31.18.6 Polar Heatmap

Data Requirements

• Worksheet: Select XY columns or XYZ columns (full or subrange); or a virtual matrix.

or

• Matrix: A matrix sheet. Multi-object sheet is supported.

Creating the Graph

Activate the matrixsheet or select required data from worksheet:

• From the menu, choose Plot > Contour: Polar HeatMap θ(X)r(Y).

When you create the polar heatmap from XY data, the dialog will be opened.

When you create the polar heatmap from XYZ data, the dialog will be opened.

When you create the polar heatmap from multiple Y columns without Z, the dialog dialog be opened.

Template

PolarheatmapMat.otpu

(Installed to the Origin program folder).

Notes

The polar heatmap is similar with , but plotted into a polar coordinate.

• When you choose Plot > Contour: Polar HeatMap θ(X)r(Y), all X and Y in label will be changed as θ and R in the X-function dialog plot_heatmapxy, plot_heatmapxyz and plotvm.
• It supports to create a polar heatmap with RGB values in the source Z column or matrix.

Version Information

Minimum Version: Origin 2025