Re: DrawGraphics Figure-8 && CPU Strangeness
- To: mathgroup at smc.vnet.net
- Subject: [mg37621] Re: [mg37583] DrawGraphics Figure-8 && CPU Strangeness
- From: John Fultz <jfultz at wolfram.com>
- Date: Wed, 6 Nov 2002 06:58:10 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
Actually, I was wrong. I think I was confusing this limitation with other limitations. It only occurs in NT-class operating systems (i.e. NT4, Win2000, WinXP). Sincerely, John Fultz jfultz at wolfram.com User Interface Group Wolfram Research, Inc. On Tue, 5 Nov 2002 05:03:48 -0500 (EST), John Fultz wrote: >Yes, it does occur in all Windows OS's (although my experience is >that you can squeeze a little more memory out of Windows 9x...my >suspicions as to why this is would require a pretty complicated and >detailed explanation of the problem, so I won't elaborate here). >The limitation is on the memory consumed by the bitmap format we're >using, so whether or not you run into the limitation would depend >upon how large your graphics are, how many there are, and what color >depth your screen is set to (the lower the color depth, the more >bitmaps you can create). > >Most people tend to run out of memory when working with animations >that have somewhere around one to two hundred frames (exact number >depending upon the above variables). The system is not truly out of >memory, but it is out of memory for creating more bitmaps (and thus >for rendering more graphics). It is possible to generate animations >this large and not run out of memory, though, since the images may >not be rendered into bitmaps until you actually *view* the animation >(as opposed to simply having generated it).. > > >Sincerely, > >John Fultz jfultz at wolfram.com User Interface Group Wolfram Research, >Inc. > > >>Does this limitation occur in all Windows OS's? I don't seem to >>have the problem with my Windows98. But I tend to have only one or >>two animations present at a time and I delete them before running >>others. Bobby seems to have a problem when running just a single >>animation of moderate size. >> >>David Park djmp at earthlink.net http://home.earthlink.net/~djmp/