[postgis-users] Sample usages of analytic functions

Alvin Cheung acheung01 at hotmail.com
Mon Feb 11 12:17:20 PST 2013


Thanks. I'd like to know if there are existing applications that make extensive uses of postgis built-in functions, as I am interested in learning how (and whether) the built-in functions are used. Kind of like what Pierre suggested, except that I am not sure whether the desktop application he mentioned already exists (and if so please let me know).
Regards,Alvin

Date: Mon, 11 Feb 2013 20:55:29 +0100
From: bo.victor.thomsen at gmail.com
To: postgis-users at lists.osgeo.org
Subject: Re: [postgis-users] Sample usages of analytic functions


  
    
  
  
    Alvin - 

      

      You might have a look at QGIS, http://qgis.org. It has a function,
      DBManager, where you can write almost any postgis/postgresql
      based  sql query and optionally present the result set as a new
      layer in QGIS.

      

      Regards 

      Bo Victor Thomsen

      Aestas-GIS

      Drenmark

      

         

      Den 11-02-2013 19:17, Alvin Cheung skrev:

    
    
      
      
        Hello,
        

          
        The PostGIS reference manual lists
            a lot of powerful built-in functions for processing and
            analyzing spatial data. However, I haven't been able to find
            many open-source applications that make use of such analytic
            capabilities beyond those that use relatively simple
            functionalities such as ST_X / ST_Centroid / ST_Area.  I am
            wondering if anyone has suggestions for applications that
            exploit PostGIS built-in functions to larger extents?

            

            Thanks,
        Alvin
      
      

      
      

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