First, my original request.
----- Begin Included Message -----
We are looking for a scientific plotting tool/package which can be
used stand-alone, or be called from within a C or Fortran program.
It would be nice to use an emerging standard, or a current (de-facto?)
standard.
Please let me know what you use. Do you like it? Good/bad points, etc.
As usual, I will post a summary.
Thanks, Don
----- End Included Message -----
Well, as I expected the responses look a bit like a scatter-graph. Here is
a highly compressed review of the products recommended, and the number of
people who recommended each
Package Replies
Gnuplot 2 - good interactive PD software.
- Supports Postscript
- no programatic interface, but can open a
pipe to it and do it that way. (prog | gnuplot)
IMSL 2 - interactive; C/Fortran callable, free trial avail.
PVWave 1
Figaro from Liant corp 2 - C and Fortran callable
- Phigs based
- Figaro+ is long winded but complete
- FigGraph is a higher level interface.
- sort of like an updated DISSPLA.
Uniras 1
Mongo 1 - PD
- Well written
- easy to use plotting package.
Super Mongo (smongo) 1 - Improved version of Mongo
- better IO device support
- ~$250
{ both Mongo packages have interactive and funtion interfaces and are
quick and easy to learn}
GMT 1 - PD
- clean C code
- lots of documentation
- supports postscript output
xvgr - OpenLook/Sun 2 - PD, described as powerful
xmgr - Motif/HP/DEC/RS6000
NCAR Autograph 1
ACE/gr 1 - PD
- good XY plotting tool for X
- good funtions/options, many std output formats
TempleGraph 1 - good for quick looks and some data manipulation.
ATAPLOT 1 - Very established product developed on HP
- should run on most reasonable UNIX platforms now.
There was one very special reply from hal@mpl.UCSD.EDU, who provided his
results of 4 months of work evaluating many plotting packages. I am includeing
his whole reply for the common benefit on the net. His only request was
"Feel free to post this to the net with a disclaimer about
accuracy (I sure don't guarantee it but I think I have most
of it right)."
----- Begin Included Message -----
>From hal@mpl.UCSD.EDU Tue Apr 28 13:17:57 1992
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Date: Tue, 28 Apr 92 10:23:04 PDT
From: hal@mpl.UCSD.EDU (Hal Skelly)
Message-Id: <9204281723.AA05099@lambis.UCSD.EDU>
To: don@mars.dgrc.doc.ca
Subject: Re: plotting packages
Content-Type: X-sun-attachment
Status: RO
----------
X-Sun-Data-Type: text
X-Sun-Data-Description: text
X-Sun-Data-Name: text
X-Sun-Content-Lines: 14
Dear Don,
I've just spent (and continue to spend) the last 4 months trying out plotting
software for the Marine Physical Lab, Scripps Institution of Oceanography.
I'm enclosing a text summary and graphic table of comparisons. Most of our
data is in a local binary file format know as (suprisingly) SIO data. Most of
our users are concerned with an easy interface between that format and any
package. I have noted however the input options available. Virtually all of
them read raw ascii input. Feel free to post this to the net with a disclaimer
about accuracy (I sure don't guarantee it but I think I have most of it right).
