Kevin Myers wrote:
As mentioned in my previous message, Photoshop's limit is 32K maximum pixelsPoint taken :-)
in either dimension. Your image did not exceed this limit in either
dimension. We typically work with images that are up to several hundred
thousand pixels in one dimension, by 2 or 3 thousand pixels in the other
dimension. Thus we almost always exceed the Photoshop limit.
I presently run GIMP 1.2.4 on a 2.4 GHz P4 based system under Windows 2000,Hm, mine is Gimp 1.2.5 on a 1.8GHz P4, W2K, but just 256M RAM. The Tile Cache is set to 128M. In the case I described, I did have PS open at first, but no images loaded. After that, I closed PS and Framemaker and tried again - dead slow.
with 3GB of RAM installed (only 2GB of which can be used by the GIMP). We
usually work with 8 bit grayscale images, and as described above our typical
image sizes are on the order of 200 megapixels. As you mentioned, your
image was only 98 megapixels. On my system, I have no problems with menu
delays at all (far less than one second response), and initial image loading
speed is reasonable, typically on the order of 5 or ten seconds.
Based on your description, I suspect that either Photoshop's memory usageI would think that a 128M tile would be about right for PC... but I'll try suggestions :-) Having read David's posting as well, I suspect that The Gimp's memory management could be fine-tuned somewhat - at least as far as Windows is concerned. I will repeat today's experiment on my Linux box tonight.
may be somewhat more efficient than the GIMP, or possibly your Tile Cache
Size is set too small. Either of those issues could result in extensive
page thrashing of portions of the GIMP and your image to and from disk. On
my system, the tile cache size is set to 1280MB. How much physical RAM do
you have, and what is your Tile Cache Size set to?
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