[mapserver-dev] RFC97: Dynamically Creating High Zoom-Level Tiles
Smith, Michael ERDC-RDE-CRREL-NH
Michael.Smith at erdc.dren.mil
Tue Apr 16 03:50:07 PDT 2013
Another strong +1
US Army Corps
Remote Sensing GIS/Center
From: thomas bonfort <thomas.bonfort at gmail.com<mailto:thomas.bonfort at gmail.com>>
Date: Tuesday, April 16, 2013 2:43 AM
To: MapServer Dev Mailing List <mapserver-dev at lists.osgeo.org<mailto:mapserver-dev at lists.osgeo.org>>
Subject: [mapserver-dev] RFC97: Dynamically Creating High Zoom-Level Tiles
Resent-From: Michael Smith <michael.smith at usace.army.mil<mailto:michael.smith at usace.army.mil>>
Please find RFC97:
A bit short for an RFC, but a bit too long for just a ticket... This RFC basically allows serving tiles from high zoom levels by upscaling lower zoom level ones at request time, thus avoiding to fill up the caches with upscaled data.
Note that the RFC also provisions the usage of proxying these high zoom-level tiles to the source WMS instead of reconstructing them from the lower level tiles (use-case: the WMS is fast enough when zoomed-in, but needs caching when far away). This isn't implemented yet, but should be a contribution by the OpenWebBlobe folks in some future.
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