Hal Skelly, System Administrator for the Marine Physical Lab
Scripps Institution of Oceanography, Univ. of Calif. San Diego
Internet: hal@mpl.ucsd.edu, voice (619) 534-5954
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/k cynu magu min yelu min def
/u k currentundercolorremoval exec def
nredt indx 1 0 cynu u sub max sub redt exec put
ngreent indx 1 0 magu u sub max sub grnt exec put
nbluet indx 1 0 yelu u sub max sub blut exec put
ngrayt indx 1 k currentblackgeneration exec sub gryt exec put
} for
{255 mul cvi nredt exch get}
{255 mul cvi ngreent exch get}
{255 mul cvi nbluet exch get}
{255 mul cvi ngrayt exch get}
setcolortransfer
{pop 0} setundercolorremoval
{} setblackgeneration
} bind def
/tran FMLOCAL
/fakecolorsetup {
/tran 256 string def
0 1 255 {/indx exch def
tran indx
red indx get 77 mul
green indx get 151 mul
blue indx get 28 mul
add add 256 idiv put} for
currenttransfer
{255 mul cvi tran exch get 255.0 div}
exch Fmcc settransfer
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/BITMAPCOLOR {
/d 8 def
gsave
translate rotate scale /h exch def /w exch def
/bitmapsave save def
colorsetup
/is w d wbytes string def
/cf currentfile def
w h d [w 0 0 h neg 0 h]
{cf is readhexstring pop} {is} {is} true 3 colorimage
bitmapsave restore
grestore
} bind def
/BITMAPCOLORc {
/d 8 def
gsave
translate rotate scale /h exch def /w exch def
/lb w d wbytes def
sl lb lt {lb ms} if
/bitmapsave save def
colorsetup
/is im 0 lb getinterval def
ws 0 lb getinterval is copy pop
/cf currentfile def
w h d [w 0 0 h neg 0 h]
{ip} {is} {is} true 3 colorimage
bitmapsave restore
grestore
} bind def
/BITMAPTRUECOLORc {
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translate rotate scale /h exch def /w exch def
/bitmapsave save def
/is w string def
ws 0 w getinterval is copy pop
/cf currentfile def
w h 8 [w 0 0 h neg 0 h]
{ip} {gip} {bip} true 3 colorimage
bitmapsave restore
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/BITMAPTRUECOLOR {
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translate rotate scale /h exch def /w exch def
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/gis w string def
/bis w string def
/cf currentfile def
w h 8 [w 0 0 h neg 0 h]
{ cf is readhexstring pop }
{ cf gis readhexstring pop }
{ cf bis readhexstring pop }
true 3 colorimage
bitmapsave restore
grestore
} bind def
/BITMAPTRUEGRAYc {
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translate rotate scale /h exch def /w exch def
/bitmapsave save def
/is w string def
ws 0 w getinterval is copy pop
/cf currentfile def
w h 8 [w 0 0 h neg 0 h]
{ip gip bip w gray} image
bitmapsave restore
grestore
} bind def
/ww FMLOCAL
/r FMLOCAL
/g FMLOCAL
/b FMLOCAL
/i FMLOCAL
/gray {
/ww exch def
/b exch def
/g exch def
/r exch def
0 1 ww 1 sub { /i exch def r i get .299 mul g i get .587 mul
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r
} bind def
/BITMAPTRUEGRAY {
gsave
translate rotate scale /h exch def /w exch def
/bitmapsave save def
/is w string def
/gis w string def
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/cf currentfile def
