GIS.Math.Projections

Module containing several useful projections for generating maps.

Reference points

washingtonDC :: Point

For use as a reference point

mecca :: Point

For use as a reference point

Projections

littow :: Projection

Littow retroazimuthal + conformal projection

craig :: Point -> Projection

Craig retroazimuthal projection

winkel3 :: Projection

Winkel Tripel projection

mercator :: Projection

Mercator projection.

bonne :: Projection

Bonne projection with standard parallel at 45 N and central meridian centered at Washington DC.

albers :: Point -> Projection

Albers projection for a given reference point.

ablers washingtonDC

Helper functions

project :: Projection -> Polygon -> Polygon

Helper to project given a Polygon.

projectMap :: Projection -> Map -> Map

Helper to apply a projection given a Map.