It's impossible to create images 10k × 20k because of memory limits. But we can create smaller tiles, like 4 images of 5k × 10k, and stitch them together. So check for imagemagick for stitching and add --tiled N options, where N is a number of tiles: 1 for disabled, 2 for 2×2 etc.
It's impossible to create images 10k × 20k because of memory limits. But we can create smaller tiles, like 4 images of 5k × 10k, and stitch them together. So check for imagemagick for stitching and add
--tiled N
options, where N is a number of tiles: 1 for disabled, 2 for 2×2 etc.