Class: Nyaplot::Plot
- Inherits:
-
Object
- Object
- Nyaplot::Plot
- Includes:
- ChartMethods, Exportable
- Defined in:
- lib/nyaplot/plot.rb
Constant Summary
Constants included from Exportable
Instance Attribute Summary collapse
-
#background ⇒ Object
Returns the value of attribute background.
-
#grid ⇒ Object
Returns the value of attribute grid.
-
#xaxis ⇒ Object
Returns the value of attribute xaxis.
-
#yaxis ⇒ Object
Returns the value of attribute yaxis.
Class Method Summary collapse
Instance Method Summary collapse
- #add(chart_type, xarr = nil, yarr = nil, **opts) ⇒ Object
- #add_dependency(layer) ⇒ Object (also: #ad)
- #add_temp_dependency(layer) ⇒ Object (also: #atd)
-
#add_with_df(df, chart_type, xlabel, ylabel) ⇒ Object
deprecated.
- #clear_temp_dependency ⇒ Object
- #column(r, l, opts = {}) ⇒ Object
- #decide_domain(arrs, scale_type) ⇒ Object
- #decide_xdomain(scale_type) ⇒ Object
- #decide_ydomain(scale_type) ⇒ Object
-
#initialize(df = nil, **opts) ⇒ Plot
constructor
A new instance of Plot.
- #row(t, b, opts = {}) ⇒ Object
-
#stack(me, children) ⇒ Object
s methods for #to_json ##.
- #title(txt) ⇒ Object
- #to_json(*args) ⇒ Object
- #xdomain(arr) ⇒ Object
- #xlabel(txt) ⇒ Object
- #xscale(type) ⇒ Object
- #ydomain(arr) ⇒ Object
- #ylabel(txt) ⇒ Object
- #yscale(type) ⇒ Object
Methods included from ChartMethods
#add_annotation, #add_arrow, #add_circle, #add_rect, #add_text
Methods included from Exportable
#export_html, #generate_html, #raise_display_failed, #show, #to_iruby, #to_png
Constructor Details
#initialize(df = nil, **opts) ⇒ Plot
Returns a new instance of Plot.
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# File 'lib/nyaplot/plot.rb', line 22 def initialize(df=nil, **opts) @df = df @opts = { width: 400, height: 400 }.merge(opts) wh = { width: @opts[:width], height: @opts[:height] } @xdomain = nil @ydomain = nil ## internal use @glyphs = [] @charts = [] @deps = [] @temp_deps = [] ## properties @x_axis_h = 35 @y_axis_w = 70 @with_layer @is_interactive = true ## layers @stage = ad ::Layers::Stage.new({}) @context = ad ::Layers::Context.new(wh) @background = ad ::Layers::Background.new( { width: wh[:width]+4, height: wh[:height]+4, dx: -2, dy: -2 }) @xscale = ad ::Layers::Scale.new({type: nil, range: [0, @opts[:width]]}) @yscale = ad ::Layers::Scale.new({type: nil, range: [@opts[:height], 0]}) @xaxis = ad ::Layers::Axis.new({scale: @xscale, height: @x_axis_h}) @yaxis = ad ::Layers::Axis.new({scale: @yscale, orient: :left, width: @y_axis_w}) @grid = ad ::Layers::Grid.new({xscale: @xscale, yscale: @yscale}) @position = ad ::Layers::Position2d.new({x: @xscale, y: @yscale}) @wheel_zoom = ad ::Layers::Wheelzoom.new({xscale: @xscale, yscale: @yscale, updates: [@grid, @xaxis, @yaxis]}.merge(wh)) arg = { dx: (@y_axis_w/2), text: "", font_size: 26, text_anchor: :start, yalign: :center, xalign: :center, margin: {top: 0, bottom: 20, left: 5, right: 5} } @title = ad ::Layers::Label.new(arg) @xlabel = nil @ylabel = nil end |
Instance Attribute Details
#background ⇒ Object
Returns the value of attribute background.
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# File 'lib/nyaplot/plot.rb', line 14 def background @background end |
#grid ⇒ Object
Returns the value of attribute grid.
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# File 'lib/nyaplot/plot.rb', line 14 def grid @grid end |
#xaxis ⇒ Object
Returns the value of attribute xaxis.
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# File 'lib/nyaplot/plot.rb', line 14 def xaxis @xaxis end |
#yaxis ⇒ Object
Returns the value of attribute yaxis.
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# File 'lib/nyaplot/plot.rb', line 14 def yaxis @yaxis end |
Class Method Details
Instance Method Details
#add(chart_type, xarr = nil, yarr = nil, **opts) ⇒ Object
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# File 'lib/nyaplot/plot.rb', line 103 def add(chart_type, xarr=nil, yarr=nil, **opts) self.send(chart_type, @opts.merge(opts)) self end |
#add_dependency(layer) ⇒ Object Also known as: ad
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# File 'lib/nyaplot/plot.rb', line 84 def add_dependency(layer) raise "Layer should be an instance of LayerBase" unless layer.is_a? ::Layers::LayerBase @deps.push(layer) layer end |
#add_temp_dependency(layer) ⇒ Object Also known as: atd
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# File 'lib/nyaplot/plot.rb', line 92 def add_temp_dependency(layer) @temp_deps.push(layer) layer end |
#add_with_df(df, chart_type, xlabel, ylabel) ⇒ Object
deprecated.
