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| GeoCommunity Mailing List |
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| Subject: | [gislist] Reprojecting CORINE data problem |
| Date: |
11/24/2003 04:00:01 AM |
| From: |
Vassil Vassilev |
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Hi Listers,
I have a problem reprojecting CORINE Land Cover data. I have the "PHARE
natural resources" CD with the CORINE data for Eastern Europe. I managed to
export the data as *.pts and *.lns files and then I generated coverages in
ArcInfo. In the CD instructions it is written that the data are in Lambert
Azimuthal projection. My other data are in Lat/Lon, so I wanted to reproject
in ArcInfo the CORINE data and I follow the instructions:
projection LAMBERT_AZIMUTH
units meters
spheroid int1909
parameters:
radius of the sphere of reference (for this parameter there is no
information in the CD)
longitude of center of projection 09 00 00
latitude of center of projection 48 00 00
false easting 0.0
false northing 0.0
Then I reproject the file in Lat/Lon.
When I open this file over my scanned and georeferenced maps there is
approximately 2km. shift in X and 1.5km shift in Y.
If anyone could show me where I made mistake I will be very grateful.
I am working with the data for Bulgaria, probably I should put values for
false easting and northing and specify radius of the sphere of reference or
I should define a datum. I am not a geographer and I am not
Thank you very much in advance.
Vassil
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