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question about trigrid? [message #80945] Fri, 20 July 2012 11:24
beardown911 is currently offline  beardown911
Messages: 21
Registered: March 2007
Junior Member
Hi all,

I been working on georeferencing satellite data using TRIGRID function.
Geographic lat/lon grids were stored in arrays.
Two different imagery data that I've been dealing with have sizes of 1900x1200 and 5800x6230. Both image sets are 8-bit and three bands.
Processing time between those seems to be quite different which takes 2 min and more than 2 hours respectively. Size difference is around ~7mb vs. ~100mb.
I am not sure why the bigger images took way longer.
Is there any better option than TRIGRID in terms of calculation speed?

Thanks in advance,
Kim

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