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Datashader alpha not in Holoviews #3611

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zertrin opened this issue Apr 9, 2019 · 1 comment

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commented Apr 9, 2019

Similar to issue #2108, min_alpha is exposed, but not alpha for datashade()

WARNING:root:datashade: 'alpha' will be ignored (not a Parameter).
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commented Apr 9, 2019

What were you hoping alpha would do, as an argument to datashade()? Datashader already uses the alpha channel in its own computations, returning RGBA images. ETA: Never mind; it only uses alpha internally when doing count_cat; otherwise alpha is available. In that case, this should be done, just as for min_alpha.

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