Thank you, Are overview tables constructed as different layers in mapserver's map file ?
if so, I guess: according to zoom level, we choose overview layers or original full resolution map. Am I correct ? please let me know On Thu, May 7, 2015 at 3:18 PM, Jeff McKenna <jmcke...@gatewaygeomatics.com> wrote: > On 2015-05-07 5:20 AM, Ahmet Temiz wrote: > >> hello >> >> Can you give me a hint about using overviews from Postgis-raster data >> store ? >> >> kind regards >> >> >> > > I use PG 9.4.1 with Postgis 2.1.7 on MS4W and Ubuntu, and when I load > raster data, to create overviews through the raster2pgsql utility I specify > the "-l" switch and a factor, such as "-l 2". That will produce an extra > table containing the overviews (if the regular table is "lidar", the > overview table will be named "o_2_lidar"). Then I can choose to show > either table in MapServer. If I want to show the overview table, I would > specify "table=0_2_lidar" inside my DATA statement in the mapfile. > > -jeff > > > -- > Jeff McKenna > MapServer Consulting and Training Services > http://www.gatewaygeomatics.com/ > > > > > > > _______________________________________________ > mapserver-users mailing list > mapserver-users@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/mapserver-users > -- Ahmet Temiz Jeoloji Müh. Afet ve Acil Durum Yönetimi Başkanlığı Bilgi İşlem Dairesi Başkanlığı-CBS Grubu ________________________ Ahmet Temiz Geological Eng. Information Systems - GIS Group Disaster and Emergency Management of Presidency
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