Legacy ImageMagick Discussions Archive

I have an image that is 24,000 x 48,000 that requires 4GB when opened in my C#/64 application. The image creation fails because C# has a 2GB object limit. I'm looking into a work-around solution. Possible running a command line app to break up the image into smaller chunks. Has anyone use ImageMagic...

I changed the script to D:\Temp folder and did my load and save from there. It got farther but eventually error-ed out with "unable to extend cache". The main difference between the two approaches is I'm not loading the highest resolution, I'm cycling thru them and loading a much smaller o...

I don't think so. My D drive has 400GB free and that's where I'm loading and saving. I took a look at LibTiff and was able to extract a smaller page from the 8 paged Tif. I wasn't sure what approach would work best, but it looks like I'll be using LibTiff for this solution. Thanks for all your help....

Looks like you were dead on with that tip. It's processing...I'll update when it's done. Thank you!

The "8" represents 4 channels at 2 bytes each? If I used Q8 it would take half the space?

[UPDATE]
It got farther but still ended up with a "unable to extend cache"

I'm assuming memory. I have 28GB free on my C:\ drive. A little low but should be enough. Let me free up some space to see if that makes a difference.
Thanks

Hi - I'm trying to reduce a tif image from 94095x54316 to 9410x5432 by using the -resize 10% option, but getting an "unable to extend cache" error: C:\Users\Matt>convert -monitor -limit memory 2GiB -limit map 4GiB -define registry:temporary-path=c:\temp Huge.tif -resize 10% Haircut.tif Err...