Equidistant cylindrical projection
Ben Lloyd-Hughes
blh at MSSL.UCL.AC.UK
Fri Sep 3 09:52:07 PDT 2004
Hi,
I'm having a terrible time trying to serve an image of an ESRI shape
file. From ogrinfo I get:
$ ogrinfo -so CNTRY95_eqc.SHP CNTRY95_eqc
INFO: Open of `CNTRY95_eqc.SHP'
using driver `ESRI Shapefile' successful.
Layer name: CNTRY95_eqc
Geometry: Polygon
Feature Count: 258
Extent: (-10018753.533581, -10006731.666389) - (10018753.533581,
9308936.146330)
Layer SRS WKT:
PROJCS["World_Equidistant_Cylindrical",
GEOGCS["GCS_WGS_1984",
DATUM["WGS_1984",
SPHEROID["WGS_1984",6378137.0,298.257223563]],
PRIMEM["Greenwich",0.0],
UNIT["Degree",0.0174532925199433]],
PROJECTION["Equirectangular"],
PARAMETER["False_Easting",0.0],
PARAMETER["False_Northing",0.0],
PARAMETER["Central_Meridian",0.0],
PARAMETER["Standard_Parallel_1",60.0],
UNIT["Meter",1.0]]
FIPS_CNTRY: String (2.0)
GMI_CNTRY: String (3.0)
ISO_CNTRY: String (3.0)
WB_CNTRY: String (3.0)
CNTRY_NAME: String (40.0)
EU: String (1.0)
FAO: String (1.0)
GA: String (1.0)
GA_MEMB_YR: Integer (4.0)
IAEA: String (1.0)
IBRD: String (1.0)
IMF: String (1.0)
OPEC: String (1.0)
SC: String (1.0)
UNESCO: String (1.0)
WHO: String (1.0)
WMO: String (1.0)
POP_CNTRY: Integer (10.0)
SQKM_CNTRY: Real (15.3)
SQMI_CNTRY: Real (15.3)
So far so good - then I have a MAP file:
MAP
IMAGETYPE PNG
UNITS METERS
EXTENT -10018753.533581 -10006731.666389 10018753.533581 9308936.146330
SIZE 400 300
SHAPEPATH "data"
IMAGECOLOR 255 255 255
PROJECTION
"proj=eqc"
"datum=WGS84"
"elips=WGS84"
END
# Start of LAYER DEFINITIONS --------------------------------------------
-
LAYER # States polygon layer begins here
NAME CNTRY95_eqc
DATA CNTRY95_eqc
STATUS DEFAULT
TYPE POLYGON
PROJECTION
"proj=eqc"
"datum=WGS84"
"elips=WGS84"
END
CLASS
COLOR 232 232 232
OUTLINECOLOR 32 32 32
END
END # States polygon layer ends here
# End of LAYER DEFINITIONS -------------------------------
END # end of map file/object
Which is invoked via cgi:
http://fuji-bgh.geol.ucl.ac.uk/cgi-bin/mapserv.exe?map=D%3A%2FApache%
2FApache2%2Fmywebdocs%2Fmaps%2Fdemos%2Fdrought%2Fdemo.map&mode=map
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