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I'm having difficulty with Image Trace. I've used it succesfully for years but for this project it just seems broken.
Macbook Pro, High Sierra, 10.13.6
I've got a file that's a black and white line drawing of rivers in Oregon. If I take a small crop of it I can trace it almost perfectly:
But when I trace the full image like so:
I get these terribly innaccurate results:
Any solutions? I can't seem to find any other record of this issue arising.
Here's the file if you want to experiment: https://drive.google.com/file/d/1txfHNZ5z36El8RG8iiNxuOc4pie6u8zP/view?usp=sharing
Thanks for your time!
It seems you might be hitting a resource ceiling.
You can check this using Activity Monitor on your Mac.
Here are some things I did to reduce the file in Photoshop.
Converted from RGB to Grayscale and cropped away unneeded white space. File size reduction from 162.5Mb > 48.5Mb
Converted from Grayscale to Bitmap and file size dropped to 6.18Mb
Here's a handy resource from fellow ACP Monika Gause on optomizing results.
I can send you the trace result too if you wish