Bildirici, Ibrahim Oztug2025-09-102025-09-1020252564-676110.29128/geomatik.1596248https://hdl.handle.net/20.500.13091/10687The Mollweide projection is an equal-area pseudo-cylindrical projection used to represent the entire Earth. It represents the Earth in an ellipse. In most sources, only projection equations are given. In this study, the geometric structure of the projection is examined in detail, and how projection functions are obtained is shown. The distortions caused by the projection are discussed in detail. The use of Python SciPy module functions to find the auxiliary variable used in the projection is discussed, and three functions that can be used here are compared. Finally, a sample class code for projection calculations is given. The software solutions discussed here can also be adapted to other projections that use latitude-dependent auxiliary variables.trinfo:eu-repo/semantics/openAccessMap ProjectionMollweide ProjectionEqual Area ProjectionTissot IndicatrixElliptical ProjectionArticle10.29128/geomatik.1596248