Re: [gdal-dev] Cannot read overviews if VSI cache is on

2013-07-26 Thread Radim Blazek
Hi Even, thanks for quick response and exhaustive information. On Fri, Jul 26, 2013 at 2:37 PM, Even Rouault wrote: > Selon Radim Blazek : > >> GDAL 1.9.2 fails to read (large?) overview files if >> VSI_CACHE=TRUE >> VSI_CACHE_SIZE=100 >> The problem is described here: http://hub.qgi

Re: [gdal-dev] Cannot read overviews if VSI cache is on

2013-07-26 Thread Radim Blazek
Hi Even, thanks for really fast resolution! Radim On Fri, Jul 26, 2013 at 9:26 PM, Even Rouault wrote: > Le vendredi 26 juillet 2013 14:37:21, Even Rouault a écrit : >> Selon Radim Blazek : >> > GDAL 1.9.2 fails to read (large?) overview files if >> > >> > VSI_CACHE=TRUE >> > VSI_CACHE_S

Re: [gdal-dev] Cannot read overviews if VSI cache is on

2013-07-26 Thread Even Rouault
Le vendredi 26 juillet 2013 14:37:21, Even Rouault a écrit : > Selon Radim Blazek : > > GDAL 1.9.2 fails to read (large?) overview files if > > > > VSI_CACHE=TRUE > > VSI_CACHE_SIZE=100 > > > > The problem is described here: http://hub.qgis.org/issues/8356. > > I just guess, that over

Re: [gdal-dev] OGRLayer.Intersection() Question

2013-07-26 Thread Dheeraj Reddy Mamidi
Hi Ari, I did try passing the two callback arguments as null (trying to ignore). It doesn't seem to work by doing that. Thanks, Dheeraj On Fri, Jul 26, 2013 at 1:09 AM, Ari Jolma wrote: > On 07/01/2013 10:13 PM, Dheeraj Reddy Mamidi wrote: > > Hi All, > > I was trying to perform intersectio

Re: [gdal-dev] Cannot read overviews if VSI cache is on

2013-07-26 Thread Even Rouault
Selon Radim Blazek : > GDAL 1.9.2 fails to read (large?) overview files if > VSI_CACHE=TRUE > VSI_CACHE_SIZE=100 > The problem is described here: http://hub.qgis.org/issues/8356. > I just guess, that overview file keeps overview headers scattered over > the file and VSI fails to set of

[gdal-dev] Modis MCD45 GeoTiff subsetting offset

2013-07-26 Thread Wesley Roberts
Dear gdal-dev I am currently working with some burnt area (GeoTIFF) data from the University of Maryland (http://modis-fire.umd.edu/Burned_Area_Products.html). I have been attempting to subset this data to my study area. Unfortunately when I subset the GeoTIFF the output is offset in a south easte

[gdal-dev] Cannot read overviews if VSI cache is on

2013-07-26 Thread Radim Blazek
GDAL 1.9.2 fails to read (large?) overview files if VSI_CACHE=TRUE VSI_CACHE_SIZE=100 The problem is described here: http://hub.qgis.org/issues/8356. I just guess, that overview file keeps overview headers scattered over the file and VSI fails to set offset, 17891712530 in this case, ov

Re: [gdal-dev] OGRLayer.Intersection() Question

2013-07-26 Thread Ari Jolma
On 07/01/2013 10:13 PM, Dheeraj Reddy Mamidi wrote: Hi All, I was trying to perform intersection on two feature classes (shape file format) using OGRLayer.Intersection(), but have problems making it work with C# bindings. I am not able to figure out on how to pass the arguments SWIGTYPE_p_GD