w h 8 [w 0 0 h neg 0 h]
{ cf is readhexstring pop
cf gis readhexstring pop
cf bis readhexstring pop w gray} image
bitmapsave restore
grestore
} bind def
/BITMAPGRAY {
8 {fakecolorsetup} COMMONBITMAP
} bind def
/BITMAPGRAYc {
8 {fakecolorsetup} COMMONBITMAPc
} bind def
/ENDBITMAP {
} bind def
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/ALDsave FMLOCAL
/ALDmatrix matrix def ALDmatrix currentmatrix pop
/StartALD {
/ALDsave save def
savematrix
ALDmatrix setmatrix
} bind def
/InALD {
restorematrix
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ALDsave restore
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0 12 Q
0 X
0 K
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(Cut \050overall\051) 46.96 683.16 T
(X1) 46.96 504.32 T
(1/OpenW) 61.18 504.32 T
(indows/Motif) 107.33 504.32 T
(Fonts) 46.96 718.59 T
(-regions) 88.15 652.86 T
(-points) 88.15 668.01 T
(V) 46.96 698.3 T
(alue locator) 54.29 698.3 T
(PostScript output) 46.96 640.81 T
(Easy 2D graph) 46.96 592.26 T
(Magnify area) 46.96 607.41 T
(Input \050overall\051) 46.96 578.49 T
(-SIO data) 46.96 564.5 T
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(Portable) 46.96 519.49 T
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(Axes arbitrary dir) 46.96 380.18 T
(.) 131.57 380.18 T
(Demo available) 46.96 365.03 T
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(Polar plots axis labelling) 46.96 334.73 T
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(Exact inch:inch scaling) 46.96 258.99 T
(Licensing) 46.96 243.84 T
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(PV) 253.57 745 T
(-W) 267.79 745 T
(ave) 282.15 745 T
(KHOROS) 314.64 745 T
(XVGR) 379.44 745 T
(Gnuplot) 437.23 745 T
(PlotXY) 497.69 745 T
(DADisp) 556.33 745 T
(Robot) 622.26 745 T
(Package Name) 194.95 767.32 T
35 728 721 728 2 L
0.5 H
2 Z
N
35 712.82 721 712.82 2 L
N
35 697.64 721 697.64 2 L
N
35 682.46 721 682.46 2 L
N
35 667.27 721 667.27 2 L
N
35 652.09 721 652.09 2 L
N
35 635.11 721 635.11 2 L
N
35 621.73 721 621.73 2 L
N
35 606.55 721 606.55 2 L
N
35 589.16 721 589.16 2 L
N
35 573.4 721 573.4 2 L
N
34.17 561 720.17 561 2 L
N
35 545.82 721 545.82 2 L
N
35 530.64 721 530.64 2 L
N
35 513.92 721 513.92 2 L
N
35 498.77 721 498.77 2 L
N
35 485.09 721 485.09 2 L
N
35 469.91 721 469.91 2 L
N
35 454.73 721 454.73 2 L
N
35 439.55 721 439.55 2 L
N
35 424.36 721 424.36 2 L
N
35 409.18 721 409.18 2 L
N
35 394 721 394 2 L
N
35 378.82 721 378.82 2 L
N
35 348.45 721 348.45 2 L
N
35 363.64 721 363.64 2 L
N
35 333.27 721 333.27 2 L
N
35 318.09 721 318.09 2 L
N
35 302.91 721 302.91 2 L
N
32.14 286.3 718.14 286.3 2 L
N
35 272.55 721 272.55 2 L
N
35 257.36 721 257.36 2 L
N
35 240.4 721 240.4 2 L
N
35 227 721 227 2 L
N
36 738.61 722 738.61 2 L
3 H
N
33.12 755.75 722.25 756.85 2 L
N
35 224.86 721 224.86 2 L
N
33 752 32 223 2 L
N
724 757 723 228 2 L
N
187.6 754.95 186.6 225.95 2 L
N
250.63 755.71 250.63 229.71 2 L
1 H
N
309.74 755 309.74 229 2 L
N
368.85 755 368.85 229 2 L
N
427.96 755 427.96 229 2 L
N
487.07 754.05 487.07 229.05 2 L
