Setting colors and thresholds in canvas component with draw.image


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Posted

I am trying to draw an image with color thresholds in a canvas component using draw.image, but I can't seem to get the "colors" array passed in the correct format. What dimensions should the "colors" array be for passing RGB color codes? Thanks!

Posted

It should be in the first dimension, so:

private colors
colors[0] = rgb(255,0,0)
colors[1] = rgb(0,255,0)
colors[2] = rgb(0,0,255)
private thresholds
thresholds[0] = 5
thresholds[1] = 12
thresholds[2] = 15

Draw.Image(..., colors, thresholds)

 

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