A Planning Support System for Retrieving Planning Alternatives of Historical Conservation Areas from Spatial Data Using GIS

摘要: Urban conservation has drastically changed in theory, practice, and even its basic definition, over the past 50 years. The definition of urban is not limited to scope human society, which continued evolve since 1931 Athens Charter. Historical towns areas, as well their natural landscapes residential environments, are also included subjects conservation. In China, currently interest designers city administrators, who concerned with providing a historical identity an authentic identity. areas Beijing have become most congested due lack effective planning control management, these gradually became warrens, been settled by numerous migrant laborers.