schrodinger.test.stu.outcomes.custom.perceptual_diff module¶

Contains the workup is perceptual_diff

schrodinger.test.stu.outcomes.custom.perceptual_diff.perceptual_diff(std_image, test_image)[source]¶

Run Perceptual Diff to compare a test image to a standard.

The workup requires access to the shared installation of Perceptual Diff in /nfs/software/lib/<platform>/. It expects host-specific std images to be located in a subdirectory of the test named references/<hostname>/. For example, for the host pdx-desk-l03.schrodinger.com, refeerences are expected in stu_<testid>/references/pdx-desk-l03.schrodinger.com/.

usage: custom.perceptual_diff.perceptual_diff(std_image, test_image)