Hi,
Is it possible to get the actual data values from the pixel values of a
heatmap? A heatmap is computed by mapping a data range to values between
0 and 255, and then displaying these values based on a color ramp. So
what you see is a map with colors ranging from (say) blue to red. BLue
are low data values, red high ones. Is it possible to generate a legend
with the actual values for these colors?
Jan
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