27.18.2 Image Plot

ImagePlotExample.png

Data Requirements

A matrix of Z values. The data has been imported from a raster image.

Creating the Graph

Click on the matrix to activate it.

From the menu, choose Plot > Contour : Image Plot.

or

Click the Image Plot button on the 3D and Contour Graphs toolbar.

Image Plot Button.png

Template

IMAGE.OTP (installed to the Origin program folder).

Notes

The default X and Y axis range is determined by the coordinate range of the matrix, which is the same as the image's X and Y pixel range. The View:Show X/Y menu will display the X and Y values in the matrix.