[gdal-dev] How to pick on file from a VRT ?

2010-04-27 Thread Vincent Honnet
Hi, I would like to do something like a picking on a vrt. Let me explain: I have vrt's from GTiff files but there is some holes, areas where there isn't any data. From an area defined by its coordinates I would like to get the information if this area is pointing on a file or not, or at least o

[gdal-dev] gdal_proximmity.py

2010-02-25 Thread Vincent Honnet
Hi, I'm trying to use gdal_proximity.py. through an installation of FWTools 2.4.5 or 2.4.6. The first thing is that there is, I think, a mistake at line 150: the variable dst_ts is wrong, it should dst_ds, then the exception of the try can set the right variable to None. My command line is

[gdal-dev] Problem to implement a new format

2009-11-13 Thread Vincent Honnet
Hi, I'm trying to implement a new format for my GDal and I have some problems. For now I don't want to integrate it to the GDal source code but only in gdal_translate. I call the registering method just after the call to GDALAllRegister. I implemented the Dataset methods Open, the RasterBand m

[gdal-dev] ogr2ogr and extents

2009-04-15 Thread Vincent Honnet
Hi, I am very new in this mailing list and I hope I don't ask for something already posted. If so, please excuse me. I look a bit in the archive for my problem but found nothing relevant. I want to tile my shapefiles with fixed extents in order to raster them to tif files and then to do some