Module: NumRu::GGraph

Defined in:
lib/numru/ggraph.rb,
lib/numru/ganalysis/histogram.rb,
lib/numru/ggraph_on_merdional_section.rb

Constant Summary collapse

TONE_TONF_THRES_LEN =

thresfold to swith uetonf and uetone under the auto=true option in the tone method

100
TONE_TONF_THRES_SIZE =

thresfold of length of each dimension

20000
@@nannot =

thresfold of total size

0
@@startup_options = 
Misc::KeywordOptAutoHelp.new(
  ['iws', 1, 'DCL sgpack param: Workstation ID (1:display, 2:file if DCL ver>=6)'],
  ['ifl', nil, 'DCL swpack param (for DCL ver.>=6): file format num for iws==2 (1:png,2:eps,3:svg,4:pdf); DCL\'s default is 4'],
  ['colormap', nil, 'DCL color map number (Integer); DCL\'s default is 1'],
  ['iwidth', nil, 'DCL swpack param (Integer): display width (pixcels)'],
  ['iheight', nil, 'DCL swpack param (Integer): display height (pixcels)'],
  ['lwait', true, 'DCL swpack param (true/false): wait mouse click to show next page'],
  ['lalt', false, 'DCL swpack param (false/true): true --> draw on the background'],
  ['isub', 96, 'DCL sgpack param (Integer): control character of subscription 96=>"`"; 95=>"_". Note that DCL\'s default is 95.'],
  ['lfull',false, 'DCL sgpack param (false/true)'],
  ['lmiss', true, 'DCL glpack param (true/false): whether to do missing value processing. Note that DCL\'s default is false.']
)
@@fig = 
Misc::KeywordOptAutoHelp.new(
  ['new_frame',true,      'whether to define a new frame by DCL.grfrm (otherwise, DCL.grfig is called)'],
  ['no_new_fig',false,      'If true, neither DCL.grfrm nor DCL.grfig is called (overrides new_frame) -- Then, you need to call one of them in advance. Convenient to set DCL parameters that are reset by grfrm or grfig.'],
  ['itr',     1,     'coordinate transformation number'],
  ['viewport',[0.2,0.8,0.2,0.8], '[vxmin, vxmax, vymin, vymax]'],
  ['eqdistvpt',false, 'modify viewport to equidistant for x and y (only for itr=1--4)'],
  ['window',  nil, '(for itr<10,>50) [uxmin, uxmax, uymin, uymax]. each element allowd nil (only for itr<5,>50)'],
  ['xreverse','positive:down,units:hPa', '(for itr<10,>50) Assign max value to UXMIN and min value to UXMAX if condition is satisfied (nil:never, true:always, String: when an attibute has the value specified ("key:value,key:value,..")'],
  ['yreverse','positive:down,units:hPa', '(for itr<10,>50) Assign max value to UYMIN and min value to UYMAX if condition is satisfied (nil:never, true:always, String: when an attibute has the value specified ("key:value,key:value,..")'],
  ['round0',     false,     'expand window range to good numbers (effective only to internal window settings)'],
  ['round1',     false,     'expand window range to good numbers (effective even when "window" is explicitly specified)'],
  # for 5<=itr<=7 (Rectangular Curvilinear Coordinates)
  ['similar', nil, '3-element float array for similar transformation in a rectangular curvilinear coordinate, which is fed in DCL:grssim:[simfac,vxoff,vyoff],  where simfac and [vxoff,vyoff] represent scaling factor and origin shift, respectively.'],
  # for 10<=itr<=50 (map projection):
  ['map_axis', nil, '(for all map projections) 3-element float array to be fed in DCL::umscnt: [uxc, uxy, rot], where [uxc, uyc] represents the tangential point (or the pole at top side for cylindrical projections), and rot represents the rotation angle. If nil, internally determined. (units: degrees)'],
  ['map_radius', nil, '(for itr>=20: conical/azimuhal map projections) raidus around the tangential point. (units: degrees)'],
  ['map_fit',nil,'(Only for itr=10(cylindrical) and 11 (Mercator)) true: fit the plot to the data window (overrides map_window and map_axis); false: do not fit (then map_window and map_axis are used); nil: true if itr==10, false if itr==11'],
  ['map_rsat',nil,'(Only for itr=30) satellite distance from the earth\'s center (Parameter "RSAT" for sgpack)'],
  ['map_window', [-180,180,-75,75], '(for itr<20: cylindrical map projections) lon-lat window [lon_min, lon_max, lat_min, lat_max ] to draw the map (units: degrees)'],
  ['keep_axis_offset', false, 'keep offset of titles/labels from each axis (ROFFzs in UZPACK, effective only when new_frame is false)']
)
@@next_fig = 
nil
@@axes = 
Misc::KeywordOptAutoHelp.new(
  ['xside',  'tb',  'Where to draw xaxes (combination of t, b and u)'],
  ['yside',  'lr',  'Where to draw yaxes (combination of l, r and u)'],
  ['xtitle',  nil,  'Title of x axis (if nil, internally determined)'],
  ['ytitle',  nil,  'Title of y axis (if nil, internally determined)'],
  ['title',   nil,  'Title of the figure'],
  ['xunits',  nil,  'Units of x axis (if nil, internally determined)'],
  ['yunits',  nil,  'Units of y axis (if nil, internally determined)'],
  ['format_units', true, 'Format unit expressions for DCL, e.g. m.s-1 -> m s\^{-1}'],
  ['xtickint',  nil,
        'Interval of x axis tickmark (if nil, internally determined)'],
  ['ytickint',  nil,
        'Interval of y axis tickmark (if nil, internally determined)'],
  ['xlabelint',  nil,
           'Interval of x axis label (if nil, internally determined)'],
  ['ylabelint',  nil,
           'Interval of y axis label (if nil, internally determined)'],
  ['xloglabelall',  false,
           'Show lavels for all log-level tick marks (x-axes) (e.g.,1000,900,800,... inseatd of 1000,500,200,...)'],
  ['yloglabelall',  false,
           'Show lavels for all log-level tick marks (y-axes) (e.g.,1000,900,800,... inseatd of 1000,500,200,...)'],
  ['xmaplabel',  nil,
           'If "lon"("lat"), use DCLExt::lon_ax(DCLExt::lat_ax) to draw xaxes; otherwise, DCL::usxaxs is used.'],
  ['ymaplabel',  nil,
           'If "lon"("lat"), use DCLExt::lon_ax(DCLExt::lat_ax) to draw yaxes; otherwise, DCL::usyaxs is used.'],
  ['time_ax',  nil,  'Type of calendar-type time axis: nil (=> auto slection), false (do not use the time axis even if the units of the axis is a time one with since field), "h" (=> like nil, but always use the hour-resolving datetime_ax method in dclext_datetime_ax.rb), or "ymd" (=> like "h" but for y-m-d type using DCL.uc[xy]acl)']
)
@@next_axes = 
nil
@@map = 
Misc::KeywordOptAutoHelp.new(
  ['lim',          true,  'draw map lim (t or f)'],
  ['grid',         true,  'draw map grid (t or f)'],
  ['vpt_boundary', false,  'draw viewport boundaries (f, t or 1,2,3.., representing the line width)'],
  ['wwd_boundary', false,  'draw worksation window boundaries (f, t or 1,2,3.., representing the line width)'],
  ['fill',  false,  'fill the map if coast_world or coast_japan is true (t or f)'],
  ['coast_world',  false,  'draw world coast lines (t or f)'],
  ['border_world', false,  'draw nation borders (t or f)'],
  ['plate_world',  false,  'draw plate boundaries (t or f)'],
  ['state_usa',  false,    'draw state boundaries of US (t or f)'],
  ['coast_japan',  false,  'draw japanese coast lines (t or f)'],
  ['pref_japan',   false,  'draw japanese prefecture boundaries (t or f)'],
  ['dgridmj', nil, 'the interval between the major lines of latitudes and longitudes. If nil, internally determined. (units: degrees) (this is a UMPACK parameter, which is nullified when uminit or grfrm is called)'],
  ['dgridmn', nil, 'the interval between the minor lines of latitudes and longitudes. If nil, internally determined. (units: degrees) (this is a UMPACK parameter, which is nullified when uminit or grfrm is called)']
)
@@next_map = 
nil
@@data_prep_options = 
Misc::KeywordOptAutoHelp.new(
  ['exchange', false, 'whether to exchange x and y axes'],
  ['transpose', false, 'if true, exchange x and y axes'],
  ['xintv', 1, 'interval of data sampling in x'],
  ['yintv', 1, 'interval of data sampling in y'],
  ['xcoord', nil, 'Name of the coordinate variable for x-axis'],
  ['ycoord', nil, 'Name of the coordinate variable for y-axis'],
  ['slice', nil, 'An Array to be pathed to the GPhys#[] method to subset the data before plotting (order applied: slice -> cut -> mean)'],
  ['cut', nil, 'An Array or Hash to be pathed to the GPhys#cut method to subset the data before plotting (order applied: slice -> cut -> mean)'],
  ['mean', nil, 'An Array to be pathed to the GPhys#mean method to take mean of the data before plotting (order applied: slice -> cut -> mean)']
)
@@line_options = 
Misc::KeywordOptAutoHelp.new(
  ['title', nil, 'Title of the figure(if nil, internally determined)'],
  ['annotate', true, 'if false, do not put texts on the right margin even when newframe==true'],
  ['index', 1, 'line/mark index'],
  ['type', 1, 'line type'],
  ['label', nil, 'if a String is given, it is shown as the label'],
  ['max', nil, 'maximam data value'],
  ['min', nil, 'minimam data value'],
  ['legend', nil, 'legend to annotate the line type and index. nil (defalut -- do not show); a String as the legend; true to use the name of the GPhys as the legend'],
  ['legend_vx', nil, '(effective if legend) viewport x values of the lhs of the legend line (positive float); or nil for automatic settting (shown to the right of vpt); or move it to the left relatively (negtive float)'],
  ['legend_dx', nil, '(effective if legend) length of the legend line'],
  ['legend_vy', nil, '(effective if legend) viewport y value of the legend (Float; or nil for automatic settting)'],
  ['legend_size', nil, '(effective if legend) character size of the legend'],
  ['map_axes', false, '[USE IT ONLY WHEN itr=10 (cylindrical)] If true, draws axes by temprarilly switching to itr=1 and calling GGraph::axes.'],
  ['step_plot', false, 'If true, draw stair step plot (piecewise constant line plot).'],
  # ['step_extend_ends', false, 'If true, extend both ends of stair step plot.'], # NOT YET IMPLEMENTED
  ['step_position', 0, 'Data point will be at the right corner of each step if negative, center if 0, and left corner if positive.'],
  ['proc_before_ax', nil, 'Proc (with no argument) to be called just before drawing the axes.'],
  @@data_prep_options
)
@@next_line = 
nil
@@mark_options = 
Misc::KeywordOptAutoHelp.new(
      ['title', nil, 'Title of the figure(if nil, internally determined)'],
      ['annotate', true, 'if false, do not put texts on the right margin even when newframe==true'],
      ['index', 1, 'mark index'],
      ['type', 2, 'mark type'],
      ['size', 0.01, 'marks size'],
      ['max', nil, 'maximam data value'],
      ['min', nil, 'minimam data value'],
      ['legend', nil, 'legend to annotate the mark type, index, and size. nil (defalut -- do not to show); a String as the legend; true to use the name of the GPhys as the legend'],
      ['legend_vx', nil, '(effective if legend) viewport x values of the lhs of the legend line (positive float); or nil for automatic settting (shown to the right of vpt); or move it to the left relatively (negtive float)'],
      ['legend_vy', nil, '(effective if legend) viewport y value of the legend (Float; or nil for automatic settting)'],
      ['legend_size', nil, '(effective if legend) character size of the legend'],
      ['map_axes', false, '[USE IT ONLY WHEN itr=10 (cylindrical)] If true, draws axes by temprarilly switching to itr=1 and calling GGraph::axes.'],
      ['proc_before_ax', nil, 'Proc (with no argument) to be called just before drawing the axes.'],
      @@data_prep_options
)
@@next_mark = 
nil
@@linear_contour_options = 
Misc::KeywordOptAutoHelp.new(
  ['min',      nil,       'minimum contour level'],
  ['max',      nil,       'maximum contour level'],
  ['nlev',     nil,       'number of levels'],
  ['interval', nil,       'contour interval'],
  ['nozero',   nil,       'delete zero contour'],
  ['coloring', false,     'set color contours with ud_coloring'],
  ['clr_min',  nil,        '(if coloring) minimum color number for the minimum data values (nil -> uepack parameter icolor1)'],
  ['clr_max',  nil,       '(if coloring) maximum color number for the maximum data values  (nil -> uepack parameter icolor2)']
)
@@next_linear_contour_options = 
nil
@@contour_levels = 
Misc::KeywordOptAutoHelp.new(
  ['log',   nil,   'approximately log-scaled levels (by using DCLExt::quasi_log_levels)'],
  ['log_cycle',  3,   '(if log) number of levels in one-order (1 or 2 or 3)'],
  ['levels',   nil,   'contour levels (Array/NArray of Numeric)'],
  ['index',    nil,   '(if levels) line index(es) (Array/NArray of integers, Integer, or nil)'],
  ['line_type',nil,   '(if levels) line type(s) (Array/NArray of integers, Integer, or nil)'],
  ['label',    nil,   '(if levels) contour label(s) (Array/NArray of String, String, true, false, nil). nil is recommended.'],
  ['label_height',nil,'(if levels) label height(s) (Array/NArray of Numeric, Numeric, or nil). nil is recommended.']
)
@@set_contour_levels = 
false
@@next_contour = 
nil
@@contour_options = 
Misc::KeywordOptAutoHelp.new(
  ['title', nil, 'Title of the figure(if nil, internally determined)'],
  ['annotate', true, 'if false, do not put texts on the right margin even when newframe==true'],
  ['map_axes', false, '[USE IT ONLY WHEN itr=10 (cylindrical)] If true, draws axes by temprarilly switching to itr=1 and calling GGraph::axes.'],
  ['keep', false, 'Use the contour levels used previously'],
  ['proc_before_ax', nil, 'Proc (with no argument) to be called just before drawing the axes.'],
  @@linear_contour_options,
  @@contour_levels,
  @@data_prep_options
)
@@linear_tone_options = 
Misc::KeywordOptAutoHelp.new(
  ['min',      nil,       'minimum tone level'],
  ['max',      nil,       'maximum tone level'],
  ['nlev',     nil,       'number of levels'],
  ['interval', nil,       'tone-level interval'],
  ['inf_max',  nil,       'if true, set the maximum tone level to infty'],
  ['inf_min',  nil,       'if true, set the minimum tone level to infty'],
  ['lbound',   nil,       'Same as UEPACK param LBOUND, but here it is set independently, since the author thinks that its default is better off being false/nil unlike in DCL']
)
@@next_linear_tone_options = 
nil
@@tone_levels = 
Misc::KeywordOptAutoHelp.new(
  ['log',   nil,   'approximately log-scaled levels (by using DCLExt::quasi_log_levels)'],
  ['log_cycle',  3,   '(if log) number of levels in one-order (1 or 2 or 3)'],
  ['levels',   nil,   'tone levels  (Array/NArray of Numeric). Works together with patterns'],
  ['patterns', nil,   'tone patters (Array/NArray of Numeric). Works together with levels']
)
@@set_tone_levels = 
false
@@fullcolor_tone_options = 
Misc::KeywordOptAutoHelp.new(
  ['rgb', nil, '[effective when "fullcolor" is given true] (Array/NArray) Specifies the color mapping. Example: [ DCL.isgrgb(0,0,0), DCL.isgrgb(255,255,255) ] for gray scale'],
  ['place_rgb', nil, '[effective when "fullcolor" is given true] (Array/NArray having the same length as the "rgb" value) Additional information needed only when you want to make the RGB map spaced unequally. Will be normalized, so the range does not matter. Example: "rgb"=>[ DCL.isgrgb(0,0,0), DCL.isgrgb(50,50,150), DCL.isgrgb(255,255,255) ], "place_rgb"=>[0,2,3] to set the intervals 2:1 among the 3 RGB values']
)
@@next_tone = 
nil
@@tone_options = 
Misc::KeywordOptAutoHelp.new(
  ['title', nil, 'Title of the figure(if nil, internally determined)'],
  ['annotate', true, 'if false, do not put texts on the right margin even when newframe==true'],
  ['ltone', true, 'Same as uepack parameter ltone'],
  ['auto', true, 'Swith DCL.uetone and DCL.uetonf depending on the data size'],
  ['tonf', false, 'Use DCL.uetonf instead of DCL.uetone'],
  ['tonb', false, 'Use DCL.uetonb instead of DCL.uetone'],
  ['tonc', false, 'Use DCL.uetonc instead of DCL.uetone'],
  ['fullcolor', false, 'Use DCL.uipdat instead of DCL.uetone'],
  ['clr_min', nil,  'if an integer (in 10..99) is specified, used as the color number for the minimum data values. (the same can be done by setting the uepack parameter "icolor1")'],
  ['clr_max', nil,  'if an integer (in 10..99) is specified, used as the color number for the maximum data values. (the same can be done by setting the uepack parameter "icolor2")'],
  ['map_axes', false, '[USE IT ONLY WHEN itr=10 (cylindrical)] If true, draws axes by temprarilly switching to itr=1 and calling GGraph::axes.'],
  ['keep', false, 'Use the tone levels and patterns used previously'],
  ['color_bar', false, 'Add a color bar: THIS IS ONLY FOR QUICK LOOK. Use the GGraph::color_bar method explicitly for full option control'],
  ['cbunits', nil, '[nil or true or String] if non nil, shows units in color_bar using the specified string or, when true, the units of the argument'],
  ['proc_before_ax', nil, 'Proc (with no argument) to be called just before drawing the axes.'],
  ['proc_before_tone', nil, 'Proc (with no argument) to be called just before plotting tone.'],
  @@linear_tone_options,
  @@tone_levels,
  @@fullcolor_tone_options,
  @@data_prep_options
)
@@used_fullcolor_tone = 
nil
@@scatter_options =

