Includes both a "line" version and a "polygon" version that is better suited for lines that overlap and where you want to cover the lines in the back.

The styles generates 'Joy Division' lines in the form of "EKG" lines where the tops are based on the value sampled from a raster layer (normally 1-band elevation data).

The most important settings can be changed in the beginning of the script.

The style is tested with temporary scratch layers with a single polygon feature. Multiple features will trigger the style to generate multiple times (slower). Try to be consistent regarding layer coordinate systems...

CRS: vector_layer = elevation_layer = project

(Note: For the polygon style the drawing order may vary, making it seem like lines are missing...)