Graeme, Can you try again with a much larger interval?
On Thu, Oct 13, 2011 at 6:32 AM, Graeme Merrall <[email protected]>wrote: > I'm trying out gdal_contour just to see what falls out of it as an > experiment. I've noticed it seems to get to "0.." e.g. 7% or so, and > then seems to hang. I'm trying it on a relatively small DTM > > The cmdline is pretty simple "gdal_contour -a ELEL -i 1.0 > dtm_11072101.tif dtm-1m.shp" > > and gdalinfo gives the following info about the image > Driver: GTiff/GeoTIFF > Files: dtm_11072101.tif > dtm_11072101.tfw > Size is 1000, 2500 > Coordinate System is `' > Origin = (488000.000000000000000,7198000.000000000000000) > Pixel Size = (2.000000000000000,-2.000000000000000) > Metadata: > TIFFTAG_XRESOLUTION=200 > TIFFTAG_YRESOLUTION=200 > TIFFTAG_RESOLUTIONUNIT=3 (pixels/cm) > Image Structure Metadata: > INTERLEAVE=BAND > Corner Coordinates: > Upper Left ( 488000.000, 7198000.000) > Lower Left ( 488000.000, 7193000.000) > Upper Right ( 490000.000, 7198000.000) > Lower Right ( 490000.000, 7193000.000) > Center ( 489000.000, 7195500.000) > Band 1 Block=1000x2 Type=UInt32, ColorInterp=Gray > > I admit I'm at a loss as to how to proceed/troubleshoot so any > pointers gratefully received. I tried popping it through > gdal_translate to add a projection but it seems to have the same issue > > Cheers, > Graeme > _______________________________________________ > gdal-dev mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/gdal-dev > -- Best regards, Chaitanya kumar CH. +91-9494447584 17.2416N 80.1426E
_______________________________________________ gdal-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/gdal-dev