< scatter diagram >

Misc::KeywordOptAutoHelp.new(
      ['title', "", 'Title of the figure(if nil, internally determined)'],
      ['annotate', true, 'if false, do not put texts on the right margin even when newframe==true'],
      ['index', 1, 'mark index'],
      ['type', 2, 'mark type'],
      ['size', 0.01, 'marks size'],
      ['map_axes', false, '[USE IT ONLY WHEN itr=10 (cylindrical)] If true, draws axes by temprarilly switching to itr=1 and calling GGraph::axes.'],
      ['correlation', false, 'calculate Pearson\'s correlation coefficient and show it on the bottom margin'],
      ['proc_before_ax', nil, 'Proc (with no argument) to be called just before drawing the axes.'],
      @@data_prep_options
)
@@next_scatter = 
nil
@@color_scatter_options =

< scatter diagram colored by values >

Misc::KeywordOptAutoHelp.new(
      ['title', nil, 'Title of the figure(if nil, internally determined)'],
      ['annotate', true, 'if false, do not put texts on the right margin even when newframe==true'],
      ['index', 3, 'mark index (1-9)'],
      ['type', 10, 'mark type'],
      ['size', 0.01, 'marks size'],
      ['map_axes', false, '[USE IT ONLY WHEN itr=10 (cylindrical)] If true, draws axes by temprarilly switching to itr=1 and calling GGraph::axes.'],
      ['clr_min', nil,  'if an integer (in 10..99) is specified, used as the color number for the minimum data values. (the same can be done by setting the uepack parameter "icolor1")'],
      ['clr_max', nil,  'if an integer (in 10..99) is specified, used as the color number for the maximum data values. (the same can be done by setting the uepack parameter "icolor2")'],
      ['keep', false, 'Use the tone levels and patterns used previously'],
      ['correlation', false, 'calculate Pearson\'s correlation coefficient and show it on the bottom margin'],
      @@linear_tone_options,
      @@tone_levels,
      @@data_prep_options
)
@@next_color_scatter = 
nil
@@add_mode_vectors_options = 
Misc::KeywordOptAutoHelp.new(
      ['lineindex', 1, 'line index'],
      ['linetype', 1, 'line type'],
      ['fact', 2, 'scaling factor (line length = stddev * fact for each side)'],
      ['style', 'line', 'style of displaying modes (line, arrow, ellipse)']
)
@@vxfxratio =

for flow_vect

nil
@@vyfyratio =

for flow_vect

nil
@@vfratio =

for flow_vect_anyproj

nil
@@flenmax =

for flow_vect_anyproj

nil
@@vector_options = 
Misc::KeywordOptAutoHelp.new(
  ['index', nil, 'Line index of vectors.'],
  ['title', nil, 'Title of the figure(if nil, internally determined)'],
  ['annotate', true, 'if false, do not put texts on the right margin even when newframe==true'],
  ['map_axes', false, '[USE IT ONLY WHEN itr=10 (cylindrical)] If true, draws axes by temprarilly switching to itr=1 and calling GGraph::axes.'],
  ['flow_vect', true, 'If true, use DCLExt::flow_vect to draw vectors; otherwise, DCL::ugvect is used.'],
  ['flow_vect_anyproj', nil, 'Whether to use flow_vect_anyproj. If nil, up to the current projection number (when >=2); if true, always; if false, never. (precedence if higher than the flow_vect parameter)'],
  ['keep', false, 'Use the same vector scaling as in the previous call. -- Currently, works only when "flow_vect" is true'],
  ['factor', 1.0, '(Effective only if flow_vect) scaling factor to strech/reduce the arrow lengths'],
  ['unit_vect', false, 'Show the unit vector'],
  ['uvunits', false, 'units in the unit vector (false: never, true: read from the GPhys; a String: use that'],
  ['max_unit_vect', false, '(Effective only if flow_vect && unit_vect) If true, use the maximum arrows to scale the unit vector; otherwise, normalize in V coordinate.'],
  ['ux_unit', nil, '(If Numeric) length of the x direction unit vector (precedence of this option is lower than max_unit_vect)'],
  ['uy_unit', nil, '(If Numeric) length of the y direction unit vector (precedence of this option is lower than max_unit_vect)'],
  ['len_unit', nil, '(Effective only when flow_vect_anyproj is used) If Numeric, length of the the unit vector in terms of (fx,fy); if nil (defualt), the unitvecto length is set to be the maximum one'],
  ['flow_itr5', false, 'If true, use DclExt::flow_itr5 to draw vectors on 2-dim polar coordinate. Should be set DCL.sgstrn(5)'],
  ['polar_thinning', nil, '(Effective only when flow_vect_anyproj is used) If Numeric, specifies the maximum grid isotrpy, with which thinning is made near the poles (recommended value: 0.3 ~ 1)'],
  ['distvect_map', true, '(effective only for flow_vect_anyproj when map projection) by default (true) it is assumed that the vector (fx,fy) is based on lengths (such as wind velocities in m/s and fluxes in which wind velocities are incorporated [q*u, q*v]); set it to false if the vector is based on angles (such as the time derivatives of longitude and latitude).'],
   @@data_prep_options
)
@@next_vector = 
nil
@@regression_line_options = 
Misc::KeywordOptAutoHelp.new(
  ['x_given_y', false, 'If false (default), regress y for given x. If true, x given y.'],
  ['annot_slope', nil, 'Whether to show the slope on the right margin. nil: show when itr=1,4, do not show when itr=2,3; true: show; false: not show'],
  ['annot_intercept', false, '[Meaningful only when itr=1 (linear scaling plot)] if true, show the intercept on the right margin'],
  ['annot_cor', false, 'Whether to show correlation coefficient on the right margin.'],
  ['annot_r2', false, 'Whether to show squared correlation coefficient on the right margin.'],
  ['limit', false, 'If true, regression line is shown only over the range between max and min of the independent variable. If false, regression line is written over the whole range of the independent variable'],
  ['clip', true, "If true, use DCL's clipping not to show the line outside the viewport"],
  ['index', 1, 'line index'],
  ['type', 1, 'line type']
)
@@next_regression_line = 
nil
@@histogram_options = 
Misc::KeywordOptAutoHelp.new(
            ['window', [nil,nil,nil,nil], "window bounds"],
            ['title', "histogram", "window title"],
            ['exchange', false, "exchange x and y"],
            ['fill', false, "fill bars"],
            ['fill_pattern', nil, "fill pattern"]
)

Class Method Summary collapse

Class Method Details

.__calendar_ax(axtype, xax, side, sunits, calendar, ttl, tickint = nil, labelint = nil) ⇒ Object

axtype: nil (–>auto), ‘h’ (to resolve hours), or ‘ymd’



1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
 
# File 'lib/numru/ggraph.rb', line 1629

def __calendar_ax(axtype, xax, side, sunits, calendar, ttl, \
                 tickint=nil, labelint=nil)
  window = DCL.sgqwnd
  viewport = DCL.sgqvpt
  /(.*) *since *(.*)/ =~ sunits
  if (!$1 or !$2)
    raise("Units mismatch. Requires time units that includes 'since'")
  end
  tun = Units[$1]
  dayun = Units['days']
  if xax
    t0 = window[0]
    t1 = window[1]
  else
    t0 = window[2]
    t1 = window[3]
  end
  ts = [t0,t1].min
  time = UNumeric.new(ts,sunits)
  tstr = time.to_datetime(0.1,calendar)
  #jd0 = tstr.strftime('%Y%m%d').to_i
  tlen = tun.convert( t1-t0, dayun ).abs
  axtype ||= (tlen < 5) ? 'h' : 'ymd'
  reverse = t1 < t0
  if axtype == 'h'
    dh = 0.0
  else
    tstr0 = tstr.to_date
    dh = tstr - tstr0
    if dh>1e-2  # << 1 な適当な小さな数
      dh -= 1.0
      tstr0 += 1.0
    end
    tend0 = (tstr+tlen).to_date
  end

  if xax
    unless(reverse)
      DCL.grswnd(dh, tlen+dh, window[2], window[3] )
    else
      DCL.grswnd(tlen+dh, dh, window[2], window[3] )
    end
    DCL.grstrf
    opts = {'cside'=>side}
    opts['dtick1'] = tickint if tickint
    opts['dtick2'] = labelint if labelint
    if axtype == 'h'
      DCLExt.datetime_ax(tstr, tstr+tlen, opts )
    else
      DCLExt.date_ax(tstr0, tend0, opts )
      ## DCL.ucxacl(side,jd0,tlen)  #Old: use it again if UCPACK is improved
    end
  else
    unless(reverse)
      DCL.grswnd(window[0], window[1], dh, tlen+dh)
    else
      DCL.grswnd(window[0], window[1], tlen+dh, dh)
    end
    DCL.grstrf
    opts = {'yax'=>true, 'cside'=>side}
    opts['dtick1'] = tickint if tickint
    opts['dtick2'] = labelint if labelint
    if axtype == 'h'
      DCLExt.datetime_ax(tstr, tstr+tlen, opts )
    else
      DCLExt.date_ax(tstr0, tend0, opts )
      ## DCL.ucyacl(side,jd0,tlen)  #Old: use it again if UCPACK is improved
    end
  end
  DCL.grswnd(*window)
  DCL.grstrf
end

.__good_range(x0, x1) ⇒ Object 



1571
1572
1573
1574
1575
1576
1577
1578
 
# File 'lib/numru/ggraph.rb', line 1571

def __good_range(x0,x1)
  x0 = x0.to_f
  x1 = x1.to_f
  xw = (x1-x0).abs
  e10, lx  = (Math::log10(xw)).divmod(1.0)
  ef = 5.0 * 10**(-e10)
  [(x0*ef).floor/ef,(x1*ef).ceil/ef]
end

.__round_window(window) ⇒ Object 



1580
1581
1582
1583
1584
 
# File 'lib/numru/ggraph.rb', line 1580

def __round_window(window)
  x0,x1 = __good_range(window[0],window[1])
  y0,y1 = __good_range(window[2],window[3])
  [ x0, x1, y0, y1 ]
end

.__shorten_path(str, maxlen) ⇒ Object

private methods in the module



1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
 
# File 'lib/numru/ggraph.rb', line 1130

def __shorten_path(str,maxlen)
  return str if str.length <= maxlen
  astr = str.split(/\//)
  while(str.length > maxlen)
    astr.length!=2 ? at = (astr.length)/2 : at = 0
    astr.delete_at( at )
    (a = astr.dup)[at, 0] = '...'    # insert(at,'...') if Ruby>=1.8
    str = a.join('/')
  end
  str
end

