Grid Lines

Sometimes it is nice to have not only coastlines, but also grid lines along some meridians and parallels. Most cartographic software can draw these lines by itself; but other software like Paraview not.

Paraview

• Here is a file with grid lines every 20° (both lat and lon): earth_grid_20degrees_round.vtp
• And here is the script with which it has been created: make_latlon_grid_round.awk