Sorry to bother you guys again. This is just to give a little more details
about my arithmetic and what I use it for.
I wrote a GDAL C++ code that solves the following simple problem:
take two images, a source image with spatial resolution 25mx25m (high
resolution) and a destination imag
Chris,
You may get the most recent versions compiled daily from the development and
stable branches from this location
http://vbkto.dyndns.org:1280/sdk/
BTW: We are at GDAL 1.6.2, released 2009/07/31 with the most recent version.
Best regards,
Tamas
2009/9/16
> Are there Windows binaries o
Thank you very much very much Chris for clarifying things. Could you please let
me know which file contains the anti-aliasing code?
I did the arithmetic to compute the overlap but somehow I keep getting
non-smooth areas
(areas with very sharp boundaries). The spatial resolution of the source i
Belaid MOA wrote:
> Thanks for the reply. I do not see how anti-aliasing techniques could be
> used here.
anti-aliasing when warping rasters requires computing how much the
pixels of the source and destination overlap each-other.
> Does anyone else have simple answers to the two elementary ques
Are there Windows binaries of 1.6.1 anywhere?
http://download.osgeo.org/gdal/win32/1.6/
seems to have only 1.6.0, and the FWtools and Geoinformatica packages
don't seem to be set up for use with the Python bindings on PyPi. I
also can't tell what version they have anyway!
Thanks,
-Chris
-
I support Frank's suggestion, and note that it is my understanding
that when the user does not specify a value for --config
GDAL_CACHEMAX, then the default of (only) 40 MB is used.
In January 2009, working with GDAL version 1.6.0, I did some testing
and documenting of the effect of GDAL_CAC
Hermann Peifer wrote:
Hi,
Are there any hints from the experts about how to improve gdal_rasterize
perfomance?
My specific case is to rasterize a 1+GB shapefile into a 26800 x 23200
GeoTiff. Are there some memory settings or GeoTiff creation options that
could speed up the rasterization?
Hi,
Depending on your experience level with geospatial software I would
suggest starting with
1.) QGIS, www.qgis.org
Nice for looking into raster data with some fancy functions, useable
for beginners as well
2.) GDAL API tutorial, http://www.gdal.org/gdal_tutorial.html
If you want to dive into
Hi,
Are there any hints from the experts about how to improve gdal_rasterize
perfomance?
My specific case is to rasterize a 1+GB shapefile into a 26800 x 23200
GeoTiff. Are there some memory settings or GeoTiff creation options that
could speed up the rasterization?
Any hint is welcome, He
