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Sonogram is just red

In this simple patch trying to replicate helps of the pipo module mel, i can’t have another color than red displayed in the sonogram whereas the matrix view seems to indicate that the analysis happened alright. What am i missing ? or is it a bug ?

  
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-----------end_max5_patcher-----------  

you have just to set the right range for color (something like “view 1 paramdisplayrange color 0 0.003”)
or just set autobounds on for the given view (“view rpox auto bounds 1” in your example)

best
Riccardo

thanks a lot !