Hey all, Based on some discussion yesterday and today, I've added the stub of a section to Shapes Level 2 to define an alpha/luminance switch that would control whether extracting a shape from an image would use luminance data rather than alpha data. And I've somewhat sanitized the definition of shape-image-threshold to allow its use with this switch to have the threshold apply to either luminance or alpha values. Thanks, AlanReceived on Thursday, 12 September 2013 15:29:36 UTC
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