._get_axinfo(vary) ⇒ Object 



1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
 
# File 'lib/numru/ggraph.rb', line 1808

def _get_axinfo(vary)
  if vary.nil?
    hash = {
            'title'=>'',
            'units'=>''
           }
  else
    #raise "Not 1D" if vary.rank!=1
    hash = {
            'title'=>(vary.long_name || vary.name), #.gsub('_','' )
            'units'=>(vary.get_att('units') || '')             #.gsub('_',' ')
           }
  end
  hash
end

._scatter_display_corr(gpx, gpy, opts) ⇒ Object 



3125
3126
3127
3128
3129
3130
3131
 
# File 'lib/numru/ggraph.rb', line 3125

def _scatter_display_corr(gpx, gpy, opts)
  require "numru/ganalysis/covariance" 
  r, n = gpx.correlation(gpy,0)
  r = r.val if r.is_a?(GPhys)
  DCL::uxsttl("B","r=#{DCL.chval('A',r)}", 0)
  return [r, n]
end

._set_contour_levels_(opts) ⇒ Object

Raises:

  • (ArgumentError) 


2557
2558
2559
2560
2561
2562
2563
 
# File 'lib/numru/ggraph.rb', line 2557

def _set_contour_levels_(opts)
  raise ArgumentError, "'levels' must be explicitly set" if !opts['levels']
  DCLExt.ud_set_contour(opts['levels'],opts['index'],opts['line_type'],
              opts['label'],opts['label_height'])
  @@set_contour_levels=true
  nil
end

._set_tone_levels_(opts) ⇒ Object 



2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
 
# File 'lib/numru/ggraph.rb', line 2758

def _set_tone_levels_(opts)
  if !opts['levels'] && !opts['patterns']
  end
  if opts['levels']
    levels = opts['levels']
  else
    raise ArgumentError,"'levels' must be explicitly set"
  end
  if opts['patterns']
    patterns = opts['patterns']
  else
    nlev = levels.length - 1
    itpat = DCL.ueiget('itpat')
    iclr1 = DCL.ueiget('icolor1')
    iclr2 = DCL.ueiget('icolor2')
    patterns = (0...nlev).collect{|i|
      (((iclr2-iclr1)/(nlev-1.0)*i+iclr1).round) * 1000 + itpat
    }
  end
  DCLExt.ue_set_tone(levels,patterns)
  @@set_tone_levels=true
  nil
end

.add_mode_vectors(mean, modes, options = nil) ⇒ Object 



3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
 
# File 'lib/numru/ggraph.rb', line 3140

def add_mode_vectors(mean, modes, options=nil)
  opts = @@add_mode_vectors_options.interpret(options)
  unless modes.shape == [2,2] || modes.shape[2,1] || modes.shape == [2]
    raise ArgumentError, "the second arg must be a NArray of the shape [2,2], [2,1], or [2]."
  end
  unless (mean.length == 2) && (mean.is_a?(GPhys) || mean.is_a?(NArray) || mean.is_a?(Array))
    raise ArgumentError, "the 1st arg must be a GPhys, NArray, or Array with length of 2" 
  end
  mean = mean.val if mean.is_a?(GPhys)
  modes = modes.val * opts['fact']
  index = opts['lineindex']
  type = opts['linetype']
  modes = modes.newdim(-1) if modes.rank == 1
  for i in 0...(modes.shape[1])
    case opts['style']
    when "line"
      DCL::sgplzu([mean[0]-modes[0,i],mean[0]+modes[0,i]],
                  [mean[1]-modes[1,i],mean[1]+modes[1,i]],
                  type,index)
    when "arrow"
      DCL::sglazu(mean[0]-modes[0,i],mean[1]-modes[1,i],
                  mean[0]+modes[0,i],mean[1]+modes[1,i],
                  type,index)
    when "ellipse"
      raise "Drawing an ellipse needs two modes" unless modes.shape[1]==2
      arg = NArray.int(361).indgen!.to_f / 180.0 * NMath::PI
      s = NMath.sin(arg)
      c = NMath.cos(arg)
      x = mean[0] + modes[0,0] * c + modes[0,1] * s
      y = mean[1] + modes[1,0] * c + modes[1,1] * s
      DCL::sgplzu(x,y,type,index)
    else
      raise "invalid value for the option 'style' in add_mode_vectors: #{kind}"
    end
  end
end

.annotate(str_ary, noff = nil) ⇒ Object 



1237
1238
1239
1240
1241
1242
1243
1244
 
# File 'lib/numru/ggraph.rb', line 1237

def annotate(str_ary, noff=nil)
  charsize = 0.7 * DCL.uzpget('rsizec1')
  vxmin,vxmax,vymin,vymax = DCL.sgqvpt
  vx = vxmax + 0.01
  vy = vymax - charsize/2
  nannot = annotate_at(str_ary,vx,vy,charsize,-1.0,-1.5,noff)
  @@nannot = nannot
end

.annotate_at(str_ary, vx, vy, charsize = nil, align = -1.0,, dvyfact = -1.5,, noff = nil) ⇒ Object

Raises:

  • (TypeError) 


1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
 
# File 'lib/numru/ggraph.rb', line 1246

def annotate_at(str_ary,vx,vy,charsize=nil, align=-1.0, dvyfact=-1.5, noff=nil)
  raise TypeError,"Array expected" if ! str_ary.is_a?(Array)
  charsize = 0.7 * DCL.uzpget('rsizec1') unless(charsize)
  dvy = charsize*dvyfact
  vy += noff*dvy if noff
  str_ary.each{|str|
    DCL::sgtxzr(vx,vy,str,charsize,0,align,1)
    vy += dvy
  }
  nannot = str_ary.length
  nannot += noff if noff
  nannot
end

.axes(xax = nil, yax = nil, options = nil) ⇒ Object 



1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
 
# File 'lib/numru/ggraph.rb', line 1703

def axes(xax=nil, yax=nil, options=nil)
  if @@next_axes
    options = ( options ? @@next_axes.update(options) : @@next_axes )
    @@next_axes = nil
  end
  opts = @@axes.interpret(options)
  if itr51 = (DCL.sgqtrn == 51)
	wnd = DCL::sgqwnd
	DCL::sgswnd( *(cwd = DCL::sgqcwd) )
	DCL::sgstrn(1)
	DCL::sgstrf
  end
  if opts['xside'].length > 0
	xai = _get_axinfo(xax)
    if opts['xmaplabel'] == "lon"
      opts['xside'].split('').each{|s|     # scan('.') also works
        DCLExt.lon_ax('cside'=>s, 'dtick1'=>opts['xtickint'], 'dtick2'=>opts['xlabelint'])
      }
      DCL.uxsttl('b', (opts['xtitle'] || xai['title']), 0.0)
    elsif opts['xmaplabel'] == "lat"
      opts['xside'].split('').each{|s|     # scan('.') also works
        DCLExt.lat_ax('xax'=>true, 'cside'=>s, 'dtick1'=>opts['xtickint'], 'dtick2'=>opts['xlabelint'])
      }
      DCL.uxsttl('b', (opts['xtitle'] || xai['title']), 0.0)
    else
      sunits = opts['xunits'] || xai['units']
      units = Units[sunits]
      if opts['time_ax'] != false && \
         /since/ =~ sunits && units =~ Units['days since 0001-01-01'] && \
         ( calendar = ( xax.get_att('calendar') || nil ) ; \
           UNumeric::supported_calendar?(calendar) )
        opts['xside'].split('').each do |s|   # scan('.') also works
          ttl = opts['xtitle'] || xai['title']
          __calendar_ax(opts['time_ax'], true, s, sunits, calendar, ttl,
            	   opts['xtickint'], opts['xlabelint'])
        end
      else
        sunits = DCLExt.format_units(sunits) if opts['format_units']
        DCL.uscset('cxttl', (opts['xtitle'] || xai['title']) )
        DCL.uscset('cxunit', sunits)
        DCL.uspset('dxt', opts['xtickint'])  if(opts['xtickint'])
        DCL.uspset('dxl', opts['xlabelint']) if(opts['xlabelint'])
        if(opts['xloglabelall'])
          DCL.uspset('nlblx', 4)
          DCL.ulsxbl([1,2,3,4,5,6,7,8,9])
        end
        opts['xside'].split('').each{|s|     # scan('.') also works
          DCL.usxaxs(s)
        }
      end
    end
  end
  if opts['yside'].length > 0
    yai = _get_axinfo(yax)
    if opts['ymaplabel'] == "lon"
      opts['yside'].split('').each{|s|   # scan('.') also works
        DCLExt.lon_ax('yax'=>true, 'cside'=>s, 'dtick1'=>opts['ytickint'], 'dtick2'=>opts['ylabelint'])
      }
      DCL.uysttl('l', (opts['ytitle'] || yai['title']), 0.0)
    elsif opts['ymaplabel'] == "lat"
      opts['yside'].split('').each{|s|   # scan('.') also works
        DCLExt.lat_ax('cside'=>s, 'dtick1'=>opts['ytickint'], 'dtick2'=>opts['ylabelint'])
      }
      DCL.uysttl('l', (opts['ytitle'] || yai['title']), 0.0)
    else
      sunits=(opts['yunits'] || yai['units'])
      units = Units[sunits]
      if opts['time_ax'] != false && \
         /since/ =~ sunits && units =~ Units['days since 0001-01-01'] && \
         ( calendar = ( yax.get_att('calendar') || nil ) ; \
           UNumeric::supported_calendar?(calendar) )
        opts['yside'].split('').each do |s|   # scan('.') also works
          ttl = opts['ytitle'] || yai['title']
          __calendar_ax(opts['time_ax'], false, s, sunits, calendar, ttl,
            	   opts['ytickint'], opts['ylabelint'])
        end
      else
        sunits = DCLExt.format_units(sunits) if opts['format_units']
        DCL.uscset('cyttl', (opts['ytitle'] || yai['title']) )
        DCL.uscset('cyunit', sunits )
        DCL.uspset('dyt', opts['ytickint'])  if(opts['ytickint'])
        DCL.uspset('dyl', opts['ylabelint']) if(opts['ylabelint'])
        if(opts['yloglabelall'])
          DCL.uspset('nlbly', 4)
          DCL.ulsybl([1,2,3,4,5,6,7,8,9])
        end
        opts['yside'].split('').each{|s|   # scan('.') also works
          DCL.usyaxs(s)
          if s=='l' && sunits && sunits != ''
            DCL.uzpset('roffxt', DCL.uzpget('rsizec1')*1.5 )
          end
        }
      end
    end
	title(opts['title']) if opts['title']
  end
  if itr51
	DCL::sgstrn(51)
	DCL::sgswnd( *wnd )
	DCL::sgscwd( *cwd )
	DCL::sgstrf
  end
  nil
end

.axes_or_map_and_ttl(gp, opts, xax, yax, gp2 = nil) ⇒ Object 



2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
 
# File 'lib/numru/ggraph.rb', line 2609

def axes_or_map_and_ttl(gp, opts, xax, yax, gp2=nil)
  if !gp2
    ttl = opts['title'] || name_selector(gp, 30)
  else
    ttl = opts['title'] || '(' << name_selector(gp, 15) << ',' << name_selector(gp2, 15) << ')'
  end
  if map_trn?
    map
    if opts['map_axes'] && itr_is?(10)
      vpt = DCL.sgqvpt
      wnd = DCL.sgqwnd
      if wnd.include?(DCL.glrget('rundef'))
        map_fit = false
        wnd = DCL.sgqtxy
        cnt = DCL.umqcnt
      else
        map_fit = true
      end
      vrat = ( (vpt[3]-vpt[2]) / (vpt[1]-vpt[0]) ).abs
      wrat = ( (wnd[3]-wnd[2]) / (wnd[1]-wnd[0]) ).abs
      if wrat < vrat
        vyoff = (vpt[3]+vpt[2])/2
        dvy2 =  (vpt[1]-vpt[0])*wrat/2
        vpt[2] = vyoff - dvy2
        vpt[3] = vyoff + dvy2
      else
        vxoff = (vpt[1]+vpt[0])/2
        dvx2 =  (vpt[3]-vpt[2])/wrat/2
        vpt[0] = vxoff - dvx2
        vpt[1] = vxoff + dvx2
      end
      trn = DCL.sgqtrn
      if map_fit
        fig(xax,yax, {'itr'=>1, 'new_frame'=>false, 'viewport'=>vpt, 'keep_axis_offset'=>true})
        axes(xax, yax, 'title'=>ttl)
        fig(xax,yax,{'itr'=>trn, 'new_frame'=>false, 'viewport'=>vpt, 'map_fit'=>true, 'keep_axis_offset'=>true})
      else
        xax_map = xax[0..1].copy
        xax_map[0] = cnt[0] + wnd[0]
        xax_map[1] = cnt[0] + wnd[1]
        yax_map = yax[0..1].copy
        yax_map[0] = wnd[2]
        yax_map[1] = wnd[3]
        fig(xax_map,yax_map,{'itr'=>1, 'new_frame'=>false, 'viewport'=>vpt, 'keep_axis_offset'=>true})
        axes(xax_map, yax_map, 'title'=>ttl)
        fig(xax_map,yax_map,{'itr'=>trn, 'new_frame'=>false, 'viewport'=>vpt, 'map_fit'=>false, 'map_axis'=>cnt, 'map_window'=>wnd, 'keep_axis_offset'=>true})
      end
    else
      title( ttl )
    end
  elsif itr_is?(5)
    polar_coordinate_boundaries(xax,yax)
    title( ttl )
  else
    axes(xax, yax, 'title'=>ttl)
  end
  annotate(gp.lost_axes) if opts['annotate']
end

.clear_contour_levels ⇒ Object 



2565
2566
2567
2568
2569
 
# File 'lib/numru/ggraph.rb', line 2565

def clear_contour_levels
  @@set_contour_levels=false
  DCL.udiclv   # this may not be needed
  nil
end

.clear_tone_levels ⇒ Object 



2781
2782
2783
2784
 
# File 'lib/numru/ggraph.rb', line 2781

def clear_tone_levels
  @@set_tone_levels=false
  nil
end

.close ⇒ Object 



1175
1176
1177
 
# File 'lib/numru/ggraph.rb', line 1175

def close
  DCL.grcls
end

.color_bar(*args) ⇒ Object 



1214
1215
1216
1217
1218
1219
1220
 
# File 'lib/numru/ggraph.rb', line 1214

def color_bar(*args)
  if @@used_fullcolor_tone
    DCLExt.ui_color_bar_1(*args)
  else
    DCLExt.color_bar(*args)
  end
end

