Class: NumRu::GPhys::Grib::GribPDS

Inherits:
Object
  • Object
show all
Includes:
NumRu::GPhys::GribUtils
Defined in:
lib/numru/gphys/grib.rb

Overview

end definition of class GribIS

Instance Method Summary collapse

Instance Method Details

#ave ⇒ Object 



652
653
654
 
# File 'lib/numru/gphys/grib.rb', line 652

def ave
  return @pds.to_uint2(18)
end

#bms? ⇒ Boolean

Returns:

  • (Boolean) 


501
502
503
504
 
# File 'lib/numru/gphys/grib.rb', line 501

def bms?
  flag = @pds.to_uint1(4)
  return (flag>>6)&1==1
end

#center ⇒ Object 



459
460
461
 
# File 'lib/numru/gphys/grib.rb', line 459

def center
  return CENTERS[cid]
end

#date ⇒ Object 



613
614
615
616
617
618
619
 
# File 'lib/numru/gphys/grib.rb', line 613

def date
  d = Date.new((@pds.to_uint1(21)-1)*100 + @pds.to_uint1(9),
               @pds.to_uint1(10), @pds.to_uint1(11)
               )
  h = [@pds.to_uint1(12), @pds.to_uint1(13)]
  return [d,h]
end

#dfact ⇒ Object 



676
677
678
 
# File 'lib/numru/gphys/grib.rb', line 676

def dfact
  return str2int2( @pds[23,2] )
end

#gds? ⇒ Boolean

Returns:

  • (Boolean) 


482
483
484
485
 
# File 'lib/numru/gphys/grib.rb', line 482

def gds?
  flag = @pds.to_uint1(4)
  return (flag>>7)&1==1
end

#get ⇒ Object 



684
685
686
 
# File 'lib/numru/gphys/grib.rb', line 684

def get
  uint2str(length,3)<<@pds
end

#gid ⇒ Object 



474
475
476
 
# File 'lib/numru/gphys/grib.rb', line 474

def gid
  return @pds.to_uint1(3)
end

#initial ⇒ Object 



598
599
600
 
# File 'lib/numru/gphys/grib.rb', line 598

def initial
  return [@pds.to_uint1(21), @pds.to_uint1(9), @pds.to_uint1(10), @pds.to_uint1(11),  @pds.to_uint1(12), @pds.to_uint1(13)]
end

#length ⇒ Object 



448
449
450
 
# File 'lib/numru/gphys/grib.rb', line 448

def length
  @pds.length+3
end

#miss ⇒ Object 



660
661
662
 
# File 'lib/numru/gphys/grib.rb', line 660

def miss
  return @pds.to_uint1(20)
end

#name ⇒ Object 



519
520
521
 
# File 'lib/numru/gphys/grib.rb', line 519

def name
  return param[0]
end

#p1 ⇒ Object 



628
629
630
 
# File 'lib/numru/gphys/grib.rb', line 628

def p1
  return @pds.to_uint1(15)
end

#p2 ⇒ Object 



636
637
638
 
# File 'lib/numru/gphys/grib.rb', line 636

def p2
  return @pds.to_uint1(16)
end

#pid ⇒ Object 



466
467
468
 
# File 'lib/numru/gphys/grib.rb', line 466

def pid
  return @pds.to_uint1(2)
end

#set_ave(val) ⇒ Object Also known as: ave= 



655
656
657
658
 
# File 'lib/numru/gphys/grib.rb', line 655

def set_ave(val)
  @pds[18,2] = uint2str(val,2)
  return val
end

#set_bms(bms) ⇒ Object Also known as: bms= 



505
506
507
508
509
510
511
512
513
514
515
516
517
 
# File 'lib/numru/gphys/grib.rb', line 505

def set_bms(bms)
  flag = gds? ? 128 : 0
  if bms
    flag += 64
    @pds[4..4] = uint2str(flag,1)
    @sgm.bms.exist
    return true
  else
    @pds[4..4] = uint2str(flag,1)
    @sgm.bms.not_exist
    return false
  end
end

