Re: [gdal-dev] Raster algebra with Gdal and Python

2010-01-31 Thread SriRam . PrasadBhasker
Hi. Suggest to Immediately Upgrade to 1.7.0 also check if the users have correct Page File Settings for the Hard Drive Partitions. 1.7.0 is working excellently for Huge Images. Thank You Bhasker Alexande

Re: [gdal-dev] Raster algebra with Gdal and Python

2010-01-31 Thread Alexander Bruy
2010/2/1 Greg Coats : > Yes, GDAL can successfully process images with 15,000 columns by 15,000 rows. > I have used GDAL on a computer with only 3 GB RAM to process an image with > Image Width: 260,000 Image Length: 195,000. What version of GAL are you > using? Are you using GDAL 1.7.0? What ope

Re: [gdal-dev] Raster algebra with Gdal and Python

2010-01-31 Thread Greg Coats
Yes, GDAL can successfully process images with 15,000 columns by 15,000 rows. I have used GDAL on a computer with only 3 GB RAM to process an image with Image Width: 260,000 Image Length: 195,000. What version of GAL are you using? Are you using GDAL 1.7.0? What operating system are you using? H

Re: [gdal-dev] Runtime error on executing "OGRRegisterAll()" function.

2010-01-31 Thread Mateusz Loskot
Frank Warmerdam wrote: > On Thu, Jan 28, 2010 at 9:03 AM, Mateusz Loskot wrote: >> By the way, makefile.vc of PCIDISK SDK [1] pulled from external location >> to frmts/pcidsk/sdk override the flags specified in nmake.opt >> and explicitly set to /MD >> >> This may also potentially cause problems w

Re: [gdal-dev] Proposal: gdal_muladd.py

2010-01-31 Thread Greg Coats
Regarding the diff function "diff": computes the difference between 2 raster bands (b1 - b2) Since the result of diff could be a negative number, for example 99-150=-51, I suggest that there be an additional function that provides the absolute value of diff, which would be 51 in this example. Gre

[gdal-dev] Raster algebra with Gdal and Python

2010-01-31 Thread Alexander Bruy
Hi all I want to write a raster calculator and have two problems with Python and GDAL. My first problem: when calculating a difference between two raster bands I get a wrong results. Raster in ERDAS IMAGINE format (HFA) and bands extracted correctly. When I print each band and subtraction result

Re: [gdal-dev] Proposal: gdal_muladd.py

2010-01-31 Thread Antonio Valentino
Hi Matt, Il giorno Mon, 25 Jan 2010 20:57:58 -0600 Matt Klaric ha scritto: > On Mon, Jan 25, 2010 at 8:38 PM, Frank Warmerdam > wrote: > > > I don't think the VRT approach supports actually adding > > different images together, only overlaying and rescaling. > > > > > However, pixel functions c