Still hangs. My guess is a problem with binary data. I could not see where the input handle was opened and had binmode set. Is there a way to force ascii mode so I could at least see if that is the source of the problem?
--Chris On Tue, Feb 12, 2013 at 10:17 AM, Craig DeForest <[email protected]> wrote: > Hi, Chris, > > Thanks very much for giving this another look! > > Your image example definitely found a bug. The long delay does not happen > for me under either Linux or MacOS. I suspect that there might a problem > with Cygwin IPC that needs to be worked around - the pipe seems to be hanging > up for some reason. > > As a simple test case, why not try > > PDL::Graphics::Gnuplot::image(rvals(5,5)) > > which should produce something very quickly? If *that* doesn't work, then we > need to get someone with a Cygwin system and an afternoon to try to > understand why it is failing. I could do that except for the part about > having a Cygwin system. Would you be willing to let me ssh into your virtual > machine some time? > > Cheers, > Craig > > > > On Feb 12, 2013, at 8:04 AM, Chris Marshall <[email protected]> wrote: > >> Hi Craig- >> >> I'm trying again with the PDL::Graphics::Gnuplot on >> my cygwin/win7 system to sort things out before the >> coming PDL-2.4.12 release. >> >> Starting with the tutorial on the wiki, I have a >> few questions/observations: >> >> - the terminal type seems to need quotes, 'png' >> - how can I list terminal types from perl >> - the default empty string gives terminal type '' >> (this breaks the mouse click examples saying >> that '' terminal does not support it---even though >> the default for my system is 'x11' >> - reading mouse on 'x11' gave no $status hash >> >> Finally, I got a window open and displaying ok, >> so I tried to display an image. Boom! This is >> a bit disheartening since the image was small >> and doing images with plot overlays is specifically >> what I need (often) to comprehend image data. >> >> I'm hoping it is a bug somewhere that can be >> fixed. Here is the output from my pdl2 >> session. The image is a shape [3,320,80] >> float piddle with pixels in [0,1] and badvalues. >> >> pdl> use PDL::Graphics::Gnuplot >> pdl> $hsv40 = get_hsv_frame(40); >> Loading get_hsv_frame.pdl ...found ./crank/get_hsv_frame.pdl >> pdl> PDL::Graphics::Gnuplot::image( {cbrange=>[0,1]}, $hsv40->mv(0,-1) >> ) >> Runtime error: Hmmm, my main Gnuplot process didn't respond for 60 seconds. >> This could be a bug in PDL::Graphics::Gnuplot or gnuplot itself -- >> although for some terminals (like x11) it could be because of a >> slow network. If you don't think it is a network problem, please >> report it as a PDL::Graphics::Gnuplot bug. You might be able to >> ignore this message, or you might have to restart() the object. >> If you are getting this message spuriously, you might like to >> set the "wait" terminal option to a longer value (in seconds). >> at /cygdrive/f/perl/local/lib/perl5/PDL/Graphics/Gnuplot.pm line 6030. >> >> PDL::Graphics::Gnuplot::_checkpoint('PDL::Graphics::Gnuplot=HASH(0x820c3e48)', >> 'main', 'HASH(0x82098438)') called at >> /cygdrive/f/perl/local/lib/perl5/PDL/Graphics/Gnuplot.pm line 2462 >> PDL::Graphics::Gnuplot::plot(undef, undef, >> 'PDL=SCALAR(0x820bdcb0)') called at >> /cygdrive/f/perl/local/lib/perl5/PDL/Graphics/Gnuplot.pm line 3098 >> PDL::Graphics::Gnuplot::image('HASH(0x825d8bb0)', >> 'PDL=SCALAR(0x820bdcb0)') called at (eval 466) line 5 >> pdl> PDL::Graphics::Gnuplot::image( {cbrange=>[0,1]}, >> $hsv40->mv(0,-1)->setbadtoval(0) ) >> Runtime error: Hmmm, my main Gnuplot process didn't respond for 60 seconds. >> This could be a bug in PDL::Graphics::Gnuplot or gnuplot itself -- >> although for some terminals (like x11) it could be because of a >> slow network. If you don't think it is a network problem, please >> report it as a PDL::Graphics::Gnuplot bug. You might be able to >> ignore this message, or you might have to restart() the object. >> If you are getting this message spuriously, you might like to >> set the "wait" terminal option to a longer value (in seconds). >> at /cygdrive/f/perl/local/lib/perl5/PDL/Graphics/Gnuplot.pm line 6030. >> >> PDL::Graphics::Gnuplot::_checkpoint('PDL::Graphics::Gnuplot=HASH(0x820c3e48)', >> 'main', 'HASH(0x825c60c0)') called at >> /cygdrive/f/perl/local/lib/perl5/PDL/Graphics/Gnuplot.pm line 2389 >> PDL::Graphics::Gnuplot::plot(undef, undef, >> 'PDL=SCALAR(0x825ccb28)') called at >> /cygdrive/f/perl/local/lib/perl5/PDL/Graphics/Gnuplot.pm line 3098 >> PDL::Graphics::Gnuplot::image('HASH(0x8210deb0)', >> 'PDL=SCALAR(0x825ccb28)') called at (eval 475) line 5 >> >> Hope this gives you some ideas. Do you have >> a working image example that I could try? >> >> Thanks, >> Chris >> > _______________________________________________ Perldl mailing list [email protected] http://mailman.jach.hawaii.edu/mailman/listinfo/perldl