#set_center_id(id) ⇒ Object Also known as: center_id= 



462
463
464
 
# File 'lib/numru/gphys/grib.rb', line 462

def set_center_id(id)
  @pds[1..1] = uint2str(id,1)
end

#set_dfact(val) ⇒ Object Also known as: dfact= 



679
680
681
682
 
# File 'lib/numru/gphys/grib.rb', line 679

def set_dfact(val)
  @pds[23..24] = int2str(val,2)
  return val
end

#set_gds(gds) ⇒ Object Also known as: gds= 



486
487
488
489
490
491
492
493
494
495
496
497
498
499
 
# File 'lib/numru/gphys/grib.rb', line 486

def set_gds(gds)
  flag = bms? ? 64 : 0
  if gds
    flag += 128
    @pds[4..4] = uint2str(flag,1)
    @sgm.gds.exist
    set_gid(255)
    return true
  else
    @pds[4..4] = uint2str(flag,1)
    @sgm.gds.not_exist
    return false
  end
end

#set_gid(id) ⇒ Object Also known as: gid= 



477
478
479
480
 
# File 'lib/numru/gphys/grib.rb', line 477

def set_gid(id)
  @pds[3..3] = uint2str(id,1)
  return id
end

#set_initial(year, month, day, hour, min) ⇒ Object Also known as: initial= 



601
602
603
604
605
606
607
608
609
610
611
 
# File 'lib/numru/gphys/grib.rb', line 601

def set_initial(year,month,day,hour,min)
  cent = year/100+1
  year = year%100
  @pds[21,1] = uint2str(cent,1)
  @pds[9,1] = uint2str(year,1)
  @pds[10,1] = uint2str(month,1)
  @pds[11,1] = uint2str(day,1)
  @pds[12,1] = uint2str(hour,1)
  @pds[13,1] = uint2str(min,1)
  return initial
end

