POV-Ray : Newsgroups : povray.off-topic : Unit testing - simple question with long explanation for discussion... : Re: Unit testing - simple question with long explanation for discussion... Server Time
6 Sep 2024 17:17:42 EDT (-0400)
  Re: Unit testing - simple question with long explanation for discussion...  
From: Orchid XP v8
Date: 9 Jan 2009 13:26:27
Message: <496796d3$1@news.povray.org>
Darren New wrote:
> Orchid XP v8 wrote:
>> As I say, when I run it in Ghostscript, it works just fine.
> 
> I don't know how ghostscript works per se. You're sending it to the 
> printer, or the screen?
> 
> The point is the PS interpreter in the printer has no good way of 
> knowing you're done with the page, unlike ghostscript, so you have to 
> add specific code to the postscript on a printer to say "I've generated 
> the bitmap, so send it to a page now."  IIRC, that command is called 
> "showpage".
> 
> Ghostscript on the screen renders as it interprets, so that's different.

Ghostscript also refuses to display anything until you perform a 
showpage operation. (Or the deprecated copypage operation, for that matter.)

-- 
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*


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