.color_scatter(fx, fy, fz, newframe = true, options = nil) ⇒ Object 



3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
 
# File 'lib/numru/ggraph.rb', line 3038

def color_scatter(fx, fy, fz, newframe=true, options=nil)
  gropn_1_if_not_yet
  if newframe!=true && newframe!=false
    raise ArgumentError, "4th arg (newframe) must be true or false"
  end
  if @@next_color_scatter
    options = ( options ? @@next_color_scatter.update(options) : @@next_color_scatter )
    @@next_color_scatter = nil
  end
  opts = @@color_scatter_options.interpret(options)
  # interpret cut, slice, etc
  gpx, closerx = data_prep_multidim(fx, opts)
  gpy, closery = data_prep_multidim(fy, opts)
  gpz, closerz = data_prep_multidim(fz, opts)
  # flatten gphys data -----
  fakeaxis = Axis.new.set_pos(VArray.new(NArray.int(gpx.length).indgen!,
                                         {"long_name"=>"fake",
                                           "units"=>""},
                                         "fake"))
  fakegrid = Grid.new(fakeaxis)
  gpx, gpy, gpz = [gpx, gpy, gpz].collect{|gp|
    na = gp.val.reshape!(gp.length)
    attr = gp.data.attr_copy
    newgp = GPhys.new(fakegrid,VArray.new(na,attr,gp.name))
    newgp.set_lost_axes(gp.lost_axes)
    newgp
  }
  # ------------------------
  xax = gpx.data
  yax = gpy.data
  if newframe
    fig(xax, yax)
    axes_or_map_and_ttl(gpz, opts, xax, yax)
  end

  zval = gpz.data.val

  # < levels setting --- taken from tone >

  if opts['clr_min']
    icolor1_bak = DCL.uepget('icolor1')
    DCL.uepset('icolor1', opts['clr_min'])
  end
  if opts['clr_max']
    icolor2_bak = DCL.uepget('icolor2')
    DCL.uepset('icolor2', opts['clr_max'])
  end

  rmiss = DCL.glrget('rmiss')

  if !opts['keep'] or DCL.ueqntl==0
    if !opts['levels'] && opts['log']
      levels, = DCLExt.quasi_log_levels_z(zval, opts['nlev'],
                              opts['max'], opts['min'], opts['log_cycle'])
      levels.unshift(rmiss) if !opts['max'] && levels[0]<0
      levels.push(rmiss)    if !opts['max'] && levels[-1]>0
      opts['levels'] = levels
    end
    if opts['levels']
      backup = @@set_tone_levels
      _set_tone_levels_(opts)
      @@set_tone_levels = backup
    elsif opts['patterns']
      # Here only the colors are used from patterns
      raise "option 'patterns' is not effective unless 'levels' is specified"
    elsif !@@set_tone_levels
      DCL.ueitlv
      DCLExt.ue_set_linear_levs(zval, opts)
    else
      DCL.ueitlv if !@@set_tone_levels
    end
  end
  DCL::uemrkz(xax.val, yax.val, zval, opts['type'], opts['index'], opts['size'])
  if opts['correlation']
    return _scatter_display_corr(gpx, gpy, opts) 
  else
    return nil
  end
  #< finish >
ensure
  DCL.uepset('icolor1', icolor1_bak) if opts['clr_min']
  DCL.uepset('icolor2', icolor2_bak) if opts['clr_max']
  closerx.call if closerx
  closery.call if closery
  closerz.call if closerz
end

.contour(gphys, newframe = true, options = nil) ⇒ Object 



2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
 
# File 'lib/numru/ggraph.rb', line 2668

def contour(gphys, newframe=true, options=nil)
  gropn_1_if_not_yet
  if newframe!=true && newframe!=false
    raise ArgumentError, "2nd arg (newframe) must be true or false"
  end
  if @@next_contour
    options = ( options ? @@next_contour.update(options) : @@next_contour )
    @@next_contour = nil
  end
  if @@next_linear_contour_options
    options = ( options ? @@next_linear_contour_options.update(options) :
                          @@next_linear_contour_options )
    @@next_linear_contour_options = nil
  end
  opts = @@contour_options.interpret(options)

  xax, yax, closer, gp = data_prep_2D([gphys], newframe, opts)
  if newframe
    fig(xax, yax)
    if opts['proc_before_ax']
      opts['proc_before_ax'].call
    end
    axes_or_map_and_ttl(gp,opts, xax, yax)
  end
  if !opts['keep'] or DCL.udqcln==0
    if !opts['levels'] && opts['log']
      levels, mjmn = DCLExt.quasi_log_levels_z(gp.data.val, opts['nlev'],
                              opts['max'], opts['min'], opts['log_cycle'])
      opts['levels'] = levels
      opts['index'] = NArray.to_na(mjmn)*2 + 1 if !opts['index']
      opts['label'] = true if opts['label'].nil?
    end
    if (opts['levels'])
      backup = @@set_contour_levels
      _set_contour_levels_(opts)
      @@set_contour_levels = backup
    elsif !@@set_contour_levels
      DCLExt.ud_set_linear_levs(gp.data.val, opts)
    end
  end
  saved_udparams = nil
  if DCL.udqcln >= 3
    lv1, = DCL.udqclv(1)
    lv2, = DCL.udqclv(2)
    lv3, = DCL.udqclv(3)
    if lv2-lv1 != lv3-lv2
      saved_udparams = DCLExt.ud_set_params({'lmsg'=>false})
    end
  end
  DCL.uwsgxa(xax.val) if xax.rank==1
  DCL.uwsgya(yax.val) if yax.rank==1
  DCL.udcntz(gp.data.val)
  DCLExt.ud_set_params(saved_udparams) if saved_udparams
  closer.call if closer
  nil
end

.current_itr(fig_yet_to_be_called = false) ⇒ Object 



1309
1310
1311
1312
1313
1314
1315
1316
 
# File 'lib/numru/ggraph.rb', line 1309

def current_itr( fig_yet_to_be_called=false )
  if fig_yet_to_be_called
    current_itr = ( @@next_fig && @@next_fig['itr'] ) || @@fig['itr']
  else
    current_itr = DCL.sgqtrn
  end
  current_itr
end

.data_prep_1D(gphys, opts, len1ok: false) ⇒ Object 



2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
 
# File 'lib/numru/ggraph.rb', line 2006

def data_prep_1D(gphys, opts, len1ok: false)
  gp = gphys
  if gp.is_a?(String)
    gp = GPhys::IO.str2gphys(gp) 
    closer = Proc.new{gp.close}
  else
    closer = nil
  end
  gp = gp[*opts['slice']] if opts['slice']
  if (cut = opts['cut'])  # substitution, not ==
    if cut.is_a?(Array) 
      gp = gp.cut(*cut) 
    else
      gp = gp.cut(cut) 
    end
  end
  gp = gp.mean(*opts['mean']) if opts['mean']
  if len1ok
    gp = gp.first1D
  else
    gp = gp.first1Dreally
  end
  window = ( @@next_fig['window'] if @@next_fig ) || @@fig['window']
  window = ( window ? window.dup : [nil, nil, nil, nil])
  max = opts['max']; min = opts['min']
  if !opts['exchange']
    xd = gp.coord(0)
    yd = gp.data
    window[2] = min if min
    window[3] = max if max
  else
    yd = gp.coord(0)
    xd = gp.data
    window[0] = min if min
    window[1] = max if max
  end
  [xd, yd, closer, gp, window]
end

.data_prep_1D2(fx, fy, opts, len1ok: false) ⇒ Object 



2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
 
# File 'lib/numru/ggraph.rb', line 2045

def data_prep_1D2(fx, fy, opts, len1ok: false)
  gpx = fx
  gpy = fy
  to_close = Array.new
  if gpx.is_a?(String)
    gpx = GPhys::IO.str2gphys(gpx) 
    to_close.push(gpx)
  end
  if gpy.is_a?(String)
    gpy = GPhys::IO.str2gphys(gpy) 
    to_close.push(gpy)
  end
  if to_close.length > 0
    closer = Proc.new{to_close.each{|gp| gp.close}}
  else
    closer = nil
  end

  gpx = gpx[*opts['slice']] if opts['slice']
  if (cut = opts['cut'])  # substitution, not ==
    if cut.is_a?(Array) 
      gpx = gpx.cut(*cut) 
    else
      gpx = gpx.cut(cut) 
    end
  end
  gpx = gpx.mean(*opts['mean']) if opts['mean']
  if len1ok
    gpx = gpx.first1D
  else
    gpx = gpx.first1Dreally
  end

  gpy = gpy[*opts['slice']] if opts['slice']
  if (cut = opts['cut'])  # substitution, not ==
    if cut.is_a?(Array) 
      gpy = gpy.cut(*cut) 
    else
      gpy = gpy.cut(cut)
    end
  end
  gpy = gpy.mean(*opts['mean']) if opts['mean']
  if len1ok
    gpy = gpy.first1D
  else
    gpy = gpy.first1Dreally
  end

  [gpx, gpy, closer]
end

.data_prep_2D(gps, newframe, opts, len1ok: false) ⇒ Object 



1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
 
# File 'lib/numru/ggraph.rb', line 1926

def data_prep_2D(gps, newframe, opts, len1ok: false)
  opend_here = []
  gps.collect!{|gp| 
    if gp.is_a?(String)
      gp = GPhys::IO.str2gphys(gp)
      opend_here.push(gp) 
    end
    gp = gp[*opts['slice']] if opts['slice']
    if (cut = opts['cut'])  # substitution, not ==
      if cut.is_a?(Array) 
        gp = gp.cut(*cut) 
      else
        gp = gp.cut(cut) 
      end
    end
    gp = gp.mean(*opts['mean']) if opts['mean']
    if len1ok
      gp = gp.first2D
    else
      gp = gp.first2Dreally
    end
    gp = gp.transpose(1,0) if opts['transpose'] || opts['exchange']
    if opts['xintv'] || opts['yintv']
      gp = gp.copy
      sh = gp.shape
      if opts['xintv'] && ((xi=opts['xintv']) >= 2)
        idx = NArray.int((sh[0]/xi.to_f).ceil).indgen!*xi  # 0,xi,2*xi,..
        gp = gp[idx, true]
      end
      if opts['yintv'] && ((yi=opts['yintv']) >= 2)
        idx = NArray.int((sh[1]/yi.to_f).ceil).indgen!*yi  # 0,yi,2*yi,..
        gp = gp[true, idx]
      end
    end
    gp
  }
  if opend_here.length > 0
    closer = Proc.new{opend_here.each{|gp| gp.data.file.close}}
  else
    closer = nil
  end
  xd = gps[0].coord(0)
  yd = gps[0].coord(1)
  if xc=opts['xcoord']
    xa = gps[0].coord(xc)
    if xa.rank == 1 && xa.length != xd.length
	  raise("Len of #{xc} do not agree with the #{xd.name} dim")
	elsif xa.rank == 2 && xa.shape != gps[0].shape
	  raise("Invalid 2D coord shape. #{xc} : #{xa.shape.inspect}" +
		" vs #{gps[0].shape.inspect}")
    end
	xd = xa
  end
  if yc=opts['ycoord']
    ya = gps[0].coord(yc)
    if ya.rank == 1 && ya.length != yd.length
	  raise("Len of #{yc} do not agree with the #{yd.name} dim")
	elsif ya.rank == 2 && ya.shape != gps[0].shape
	  raise("Invalid 2D coord shape. #{yc} : #{ya.shape.inspect}" +
		" vs #{gps[0].shape.inspect}")
    end
	yd = ya
  end
  if map_trn?(newframe)
    # // convert to the anti-clockwise coordinate in case for map filling
    #    (Because of a bug in UMFMAP in DCL 5.3)  -->
    if ( (xd[-1].val-xd[0].val)*(yd[-1].val-yd[0].val) < 0 )
      gps.collect!{|gp| gp.copy[true,-1..0]}
      yd = gps[0].coord(1)
    end
    # <-- ///
    gps.collect!{|gp| gp.cyclic_ext(0)} #cyclic extentn along lon
    xd = gps[0].coord(0)
  elsif itr_is?(5, newframe)
    gps.collect!{|gp| gp.cyclic_ext_with_modulo(1, 360.0)} #cyclic ext along azimuth
    yd = gps[0].coord(1)
  end
  [xd, yd, closer, *gps]
end

.data_prep_multidim(gphys, opts) ⇒ Object 



2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
 
# File 'lib/numru/ggraph.rb', line 2096

def data_prep_multidim(gphys, opts)
  gp = gphys
  if gp.is_a?(String)
    gp = GPhys::IO.str2gphys(gp) 
    closer = Proc.new{gp.close}
  else
    closer = nil
  end
  gp = gp[*opts['slice']] if opts['slice']
  if (cut = opts['cut'])  # substitution, not ==
    if cut.is_a?(Array) 
      gp = gp.cut(*cut) 
    else
      gp = gp.cut(cut) 
    end
  end
  gp = gp.mean(*opts['mean']) if opts['mean']
  [gp, closer]
end

.fig(xax = nil, yax = nil, options = nil) ⇒ Object 



1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
 
# File 'lib/numru/ggraph.rb', line 1322

def fig(xax=nil, yax=nil, options=nil)

