Using Qgis version 1.4.0 built against code revision 12644:12645M from 
http://www.kyngchaos.com for Mac OS X 10.6.2, I find that starting up from the 
.qgs file takes 4 minutes, and during this time Activity Monitor reports that 
Qgis is consuming 99% of the CPU. The largest file in the project is only 37 
MB. The computer has a 2.33 GHz Intel Core 2 Duo processor, with 3 GB RAM. 
After start up, Qgis quickly pans and zooms in and out through the imagery. 
Only one raster image is drawn at any particular scale. What is Qgis doing at 
start up that requires 4 minutes of CPU? What can be done to reduce the start 
up time to no more than 30 seconds? Greg

The project can be downloaded from 
http://homepage.mac.com/gregcoats/jp2/images/dcua_reduce6_01.zip

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