1.311 FAQ-1233 How do I draw a contour without interpolation?

Contour-without-Interpolation

Last Update: 12/24/2025

Origin always interpolates the input data internally when creates a contour plot.

To plot a contour without any interpolation:

please plot a heatmap instead: choose menu Plot > Contour/Heatmap: Heatmap.

Keywords:2D contour, no smooth