N
546.17 756.31 546.17 230.31 2 L
N
605.28 755 605.28 229 2 L
N
(Features:) 89.02 744.32 T
(SIOPS) 202.06 745 T
(hershey) 200.63 718.28 T
(++) 273.39 718.28 T
(++) 332.53 718.28 T
(++) 389.7 718.28 T
(+) 453.9 718.28 T
(-) 514.06 716.83 T
(-) 217.28 703.17 T
(+) 214.19 685.17 T
(+) 214.19 656.17 T
(-) 215.58 670 T
(+/-) 210.53 640.81 T
(-) 215.58 626.17 T
(+) 214.19 595.22 T
(+) 214.19 578.49 T
(+) 214.19 564.5 T
(-) 214.75 550.33 T
(+) 213.84 538.35 T
(-) 216.65 519.49 T
(-) 216.65 504.32 T
(-) 216.65 489.78 T
(+) 215.27 476.21 T
(+) 215.27 459.78 T
(+) 215.27 446.21 T
(+) 215.27 429.07 T
(+) 215.27 416.21 T
(+) 215.27 401.21 T
(+) 215.27 385.5 T
(yes) 210.87 367 T
(+) 215.27 355.5 T
(+) 215.27 324.78 T
(+) 215.27 309.78 T
(-) 216.65 279.07 T
(+) 215.27 264.78 T
(none) 206.99 247 T
(0) 216 231.16 T
(-) 455.29 701.29 T
(-) 455.29 688.43 T
(+/-) 450.24 672.71 T
(-) 455.29 656.29 T
(+) 453.9 640.81 T
(++) 450.52 626.17 T
(-) 455.29 611.29 T
(++) 450.52 595.22 T
(+) 453.9 578.49 T
(via siod) 438.94 564.5 T
(+) 453.07 550.33 T
(+) 453.9 535.57 T
(++) 450.52 519.49 T
(+) 440.28 504.32 T
(++) 450.52 489.86 T
(++) 450.52 474.86 T
(++) 450.52 460.57 T
(++) 450.52 442 T
(+) 453.9 429.14 T
(++) 450.52 412.71 T
(+) 453.9 398.43 T
(+) 453.9 383.43 T
(yes) 449.29 367 T
(+/-) 450.24 352 T
(-) 455.29 337.71 T
(yes) 449.29 322.89 T
(+) 453.9 307 T
(-) 455.29 291.28 T
(-) 455.29 278.43 T
(-) 455.29 262.71 T
(none) 445.63 247 T
(0) 452.26 231.16 T
(-) 215 611.17 T
(+) 393.08 702.88 T
(++) 389.7 684.88 T
(++) 389.7 672.95 T
(++) 389.7 657.88 T
(++) 389.7 640.81 T
(++) 389.7 626.17 T
(-) 394.47 612.88 T
(++) 389.7 595.22 T
(++) 389.7 578.49 T
(via siod) 377.64 564.5 T
(++) 388.87 550.33 T
(-) 394.47 535.44 T
(++) 389.7 519.49 T
(++) 389.7 504.32 T
(+++) 386.32 489.5 T
(+++) 386.32 473.67 T
(+++) 386.32 457.83 T
(+++) 386.32 443.67 T
(+++) 386.32 429.5 T
(++) 389.7 415.33 T
(++) 389.7 400.33 T
(-) 394.47 384.5 T
(yes) 388.47 367 T
(-) 394.47 351.17 T
(-) 394.47 337.83 T
(2D only) 376.98 322.89 T
(+) 392.62 308.59 T
(-) 394.47 291.17 T
(-) 394.47 277 T
(-) 394.47 263.66 T
(none) 384.81 247 T
(0) 393.82 231.16 T
(++) 273.39 703 T
(-) 278.15 688 T
(-) 278.15 671 T
(-) 278.15 658 T
(++) 273.39 640.81 T
(+++) 270.01 626.17 T
(+/-) 273.11 612 T
(++) 273.39 595.22 T
(+++) 270.01 578.49 T
(?+++) 267.34 564.5 T
(+++) 269.17 550.33 T
(?-) 275.49 537 T
(+/-) 273.11 519.49 T
(++) 273.39 504.32 T
(+++) 270.01 490.33 T
(++) 273.39 472 T
(++) 273.39 457 T
(+++) 270.01 442.83 T
(++) 273.39 430.33 T
(++) 273.39 415.33 T
(++) 273.39 401.17 T
(++) 273.39 383.67 T
(yes) 272.16 367 T
(?) 277.49 353.26 T
(-) 278.15 340.33 T
(?) 277.49 322.83 T
(?) 277.49 306.17 T
(?) 277.49 292.83 T
(-) 278.15 276.16 T
(?) 277.49 260.33 T
(fix/float) 260.83 247 T
(1800-5330) 254.52 231.16 T
(-) 514.06 702.72 T
(-) 514.06 687.71 T
(-) 514.06 671.29 T
(-) 514.06 656.29 T
(+/-) 509.01 640.81 T
(++) 509.29 626.17 T
(-) 514.06 610.57 T
(+) 512.67 595.22 T
(+) 512.67 578.49 T
(via siod) 497.14 564.5 T
(+) 511.84 550.33 T
(++) 509.29 519.49 T
(+) 512.67 504.32 T