  # xax and yax are needed (i.e. Axis objects) if not map projection

  if @@next_fig
    options = ( options ? @@next_fig.update(options) : @@next_fig )
    @@next_fig = nil
  end
  opts = @@fig.interpret(options)

  if opts['no_new_fig']
    # do nothing
  elsif opts['new_frame']
    DCL.grfrm
  else
    if opts['keep_axis_offset'] # SAVE OFFSET VALUES
      offset_org = (%w(XT XB YL YR)).map{|zs| DCL::uzpget("ROFF#{zs}")}
    end
    DCL.grfig
  end
  raise "viewport's length must be 4" if opts['viewport'].length != 4
  DCL.grsvpt(*opts['viewport'])
  @@nannot = 0

  if opts['window']
    if !opts['window'].is_a?(Array) || opts['window'].length!=4
      raise "Option 'window' must be an Array of length==4"
    end
  end

  itr = opts['itr']
  DCL.grstrn(itr)

  map_fit = ( (itr==10 and opts['map_fit']!=false) or
              (itr==11 and opts['map_fit']==true)  )
  DCL.sgpset("RSAT",opts['map_rsat']) if (opts['map_rsat'])

  if ( (1<=itr and itr<=4) or (51<=itr and itr<=99) or map_fit )
    window = opts['window']
    window = ( window ? window.dup : [nil, nil, nil, nil])
    if window.include?(nil)
      raise(ArgumentError, "xax and yax must be provided") if !xax or !yax
      if (xreverse=opts['xreverse']).is_a?(String)
        atts = opts['xreverse'].split(',').collect{|v| v.split(':')}
        xreverse = false
        atts.each{|key,val|
          xreverse = ( key.downcase=="units" ? (Units.new(xax.get_att(key)) =~ Units.new(val)) : (xax.get_att(key) == val) )
          break if xreverse
        }
      end
      if (yreverse=opts['yreverse']).is_a?(String)
        atts = opts['yreverse'].split(',').collect{|v| v.split(':')}
        yreverse = false
        atts.each{|key,val|
          yreverse = ( key.downcase=="units" ? (Units.new(yax.get_att(key)) =~ Units.new(val)) : (yax.get_att(key) == val) )
          break if yreverse
        }
      end
      if xreverse
        xrange = [ xax.max.to_f, xax.min.to_f ]
      else
        xrange = [ xax.min.to_f, xax.max.to_f ]
      end
      if yreverse
        yrange = [ yax.max.to_f, yax.min.to_f ]
      else
        yrange = [ yax.min.to_f, yax.max.to_f ]
      end
      [ xrange, yrange ].each do |range|
        r0 = range[0]
        r1 = range[1]
        if r0 == r1
          if r0.nil?
            raise("Cannot set a window. Maybe plotting all-missing data?")
          end
          # if the max and min of the range is the same, shift them a bit
          range[0] = DCL.rgnlt(r0)
          range[1] = DCL.rgngt(r0)
          if range[0] == range[1] # if min and max are still the same
            range[0] -= 1
            range[1] += 1
          end
        end
      end
      default_window=[xrange[0], xrange[1], yrange[0], yrange[1]]
      default_window = __round_window(default_window) if opts['round0']
      if (if [].respond_to?("nitems")  
            window.nitems == 0
          else
            window.none?
          end) # if all elements is nil
        window = default_window
      else
        window.each_index do |i|
          window[i] = default_window[i] if window[i] == nil
        end
      end
      window = __round_window(window) if opts['round1']
    end
  end

  case itr
  when 1..4,51..99
    # all but for map projections and curvilinear coordinates
	if xax.rank==2 || yax.rank==2
	  if xax.rank==2
 nx,ny = xax.shape
	  else
 nx,ny = yax.shape
	  end
	  if x2d = (xax.rank==2)
 ux = NArray.sfloat(nx).indgen!
 cx = xax.val
	  else
 ux = xax.val
 cx = NArray.sfloat(nx,ny)
 cx[0,0] = DCL::glrget('rundef')
	  end
	  if y2d = (yax.rank==2)
 uy = NArray.sfloat(ny).indgen!
 cy = yax.val
	  else
 uy = yax.val
 cy = NArray.sfloat(nx,ny)
 cy[0,0] = DCL::glrget('rundef')
	  end
	  DCL::grswnd(0.0,ux.max,0.0,uy.max)
	  DCL::grscwd(*window)
	  DCL::g2sctr(ux,uy,cx,cy)
	  DCL::grstrn(51)
	  DCL.uwsgxa(ux)
	  DCL.uwsgya(uy)
	else
	  DCL.grswnd(*window)
	end
    if itr <= 4 and opts['eqdistvpt']
      # modify viewport to equidistant
      vx1,vx2,vy1,vy2 = opts['viewport']
      wx1,wx2,wy1,wy2 = window
      vxw = (vx2-vx1).abs
      vyw = (vy2-vy1).abs
      wxw = (wx2-wx1).abs
      wyw = (wy2-wy1).abs
      if ( [vxw,vyw,wxw,wyw].min > 0 )
        rx = wxw / vxw
        ry = wyw / vyw
        if rx > ry
          rc = ry/rx
          vym = (vy1+vy2)/2.0
          vy1 = vym - rc*vyw/2.0
          vy2 = vym + rc*vyw/2.0
        elsif rx < ry
          rc = rx/ry
          vxm = (vx1+vx2)/2.0
          vx1 = vxm - rc*vxw/2.0
          vx2 = vxm + rc*vxw/2.0
        end
        DCL.grsvpt(vx1,vx2,vy1,vy2)
      end
    end
  when 5,6
      if opts['similar']
        similar=opts['similar']
        DCL.grssim(*similar)
      elsif opts['window']
        if defined?(DCL::DCLVERSION) && DCL::DCLVERSION >= '5.3'
          DCL.sgscwd(*opts['window'])
        else
          raise "You need DCL 5.3 or later to use the 'window' parameter in this transform (#{itr}). Use 'similar' instead."
        end
      else
        case itr
        when 5
          vxmin,vxmax,vymin,vymax=DCL.sgqvpt
          raise(ArgumentError, "xax must be provided") if !xax
          simfac = (vymax-vymin)/(xax.max*2)    # only xax is used
          similar = [simfac,0.0,0.0]
          DCL.grssim(*similar)
        else
          raise NotImplementedError, "Sorry, automatic window setting is yet to be available for the transform #{itr}. Please specify the 'similar' or 'window' parameter"
        end
      end

  when 10..19
    sv = DCL.umpget('lglobe')
    if !map_fit
      map_axis = opts['map_axis'] || [180.0, 0.0, 0.0]
      DCL::umscnt( *map_axis )
      map_window = opts['map_window']
      raise "map_window's length must be 4" if map_window.length != 4
      map_lat_range = [ map_window[2], map_window[3] ]
      if map_lat_range.is_a?(Range)
        map_lat_range = [map_lat_range.first, map_lat_range.end]
      end
      case ( map_axis[2] - map_axis[1] ) % 360
      when 0
        tyrange = map_lat_range
      when 180
        tyrange = [ -map_lat_range[1], -map_lat_range[0] ]
      else
        tyrange = [ -75, 75 ]      # latange is ignored
      end
      DCL::grstxy(map_window[0], map_window[1], tyrange[0], tyrange[1])
      # 'lglobe' becomes true when itr >= 12 or data coverage is almost global for Mercator
      DCL.umpset('lglobe', (itr >= 12) || ((itr == 11) && (tyrange[0].abs >= 75) && (tyrange[1].abs >= 75) && (tyrange[0] * tyrange[1] < 0)))
    else
      lon_cent =( window[0] + window[1] ) / 2.0
      dlon2 = ( window[1] - window[0] ) / 2.0
      map_axis = [ lon_cent, 0.0, 0.0 ]
      DCL::sgswnd(*window)
      DCL::umscnt( *map_axis )
      DCL::grstxy( -dlon2, dlon2, window[2], window[3] )
      # 'lglobe' becomes true when data coverage is almost global for Mercator
      DCL.umpset('lglobe', (itr == 11) && (window[2].abs >= 75) && (window[3].abs >= 75) && (window[2] * window[3] < 0))
    end
    DCL::umpfit
  when 20..34
    map_axis = opts['map_axis'] || [180.0, 90.0, 0.0]
    map_radius = opts['map_radius'] || 70.0
    DCL::umscnt( *map_axis )
    case itr
    when 31
      v = opts['viewport']
      vptsize = [ v[1]-v[0], v[3]-v[2] ].min
      DCL::grssim( vptsize*0.25/Math::tan(0.5*Math::PI*map_radius/180.0), 0.0, 0.0 )
    when 22
      v = opts['viewport']
      vptsize = [ v[1]-v[0], v[3]-v[2] ].min
      DCL::grssim( vptsize*0.35*(90.0/map_radius), 0.0, 0.0 )
      DCL::grstxy(-180.0, 180.0, 90.0-map_radius, 90.0)
    else
      DCL::grstxy(-180.0, 180.0, 90.0-map_radius, 90.0)
    end
    sv = DCL.umpget('lglobe')
    DCL.umpset('lglobe', true)
    DCL::umpfit
    DCL.umpset('lglobe', sv)
  else
    raise "unsupported transformation number: #{itr}"
  end

  DCL.grstrf
  DCL.umpset('lglobe', sv)
  if (!opts['new_frame']) && opts['keep_axis_offset'] # RESTORE OFFSET VALUES
    (%w(XT XB YL YR)).each_with_index{|zs, izs| DCL::uzpset("ROFF#{zs}", offset_org[izs])}
  end
  nil
end

.gropn_1_if_not_yet ⇒ Object 



1179
1180
1181
1182
1183
 
# File 'lib/numru/ggraph.rb', line 1179

def gropn_1_if_not_yet
  if DCL.sgpget("iws") == 0
    DCL.gropn(1)
  end
end

.histogram(gphys, newframe = true, options = nil) ⇒ Object Also known as: histogram1D 



171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
 
# File 'lib/numru/ganalysis/histogram.rb', line 171

def histogram(gphys, newframe=true, options=nil)
  gropn_1_if_not_yet
  if newframe!=true && newframe!=false
    raise ArgumentError, "2nd arg (newframe) must be true of false"
  end
  unless gphys.rank == 1
    raise ArgumentError, "rank of gphys must be 1"
  end
  unless gphys.axis(0).cell?
    raise ArgumentError, "axis must be cell type"
  end
  # if window is specified via GGraph#fig or GGraph#set_fig, use it.
  opts = @@histogram_options.interpret(options)
  exchange = opts["exchange"]
  raise "Option 'window' must be an Array of length == 4" unless opts["window"].is_a?(Array) && opts["window"].length == 4
  window = opts["window"].dup
  4.times{|i| window[i] ||= @@fig['window'][i]} if @@fig['window']
  4.times{|i| window[i] ||= DCL::sgqwnd[i]} unless newframe
  unless exchange
    x = gphys.axis(0).cell_bounds
    y = gphys
    window[2] ||= 0
  else
    y = gphys.axis(0).cell_bounds
    x = gphys
    window[0] ||= 0
  end
  itr = @@fig['itr'] || DCL::sgpget("itr")
  if (itr==2 || itr==4)
    tmp = y.val
    if tmp.min * tmp.max < 0
      if tmp.min.abs < tmp.max
        mask = tmp.lt(0)
      else
        mask = tmp.gt(0)
      end
    else
      mask = tmp.ne(0)
    end
    if tmp.is_a?(NArrayMiss)
      tmp.set_mask(mask * tmp.get_mask)
    else
      tmp = NArrayMiss.to_nam_no_dup(tmp, mask)
    end
    y.replace_val(tmp)
    if(window[2].nil? || window[2] == 0)
      window[2] = tmp.abs.min * (tmp.min < 0 ? -1 : 1)
    end
  end
  if (itr==3 || itr==4)
    tmp = x.val
    if tmp.min * tmp.max < 0
      if tmp.min.abs < tmp.max
        mask = tmp.lt(0)
      else
        mask = tmp.gt(0)
      end
    else
      mask = tmp.ne(0)
    end
    if tmp.is_a?(NArrayMiss)
      tmp.set_mask(mask * tmp.get_mask)
    else
      tmp = NArrayMiss.to_nam_no_dup(tmp, mask)
    end
    x.replace_val(tmp)
    if(window[0].nil? || window[0] == 0)
      window[0] = tmp.abs.min * (tmp.min < 0 ? -1 : 1)
    end
  end
  opts["window"] = window

  fig(x, y, "window" => window) if newframe
  lmiss = DCL::gllget("lmiss")
  DCL::gllset("lmiss", true)
  if opts["fill"]
    itps = DCL::uuqarp
    itps[0] = itps[1] = opts["fill_pattern"] if opts["fill_pattern"]
    DCL::uusarp(*itps)
  end
  unless exchange
    if opts["fill"]
      DCL::uvbxa(x.val, [window[2]] * y.length, y.val)
    end
    bottom = [window[2]] * y.length
    DCL::uvbxf(x.val, bottom, y.val)
  else
    if opts["fill"]
      DCL::uhbxa([window[0]] * x.length, x.val, y.val)
    end
    bottom = [window[0]] * x.length
    DCL::uhbxf(bottom, x.val, y.val)
  end
  DCL::gllset("lmiss", lmiss)
  axes(x, y, "title" => opts["title"]) if newframe
  return nil
end

.itr_is?(itr, fig_yet_to_be_called = false) ⇒ Boolean

Returns:

  • (Boolean) 


1305
1306
1307
 
# File 'lib/numru/ggraph.rb', line 1305

def itr_is?( itr, fig_yet_to_be_called=false )
  itr == current_itr( fig_yet_to_be_called )
end

.line(gphys, newframe = true, options = nil) ⇒ Object 



2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
 
# File 'lib/numru/ggraph.rb', line 2163

def line(gphys, newframe=true, options=nil)
  gropn_1_if_not_yet
  if newframe!=true && newframe!=false
    raise ArgumentError, "2nd arg (newframe) must be true or false"
  end
  if @@next_line
    options = ( options ? @@next_line.update(options) : @@next_line )
    @@next_line = nil
  end
  opts = @@line_options.interpret(options)
  x, y, closer, gp, window = data_prep_1D(gphys, opts)
  if newframe
    fig(x, y, {'window'=>window})
    if opts['proc_before_ax']
      opts['proc_before_ax'].call
    end
    axes_or_map_and_ttl(gp, opts, x, y)
  end

  if opts['label']
    lcharbk = DCL.sgpget('lchar')
    DCL.sgpset('lchar',true)
    DCL.sgsplc(opts['label'])
  end
  if opts['step_plot']
    if opts['exchange']
      yval = set_step_plot_position(y.val, opts['step_position'])
      DCL.uhbxlz(x.val, yval, opts['type'], opts['index'])
    else
      xval = set_step_plot_position(x.val, opts['step_position'])
      DCL.uvbxlz(xval, y.val, opts['type'], opts['index'])
    end
  else
    DCL.uulinz(x.val, y.val, opts['type'], opts['index'])
  end
  DCL.sgpset('lchar',lcharbk) if opts['label']

  legend = opts['legend']
  if legend
    legend = gp.name if legend==true
    DCLExt::legend(legend,opts['type'],opts['index'],true,
                   opts['legend_size'],opts['legend_vx'],opts['legend_dx'],
                   opts['legend_vy'],newframe)
  end
  closer.call if closer
  nil
end