#set_miss(val) ⇒ Object Also known as: miss= 



663
664
665
666
 
# File 'lib/numru/gphys/grib.rb', line 663

def set_miss(val)
  @pds[20,1] = uint2str(val,1)
  return val
end

#set_name_id(id) ⇒ Object Also known as: name_id= 



525
526
527
528
 
# File 'lib/numru/gphys/grib.rb', line 525

def set_name_id(id)
  @pds[5..5] = uint2str(id,1)
  return id
end

#set_p1(i) ⇒ Object Also known as: p1= 



631
632
633
634
 
# File 'lib/numru/gphys/grib.rb', line 631

def set_p1(i)
  @pds[15,1] = uint2str(i,1)
  return i
end

#set_p2(i) ⇒ Object Also known as: p2= 



639
640
641
642
 
# File 'lib/numru/gphys/grib.rb', line 639

def set_p2(i)
  @pds[16,1] = uint2str(i,1)
  return i
end

#set_pid(id) ⇒ Object Also known as: pid= 



469
470
471
472
 
# File 'lib/numru/gphys/grib.rb', line 469

def set_pid(id)
  @pds[2..2] = uint2str(id,1)
  return id
end

#set_sub_center_id(id) ⇒ Object Also known as: sub_center_id= 



671
672
673
674
 
# File 'lib/numru/gphys/grib.rb', line 671

def set_sub_center_id(id)
  @pds[22,1] = uint2str(id,1)
  return id
end

#set_time_range_id(id) ⇒ Object Also known as: time_range_id= 



647
648
649
650
 
# File 'lib/numru/gphys/grib.rb', line 647

def set_time_range_id(id)
  @pds[17,1] = uint2str(id,1)
  return id
end

#set_time_unit_id(id) ⇒ Object Also known as: time_unit_id= 



623
624
625
626
 
# File 'lib/numru/gphys/grib.rb', line 623

def set_time_unit_id(id)
  @pds[14,1] = uint2str(id,1)
  return id
end

#set_version(ver) ⇒ Object Also known as: version= 



454
455
456
457
 
# File 'lib/numru/gphys/grib.rb', line 454

def set_version(ver)
  @pds[0..0] = uint2str(ver,1)
  return ver
end

#set_z_id(id) ⇒ Object Also known as: z_id= 



550
551
552
553
 
# File 'lib/numru/gphys/grib.rb', line 550

def set_z_id(id)
  @pds[6..6] = uint2str(id,1)
  return id
end

#set_z_value(val) ⇒ Object Also known as: z_value= 



583
584
585
586
587
588
589
590
591
592
593
594
595
596
 
# File 'lib/numru/gphys/grib.rb', line 583

def set_z_value(val)
  type = @pds.to_uint1(6)
  ary = Z_LEVELS[type]
  val.length==ary.length || raise("length of val is not collect")
  if val.length==1
    @pds[7,2] = uint2str(val[0],2)
  elsif val.length==2
    @pds[7,1] = uint2str(val[0],1)
    @pds[8,1] = uint2str(val[1],1)
  else
    raise "length of val is too large"
  end
  return val
end

#sname ⇒ Object 



530
531
532
533
534
535
536
 
# File 'lib/numru/gphys/grib.rb', line 530

def sname
  zid = @pds.to_uint1(6)
  sn = param[1]
  zt = Z_TYPES[zid]
  zn = zt ? zt[1] : zid.to_s
  return zn=="level" ? sn : sn+"_"+zn
end

#standard_name ⇒ Object 



522
523
524
 
# File 'lib/numru/gphys/grib.rb', line 522

def standard_name
  return param[3]
end

#sub_center ⇒ Object 



668
669
670
 
# File 'lib/numru/gphys/grib.rb', line 668

def sub_center
  return @pds.to_uint1(22)
end

#time_range ⇒ Object 



644
645
646
 
# File 'lib/numru/gphys/grib.rb', line 644

def time_range
  return @pds.to_uint1(17)
end

#time_unit ⇒ Object 



620
621
622
 
# File 'lib/numru/gphys/grib.rb', line 620

def time_unit
  return TIME_UNITS[ @pds.to_uint1(14) ]
end

#unit ⇒ Object 



537
538
539
 
# File 'lib/numru/gphys/grib.rb', line 537

def unit
  return param[2]
end

#version ⇒ Object 



451
452
453
 
# File 'lib/numru/gphys/grib.rb', line 451

def version
  return @pds.to_uint1
end

#z_sname ⇒ Object 



555
556
557
558
559
560
561
562
563
 
# File 'lib/numru/gphys/grib.rb', line 555

def z_sname
  zid = @pds.to_uint1(6)
  if zn = Z_TYPES[zid]
    return zn[1]
  else
    warn "z type (#{zid}) is not defined yet"
    return "unknown_#{zid}"
  end
end

#z_type ⇒ Object 



540
541
542
543
544
545
546
547
548
549
 
# File 'lib/numru/gphys/grib.rb', line 540

def z_type
  zid = @pds.to_uint1(6)
  zt = Z_TYPES[zid]
  if zt
    return zt[0]
  else
    warn "z type (#{zid}) is not defined yet"
    return zid.to_s
  end
end

#z_value ⇒ Object 



564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
 
# File 'lib/numru/gphys/grib.rb', line 564

def z_value
  return @z_value if @z_value
  type = @pds.to_uint1(6)
  str = @pds[7,2]
  ary = Z_LEVELS[type]
  if ary.nil?
    ary = []
  else
    ary = ary.dup
  end
  if ary.length==1
    ary[0] = ary[0].dup.update( {"value"=> str.to_uint2} )
  elsif ary.length==2
    ary[0] = ary[0].dup.update( {"value"=> str.to_uint1} )
    ary[1] = ary[1].dup.update( {"value"=> str.to_uint1(1)} )
  end
  @z_value = ary
  return ary
end