Simage, image-library needed by Coin3d.
copied from cf-staging / simageconda install conda-forge::simage
conda install conda-forge/label/cf201901::simage
conda install conda-forge/label/cf202003::simage
conda install conda-forge/label/gcc7::simage
This is ``simage'', a library with image format loaders and front-ends to common import libraries. simage is meant for use with applications which reads image files as textures.