Sorry for responding to my own posts so much, but... On Jan 4, 2010, at 17:10 , David MacMahon wrote:
Is the "plwid(1)" call in plot2() using an incorrect value to restore the line width?
If I change that call in x01c.c to "plwid(0)", then the final plot in the -saveD postscript file has thicker lines than I got with the original "plwid(1)" call.
Zooming in 10x on the -saveD postscript output (using gv on Linux with no anti-aliasing), I get this 'P' in the caption of the final plot (using xwin driver) after plwid(1)...
<<inline: pastedGraphic.png>>
I get this 'P' in the caption of the final plot (using xwin driver) after plwid(0)...
<<inline: pastedGraphic.png>>
I also see similar behavior in the output file using "-dev psc". The text is the same regardless of plwid (presumably postscript glyphs rather than xwin driver generated glyphs), but the lines on the final plot are definitely thicker with plwid(0) and thinner with plwid(1) (same as with xwin driver).
It seems like a width of zero means "device default", but the docs at...http://plplot.sourceforge.net/docbook-manual/plplot-html-5.9.5/ plwid.html
...indicate that "width = 0 should be interpreted as as the minimum valid pen width for the device".
Is this just a case of documentation in need of an update or is something weird going on?
Interestingly(?), the -saveD output when using "x01c -dev psc -save psc-save.ps" is a solid black page (i.e. no plots). :-(
Thanks, Dave
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