Improving performance when using raster image tiles assembled with shape file

Chip Hankley Chip.Hankley at RMTINC.COM
Wed Jul 5 09:01:28 EDT 2006


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 <siukola.antti at GMAIL.COM> 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



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