Animation shows screen saver

[Daniel G. Downey]

> From jshalf at ncsa.uiuc.edu Thu Aug  5 13:21 EDT 1999
> Date: Thu, 05 Aug 1999 12:22:54 -0500
> From: John Shalf <jshalf at ncsa.uiuc.edu>
> MIME-Version: 1.0
> To: "Daniel G. Downey" <danmotif at mrco2.carleton.ca>
> CC: vtkusers at gsao.med.ge.com
> Subject: Re: Animation shows screen saver
> Content-Transfer-Encoding: 7bit
> 
> I've put vtkOpenGLOffscreenRenderWindow source code at
> 	ftp://bach.ncsa.uiuc.edu/outgoing/vtkOffScreen.tar.gz
> I'll write up a webpage about it soon, but the README file should tell a
> good part of the story.  If you compile with -DUSE_PIXMAP it will work
> (slowly) on most unix/GL/X11 platforms (you can use the Win32 offscreen
> renderer for non-unix/X11 rendering).  However using PIXMAPS will cause
> the GL implementation to revert to software rendering on most
> platforms.  If you compile with -DUSE_PBUFFER, it will use SGI's
> hardware frambuffer (pixelbuffer) on most contemporary SGI systems. 
> This is considerably faster than software.
> 
> Please tell me if you find any bugs (not flames).  I'd release more
> stuff if I didn't get flamed so badly when people find bugs.
> 
> -john 

Thanks a lot.  I'll have a look.   This could be a life saver.

Dan

> 
> Daniel G. Downey wrote:
> > 
> > Hi,
> > 
> >    Is there a way to write animation files (Or ppm or tiff or whatever)
> > without going through a GUI window?  ie., batch mode?  I would like to
> > use a gui only to orient the object the way I want then say "Run Animation"
> > 
> >   I have written a program that outputs a ppm file of a moving iso-surface.
> > For each step, save an image, etc.   It works but the %$@$^@ thing saves
> > anything in front of the GUI window. (Including SCREEN SAVER shots!!)  For
> > large datasets it can take hours and you don't dare touch anything or you
> > get a picture of say your email in the image.
> > 
> > Thanks for any help,
> > Dan Downey
> > 
> > ----
> >  Daniel Downey   Email:  downey at mrco2.carleton.ca
> >  Dept. of Mechanical and Aerospace Engineering
> >  Carleton University, 1125 Colonel By Drive,
> >  Ottawa, Ontario, Canada, K1S 5B6
> >  tel:(613) 520-2600 ext 5649   fax:(613) 520-5715
> > 
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