Re: [gdal-dev] Creating derived raster bands using python

2009-03-08 Thread Antonio Valentino
Il giorno Sun, 8 Mar 2009 20:51:46 +0100 Even Rouault ha scritto: > Antonio, > > There are 2 issues : [cut] > - the crash comes from the fact that you don't have defined a pixel > function for the derived band. I've created ticket > http://trac.osgeo.org/gdal/ticket/2877 about that one. Even

Re: [gdal-dev] Creating derived raster bands using python

2009-03-08 Thread Even Rouault
Forget what I told about GDALAddDerivedBandPixelFunc ... This is certainly not the way to define the function name. Le Sunday 08 March 2009 20:51:46 Even Rouault, vous avez écrit : > Antonio, > > There are 2 issues : > - the "ERROR 1: Corrupt or empty VRT source XML document." comes from the > l

Re: [gdal-dev] Creating derived raster bands using python

2009-03-08 Thread Even Rouault
Antonio, There are 2 issues : - the "ERROR 1: Corrupt or empty VRT source XML document." comes from the line 'b.SetMetadata(md, 'new_vrt_sources')'. However I'm not sure how to achieve what you want to do. I've the feeling you can't really define the pixel function that way. You should call GD

Re: [gdal-dev] Creating derived raster bands using python

2009-03-08 Thread Antonio Valentino
Il giorno Thu, 05 Mar 2009 09:26:51 -0500 Frank Warmerdam ha scritto: > Antonio Valentino wrote: > > Hi list, > > I'm trying to create a *Derived* raster band in a virtual dataset. > > > > All my attempts seems to fail: > > > ds.AddBand(options={'subClass': 'VRTDerivedRasterBand'}) > > >

Re: [gdal-dev] Creating derived raster bands using python

2009-03-05 Thread Frank Warmerdam
Antonio Valentino wrote: Hi list, I'm trying to create a *Derived* raster band in a virtual dataset. All my attempts seems to fail: ds.AddBand(options={'subClass': 'VRTDerivedRasterBand'}) raises an exception while ds.AddBand(options='subClass="VRTDerivedRasterBand"') ds.AddBand(options=['

[gdal-dev] Creating derived raster bands using python

2009-03-05 Thread Antonio Valentino
Hi list, I'm trying to create a *Derived* raster band in a virtual dataset. All my attempts seems to fail: >>> ds.AddBand(options={'subClass': 'VRTDerivedRasterBand'}) raises an exception while >>> ds.AddBand(options='subClass="VRTDerivedRasterBand"') >>> ds.AddBand(options=['subClass="VRTDeriv