(-) 514.06 490.57 T
(+) 512.67 475.57 T
(+) 512.67 460.57 T
(+) 512.67 444.86 T
(-) 514.06 430.57 T
(+) 512.67 414.86 T
(+) 512.67 398.43 T
(+) 512.67 382 T
(yes) 508.06 367 T
(-) 514.06 352.71 T
(-) 514.06 339.14 T
(-) 514.06 324.86 T
(+) 512.67 306.28 T
(-) 514.06 290.57 T
(-) 514.06 278.43 T
(none) 504.4 247 T
(0) 513.41 231.16 T
(++) 573.22 718.28 T
(+) 576.6 702 T
(-) 577.99 686.17 T
(-) 577.99 672 T
(-) 577.99 657 T
(-) 577.99 640.81 T
(+) 576.6 626.17 T
(++) 573.22 611.17 T
(-) 577.99 595.22 T
(+) 576.6 578.49 T
(via siod) 561.16 564.5 T
(+) 575.77 550.33 T
(+) 576.6 519.49 T
(++) 573.22 504.32 T
(+) 576.6 489.5 T
(+) 576.6 474.5 T
(+) 576.6 459.5 T
(+) 576.6 444.5 T
(-) 577.99 428.67 T
(+) 576.6 412 T
(+) 576.6 398.67 T
(-) 577.99 382.83 T
(yes) 571.99 367 T
(-) 577.99 352.83 T
(-) 577.99 337.83 T
(-) 577.99 323.67 T
(+) 576.6 292 T
(-) 577.99 276.16 T
(per copy) 559.17 247 T
(NCAR) 670.33 745 T
663.89 755 664.89 223 2 L
N
(Other Packages: Xgobi, GMT) 46 199 T
(,IDL) 189.01 199 T
(+) 633.54 716.17 T
(+) 633.54 702 T
(-) 634.92 684.5 T
(-) 634.92 669.5 T
(-) 634.92 655.33 T
(+) 633.54 640.81 T
(+) 633.54 626.17 T
(-) 634.92 610.33 T
(++) 630.16 594.5 T
(+) 633.54 578.49 T
(via siod) 612.5 564.5 T
(++) 629.32 550.33 T
(-) 634.92 536.17 T
(+) 633.54 519.49 T
(+) 633.54 504.32 T
(++) 630.16 491.17 T
(+) 633.54 474.5 T
(+) 633.54 460.33 T
(+) 633.54 444.5 T
(+) 633.54 429.5 T
(+) 633.54 413.67 T
(+) 633.54 398.67 T
(yes) 628.93 366.17 T
(-) 634.92 352.83 T
(-) 634.92 339.5 T
(+/-) 629.88 323.67 T
(++) 630.16 306.17 T
(-) 634.92 289.5 T
(-) 634.92 278.66 T
(-) 634.92 262.83 T
(none) 625.26 247 T
(0) 634.27 231.16 T
(-) 337.3 702 T
(-) 337.3 684 T
(-) 337.3 675 T
(-) 337.3 657 T
(++) 332.53 640.81 T
(++) 332.53 626.17 T
(+) 335.91 612 T
(+) 335.91 594 T
(+) 335.91 578.49 T
(via siod) 320.47 564.5 T
(++) 331.7 550.33 T
(-) 337.3 540 T
(++) 332.53 519.49 T
(++) 332.53 504.32 T
(++) 332.53 486 T
(++) 332.53 459 T
(++) 332.53 477 T
(++) 332.53 441 T
(+++) 329.15 432 T
(++) 332.53 414 T
(++) 332.53 396 T
(-) 337.3 387 T
(-) 337.3 357 T
(yes) 331.3 369 T
(-) 337.3 333 T
(+) 335.91 324 T
(-) 337.3 306 T
(+) 335.91 297 T
(+) 335.91 279 T
(-) 337.3 261 T
(none) 327.64 247 T
(0) 336.65 231.16 T
(hershey) 668.34 718.67 T
(+) 683.6 640.81 T
(+) 683.6 626.17 T
(+) 683.6 596.17 T
(+) 683.6 519.49 T
(+) 683.6 504.32 T
(\337oat) 676.32 247 T
(750) 677.99 231.16 T
FMENDPAGE
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----------
X-Sun-Data-Type: default
X-Sun-Data-Description: default
X-Sun-Data-Name: graphics.ascii
X-Sun-Content-Lines: 163
Plotting Graphics
1.0 Packages Reviewed
I've selected 9 packages from a field of about twice that number to
present. They range from the existing SIO plot tools to fully
integrated scientific visualization packages. The commercial packages
are PV-Wave, DADisp, and NCAR. The public domain packages are KHOROS,
XVGR, Gnuplot, PlotXY and Robot. Wherever possible, a demo version of
the program is available. There are further packages arriving that have
yet to be evaluated.
