Re: [Gdal-dev] mean of pixel stack

2009-07-14 Thread Neil Best
Greg Fiske wrote: > > > Does anyone have some code (or methodology) that they are willing to share > that will take a stack of images and return the mean or std dev. of each > pixel stack (pixels that occupy the same space), while ignoring a user > define pixel value? > Greg, I am pretty sur

[gdal-dev] mean of pixel stack

2009-07-10 Thread Greg Fiske
Dear list, Does anyone have some code (or methodology) that they are willing to share that will take a stack of images and return the mean or std dev. of each pixel stack (pixels that occupy the same space), while ignoring a user define pixel value? Thanks for any advice, Greg G