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Cs2cs performs transformation between the source and destination cartographic coordinate system on a set of input points.

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proj4js, proj4.net, proj4 give different result to cs2cs

You're converting between EPSG:2278 (assuming NAD83, state plane Texas south central) and EPSG:3080 (NAD27 Texas statewide Mapping System in int'l feet). You need to add +nad83 to the input, add +na …
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1 vote

Converting Lambert Conformal (x, y) of spheroid to (lon, lat) of NAD83 with proj/cs2cs?

The first workflow and the first step of the second workflow are doing the same thing. They're unprojecting the data from the LCC-based projected coordinate reference system (CRS) to its sphere-based …
mkennedy's user avatar
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1 vote

Reprojecting from Lambert Conformal Conic into EPSG:3857?

Your input values of your first cs2cs statement are latitude/longitude (decimal degrees), not EPSG:3857. And they're probably relative to the sphere that you're referencing, not WGS84 (EPSG:4326). … Label them as lat/lon in the cs2cs statement. Right now you're saying they're in 3857 which is a projected coordinate system. …
mkennedy's user avatar
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