Re: making movies

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Colin Bannister (Colin.Bannister++at++nottingham.ac.uk)
Mon, 29 Nov 1999 14:13:25 +0000

Robert Wolfe wrote:

> Hi,
>
> Is there some easy software method for saving an
> image of each Performer-generated frame in order
> to construct a movie of the same sequence ?
>
> Robert

When I did this, I inserted a call to pfuSaveImage in a DRAW call-back.
As Simon says, this is quite an easy approach, but it slows the application
up so you lose at lot of interactivity. The way I got 'round this was
to implement a way to save a path, and replay it. While saving the path,
the interactivity is preserved (the process is simply writing a few values
to a file), and on replaying the path, and saving the images, interactivity
doesn't matter.

It sounds like Simon's method is much more complete, but this one works also,
albeit in two steps.

Colin

-- 


Dr. Colin Bannister	
Academic Computing Services
Cripps Computing Centre		Tel: 0115 9513326
The University of Nottingham	Fax: 0115 9513358
Nottingham  NG7 2RD
www:             http://www.nottingham.ac.uk/~cczcb/	
email:		 Colin.Bannister++at++nottingham.ac.uk

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