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proj

Cartographic projections library for geographic coordinate transformations

brewmacoslinux
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About

Cartographic Projections Library

Commands

projcs2csgeodprojinfo

Examples

Convert coordinates from WGS84 to Web Mercator projection$ echo '0 51.5' | proj +proj=merc +datum=WGS84
Transform coordinates between two coordinate systems$ cs2cs +proj=latlong +datum=WGS84 +to +proj=utm +zone=30 +datum=WGS84
Calculate geodetic distance between two points$ geod +ellps=WGS84 -i <<< '0 51.5 10 48.8'