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# File 'lib/nyaplot/plot.rb', line 109 def add_with_df(df, chart_type, xlabel, ylabel) # TODO self end |
#clear_temp_dependency ⇒ Object
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# File 'lib/nyaplot/plot.rb', line 99 def clear_temp_dependency @temp_deps = [] end |
#column(r, l, opts = {}) ⇒ Object
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# File 'lib/nyaplot/plot.rb', line 170 def column(r, l, opts={}) r = r.to_node if r.is_a? ::Layers::LayerBase l = l.to_node if l.is_a? ::Layers::LayerBase cl = atd ::Layers::Column.new(opts) cl.to_node([r, l]) end |
#decide_domain(arrs, scale_type) ⇒ Object
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# File 'lib/nyaplot/plot.rb', line 194 def decide_domain(arrs, scale_type) if scale_type.nil? scale_type = (arrs.all?{|arr| arr.length==2 && arr.all?{|v| v.is_a?(Numeric)}}) ? "linear" : "ordinal" end [scale_type, (case scale_type.to_s when "time" then [] # TODO when "ordinal"then arrs.flatten.uniq when "linear", "pow", "log" then [ arrs.map{|arr| arr[0]}.min, arrs.map{|arr| arr[1]}.max ] end)] end |
#decide_xdomain(scale_type) ⇒ Object
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# File 'lib/nyaplot/plot.rb', line 184 def decide_xdomain(scale_type) arrs = @charts.map{|c| c.xdomain} decide_domain(arrs, scale_type) end |
#decide_ydomain(scale_type) ⇒ Object
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# File 'lib/nyaplot/plot.rb', line 189 def decide_ydomain(scale_type) arrs = @charts.map{|c| c.ydomain} decide_domain(arrs, scale_type) end |
#row(t, b, opts = {}) ⇒ Object
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# File 'lib/nyaplot/plot.rb', line 177 def row(t, b, opts={}) t = t.to_node if t.is_a? ::Layers::LayerBase b = b.to_node if b.is_a? ::Layers::LayerBase rw = atd ::Layers::Row.new(opts) rw.to_node([t, b]) end |
#stack(me, children) ⇒ Object
s methods for #to_json ##
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# File 'lib/nyaplot/plot.rb', line 165 def stack(me, children) children = children.map{|c| c.is_a?(::Layers::LayerBase) ? c.to_node([]) : c} me.to_node(children) end |
#title(txt) ⇒ Object
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# File 'lib/nyaplot/plot.rb', line 114 def title(txt) @title.text(txt) self end |
#to_json(*args) ⇒ Object
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# File 'lib/nyaplot/plot.rb', line 212 def to_json(*args) ## decide domain xscale_, xdomain = @xdomain.nil? ? decide_xdomain(@xscale.type) : [@xscale.type, @xdomain] yscale_, ydomain = @ydomain.nil? ? decide_ydomain(@yscale.type) : [@yscale.type, @ydomain] @xscale.type xscale_ @xscale.domain xdomain @yscale.type yscale_ @yscale.domain ydomain ## create layout tree c = stack(@context, @glyphs) c = stack(@grid, [c]) c = stack(@background, [c]) # c = stack(@tooltip, [c]) if xscale_ != "ordinal" && yscale_ != "ordinal" @wheel_zoom.updates(@wheel_zoom.updates + @glyphs) c = stack(@wheel_zoom, [c]) end c = column(@yaxis, row(c, @xaxis), {margin: {top: 10, bottom: 15, left: 15, right: 15}}) c = row(c, @xlabel) unless @xlabel.nil? c = column(@ylabel, c) unless @ylabel.nil? #c = column(c, @legend) c = row(@title, c) unless @title.nil? c = stack(@stage, [c]) c[:parser_type] = "svg" defs = @deps + @temp_deps + @glyphs clear_temp_dependency { uuid: SecureRandom.uuid, defs: defs, layout: c }.to_json end |
#xdomain(arr) ⇒ Object
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# File 'lib/nyaplot/plot.rb', line 153 def xdomain(arr) @xdomain = arr self end |
#xlabel(txt) ⇒ Object
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# File 'lib/nyaplot/plot.rb', line 119 def xlabel(txt) arg = { dx: @y_axis_w/2, text: txt, xalign: :center, dominant_baseline: "text-before-edge" } @xlabel = ad ::Layers::Label.new(arg) self end |
#xscale(type) ⇒ Object
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# File 'lib/nyaplot/plot.rb', line 141 def xscale(type) raise "Not supported." unless [:time, :linear, :log, :pow, :ordinal].index type @xscale.type type self end |
#ydomain(arr) ⇒ Object
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# File 'lib/nyaplot/plot.rb', line 158 def ydomain(arr) @ydomain = arr self end |
#ylabel(txt) ⇒ Object
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# File 'lib/nyaplot/plot.rb', line 130 def ylabel(txt) arg = { text: txt, rotate: -90, xalign: :center, yalign: :center } @ylabel = ad ::Layers::Label.new(arg) self end |
#yscale(type) ⇒ Object
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# File 'lib/nyaplot/plot.rb', line 147 def yscale(type) raise "Not supported." unless [:time, :linear, :log, :pow, :ordinal].index type @yscale.type type self end |