![]() A good PGIS practice is embedded into long-lasting spatial decision-making processes, is flexible, adapts to different socio-cultural and bio-physical environments, depends on multidisciplinary facilitation and skills and builds essentially on visual language. GIS-based maps and spatial analysis become major conduits in the process. PGIS practice is geared towards community empowerment through measured, demand-driven, user-friendly and integrated applications of geo-spatial technologies. Participatory GIS implies making GIT available to disadvantaged groups in society in order to enhance their capacity in generating, managing, analysing and communicating spatial information. ![]() PGIS combines a range of geo-spatial information management tools and methods such as sketch maps, Participatory 3D Models (P3DM), aerial photographs, satellite imagery, Global Positioning Systems (GPS) and Geographic Information Systems (GIS) to represent peoples’ spatial knowledge in the forms of virtual or physical, 2 or 3 dimensional maps used as interactive vehicles for spatial learning, discussion, information exchange, analysis, decision making and advocacy. The practice is the result of a spontaneous merger of Participatory Learning and Action (PLA) methods with Geographic Information Technologies (GIT). As defined by the participants in the " Mapping for Change International Conference (PGIS'05)" which took place in Nairobi, Kenya in September 2005, Participatory GIS ( PGIS) is developing out of participatory approaches to planning and spatial information and communication management.
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