Test the effect of DECGRA on Background Select #18
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This test demonstrates how the
DECGRA
dimensions determine the extent of the area that is filled by the Background Select functionality. It also shows how both the Background Select parameter and theDECGRA
extent have an influence on which pixels are rendered as transparent.This is basically an attempt to cover all the weird edge cases we discussed in issue #5. If I've interpreted everything correctly, I'd expect the output to look like this: