You should not need to pyramid ECW files - unless you have a lot of them in a viewable extent. While a single 25Gb ECW file for the world @25 meter resolution gives good performance, 1000 25Mb tiled files would perform poorly at a world view. You CAN create pyramids using a URL grabber in a script pointed to your WMS server. Mark ________________________________
From: UMN MapServer Users List [mailto:[EMAIL PROTECTED] On Behalf Of José Ramón López Sent: Wednesday, December 12, 2007 2:09 AM To: [email protected] Subject: [UMN_MAPSERVER-USERS] ECW Pyramid Hi List. I have populated a raster layer using a Tileindex made from ECW Files. This layer is visible 1:1000 scale with MAXSCALE parameter. As is not possible to create ECW pyramids. Whe have got another raster layer resampling these ECW files. We would like to populate a single raster layer that uses one tile index created from the resampled ECW, visible at 1:10000 scale (and smaller), and another tileindex from the original ECW files visible at bigger scales. Is it possible? If not, please tell me how could I do something similar. Tnaks.
