You can adjust the origin heat map label by entering the picture management center and using the adjust button in the toolbar.

1. Add new columns and add as many columns as there are elements.

2. Fill in the form. Columns 2, 3 and 4 in the first column are three elements in the abscissa, and rows 1, b, c and d are three elements in the ordinate.

3. Draw the selected area.

4. Chart adjustment. Double-click the picture to enter the settings, and click Fill to change the color scheme. You can customize or select the color palette that comes with the system, and then set the transparency.