On the attached chart is a summary of some of the properties which
users expressed and interest in having available in each package. In
the following descriptions, a few of the left out parameters are
mentioned as well as specific strengths or weaknesses of the programs.
1.1 SIOPS
These are the standard set of tools used at MPL. They include plot2n,
plot3d, countour, gray, polar, label, cut, paste, symplot, solid, etc..
The impetus to change away from these routines is the complexity of the
plot control file and the lack of interactivity in a workstation
windowing environment. These programs have been optimized to read the
SIO data files and users are generally familiar with the plot control
file functions. There are ways to convert the device independant plot
file output to postscript and then preview them on screen but this is
rarely taken advantage of. Many shell scripts have been developed to
use the programs in data processing streams.
1.2 PV-Wave
The ever-popular PV-Wave comes in 2 flavors now. The first is the
familiar Command Language version (CL) which runs under Sunview and the
new version, Wavepoint, which requires OpenWindows 3. These two
programs have been used here at MPL and do credi- ble jobs with SIO
data. The newer version does not have the extensive capability to
inter- face with C and fortran programs (although it can to a limited
extent). It will also employ some of the existing Command Language
scripts developed here and at NOSC. PV-Wave is a program that is widely
used by NOSC and it would be easy to interface between the 2
institutions. The cost is significant. A single floating point license
is $1800 with a $500 per year maintainence fee. A node locked license
for a 4/490 server is $5330 and $1845/yr. maintainence. The node
locked license runs on one server but any number of users may run it
concurrently. If there was a need to take a copy to sea, it can be
converted to 3 float- ing licenses, one of which can go to sea. This is
handled by the lock managing software and requires a current
maintainence fee.
1.3 KHOROS
This is a highly integrated visualization tool from the University of
New Mexico. The 2 programs of most interest are xprism2 and xprism3
which are 2-D and 3-D plotting respectively. It has very good X11
interface tools to change the attributes of some of the plot elements
(axes, legends, titles, etc.). It will take ASCII input from data-files
which are constructed from sio data files via "siod". It will not work
under sunview. It has no polar plotting capabilities that I can find
and it has no interactive means to edit the data once it is presented
on the screen. In order to put multiple graphs on one page, one must
place them via layout dimensions in the postscript output dialog
boxes. The output files are in a format called viff which all khoros
modules understand. There is a way to convert Matlab files to the viff
format.
1.4 XVGR
Another well thought out, X11 compliant, graphics package, xvgr is
described as "graph- ics for exploratory data analysis". It will plot
up to 10 graphs with 30 sets of data per graph with user defined
scaling, labels, symbols, line styles and colors. It can operate in
batch mode which has the especially interesting capability of acting
within a data stream to dis- play a sort of "live" recording like a
strip chart recorder would. It can cut points and regions from a graph.
Input from sio data files is again via siod. I haven't been able to
define any way to do polar plots and it is not set up to do 3-D
graphics. It also has no way to scale by inches in a straightforward
manner. As a public domain package though, we have access to the source
code and can perhaps form the tools that we need.
