Re: [gdal-dev] best way to compare in a numpy table the values of two images with different projection

2010-05-12 Thread Frank Warmerdam
Matthieu Rigal wrote: Hi folks, I am currently implementing a tool to allow band-to-band computations on array values out of 2 images with different projection and different resolution in python. The operation is quite complex, so I will summarize it here and below give the solution I am cur

Re: [gdal-dev] best way to compare in a numpy table the values of two images with different projection

2010-05-12 Thread Chaitanya kumar CH
Matthieu, Looks like you are finally reprojecting the image, perhaps to the projection of image B. Reprojection is costly. I suggest performing it on A instead of B. Let us know how it goes. On Wed, May 12, 2010 at 7:19 PM, Matthieu Rigal wrote: > Hi folks, > > I am currently implementing a too

[gdal-dev] best way to compare in a numpy table the values of two images with different projection

2010-05-12 Thread Matthieu Rigal
Hi folks, I am currently implementing a tool to allow band-to-band computations on array values out of 2 images with different projection and different resolution in python. The operation is quite complex, so I will summarize it here and below give the solution I am currently testing to see if