[postgis-users] Display of Postgis Raster with Pyramids

[Andreas Neumann]

 Hi,

 I learned how to import raster pyramids/overview with raster2pgsql. Now 
 I am wondering what I can do with those pyramids - e.g. for quick 
 display of the data.

 Is the client responsible for selecting the correct overview table or 
 are there any tools who automatically pick the right overview for the 
 display of the data?

 I tried to load the raster with a VRT file (which works fine, but is 
 slow when displaying all of the raster), but I don't know if I can 
 specify overview tables in the raster that help to speed up the display 
 (just I can do it with gdaladdo in a tiff-file).

 Thanks if you have any hints for better usage of the overview/pyramid 
 tables.

 Andreas

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 Andreas Neumann
 Böschacherstrasse 10A
 8624 Grüt (Gossau ZH)
 Switzerland