.map(options = nil) ⇒ Object 



1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
 
# File 'lib/numru/ggraph.rb', line 1875

def map(options=nil)
  if @@next_map
    options = ( options ? @@next_map.update(options) : @@next_map )
    @@next_map = nil
  end
  opts = @@map.interpret(options)
  DCL.umplim if opts['lim']
  DCL.umpset('dgridmj',opts['dgridmj']) if opts['dgridmj']
  DCL.umpset('dgridmn',opts['dgridmn']) if opts['dgridmn']
  DCL.umpgrd if opts['grid']
  if opts['vpt_boundary']
    if opts['vpt_boundary'].is_a?(Integer)
      idx = opts['vpt_boundary']
    else
      idx = 1
    end
    DCL.slpvpr( idx )
  end
  if opts['wwd_boundary']
    if opts['wwd_boundary'].is_a?(Integer)
      idx = opts['wwd_boundary']
    else
      idx = 1
    end
    DCL.slpwwr( idx )
  end
  DCL.umpmap('coast_world') if opts['coast_world']
  DCL.umpmap('coast_japan') if opts['coast_japan']
  if opts['fill']
    DCL.umfmap('coast_world') if opts['coast_world']
    DCL.umfmap('coast_japan') if opts['coast_japan']
  end
  DCL.umpmap('border_world') if opts['border_world']
  DCL.umpmap('plate_world') if opts['plate_world']
  DCL.umpmap('state_usa') if opts['state_usa']
  DCL.umpmap('pref_japan') if opts['pref_japan']
  nil
end

.map_trn?(fig_yet_to_be_called = false) ⇒ Boolean

Returns:

  • (Boolean) 


1296
1297
1298
1299
1300
1301
1302
1303
 
# File 'lib/numru/ggraph.rb', line 1296

def map_trn?( fig_yet_to_be_called=false )
  if fig_yet_to_be_called
    itr = ( @@next_fig && @@next_fig['itr'] ) || @@fig['itr']
  else
    itr = DCL.sgqtrn
  end
  !((1..9).include?(itr) || (51..99).include?(itr))
end

.margin_info(program = nil, data_source = nil, char_height = nil, date = nil, xl = 0.0, xr = 0.0, yb = nil, yt = 0.0) ⇒ Object 



1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
 
# File 'lib/numru/ggraph.rb', line 1185

def margin_info(program=nil, data_source=nil, char_height=nil, date=nil,
                xl=0.0, xr=0.0, yb=nil, yt=0.0)

  program = File.expand_path($0)       if !program
  if date
    program = __shorten_path(program,77) if DCL::DCLVERSION < "7.1"
    program += '  ' + Date.today.to_s
  else
    program = __shorten_path(program,99) if DCL::DCLVERSION < "7.1"
    if date.nil? && ## date is not added if false
        (DCL::DCLVERSION >= "7.1" || program.length < 77)
      program += '  ' + Date.today.to_s
    end
  end
  if !data_source
    data_source = Dir.pwd
    data_source = '' if data_source == program.sub(/\/[^\/]+$/,'')
  end
  data_source = __shorten_path(data_source,99) if DCL::DCLVERSION < "7.1"
  sz = 1.0/( program.length + data_source.length )
  char_height = [0.008, sz].min        if !char_height
  yb = 2.0 * char_height               if !yb

  DCL.slmgn(xl, xr, yb, yt)
  DCL.slsttl(program,     'b', -1.0, -1.0, char_height, 1)
  DCL.slsttl(data_source, 'b',  1.0, -1.0, char_height, 2)
  nil
end

.mark(gphys, newframe = true, options = nil) ⇒ Object 



2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
 
# File 'lib/numru/ggraph.rb', line 2288

def mark(gphys, newframe=true, options=nil)
  gropn_1_if_not_yet
  if newframe!=true && newframe!=false
    raise ArgumentError, "2nd arg (newframe) must be true or false"
  end
  if @@next_mark
    options = ( options ? @@next_mark.update(options) : @@next_mark )
    @@next_mark = nil
  end
  opts = @@mark_options.interpret(options)
  x, y, closer, gp, window = data_prep_1D(gphys, opts, len1ok: true)
  if newframe
    fig(x, y, {'window'=>window})
    if opts['proc_before_ax']
      opts['proc_before_ax'].call
    end
    axes_or_map_and_ttl(gp, opts, x, y)
  end
  DCL.uumrkz(x.val, y.val, opts['type'], opts['index'], opts['size'])

  legend = opts['legend']
  if legend
    legend = gp.name if legend==true
    DCLExt::legend(legend,opts['type'],opts['index'],false,
                   opts['legend_size'],opts['legend_vx'],nil,
                   opts['legend_vy'],newframe,opts['size'])
  end
  closer.call if closer
  nil
end

.name_selector(gp, limit) ⇒ Object 



2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
 
# File 'lib/numru/ggraph.rb', line 2596

def name_selector(gp, limit)
  if gp.long_name && gp.name
    if gp.long_name.length > limit && gp.long_name.length > gp.name.length && !gp.name.empty?
      gp.name 
    else 
      gp.long_name
    end
  else
    gp.long_name || gp.name
  end
end

.next_axes(options) ⇒ Object 



1619
1620
1621
1622
1623
1624
1625
1626
 
# File 'lib/numru/ggraph.rb', line 1619

def next_axes(options)
  if options.is_a?(Hash)
    @@next_axes = options
  else
    raise TypeError,"Hash expected"
  end
  nil
end

.next_color_scatter(options) ⇒ Object 



3029
3030
3031
3032
3033
3034
3035
3036
 
# File 'lib/numru/ggraph.rb', line 3029

def next_color_scatter(options)
  if options.is_a?(Hash)
    @@next_color_scatter = options
  else
    raise TypeError,"Hash expected"
  end
  nil
end

.next_contour(options) ⇒ Object 



2576
2577
2578
2579
2580
2581
2582
2583
 
# File 'lib/numru/ggraph.rb', line 2576

def next_contour(options)
  if options.is_a?(Hash)
    @@next_contour = options
  else
    raise TypeError,"Hash expected"
  end
  nil
end

.next_fig(options) ⇒ Object 



1287
1288
1289
1290
1291
1292
1293
1294
 
# File 'lib/numru/ggraph.rb', line 1287

def next_fig(options)
  if options.is_a?(Hash)
    @@next_fig = options
  else
    raise TypeError,"Hash expected"
  end
  nil
end

.next_line(options) ⇒ Object 



2142
2143
2144
2145
2146
2147
2148
2149
 
# File 'lib/numru/ggraph.rb', line 2142

def next_line(options)
  if options.is_a?(Hash)
    @@next_line = options
  else
    raise TypeError,"Hash expected"
  end
  nil
end

.next_linear_contour_options(options) ⇒ Object 



2334
2335
2336
2337
2338
2339
2340
2341
 
# File 'lib/numru/ggraph.rb', line 2334

def next_linear_contour_options(options)
  if options.is_a?(Hash)
    @@next_linear_contour_options = options
  else
    raise TypeError,"Hash expected"
  end
  nil
end

.next_linear_tone_options(options) ⇒ Object 



2738
2739
2740
2741
2742
2743
2744
2745
 
# File 'lib/numru/ggraph.rb', line 2738

def next_linear_tone_options(options)
  if options.is_a?(Hash)
    @@next_linear_tone_options = options
  else
    raise TypeError,"Hash expected"
  end
  nil
end

.next_map(options) ⇒ Object 



1866
1867
1868
1869
1870
1871
1872
1873
 
# File 'lib/numru/ggraph.rb', line 1866

def next_map(options)
  if options.is_a?(Hash)
    @@next_map = options
  else
    raise TypeError,"Hash expected"
  end
  nil
end

.next_mark(options) ⇒ Object 



2279
2280
2281
2282
2283
2284
2285
2286
 
# File 'lib/numru/ggraph.rb', line 2279

def next_mark(options)
  if options.is_a?(Hash)
    @@next_mark = options
  else
    raise TypeError,"Hash expected"
  end
  nil
end

.next_regression_line(options) ⇒ Object 



3333
3334
3335
3336
3337
3338
3339
3340
 
# File 'lib/numru/ggraph.rb', line 3333

def next_regression_line(options)
  if options.is_a?(Hash)
    @@next_regression_line = options
  else
    raise TypeError,"Hash expected"
  end
  nil
end

.next_scatter(options) ⇒ Object 



2948
2949
2950
2951
2952
2953
2954
2955
 
# File 'lib/numru/ggraph.rb', line 2948

def next_scatter(options)
  if options.is_a?(Hash)
    @@next_scatter = options
  else
    raise TypeError,"Hash expected"
  end
  nil
end

.next_tone(options) ⇒ Object 



2796
2797
2798
2799
2800
2801
2802
2803
 
# File 'lib/numru/ggraph.rb', line 2796

def next_tone(options)
  if options.is_a?(Hash)
    @@next_tone = options
  else
    raise TypeError,"Hash expected"
  end
  nil
end

.next_unit_vect_options(options) ⇒ Object 



3182
3183
3184
 
# File 'lib/numru/ggraph.rb', line 3182

def next_unit_vect_options(options)
  DCLExt.next_unit_vect_options(options)
end

.next_vector(options) ⇒ Object 



3226
3227
3228
3229
3230
3231
3232
3233
 
# File 'lib/numru/ggraph.rb', line 3226

def next_vector(options)
  if options.is_a?(Hash)
    @@next_vector = options
  else
    raise TypeError,"Hash expected"
  end
  nil
end

.polar_coordinate_boundaries(xax = nil, yax = nil) ⇒ Object 



1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
 
# File 'lib/numru/ggraph.rb', line 1824

def polar_coordinate_boundaries(xax=nil,yax=nil)

  slln=DCL.sgpget('LLNINT') ; slgc=DCL.sgpget('LGCINT')
  DCL.sgpset('LLNINT',true) ; DCL.sgpset('LGCINT',true)

  xmin=xax.min ; xmax=xax.max ; ymin=yax.min ; ymax=yax.max
  azimuth_len = ymax-ymin
  azimuth_len = azimuth_len.val if azimuth_len.is_a?(UNumeric)
  unless( (azimuth_len - 360.0).abs < 1e-2 )
    # not a full circle
    DCL.sgplzu([xmin,xmax],[ymin,ymin],1,5)
    DCL.sgplzu([xmin,xmax],[ymax,ymax],1,5)
  end

  DCL.sgplzu([xmin,xmin],[ymin,ymax],1,5)
  DCL.sgplzu([xmax,xmax],[ymin,ymax],1,5)

  DCL.sgpset('LLNINT',slln) ; DCL.sgpset('LGCINT',slgc)
  nil
end

.profile(gphys, newframe = true, options = nil) ⇒ Object

———————————————————- Added at 080207 –



2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
 
# File 'lib/numru/ggraph.rb', line 2211

def profile(gphys, newframe=true, options=nil)
  gropn_1_if_not_yet
  if newframe!=true && newframe!=false
    raise ArgumentError, "2nd arg (newframe) must be true or false"
  end
  
  opts = @@line_options.interpret(options)
  check_max = opts['max']
  opts['max'] = nil
  opts['exchange']= true
  x, y, closer, gp, window = data_prep_1D(gphys, opts)

  if newframe
    fig(x, y, {'window'=>window})
    axes_or_map_and_ttl(gp, opts, x, y)
  end
  if opts['label']
    lcharbk = DCL.sgpget('lchar')
    DCL.sgpset('lchar',true)
    DCL.sgsplc(opts['label'])
  end

  if opts['index']
     iat=opts['index']
  end
  if check_max
     if x.val.max > check_max
        iat=21
     end
  end
  DCL.uulinz(x.val, y.val, opts['type'], iat )
  DCL.sgpset('lchar',lcharbk) if opts['label']


  legend = opts['legend']
  if legend
    legend = gp.name if legend==true
    DCLExt::legend(legend,opts['type'],opts['index'],true,
                   opts['legend_size'],opts['legend_vx'],opts['legend_dx'],
                   opts['legend_vy'],newframe)
  end
  closer.call if closer
  nil
end

.regression_line(x, y, options = nil) ⇒ Object 



3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
 
# File 'lib/numru/ggraph.rb', line 3342

def regression_line(x,y, options=nil)
  if @@next_regression_line
    options = ( options ? @@next_regression_line.update(options) : @@next_regression_line )
    @@next_regression_line = nil
  end
  opts = @@regression_line_options.interpret(options)

  x = x.val if x.respond_to?(:val)  # GPhys or VArray like
  y = y.val if y.respond_to?(:val)  # GPhys or VArray like
  x = NArray.to_na(x) if x.is_a?(Array)
  y = NArray.to_na(y) if y.is_a?(Array)
   

  xs = x   # scaled x:  x or log(x)  (see below)
  ys = y   # scaled y:  y or log(y)  (see below)

  xlog = ylog = false  # can be overwritten below
  itr = current_itr()
  case itr
  when 1
    # nothing to do
  when 2
    ys = NMMath.log(ys)
    ylog = true
  when 3
    xs = NMMath.log(xs)
    xlog = true
  when 4
    xs = NMMath.log(xs)
    ys = NMMath.log(ys)
    xlog = ylog = true
  else
    raise "Drawing a linear regression line is limited to itr = 1~4 (linear or log plots), while the current itr is #{itr}. (itr is a coordinate transformation parameter set by fig (or set_fig or next_fig).)"
  end

  y_given_x = !opts['x_given_y']

  xr = NArray.sfloat(2)  # --> x ends of the regression line
  yr = NArray.sfloat(2)  # --> y ends of the regression line
  if y_given_x
    a,b,r = linear_regression(xs,ys)
    if opts["limit"]
      xr[0] = x.min
      xr[1] = x.max
    else
      xr[0],xr[1], = DCL.sgqwnd
    end
    xrs = !xlog ? xr : NMath::log(xr)
    yrs = a + b*xrs
    yr = !ylog ? yrs : NMath::exp(yrs)
  else
    a,b,r = linear_regression(ys,xs)
    if opts["limit"]
      yr[0] = y.min
      yr[1] = y.max
    else
      dum0,dum1, yr[0], yr[1] = DCL.sgqwnd
    end
    yrs = !ylog ? yr : Math::log(yr)
    xrs = a + b*yrs
    xr = !xlog ? xrs : Math::exp(xrs)
  end

  before = DCLExt.sg_set_params({'lclip'=>opts['clip']})
  DCL.sgplzu(xr,yr,opts["type"],opts["index"]) 
  DCLExt.sg_set_params(before)

  ai = opts['annot_intercept'] || opts['annot_intercept'].nil? && itr==1
  as = opts['annot_slope'] || opts['annot_slope'].nil? && (itr==1 or itr==4)
  ac = opts['annot_cor']
  ar2 = opts['annot_r2']
  if as && ai 
    if y_given_x
      annot = ["regr  y=a+bx:", 
               "  a=#{DCL.chval('A',a)}", "  b=#{DCL.chval('A',b)}"]
    else
      annot = ["regr  x=a+by:", 
               "  a=#{DCL.chval('A',a)}", "  b=#{DCL.chval('A',b)}"]
    end
    annot.push(sprintf("r=%-.3g",r)) if ac
    annot.push(sprintf("r2=%-.3g",r**2)) if ar2
    annotate(annot, @@nannot)
  elsif as  
    if y_given_x
      annot = ["slope: #{DCL.chval('A',b)}"]
    else
      annot = ["regress x given y:", " x(y) slope: #{DCL.chval('A',b)}"]
    end
    annot.push(sprintf("r=%-.3g",r)) if ac
    annot.push(sprintf("r2=%-.3g",r**2)) if ar2
    annotate(annot, @@nannot)
  end

