[gdal-dev] Removing Dangle lines in shape files

2013-01-15 Thread SIVA RAMA KRISHNA
Dear All, I am Trying to remove Dangle Lines from a shape file containing OGRLineString (polyline).I am thinking that if a line(2),line(3),line(4) crosses a another line(1) detecting the point of intersection and removing the part beyond line1 . I am employing following code and attaching it.

[gdal-dev] Merging 3 1-band GeoTIFFs in 1 3-band GeoTIFF

2013-01-15 Thread Jorge Arevalo
Hello, I have 3 single band GeoTIFF files, with UInt16 data type. I want to merge them in a single GeoTIFF file, with 3 bands, and RGB color interpretation I've read this http://lists.osgeo.org/pipermail/gdal-dev/2011-April/028451.html So, I tried to do this: gdal_merge.py -separate -co "SAMPL

[gdal-dev] ogr2ogr writing dxf with multiple layers

2013-01-15 Thread Bernd Kamjunke
Hello to all! Is it possible to write data e.g. from an sqlite Database with several tables into one dxf with multiple layers? I found some information that it may be not, but I am not sure if it is possible meanwhile. I am using gdal 1.9 and I am trying something like this with german ALKIS-Data

[gdal-dev] libecwj2 with multiple readers

2013-01-15 Thread Mateusz Loskot
Hi, Without getting into details, I wonder, has anyone ever used GDAL with libecwj2 support to access ECW dataset(s) from multiple readers? Apparently, libecwj2 manages some internal static environment which can not be safely shared, unless all accesses to libecwj2 are serialised. For example, in