On December 26, 2004 a colossal earthquake in Indian Ocean created a gigantic tsunami that brought a horrible disaster to 6 southern provinces along the coast of Andaman Sea (Ranong, Phangngna, Phuket, Krabi, Trang, Satoon). The impacts of the disaster tremendously affected people, communities and the environment. Providing vast expertise and resources, Chulalongkorn University established a center for tsunami disaster recovery and mitigation. The center mission is to support the effort of government agencies especially the Minister of Natural Resources and Environment in recovering, mitigating and developing the affected areas. At the point of departure, Chulalongkorn University has organized tremendous effort in into 10 major activities which can be categorized in 4 categories and Developing Digital Color Ortho Photo Data project as follow.