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From: Geico Caveman <spammers-go-here@spam.invalid>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Hardcopy is black - help
Date: Fri, 24 Aug 2007 12:02:15 -0700
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Rich Quist wrote:

> Geico Caveman <spammers_go_here@spam.invalid> wrote in
> message <faian9$n9r$1@news.asu.edu>...
>> Richard Quist wrote:
>> 
>> > Geico Caveman wrote:
>> >> Hello
>> >> 
>> >>         I have had this problem before with this script
> that plots some
>> >>         3D data
>> >> (surf). The figure window shows a nice plot. The
> hardcopy (pdf and png)
>> >> simply consist of a solid black rectangle where the
> plot ought to be.
>> >> 
>> > 
>> > This usually indicates a problem with the opengl driver.
> Try starting
>> > MATLAB with the   -softwareopengl   switch
>> 
>> Thanks for your response.
>> 
>> I tried this switch. No good. The hardcopy o/p is black as
> before.
> 
> You can try "forcing" print to use a different renderer,
> which may help. Try adding '-zbuffer' to the print command
> (the other choice for the png format would be '-opengl', but
> that's probably what's being used currently).
> 
> The other thing to look at is whether there's an update for
> your video driver

I will look into this. However, I found an older machine with Matlab 7 on
it. The hardcopy generated by the same code on that machine is perfect.

Something changed 7 -> 7.4.