get proj
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Contents: Description, Arguments, Usage, Examples, Sub-Functions, Related Functions, Source Supported Under Version: > 1.03
Description Get a Spatial Reference System from spatialreference.org
Arguments and Return Values Arguments: SRS number and a source Return Value: the wkt and proj strings if available
Usage Syntax: get_proj(SRSnumber [,source =STRING]) SRSnumber-the number associated with the spatial reference system source-projection source "iau2000", "epsg", or "esri", (Default="iau2000")
Examples Get a standard Mars projection dv> proj=get_proj(49900)
struct, 2 elements
anc: struct, 2 elements
proj4: Text Buffer with 1 lines of text
1: +proj=longlat +a=3396190 +b=3376200 +no_defs
wkt: Text Buffer with 5 lines of text
1: GEOGCS["Mars 2000",
2: DATUM["D_Mars_2000",
3: SPHEROID["Mars_2000_IAU_IAG",3396190.0,169.89444722361179]],
4: PRIMEM["Greenwich",0],
5: UNIT["Decimal_Degree",0.0174532925199433]]
spheroid: struct, 3 elements
name: "Mars_2000_IAU_IAG"
radius: "3396190.0"
iflattening: "169.8944472"
Set a different source, e.g. epsg dv> proj2=get_proj(4326,source="epsg")
struct, 2 elements
anc: struct, 2 elements
proj4: Text Buffer with 1 lines of text
1: +proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs
wkt: Text Buffer with 10 lines of text
1: GEOGCS["WGS 84",
2: DATUM["WGS_1984",
3: SPHEROID["WGS 84",6378137,298.257223563,
4: AUTHORITY["EPSG","7030"]],
5: AUTHORITY["EPSG","6326"]],
6: PRIMEM["Greenwich",0,
7: AUTHORITY["EPSG","8901"]],
8: UNIT["degree",0.01745329251994328,
9: AUTHORITY["EPSG","9122"]],
10: AUTHORITY["EPSG","4326"]]
spheroid: struct, 3 elements
name: "WGS 84"
radius: "6378137"
iflattening: "298.2572236"
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Recent Library Changes Created On: 05-12-2013 |