  [a,b,r]
end

.scatter(fx, fy, newframe = true, options = nil) ⇒ Object 



2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
 
# File 'lib/numru/ggraph.rb', line 2957

def scatter(fx, fy, newframe=true, options=nil)
  gropn_1_if_not_yet
  if newframe!=true && newframe!=false
    raise ArgumentError, "3rd arg (newframe) must be true or false"
  end
  if @@next_scatter
    options = ( options ? @@next_scatter.update(options) : @@next_scatter )
    @@next_scatter = nil
  end
  opts = @@scatter_options.interpret(options)
  # interpret cut, slice, etc
  gpx, closerx = data_prep_multidim(fx, opts)
  gpy, closery = data_prep_multidim(fy, opts)
  # flatten gphys data -----
  fakeaxis = Axis.new.set_pos(VArray.new(NArray.int(gpx.length).indgen!,
                                         {"long_name"=>"fake",
                                           "units"=>""},
                                         "fake"))
  fakegrid = Grid.new(fakeaxis)
  gpx, gpy = [gpx, gpy].collect{|gp|
    na = gp.val.reshape!(gp.length)
    attr = gp.data.attr_copy
    newgp = GPhys.new(fakegrid,VArray.new(na,attr,gp.name))
    newgp.set_lost_axes(gp.lost_axes)
    newgp
  }
  # ------------------------
  x = gpx.data
  y = gpy.data
  if newframe
    fig(x, y)
    if opts['proc_before_ax']
      opts['proc_before_ax'].call
    end
    axes_or_map_and_ttl(gpx, opts, x, y, gpy)
  end
  DCL.uumrkz(x.val, y.val, opts['type'], opts['index'], opts['size'])
  if opts['correlation']
    return _scatter_display_corr(gpx, gpy, opts) 
  else
    return nil
  end
  # close if necessary -----
  closerx.call if closerx
  closery.call if closery
  nil
end

.set_axes(options) ⇒ Object 



1614
1615
1616
 
# File 'lib/numru/ggraph.rb', line 1614

def set_axes(options)
  @@axes.set(options)
end

.set_color_scatter(options) ⇒ Object

@@color_scatter_options.delete(“transpose”) # delete is yet to be supported @@color_scatter_options.delete(“exchange”) # (2010-01)



3025
3026
3027
 
# File 'lib/numru/ggraph.rb', line 3025

def set_color_scatter(options)
  @@color_scatter_options.set(options)
end

.set_contour(options) ⇒ Object 



2571
2572
2573
 
# File 'lib/numru/ggraph.rb', line 2571

def set_contour(options)
  @@contour_options.set(options)
end

.set_contour_levels(options) ⇒ Object 



2553
2554
2555
2556
 
# File 'lib/numru/ggraph.rb', line 2553

def set_contour_levels(options)
  opts = @@contour_levels.interpret(options)
  _set_contour_levels_(opts)
end

.set_fig(options) ⇒ Object 



1282
1283
1284
 
# File 'lib/numru/ggraph.rb', line 1282

def set_fig(options)
  @@fig.set(options)
end

.set_line(options) ⇒ Object 



2137
2138
2139
 
# File 'lib/numru/ggraph.rb', line 2137

def set_line(options)
  @@line_options.set(options)
end

.set_linear_contour_options(options) ⇒ Object 



2330
2331
2332
 
# File 'lib/numru/ggraph.rb', line 2330

def set_linear_contour_options(options)
  @@linear_contour_options.set(options)
end

.set_linear_tone_options(options) ⇒ Object 



2734
2735
2736
 
# File 'lib/numru/ggraph.rb', line 2734

def set_linear_tone_options(options)
  @@linear_tone_options.set(options)
end

.set_map(options) ⇒ Object 



1861
1862
1863
 
# File 'lib/numru/ggraph.rb', line 1861

def set_map(options)
  @@map.set(options)
end

.set_mark(options) ⇒ Object 



2274
2275
2276
 
# File 'lib/numru/ggraph.rb', line 2274

def set_mark(options)
  @@mark_options.set(options)
end

.set_regression_line(options) ⇒ Object 



3329
3330
3331
 
# File 'lib/numru/ggraph.rb', line 3329

def set_regression_line(options)
  @@regression_line_options.set(options)
end

.set_scatter(options) ⇒ Object

@@scatter_options.delete(“transpose”) # delete is yet to be supported @@scatter_options.delete(“exchange”) # (2010-01)



2944
2945
2946
 
# File 'lib/numru/ggraph.rb', line 2944

def set_scatter(options)
  @@scatter_options.set(options)
end

.set_step_plot_position(val, postype) ⇒ Object 



2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
 
# File 'lib/numru/ggraph.rb', line 2151

def set_step_plot_position(val, postype)
  if postype == 0
    val = NArray.to_na([val[0]] + (val[0..-2] + val[1..-1]).mul!(0.5).to_a + [val[-1]])
  elsif postype > 0
    val = NArray.to_na([val[0]] + val.to_a)
  else
    val = NArray.to_na(val.to_a + [val[-1]])
  end
  return val
end

.set_tone(options) ⇒ Object 



2791
2792
2793
 
# File 'lib/numru/ggraph.rb', line 2791

def set_tone(options)
  @@tone_options.set(options)
end

.set_tone_levels(options) ⇒ Object 



2754
2755
2756
2757
 
# File 'lib/numru/ggraph.rb', line 2754

def set_tone_levels(options)
  opts = @@tone_levels.interpret(options)
  _set_tone_levels_(opts)
end

.set_unit_vect_options(options) ⇒ Object

< vector >



3179
3180
3181
 
# File 'lib/numru/ggraph.rb', line 3179

def set_unit_vect_options(options)
  DCLExt.set_unit_vect_options(options)
end

.set_vector(options) ⇒ Object 



3222
3223
3224
 
# File 'lib/numru/ggraph.rb', line 3222

def set_vector(options)
  @@vector_options.set(options)
end

.sim_trn? ⇒ Boolean

Returns:

  • (Boolean) 


1318
1319
1320
 
# File 'lib/numru/ggraph.rb', line 1318

def sim_trn?
  (5..7).include?(DCL.sgqtrn)
end

.startup(options = nil) ⇒ Object 



1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
 
# File 'lib/numru/ggraph.rb', line 1159

def startup(options=nil)
  opts = @@startup_options.interpret(options)
  DCL.swpset('iwidth',opts['iwidth'])  if opts['iwidth']
  DCL.swpset('iheight',opts['iheight'])  if opts['iheight']
  DCL.swpset('ifl',opts['ifl']) if opts['ifl'] && DCL::DCLVERSION >= "6"
  DCL.sgscmn(opts['colormap']) if opts['colormap']
  DCL.swpset('lwait',opts['lwait'])
  DCL.swpset('lalt',opts['lalt'])

  DCL.gropn(opts['iws'])

  DCL.sgpset('isub', opts['isub'])
  DCL.glpset('lmiss', opts['lmiss'])
  DCL.sgpset('lfull',opts['lfull'])
end

.timeplot(gphys, newframe = true, options = nil) ⇒ Object

timeplot 0802011 ######



2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
 
# File 'lib/numru/ggraph.rb', line 2344

def timeplot(gphys, newframe=true, options=nil)
  gropn_1_if_not_yet
  if newframe!=true && newframe!=false
    raise ArgumentError, "2nd arg (newframe) must be true or false"
  end
  if ! defined?(@@timeplot_options)
    @@timeplot_options = Misc::KeywordOptAutoHelp.new(
      ['size', 0.01, 'marks size'],
      ['lamin', nil, 'minimam latitude value'],
      ['lamax', nil, 'maximam latitude value'],
      ['lomin', nil, 'minimam longitude value'],
      ['lomax', nil, 'maximam longitude value'],
      ['ltone', true, 'Same as udpack parameter ltone'],
      ['tonf', false, 'Use DCL.uetonf instead of DCL.uetone'],
      ['tonb', false, 'Use DCL.uetonb instead of DCL.uetone'],
      ['tonc', false, 'Use DCL.uetonc instead of DCL.uetone'],
      ['clr_min', 13,  'if an integer (in 10..99) is specified, used as the color number for the minimum data values. (the same can be done by setting the uepack parameter "icolor1")'],
      ['clr_max', 99,  'if an integer (in 10..99) is specified, used as the color number for the maximum data values. (the same can be done by setting the uepack parameter "icolor2")'],
      ['keep', false, 'Use the tone levels and patterns used previously'],
      @@line_options
    )
  end

  opts = @@timeplot_options.interpret(options)
  opts['type'] = 2
  if opts['clr_min']
    icolor1_bak = DCL.uepget('icolor1')
    DCL.uepset('icolor1', opts['clr_min'])
  end
  if opts['clr_max']
    icolor2_bak = DCL.uepget('icolor2')
    DCL.uepset('icolor2', opts['clr_max'])
  end
  cmn=opts['clr_min']+1
  cmx=opts['clr_max']-1

  if opts['lamin'] && opts['lamax']
     latmn= opts['lamin']
     latmx= opts['lamax']
     if latmn > latmx
        raise ArgumentError,"Specific Settings parameter is invalid.(1)"
     end
  elsif opts['lamin'] || opts['lamax']
     raise ArgumentError,"Specific Settings parameter is invalid.(2)"
  else
     latmn=false
     latmx=false
  end

  if opts['lomin'] && opts['lomax']
     lonmn= opts['lomin']
     lonmx= opts['lomax']
     if lonmn > lonmx
        raise ArgumentError,"Specific Settings parameter is invalid.(3)"
     end
  elsif opts['lomin'] || opts['lomax']
     raise ArgumentError,"Specific Settings parameter is invalid.(4)"
  else
     lonmn=false
     lonmx=false
  end

  gp = gphys.first2D
  gp = gp.transpose(1,0) if opts['transpose'] || opts['exchange']
#--
  x = gp.coord(0)
  y = gp.coord(1)
  zv = gp.data.val
       
  idim=0
  case x.name.downcase
  when "time"
     idim=0
  else
     case y.name.downcase
     when "time"
       idim=1
     end
  end

  latp=VArray.new
  lonp=VArray.new
  lat_flag = false
  lon_flag = false
  if gp.has_assoccoord?
    gp.assoc_coords.coordnames.each do |auxname|
      if auxname == "Latitude"
        latp=gp.coord(auxname)
        lat_flag = true
      elsif auxname == "Longitude"
        lonp=gp.coord(auxname)
        lon_flag = true
      end
    end
  end

  #------ for color bar
  DCL.uwsgxa(x.val)
  DCL.uwsgya(y.val)
  if !opts['keep'] or DCL.ueqntl==0
    if !opts['levels'] && opts['log']
      levels, = DCLExt.quasi_log_levels_z(gp.data.val, opts['nlev'],
                              opts['max'], opts['min'], opts['log_cycle'])
      rmiss = DCL.glrget('rmiss')
      levels.unshift(rmiss) if !opts['max'] && levels[0]<0
      levels.push(rmiss)    if !opts['max'] && levels[-1]>0
      opts['levels'] = levels
    end
    if opts['levels']
      backup = @@set_tone_levels
      _set_tone_levels_(opts)
      @@set_tone_levels = backup
    elsif opts['patterns']
      raise "option 'patterns' is not effective unless 'levels' is specified"
    elsif !@@set_tone_levels && opts['ltone']
      DCL.ueitlv
      DCLExt.ue_set_linear_levs(gp.data.val, opts)
    else
      DCL.ueitlv if !@@set_tone_levels
    end
  end
  #-------
  if newframe
    fig(x, y)
    axes_or_map_and_ttl(gp, opts, x, y)
  end
  zmn=gp.data.val.min
  zmx=gp.data.val.max

  zmax = ((cmx-cmn)+cmn).round*10+3
  zmin = cmn.round*10+3
  #-------
  xx=x.val.to_a
  yy=y.val.to_a
  plat=latp.val.to_a if lat_flag
  plon=lonp.val.to_a if lon_flag
  zz=zv

  k=0
  for i in 0..yy.length-1
    for j in 0..xx.length-1
       tflg=0
       idim == 0 ? h=j : h=i

       tflg=1 if latmn && latmx && ( plat[h] < latmn || plat[h] > latmx )
       tflg=2 if lonmn && lonmx && ( plon[h] < lonmn || plon[h] > lonmx )
       if tflg == 0
          xx1=NArray.to_na(Array.new(1,xx[j]*1.0))
          yy1=NArray.to_na(Array.new(1,yy[i]*1.0))
          z = zz[j,i] if zz[j,i].is_a?(Numeric)
          z = zmn if zz[j,i].is_a?(Array)
          iz=((z-zmn)/(zmx-zmn)*(cmx-cmn)+cmn).round*10+3
          DCL.uumrkz(xx1, yy1, 230, iz, 0.005 )
       end
       k+=1
    end
  end

  legend = opts['legend']
  if legend
    legend = gp.name if legend==true
    DCLExt::legend(legend,opts['type'],opts['index'],false,
                   opts['legend_size'],opts['legend_vx'],nil,
                   opts['legend_vy'],newframe,opts['size'])
  end
  DCL.uepset('icolor1', icolor1_bak) if opts['clr_min']
  DCL.uepset('icolor2', icolor2_bak) if opts['clr_max']
  #----------------------------- color bar unit -- 08.01.31 ----
  vx1, vx2, vy1, vy2 = DCL.sgqvpt
  x1=vx2+0.02
  y1=vy1-0.02
  if  "#{gp.data.units}".length >0
      DCL.sgtxzv(x1, y1, "#{gp.data.units}", 0.02, 0, -1 ,11 )
  end
  #-----------------------------------------
  nil
end