1.5 Gnuplot
The same people who brought you emacs and gcc (the Free Software
Foundation) now offer a plotting package, gnuplot. This package is a
command driven plotter (e.g. you are given a prompt, gnuplot>, to which
you feed parameter specifications, input data, and the plot command.)
It displays it's graph to an X11 terminal window or to a file in
various for- mats. The data input is fairly flexible for ASCII formats
and it claims to input r,q but I couldn't get it right. While it will
do contour graphics, it will not do general 3-D graphs. It also fails
on the inch:inch scaling parameter. The manipulation of fonts needs to
be done through the direct manipulation of a postscript output file
1.6 PlotXY
This is a very simple command driven plotter which essentially reads in
ASCII data, plots it and stops. It's latest incarnation includes a
postscript output driver so that the results can be edited directly.
It's default output file is `myplot'. While this package is extremely
easy to use and is fairly adaptable, it's lack of GUI, fonts, polar
plot and 3-D seem to put it in the "also ran" category.
1.7 DADisP
This is a very expensive package whose demo tape totally turned me off.
They had several canned demos of graph types that the package could do.
It can do the normal manipulation of graph attributes and text as in
PV-Wave or XVGR. It has a great adaptability factor in it's ability to
manipulate data once it's in the program's workspace. My problem was
that the demo wouldn't let me input any data into it to try it! I
wasn't able to determine it's capability to edit data points
graphically or to do polar plots. The ability to scale the graph to
inches or other data units was also not apparent. All in all, this
package was a disap- pointment compared to it's vaunted reputation.
1.8 Robot
As a public domain package, Robot is a nice X11 application. It does
lack a lot of the flex- ibility of others. I can't get it to change the
scale of the axes to my specifications. It can place text and change
line attributes easily though and has a good page layout facility
1.9 NCAR graphics
I don't have the demo version yet to give an opinion. I do know it is
limited to hershey, stroked fonts but can make them in severel sizes
and thicknesses. It has postscript output and an X11 interface built on
it. This is the package that is frequently used at SDSC for general
use. The output of NCAR (that's National Center for Atmospheric
Research) is the computer graphics metafile (CGM) which is a "quasi"
standard and is adaptable to other packages.
1.10 IDL
IDL is the company from which PV-Wave developed. The latter specialized
in developing a GUI while the original focused on providing a
development environment. This package is probably more suitable to s/w
developers but the sales-rep claims it's very simple to develop
applications in this language. I've been able to get a canned demo
running on lambis, which give some idea of the range of functions
available. This is basically the same as PV-Wave Command Language.
Martin's programs (sort of) run under it. The cost is $7500 for an
node-locked, multi-user server and $2813 for a floating network
license. These prices are after an educational discount. The advantage
of this program is that it allows one to build one's own application
interface and tools to do just the processing needed. It is probably
more suited to software development environments than ours.
3.0 Feature Comparisons
The attached chart is a ROUGH guide to the difference in features
between programs as best as I could determine. One `+' means this
feature is supported while a `-' means it's not. Multiple pluses imply
a particularly good or easily used feature. `+/-' says that a fea- ture
is there but doesn't work in an intuitive or easy manner. Finally, a
blank means that I wasn't able to determine one way or another.
There is an attached postscript document chart as described in 3.0 above.
I couldn't easily convert it to ascii.
----- End Included Message -----
Many thanks to:
phil@dgbt.doc.ca
ccarpenter@dw3f.ess.harris.com
stefan@centaur.astro.utoronto
era@niwot.scd.ucar.edu
fetro@biostat.washington.edu
pls@pegasus.rice.edu
charest@canr.hydro.qc.ca
ohnielse@ltf.dth.dk
rrichter@ph.gmr.com
djthongs@pheonix.princeton.edu
eckhard@ikarus.ts.go.dlr.de
patti@sse.com
Extra special thanks to hal@mpl.UCSD.EDU
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