Global Mapper v25.0

gmp2shp: data lost?

hgleixner
hgleixner Global Mapper UserTrusted User
edited June 2013 in Bug Report
Hello,
I would like to generate a hugh amount of contour lines using the option to write directly into a gmp file. Importing that file and converting it to shape looks as there would be some data lost. See the different metadata:

Metadata of the gmp file:
FILENAME=D:\Arbeit_22032013\Felszeichnungsversuche\DGM25_test_100m_HL.gmp
DESCRIPTION=DGM25_test_100m_HL
AREA COUNT=0
LINE COUNT=15892
LINE VERTEX COUNT=1843580
POINT COUNT=0
UPPER LEFT X=4286180.000
UPPER LEFT Y=5604756.500
LOWER RIGHT X=4635600.000
LOWER RIGHT Y=5238293.500
WEST LONGITUDE=8° 58' 59.0944" E
NORTH LATITUDE=50° 34' 46.9516" N
EAST LONGITUDE=13° 54' 50.7915" E
SOUTH LATITUDE=47° 14' 57.2143" N
PROJ_DESC=Gauss Krueger (3 degree zones) / POTSDAM / meters
PROJ_DATUM=POTSDAM/DHDN (GERMANY)
PROJ_UNITS=meters
EPSG_CODE=31468
COVERED AREA=128050 sq km

Metadata of th shape file:
FILENAME=D:\Arbeit_22032013\Felszeichnungsversuche\DGM25_test_100m_HL.shp
DESCRIPTION=DGM25_test_100m_HL.shp
AREA COUNT=0
LINE COUNT=15647
LINE VERTEX COUNT=1843090
POINT COUNT=0
UPPER LEFT X=4286180.000
UPPER LEFT Y=5604756.500
LOWER RIGHT X=4635600.000
LOWER RIGHT Y=5238293.500
WEST LONGITUDE=8° 58' 59.0944" E
NORTH LATITUDE=50° 34' 46.9516" N
EAST LONGITUDE=13° 54' 50.7915" E
SOUTH LATITUDE=47° 14' 57.2143" N
PROJ_DESC=Gauss Krueger (3 degree zones) / POTSDAM / meters
PROJ_DATUM=POTSDAM/DHDN (GERMANY)
PROJ_UNITS=meters
EPSG_CODE=31468
COVERED AREA=128050 sq km

Why that difference (GM14.2 (b061313) 64 bit)?
Note: If I don't write directly into a gmp file (possible only in smaller cases) I get 15892 lines too, after converting that into shp there are 15650 lines (3 more as above)

Regards Henry

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