On Friday 17 August 2007 15:29, Mevima Winn wrote: > I'm currently building a mapping application off C#, MapServer 4.10, and > approximately 45 SHP files. Many of them are pretty fast to load, > especially utilizing the MINSCALE/MAXSCALE function, but once I start > zooming in to where US roads and tiny lakes start appearing, the app slows > WAY down. Our theory here is that it's either trying to load the whole > shapefile and then zooming in on one spot, or reloading the shapefile every > time there is a new request. > > So does anybody have an idea what might be happening? The 350MB SHPfile > tends to take 20 seconds or so to load, whereas the 2.5GB SHPfile can take > several minutes. Is there a way around this load time, or a way to > optimize it? We kind of need all of the data, at least at these particular > zooms.
search the archives for a tool called 'shptree', and spatial index files Dylan > > ____________ > Mevima Winn > Wireless Applications Corp. > 111 108th Ave. NE. > Suite 160 > Bellevue, WA 98004 > [EMAIL PROTECTED] > No virus found in this outgoing message. > Checked by AVG Free Edition. > Version: 7.5.484 / Virus Database: 269.12.0/957 - Release Date: 8/16/2007 > 1:46 PM -- Dylan Beaudette Soils and Biogeochemistry Graduate Group University of California at Davis 530.754.7341