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dev:gis_arch [2008/05/20 06:43]
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-====== Sahana GIS Architecture ====== 
-The Sahana GIS architecture follows some important goals 
-  * Standards Based 
-  * F/OSS Component Reusability 
-  * Implementation independent plugin-architecture 
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-GIS in Sahana is implemented as core library functionality under <sahana-folder>/inc/lib_gis. Some functionality such Situation Mapping and GPS Interface are implemented as modules.  
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-The functionality is easily-accessible to module developes via the [[gisapi|GIS API]] 
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-The Sahana GIS is designed with reuse and standards in mind. 
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-==== Overview Architecture ==== 
-{{dev:gis_arch_w.png|}} 
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-  * [[gis_infra|GIS Infrasructure Roadmap]] 
-  * [[http://www.reliefsource.org/foss/index.php/Req:gis_map|Reliefsource Wiki]] 
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-==== Requirements ==== 
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-The GIS functionality has a few requirements of the base system above a non-GIS Sahana instance: 
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-  * [[doc:needs:english#gis_requirements|PHP modules needed active in Web server]] 
-  * [[doc:installunix:english#ensure_folders_writable_by_webserver|Folders writable by Web server]] 
  

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