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Re: tmp gets full when plotting many images
From: |
Daniel J Sebald |
Subject: |
Re: tmp gets full when plotting many images |
Date: |
Mon, 26 Mar 2007 17:35:43 -0500 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20041020 |
John W. Eaton wrote:
On 26-Mar-2007, Daniel J Sebald wrote:
|
| It seems to me that the use of the 4 columns is ultimately the same once gnuplot
| takes 1,2,3,4,5,... and maps it to [0,1].
|
| Anyway, here's a patch to illustrate using binary data. Give it a try and see
| if you like it. (If you want to stay ASCII, remove the "binary" portion of the
| option and use fprintf instead.) It shouldn't be too difficult to make the
| changes for sending the line/surface/image data as binary as well.
I applied the patch and checked it in.
Oops, have to be a "little" bit careful (ar, ar). Here are some more subtle
changes addressing endian declaration to ensure things work across multiple
platforms and CPUs.
Dan
--- /usr/local/src/octave-cvs/octave/scripts/plot/__go_draw_axes__.m
2007-03-26 17:26:05.000000000 -0500
+++ ./__go_draw_axes__.m 2007-03-26 17:31:23.491097333 -0500
@@ -296,11 +296,11 @@
## is called.
[img_fid, img_fname] = mkstemp (fullfile (P_tmpdir,
"gpimageXXXXXX"), 1);
if (ndims (img_data) == 3)
- fwrite (img_fid, permute (img_data, [3, 1, 2])(:), "float");
+ fwrite (img_fid, permute (img_data, [3, 1, 2])(:), "float", 0,
"ieee-le");
format = "1:2:3";
imagetype = "rgbimage";
else
- fwrite (img_fid, img_data(:), "float");
+ fwrite (img_fid, img_data(:), "float", 0, "ieee-le");
format = "1";
imagetype = "image";
## Only need to set pallete once because it doesn't change
@@ -312,7 +312,7 @@
"set palette positive color model RGB maxcolors %i;\n",
palette_size);
fprintf (plot_stream,
- "set palette file \"-\" binary record=%d using
1:2:3:4;\n",
+ "set palette file \"-\" binary endian=little record=%d
using 1:2:3:4;\n",
palette_size);
fwrite (plot_stream, [1:palette_size; img_colormap'],
"float32", 0, "ieee-le");
@@ -322,7 +322,7 @@
filespec{data_idx} = img_fname;
titlespec{data_idx} = "";
- usingclause{data_idx} = sprintf ("binary array=%dx%d scan=yx
origin=(%g,%g) dx=%g dy=%g using %s",
+ usingclause{data_idx} = sprintf ("binary endian=little array=%dx%d
scan=yx origin=(%g,%g) dx=%g dy=%g using %s",
x_dim, y_dim, x_origin, y_origin, dx, dy, format);
withclause{data_idx} = sprintf ("with %s", imagetype);
- tmp gets full when plotting many images, Søren Hauberg, 2007/03/26
- Re: tmp gets full when plotting many images, Shai Ayal, 2007/03/26
- tmp gets full when plotting many images, John W. Eaton, 2007/03/26
- Re: tmp gets full when plotting many images, Daniel J Sebald, 2007/03/26
- Re: tmp gets full when plotting many images, Daniel J Sebald, 2007/03/26
- Re: tmp gets full when plotting many images, John W. Eaton, 2007/03/26
- Re: tmp gets full when plotting many images, Daniel J Sebald, 2007/03/26
- Re: tmp gets full when plotting many images, John W. Eaton, 2007/03/26
- Re: tmp gets full when plotting many images, Daniel J Sebald, 2007/03/26
- Re: tmp gets full when plotting many images, John W. Eaton, 2007/03/26
- Re: tmp gets full when plotting many images,
Daniel J Sebald <=
- Re: tmp gets full when plotting many images, John W. Eaton, 2007/03/26
- Message not available
- Re: tmp gets full when plotting many images, John W. Eaton, 2007/03/26
- Re: tmp gets full when plotting many images, John W. Eaton, 2007/03/26
- Re: tmp gets full when plotting many images, Alex Zvoleff, 2007/03/26
- Re: tmp gets full when plotting many images, Daniel J Sebald, 2007/03/27
- Re: tmp gets full when plotting many images, Przemek Klosowski, 2007/03/26
- Re: tmp gets full when plotting many images, John W. Eaton, 2007/03/26
- Re: tmp gets full when plotting many images, Daniel J Sebald, 2007/03/26
- Re: tmp gets full when plotting many images, Przemek Klosowski, 2007/03/27
- Re: tmp gets full when plotting many images, Michael Goffioul, 2007/03/27