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Old 04-22-2010, 11:07 PM   #1
GregorRichards
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Join Date: Apr 2010
Device: DR800SG
gnuplot (2D/3D plotting program) for DR800

Just for giggles I ported gnuplot to the DR800. The plots are actually really beautiful, but the program is a bit of a PITA to use right now. Latest version is gnuplot-4.4.0-dr-2010-04-28.

BUGS:
When the plot window closes, it closes the keyboard with it, and gnuplot doesn't know what happened. Press the page bar (hit enter) to redisplay the keyboard.

In spite of this, it is usable. Also in the box is rxvt, erkeyman. Uses wxGTK, which was a trivial port.

Just extract to your SD card and run. Type in "splot x**2+y" for an example graph. You will be blown away by how beautiful graphs are on eInk. I don't know whether it has any real use, but it's really, really pretty. Type "quit" to quit (if you don't do this, it'll happily float along in the background, which is no good :P )

EDIT 2010-04-23: Later the same day, updated to refresh less often.
EDIT 2010-04-28: Lots of fixes now that I have a much keener grasp of how the iRex works.
Attached Files
File Type: bz2 gnuplot-4.4.0-dr800-source.tar.bz2 (6.1 KB, 112 views)
File Type: zip gnuplot-4.4.0-dr800.zip (1.48 MB, 148 views)
File Type: bz2 gnuplot-4.4.0-dr-2010-04-28-source.tar.bz2 (7.0 KB, 104 views)
File Type: zip gnuplot-4.4.0-dr-2010-04-28.zip (1.47 MB, 143 views)

Last edited by GregorRichards; 04-28-2010 at 02:31 AM. Reason: New version.
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Old 04-23-2010, 07:37 PM   #2
akey
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Device: iRex ...
That is quite possibly the coolest things I've seen in quite a while. Great work and I can't wait to pick up my DR800 so I can try this out.

Thanks
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Old 04-24-2010, 02:53 PM   #3
Mackx
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Location: Netherlands
Device: iRex DR1000S
The binary also runs on the DR1000 R2.0 beta (although I am not sure what to do with it).
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Old 04-28-2010, 02:32 AM   #4
GregorRichards
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Posts: 60
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Device: DR800SG
Mackx: It's a general-purpose (although not hugely user-friendly unless you're a programmer) graphing tool. Try typing "splot y**2+x" or "plot x**3" for some example graphs (3D and 2D, respectively. There's very little purpose to doing these graphs on the iRex, but seeing them on the eInk screen is downright gorgeous
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