Re: [gdal-dev] BandReadAsArray speed up

2009-02-23 Thread Frank Warmerdam
Gong, Shawn (Contractor) wrote: hi list, I am reading the image data for a bandobj, using BandReadAsArray() which works, but it is sometimes slow. Is it actually reading from the file? Is there a way to access the image data that is already in memory, or anything else I could do to speed it up

Re: [gdal-dev] BandReadAsArray speed up

2009-02-23 Thread Howard Butler
On Feb 23, 2009, at 5:32 PM, Gong, Shawn (Contractor) wrote: hi list, I am reading the image data for a bandobj, using BandReadAsArray() which works, but it is sometimes slow. Is it actually reading from the file? Is there a way to access the image data that is already in memory, or anyt

[gdal-dev] BandReadAsArray speed up

2009-02-23 Thread Gong, Shawn (Contractor)
hi list, I am reading the image data for a bandobj, using BandReadAsArray() which works, but it is sometimes slow.  Is it actually reading from the file?  Is there a way to access the image data that is already in memory, or anything else I could do to speed it up? thanks, Shawn __