Generate Isolines and Isobands from Regularly Spaced Elevation Grids
Standardize label angles
Clip lines so they don't run into a set of boxes.
Convert isolines or isobands to sfg object
isoband: Generate Isolines and Isobands from Regularly Spaced Elevatio...
Render isobands
Efficient calculation of isolines and isobands from elevation grid
Render labeled isolines
Generic label placement function
Set up a label placement strategy
Visualize a single isoband
A fast C++ implementation to generate contour lines (isolines) and contour polygons (isobands) from regularly spaced grids containing elevation data.
Useful links