Contour-GrayScaleMap
or
Activate the matrixsheet/image window, or select required data from worksheet.
From the menu, choose Plot > Contour: Gray Scale Map.
Click the Gray Scale Map button on the 3D and Contour Graphs toolbar.
Worksheet
Matrix/Image
(All installed to the Origin program folder).
Contour plots from worksheet supports user-defined boundaries. To set contour plot boundaries, open the Plot Details dialog and go to the Contouring Info tab.