hallo !
i had two tif-image and want to merge them:
d:\cad\FWTools2.4.6>gdalinfo c:\temp\geesthacht\586922g.tif
Driver: GTiff/GeoTIFF
Files: c:\temp\geesthacht\586922g.tif
c:\temp\geesthacht\586922g.tfw
Size is 8000, 8000
Coordinate System is `'
Origin = (3585999.875000000000000,5924000.125000000000000)
Pixel Size = (0.250000000000000,-0.250000000000000)
Metadata:
TIFFTAG_SOFTWARE=IrfanView
TIFFTAG_XRESOLUTION=508
TIFFTAG_YRESOLUTION=508
TIFFTAG_RESOLUTIONUNIT=2 (pixels/inch)
Image Structure Metadata:
COMPRESSION=CCITTFAX4
INTERLEAVE=BAND
MINISWHITE=YES
Corner Coordinates:
Upper Left ( 3585999.875, 5924000.125)
Lower Left ( 3585999.875, 5922000.125)
Upper Right ( 3587999.875, 5924000.125)
Lower Right ( 3587999.875, 5922000.125)
Center ( 3586999.875, 5923000.125)
Band 1 Block=8000x1 Type=Byte, ColorInterp=Palette
Image Structure Metadata:
NBITS=1
Color Table (RGB with 2 entries)
0: 255,255,255,255
1: 0,0,0,255
-----------------------------
d:\cad\FWTools2.4.6>gdalinfo c:\temp\geesthacht\586922h.tif
Driver: GTiff/GeoTIFF
Files: c:\temp\geesthacht\586922h.tif
c:\temp\geesthacht\586922h.tfw
Size is 8000, 8000
Coordinate System is `'
Origin = (3585999.875000000000000,5924000.125000000000000)
Pixel Size = (0.250000000000000,-0.250000000000000)
Metadata:
TIFFTAG_SOFTWARE=IrfanView
TIFFTAG_XRESOLUTION=508
TIFFTAG_YRESOLUTION=508
TIFFTAG_RESOLUTIONUNIT=2 (pixels/inch)
Image Structure Metadata:
COMPRESSION=CCITTFAX4
INTERLEAVE=BAND
MINISWHITE=YES
Corner Coordinates:
Upper Left ( 3585999.875, 5924000.125)
Lower Left ( 3585999.875, 5922000.125)
Upper Right ( 3587999.875, 5924000.125)
Lower Right ( 3587999.875, 5922000.125)
Center ( 3586999.875, 5923000.125)
Band 1 Block=8000x1 Type=Byte, ColorInterp=Palette
Image Structure Metadata:
NBITS=1
Color Table (RGB with 2 entries)
0: 255,255,255,255
1: 0,0,0,255
i merge with gdal_merge by following command:
d:\cad\FWTools2.4.6>gdal_merge -v -o C:\temp\geesthacht\gh_test.tif -of
GTiff -co COMPRESS=LZW c:\temp\geesthacht\586922g.tif
c:\temp\geesthacht\586922h.tif
but when i open the resultfile it is black-complete! !
d:\cad\FWTools2.4.6>gdalinfo c:\temp\geesthacht\gh_test1.tif
Driver: GTiff/GeoTIFF
Files: c:\temp\geesthacht\gh_test1.tif
Size is 8000, 8000
Coordinate System is `'
Origin = (3585999.875000000000000,5924000.125000000000000)
Pixel Size = (0.250000000000000,-0.250000000000000)
Image Structure Metadata:
COMPRESSION=LZW
INTERLEAVE=BAND
Corner Coordinates:
Upper Left ( 3585999.875, 5924000.125)
Lower Left ( 3585999.875, 5922000.125)
Upper Right ( 3587999.875, 5924000.125)
Lower Right ( 3587999.875, 5922000.125)
Center ( 3586999.875, 5923000.125)
Band 1 Block=8000x1 Type=Byte, ColorInterp=Gray
can anybody tell me why ?????
regards Jan :-)
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