ColorFill-Contour-Graph
or
Activate the required data.
From the menu, choose Plot > Contour, Heatmap : Contour - Color Fill.
Click the Contour - Color Fill button on the 3D and Contour Graphs toolbar.
Please see more details on creating and customizing Color Fill Contour in the 3D and Contour Graphing chapter.
Worksheet
Matrix/Image
(All installed to the Origin program folder).