Mathematica Asked on June 30, 2021
I would like to combine two density plots using Show[ ] with different consecutive x-values so that the color scheme and legends match. For example,
plot01 = DensityPlot[2 Sin[x y], {x, 0, 1}, {y, 0, 3},
ColorFunction -> "M10DefaultDensityGradient",
PlotLegends -> Automatic]
plot02 = DensityPlot[2 Sin[x y], {x, 1, 3}, {y, 0, 3},
ColorFunction -> "M10DefaultDensityGradient",
PlotLegends -> Automatic]
As such, plot01 has a scheme based on the range {0.0, 2.0} while plot02 has one based on the range {-2.0, 2.0}. I would like both of them to have a color scheme and legend based on {-2.0, 2.0} so that when they are combined, the colors match smoothly. How do I make this happen?
If you have to use Show
with two separate plots (rather than a single one with {x, 0, 3}
), you can specify the range for color scheme as {-2,2}
in both plots and add the option ColorFunctionScaling -> False
:
plot01 = DensityPlot[2 Sin[x y], {x, 0, 1}, {y, 0, 3},
ColorFunction -> ColorData[{"M10DefaultDensityGradient", {-2, 2}}],
ColorFunctionScaling -> False];
plot02 = DensityPlot[2 Sin[x y], {x, 1, 3}, {y, 0, 3},
ColorFunction -> ColorData[ {"M10DefaultDensityGradient", {-2, 2}}],
ColorFunctionScaling -> False];
Legended[Show[plot01, plot02, PlotRange -> All],
BarLegend[{"M10DefaultDensityGradient", {-2, 2}}]]
Answered by kglr on June 30, 2021
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