.title(string) ⇒ Object 



1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
 
# File 'lib/numru/ggraph.rb', line 1222

def title(string)
  if string
    if map_trn? || itr_is?(5)
      v = DCL::sgqvpt
      txhgt = DCL.uzpget('rsizec2')     # rsizec2: larger text
      vx = (v[0]+v[1])/2
      vy = v[3] + (0.5 + DCL.uzpget('pad1')) * txhgt
      DCL::sgtxzr(vx , vy, string, txhgt, 0, 0, 3)
    else
      DCL.uxmttl('t',string,0.0)
    end
  end
  nil
end

.tone(gphys, newframe = true, options = nil) ⇒ Object 



2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
 
# File 'lib/numru/ggraph.rb', line 2830

def tone(gphys, newframe=true, options=nil)
  gropn_1_if_not_yet
  if newframe!=true && newframe!=false
    raise ArgumentError, "2nd arg (newframe) must be true or false"
  end
  if @@next_tone
    options = ( options ? @@next_tone.update(options) : @@next_tone )
    @@next_tone = nil
  end
  if @@next_linear_tone_options
    options = ( options ? @@next_linear_tone_options.update(options) :
                          @@next_linear_tone_options )
    @@next_linear_tone_options = nil
  end
  opts = @@tone_options.interpret(options)
  xax, yax, closer, gp = data_prep_2D([gphys], newframe, opts)

  if opts['clr_min']
    icolor1_bak = DCL.uepget('icolor1')
    DCL.uepset('icolor1', opts['clr_min'])
  end
  if opts['clr_max']
    icolor2_bak = DCL.uepget('icolor2')
    DCL.uepset('icolor2', opts['clr_max'])
  end
  if newframe
    fig(xax, yax)
  end
  if opts['proc_before_tone']
    opts['proc_before_tone'].call
  end

  DCL.uwsgxa(xax.val) if xax.rank==1
  DCL.uwsgya(yax.val) if yax.rank==1
  if !opts['keep'] or DCL.ueqntl==0
    if !opts['levels'] && opts['log']
      levels, = DCLExt.quasi_log_levels_z(gp.data.val, opts['nlev'],
                              opts['max'], opts['min'], opts['log_cycle'])
      rmiss = DCL.glrget('rmiss')
      levels.unshift(rmiss) if !opts['max'] && levels[0]<0
      levels.push(rmiss)    if !opts['max'] && levels[-1]>0
      opts['levels'] = levels
    end
    if opts['levels']
      backup = @@set_tone_levels
      _set_tone_levels_(opts)
      @@set_tone_levels = backup
    elsif opts['patterns']
      raise "option 'patterns' is not effective unless 'levels' is specified"
    elsif !@@set_tone_levels && opts['ltone']
      DCL.ueitlv
      DCLExt.ue_set_linear_levs(gp.data.val, opts)
    else
      DCL.ueitlv if !@@set_tone_levels
    end
  end

  @@used_fullcolor_tone = false
  val = gp.data.val
  if opts['fullcolor']
    @@used_fullcolor_tone = true
    sopt = opts.dup.delete_if{|k,v| !DCLExt.shade_1_option_keys.include?(k)}
    DCLExt.ui_shade_1(val, sopt)
  elsif opts['tonb'] && opts['ltone']
    DCL.uetonb(val)
  elsif opts['tonc'] && opts['ltone']
    DCL.uetonc(val)
  elsif ( opts['ltone'] && 
          ( opts['tonf'] ||
            opts['auto']  && ( val.length >= TONE_TONF_THRES_SIZE ||
                               val.shape.min >= TONE_TONF_THRES_LEN ) ) )
    DCL.uetonf(val)
  else
    DCL.uetone(val)
  end

  if newframe
    if opts['proc_before_ax']
      opts['proc_before_ax'].call
    end
    axes_or_map_and_ttl(gp,opts, xax, yax)
  end
  DCL.uepset('icolor1', icolor1_bak) if opts['clr_min']
  DCL.uepset('icolor2', icolor2_bak) if opts['clr_max']

  if opts['color_bar']
    cbunits = opts['cbunits']
    cbunits = gphys.units.to_s if cbunits==true
    if @@used_fullcolor_tone
      color_bar "units"=>cbunits
    else
      color_bar "log"=>opts['log'], "units"=>cbunits
    end
  end
  closer.call if closer
  nil
end

.tone_and_contour(gphys, newframe = true, options = nil) ⇒ Object 



2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
 
# File 'lib/numru/ggraph.rb', line 2524

def tone_and_contour(gphys, newframe=true, options=nil)
  options ? copt=@@contour_options.select_existent(options) : copt=nil
  options ? topt=@@tone_options.select_existent(options) : topt=Hash.new
  topt = @@tone_options.interpret(topt)
  cbar = topt["color_bar"]
  topt["color_bar"]=false if cbar  # color bar will be plotted after contour
  tone(gphys, newframe, topt)
  contour(gphys, false, copt)
  if cbar
    cbunits = topt['cbunits']
    cbunits = gphys.units.to_s if cbunits==true
    if @@used_fullcolor_tone
      color_bar "units"=>cbunits
    else
      color_bar "log"=>topt['log'], "units"=>cbunits
    end
  end
end

.vector(fx, fy, newframe = true, options = nil) ⇒ Object 



3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
 
# File 'lib/numru/ggraph.rb', line 3235

def vector(fx, fy, newframe=true, options=nil)
  gropn_1_if_not_yet
  if newframe!=true && newframe!=false
    raise ArgumentError, "2nd arg (newframe) must be true or false"
  end
  if @@next_vector
    options = ( options ? @@next_vector.update(options) : @@next_vector )
    @@next_vector = nil
  end
  opts = @@vector_options.interpret(options)
  xax, yax, closer, fx, fy = data_prep_2D([fx,fy], newframe, opts)
  if newframe
    fig(xax, yax)
  end
  if newframe
    axes_or_map_and_ttl(fx, opts, xax, yax, fy)
  end
  itr = current_itr
  xaxv = xax.val
  yaxv = yax.val
  DCL.uwsgxa(xaxv)
  DCL.uwsgya(yaxv)

  oldindex = DCLExt.ug_set_params("index" => opts['index']) if opts['index']

  if opts['unit_vect']
    if (uvu=opts['uvunits'])
      case uvu
      when String
        un = uvu
      else
        raise("fx-fy units miss match") if fx.units != fy.units
        un = fx.units.to_s
      end
      uvopts = {'units'=>un}
    else
      uvopts = Hash.new
    end
  end
  if opts['flow_itr5']
    if itr_is?(5)
      DCLExt.flow_itr5( fx, fy, opts['factor'], opts['unit_vect'] )
      returnval = nil
    else
      raise "flow_itr5 option should use with itr=5."
    end
  elsif opts['flow_vect_anyproj'] ||
        ( opts['flow_vect_anyproj'].nil? && opts['flow_vect'] && itr >=2 )
    @@vfratio, @@flenmax = 
        DCLExt.flow_vect_anyproj(fx.val, fy.val, xaxv, yaxv, 
                                 opts['factor'], 1, 1, opts['distvect_map'],
                                 (opts['keep'] && @@vfratio),
                                 (opts['keep'] && @@flenmax),
                                 opts['polar_thinning'] )
    returnval = { "vfratio"=> @@vfratio, "flenmax"=>@@flenmax }
    if opts['unit_vect']
      len_unit = opts['len_unit'] || @@flenmax
      DCLExt.unit_vect_single(@@vfratio, len_unit, uvopts)
    end
  elsif opts['flow_vect']
    uninfo = DCLExt.flow_vect(fx.val, fy.val, opts['factor'], 1, 1,
              (opts['keep']&& @@vxfxratio), (opts['keep'] && @@vyfyratio) )
    @@vxfxratio, @@vyfyratio, = uninfo
    returnval = { "vxfxratio"=>@@vxfxratio, "vyfyratio"=>@@vyfyratio }
    if opts['unit_vect']
      unless opts['max_unit_vect']
        uninfo[2] = opts['ux_unit']  # nil or a Numeric to specify the len 
        uninfo[3] = opts['uy_unit']  # nil or a Numeric to specify the len 
      end
      DCLExt.unit_vect( *(uninfo+[uvopts]) )
    end
  else
    before=DCLExt.ug_set_params({'lunit'=>true}) if opts['unit_vect']
    DCL.ugvect(fx.val, fy.val)
    returnval = nil
    DCLExt.ug_set_params(before) if opts['unit_vect']
  end
  DCLExt.ug_set_params(oldindex) if opts['index']
  closer.call if closer
  returnval
end

.vector_on_merdional_section(fx, fy, newframe = true, options = nil) ⇒ Object 



72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
 
# File 'lib/numru/ggraph_on_merdional_section.rb', line 72

def vector_on_merdional_section(fx, fy, newframe=true, options=nil)  
  if ! defined?(@@vector_on_merdional_section_options)
    @@vector_on_merdional_section_options = Misc::KeywordOptAutoHelp.new(
      ['newfig', true, 'if false, do not cleared before figure setting.'],
      ['title', nil, 'Title of the figure(if nil, internally determined)'],
      ['annotate', true, 'if false, do not put texts on the right margin even when newframe==true'],
      ['transpose', false, 'if true, exchange x and y axes'],
      ['flow_vect', true, 'If true, use DCLExt::flow_vect to draw vectors; otherwise, DCL::ugvect is used.'],
      ['xintv', 1, '(Effective only if flow_vect) interval of data sampling in x'],
      ['yintv', 1, '(Effective only if flow_vect) interval of data sampling in y'],
      ['factor', 1.0, '(Effective only if flow_vect) scaling factor to strech/reduce the arrow lengths'],
      ['unit_vect', false, 'Show the unit vector'],
      ['use_before_scale', false, '(Effective only unless flow_vect) If true, use scale factor before vector.'],
      ['max_unit_vect', false, '(Effective only if flow_vect && unit_vect) 
        If true, use the maximum arrows to scale the unit vector; otherwise, normalize in V coordinate.']
    )
  end
  opts = @@vector_on_merdional_section_options.interpret(options)
  fx = fx.first2D.copy
  fy = fy.first2D.copy
  sh = fx.shape
  if sh != fy.shape
    raise ArgumentError, "shapes of fx and fy do not agree with each other"
  end
  fx = fx.transpose(1,0) if opts['transpose']
  fy = fy.transpose(1,0) if opts['transpose']
  if ((xi=opts['xintv']) >= 2)
    idx = NArray.int(sh[0]/xi).indgen!*xi     # [0,xi,2*xi,..]
    fx = fx[idx, true]
    fy = fy[idx, true]
  end
  if ((yi=opts['yintv']) >= 2)
    idx = NArray.int(sh[1]/yi).indgen!*yi     # [0,yi,2*yi,..]
    fx = fx[true, idx]
    fy = fy[true, idx]
  end
  xax = fx.coord(0)
  yax = fy.coord(1)
  aphi_ax, z_ax, was_proportional_to_p = \
        GPhys::EP_Flux::preparate_for_vector_on_merdional_section(xax, yax)
  if was_proportional_to_p
	itr = 2 
  else
	itr = 1
  end
  if newframe
	nextfig = @@next_fig.dup  if ( @@next_fig != nil ) # backup next_fig
    fig(xax, yax, {'itr'=>itr}) 
    axes(xax, yax)
    if opts['title']
      ttl = opts['title']
    else
      fxnm = fx.data.get_att('long_name') || fx.name
      fynm = fy.data.get_att('long_name') || fy.name
      ttl =   '('+fxnm+','+fynm+')'
    end
    title( ttl )
    annotate(fx.lost_axes) if opts['annotate']
	@@next_fig = nextfig      if ( @@next_fig != nil )
  end
  fig(aphi_ax, z_ax, {'new_frame'=>false, 'itr'=>1, 'yreverse'=>false}) \
                                                      if (opts['newfig'])
  DCL.uwsgxa(aphi_ax.val) 
  DCL.uwsgya(z_ax.val)
  if opts['flow_vect']
	if opts['use_before_scale']
	  vxfxratio = @@uninfo[0]; vxfyratio = @@uninfo[1]
	  before=DCLExt.ug_set_params( {'LNRMAL'=>false, 'LMSG'=>false,
	 'XFACT1'=>1.0, 'YFACT1'=>1.0} )
	  DCL.ugvect(vxfxratio*fx.val, vxfyratio*fy.val)
	  DCLExt.ug_set_params(before) 
	  if opts['unit_vect']
 if opts['max_unit_vect']
   DCLExt.unit_vect(*@@uninfo)
 else
   DCLExt.unit_vect(*@@uninfo[0..1])
 end
	  end
	else
	  @@uninfo = DCLExt.flow_vect(fx.val, fy.val, opts['factor'] )
	  if opts['unit_vect']
 if opts['max_unit_vect']
   DCLExt.unit_vect(*@@uninfo)
 else
   DCLExt.unit_vect(*@@uninfo[0..1])
 end
	  end
	end
  else
	if opts['use_before_scale']
	  vxfxratio = @@uninfo[0]; vxfyratio = @@uninfo[1]
	  before1=DCLExt.ug_set_params({'lunit'=>true}) if opts['unit_vect']
	  before2=DCLExt.ug_set_params( {'LNRMAL'=>false, 'LMSG'=>false,
	 'XFACT1'=>1.0, 'YFACT1'=>1.0} )
	  DCL.ugvect(vxfxratio*fx.val, vxfyratio*fy.val)
	  DCLExt.ug_set_params(before1) if opts['unit_vect']
	  DCLExt.ug_set_params(before2) 
	else
	  before=DCLExt.ug_set_params({'lunit'=>true}) if opts['unit_vect']
	  DCL.ugvect(fx.val, fy.val)
	  DCLExt.ug_set_params(before) if opts['unit_vect']
	end
	nil
  end
end