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Ok, that would explain the longer processing times, but Im still confused about file sizes. If JP2 has twice the compression ratio as JPG, then why are the rectified file sizes of my JP2 larger than JPG at the same quality setting? For example if I rectify an image the JPG file size would be ~6MB vs ~40MB for the Jpeg2000 image given the same quality setting for both (10 in this case). I notice rendering is much faster for the JP2 vs JPG and wouldnt this also be due to compression differences or does this have to do with Tiling Regarding Arc 10 vs 9 processing, Yes I have noticed an increase in performance except my copy seems to hang or become unresponsive half the time during JPEG2000 resampling and I have to force close
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12-12-2011
07:12 AM
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If I rectify a jpg2000 in Arc it takes 10x longer than a jpeg or tiff to resample. Secondly, the output file size is 2-3 times larger than the input jpeg2000 file that I started unless I set the quality to 10. This does not happen with jpeg. Is this normal?
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12-05-2011
07:13 AM
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I see that it is possible to create a a point geometry object in arcpy, but can I give it a graphic element to display or plot that point in a map document? I am trying to see if I can port some of my VBA stuff over to ArcPy.
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09-01-2011
09:36 AM
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