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Your question probably covers too many topics to be adequately addressed. Performance issues with large raster datasets are related to hardware, image format, as well as all of the intricacies of how you set up your tileindex.
This issue comes up VERY frequently on the list. Ed McNierney has a lot of experience serving HUGE raster data sets through MapServer... his responses to raster performance questions are generally very detailed and offer good information, insight, and options for improving performance. The following query of the archives returned a bunch of great hits:
Raster AND Performance AND Ed
HTH!
Chip
>>> antti siukola <[EMAIL PROTECTED]> 7/5/2006 2:27:07 AM >>> Hi!
What is the best way to improve performance when using large tif tiles assembled with shape files. Now my response time is about 20 sec. per page load when viewing the whole map since the whole size of the map is about 3.3GB. Is pre-built overviews the solution (gdaladdo)? AnttiS Outgoing messages, along with any attachments, are scanned for viruses prior to sending. NOTICE-- This email may contain confidential and privileged information for the sole use of the intended recipient. Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender immediately and delete all copies. |
