ol-ext: IDW layer

ol/source/IDW is an Inverse Distance Weighting (IDW) interpolated source that use the Shepard's method.
The default weight convertion function converts values from 0 (blue) to 100 (red). You can use values up to 128 (magenta). Upper values turn around the color wheel.
The worker option let you calculate the distance map in a worker.

Click on the map to add a new measure.