Map Scales and Distortions

Find area distortion; trim data to quadrangle

Functions

clipdata Clip data at +/-pi in longitude, +/-pi in latitude
distortcalc Distortion parameters for map projections
maptriml Trim lines to latitude-longitude quadrangle
maptrimp Trim polygons to latitude-longitude quadrangle
maptrims Trim regular data grid to latitude-longitude quadrangle
mdistort Display contours of constant map distortion
tissot Project Tissot indicatrices on map axes
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