Two dimensional scales for map layout
Cartographica currently only provides scales that are either linear for a linear CRS or angular for angular CRS. The primary reason is that a single (one dimensional) scale would only be accurate for a specific line of latitude. However, a solution to providing angular scales for linear projections or linear scales for angular projections are two dimensional scales which show the scale at multiple locations on the map, thus clarifying that the map's coordinates do not map consistently across the entire surface.
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