Around the time of the 1.0 release, some 3D plotting utilities were built on top of matplotlib's 2D display, and the result is a convenient ... along with some data drawn about the line: ax = plt.axes ...

Functions of two variables can be visualized in many ways: heat maps in 2D, contour curves in 2D, wireframes in 3D, surfaces in 3D. We begin by defining a function of two variables, building an array ...

The z axis has a reduced scale and limits for a better representation of the 3d surface. A basemap using cartopy, is also used, combined with a simple contour plot on level 0, producing a projection ...