problem with figure size

[John W. Eaton]

On  3-Feb-2009, Michael D. Godfrey wrote:

| After a recent update from current hg repository I found
| that figure sizing no longer works correctly for me.
| I use:
| print("haber_fig16.ps","-solid");
| 
| The size of the PS graph is fixed by
|     set(gx, "position", [0.13, 0.11, 0.775, 1.14]);
| This changes the size, but the bounding box is wrong.
| If I use "-debug" and edit the first line which is unconditionally:
| set terminal postscript enhanced size 8,6 portrait mono solid
| to the size that I intended, then I can recover the size that I got
| before the latest changes to gnuplot_drawnow.m
| 
| The text in gnuplot_drawnow.m which generates this line has been changed
| as the diff below shows.   Something in this change has introduced this 
| error:
| Below is an excerpt form the diff of
|  14178 2009-01-30 16:48 gnuplot_drawnow.m
| and
| 12972 2009-01-16 00:07 gnuplot_drawnow.m
| 315,322c294,301
| <   screensize    = get (0, "screensize")(3:4);
| <   t.normalized  = screensize / t.pixels;
| <   fig_size = position(3:4) * (t.pixels / t.(units));
| <   fig_pos  = position(1:2) * (t.pixels / t.(units));
| <   fig_pos(1) = max (min (fig_pos(1), screensize(1)), 10);
| <   fig_pos(2) = max (min (fig_pos(2), screensize(2)), 10);
| <   fig_size(1) = max (min (fig_size(1), screensize(1)), 10-fig_pos(1));
| <   fig_size(2) = max (min (fig_size(2), screensize(2)), 10-fig_pos(2));
| ---
|  >   t.normalized  = get (0, "screensize")(3:4) / t.pixels;
|  >   fig_size = possize * (t.pixels / t.(units));
|  >   if (prod (fig_size) > 1e8)
|  >     warning ("gnuplot_drawnow: figure size is excessive. Reducing to 
| 1024x768.")
|  >     fig_size = [1024, 768];
|  >     position = get (h, "position");
|  >     set (h, "position", [position(1:2), fig_size], "units", "pixels");
|  >   endif
| 325c304
| 
| =======================================================
| 
| I hope this information is sufficient.  A few experiments with
| print("test.ps","-debug");
| will show that the generated gnuplot file is not correct with respect to
| the size values in the first line.

Sorry, I'm having some difficulty understanding exactly what the
problem is.

I don't know what you mean by "a few experiments".  Can you give
complete example that I can run to demonstrate the problem, and
explain exactly what results you expect, and what results you get?

jwe