31.12.4 Fill Area Graph

Data Requirements

Select at least two Y columns of values (or a range from at least two columns). If there is an associated X column, X column supplies X values; otherwise, sampling interval of the Y column or row number is used.

Creating the Graph

Select required data.

From the menu, select Plot > Basic 2D : Fill Area.

or

Click the Fill Area button on the 2D Graphs toolbar.

Template

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

Notes

The area between the data plots (the two Y columns) is filled, by default only one fill pattern will be used. You can go to the of the Plot Details dialog to change the fill area mode to Fill to data plot - Above Below Colors, and then you can customize two different patterns. This will be useful if there are intersection point(s) for the two Y curves and the intersection points are not only at the X boundaries.

Fill Area plot supports filling with colormap. Double click on the graph to bring up Plot Details dialog box, expand Layer1 node and highlight the first sub-node. Then go to page, under Fill panel select Color Mapping from Color drop-down list and the corresonding Colormap and Numeric Formats tabs will show up. You can customize the colormap settings in the .