Re: [postgis-users] How we get raster values

2015-08-03 Thread Tom van Tilburg
Ahmet, I think it is about the same question as I earlier answered for Juli. I'm copy pasting it here, hope it helps: You have to adapt it to your own circumstances ofcourse, but at the same time I'd encourage you to read the documentation because it has samples included. --- Try

Re: [postgis-users] How we get raster values

2015-07-29 Thread Tom van Tilburg
Hi Ahmet, It depends on how you would like to have the values returned. If it's an average (or some other kind of statistics) I think you need a two step approach: 1) Clip the raster where it intersects with the polygon: http://postgis.net/docs/RT_ST_Clip.html 2) Do you stats on the

[postgis-users] How we get raster values

2015-07-27 Thread Ahmet Temiz
Hello, How can we get raster values of a map that intersects with certian part of a polygon map ? regards -- Ahmet Temiz Jeoloji Müh. Afet ve Acil Durum Yönetimi Başkanlığı Bilgi İşlem Dairesi Başkanlığı-CBS Grubu Ahmet Temiz Geological Eng. Information Systems -