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dev:gis_umn_mapserver [2007/06/22 13:20]
mifan created 		dev:gis_umn_mapserver [2009/07/06 20:36] (current)
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-Mapserver+====== Map Server How To ====== 
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 +===== Introduction ===== 
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 +Sahana's [[gis_infra|GIS framework]] supports plugging in a map server to enable WMS and WFS capabilities. Map server will provide those services to GIS clients which request maps using the data stored within a spatial database. 
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 +[[http://mapserver.gis.umn.edu|UMN MapServer]] is preferred because of it's support for different data formats, thus allowing their data to be accessible by a wide spectrum of clients. 
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 + 
 +===== Dependencies ===== 
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 + 
 +UMN MapServer requires a web server (Apache is preferred) and PHP, Python or Perl scripting language support should be there. 
 +Other mandatory libraries include the following. 
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 +  * libpng – library of routines to render PNG images 
 +  * freetype – font rendering library  
 +  * gd – library of graphics routines used by map server to render images. 
 +  * zlib – data compression library 
 + 
 +These libraries will allow MapServer to work with it's basic capabilities, for extended capabilities (such as connecting with PostGIS spatial database, accessing different data formats, ....) additional libraries are needed. 
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 +==== Map server for Windows ==== 
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 + 
 +The easiest way to use MapServer on the Windows platform is to use the free MS4W (MapServer For Windows) package from the [[http://www.maptools.org|www.maptools.org]] web site. 
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 +All you have to do is to extract the .zip file to a drive root (e.g. c:\) and you are ready to go! 
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 +All the essential libraries and apache web server is bundled in to the MS4W package. 
 +Run the apache web server by executing the apache.exe found inside the MS4W directory structure. 
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 +====Installing UMN Map Server in Linux ==== 
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 + 
 +=== Debian based distributions === 
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 +(Commands should be executed as the super user, thus following are tested on ubuntu linux) 
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 +  * sudo apt-cache search mapserver 
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 +make sure to have added community maintained open source software and main repositories added to your package manager's repositories list. 
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 +  * sudo apt-get update 
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 +You will see the map server cgi programme if it is there. 
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 +  * sudo apt-get install cgi-mapserver 
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 +command will install the map sever cgi program to your web server's cgi-bin directory with the dependencies libgdal1-1.3.2 and proj. 
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 +You are required to install a module to communicate with map server with a scripting language for development purposes. 
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 +Ex: php5-mapscript, perl-mapscript, python-mapscript 
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 +  * sudo apt-get install php5-mapscript 
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 +===== How to check whether MapServer is set up correctly ===== 
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 +Type in your browser: 
 +http://localhost/cgi-bin/mapserv 
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 +This will give you the following output: 
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 +No query information to decode. QUERY_STRING is set, but empty. 
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 +**Success Screen Shot**  LOL 
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 + 
 +{{dev:mapserver_test.png|}} 
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 + 
 +References : http://mapserver.gis.umn.edu 
 +http://www.maptools.org

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