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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?

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    $\begingroup$ If you use single DensityPlot for full range {x, 0, 3} you will get what you want automatically. Why are you plotting the same function in different plots and then trying to stitch them? $\endgroup$ Commented Oct 8, 2018 at 8:37

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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}}]]

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