Re: [gdal-dev] generate shapefile from program

2008-07-20 Thread Wendell Turner
On Sun, Jul 20, 2008 at 01:09:45PM +1000, [EMAIL PROTECTED] wrote: > > Can someone point me to a python program that will generate > > a shapefile from scratch? > > > > Given an extent, projection, and set of lat/lng to place > > some markers or images, I would like a python (or c or c++) > > progr

Re: [gdal-dev] reading large image files

2008-07-20 Thread Jonathan Greenberg
I want to back up Even's statement about trying to read a file piece-by-piece. About 99% of raster processes are better handled with "tiled" processing -- a nice balance between i/o, memory and sanity would be to read the image one line at a time, perform your processing on that line, write th