Changes between Version 96 and Version 97 of WKTRasterTutorial01


Ignore:
Timestamp:
Sep 29, 2010, 8:38:17 AM (11 years ago)
Author:
pracine
Comment:

--

Legend:

Unmodified
Added
Removed
Modified
  • WKTRasterTutorial01

    v96 v97  
    1717Basically the problem introduced in this tutorial is to compute the mean elevation for buffers surrounding a series of point representing caribou observations. You can do this kind of analysis pretty easily in any GIS package but what is special here and not easy to do in ANY GIS package is the size of the datasets involved (900 MB of raster data), the simplicity of the queries and the speed at which we will get the results.
    1818
    19 We will describe the steps mainly on Windows, but Linux gurus will have no problem writing the equivalent commands in their favorite OS. We assume that PostgreSQL, PostGIS with WKT Raster are well installed. Refer to the readme file of each software to install them properly. The version used are:
     19We will describe the steps mainly on Windows, but Linux gurus will have no problem writing the equivalent commands in their favorite OS. We assume that PostgreSQL, PostGIS with WKT Raster are well installed. Refer to the readme file of each software to install them properly. The software versions used are:
    2020
    2121 * [http://www.postgresql.org/ PostgreSQL 8.4]