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## [Gnuplot-info] pm3d-plot with HSV color space

 [Gnuplot-info] pm3d-plot with HSV color space From: jmseibt - 2012-10-09 16:31:01 ```Hello, Maybe someone can help me with the following issue: I'm trying to plot a complex quantity z which depends on two variables x and y in form of a pm3d-plot, where the phase phi(z) of the complex values is aimed to be encoded a color from the hue-scale, while the amplitude A(z) of the complex values determines the intensity of that color. The data are read from a file with specification of x y phi(z) A(z) in each column, where x changes slow and y changes fast. The most obvious solution (at least from my point of view) to choose the option u 1:2:3:4 in combination with "splot" after definition of the color scheme via set palette model HSV functions gray,1,1 did not yield the desired result. Then just the phase is plotted regardless of the amplitude. If you have an idea how to proceed, please let me know. Best regards, Joachim -- View this message in context: http://old.nabble.com/pm3d-plot-with-HSV-color-space-tp34533376p34533376.html Sent from the Gnuplot - User mailing list archive at Nabble.com. ```

 [Gnuplot-info] pm3d-plot with HSV color space From: jmseibt - 2012-10-09 16:31:01 ```Hello, Maybe someone can help me with the following issue: I'm trying to plot a complex quantity z which depends on two variables x and y in form of a pm3d-plot, where the phase phi(z) of the complex values is aimed to be encoded a color from the hue-scale, while the amplitude A(z) of the complex values determines the intensity of that color. The data are read from a file with specification of x y phi(z) A(z) in each column, where x changes slow and y changes fast. The most obvious solution (at least from my point of view) to choose the option u 1:2:3:4 in combination with "splot" after definition of the color scheme via set palette model HSV functions gray,1,1 did not yield the desired result. Then just the phase is plotted regardless of the amplitude. If you have an idea how to proceed, please let me know. Best regards, Joachim -- View this message in context: http://old.nabble.com/pm3d-plot-with-HSV-color-space-tp34533376p34533376.html Sent from the Gnuplot - User mailing list archive at Nabble.com. ```