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/
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--
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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