โครงการจัดตัง้ ศูนย์ ข้อมูลภูมสิ ารสนเทศผ่ านเครื อข่ ายสารสนเทศเพื่อพัฒนาการศึกษา Geo-Spatial Digital Archive Project (GDAP) gdap.crma.ac.th Feb 15, 2012 Col. Supachai Srihom Chulachomklao Royal Military Academy Nakhon Nayok, Thailand Outline • GDAP Overview – Objective, Motivation, Problems, Data format – GDAP system design – GDAP web portal • GDAP Implementation – Focus area – Implementation plan Objective • Establish the South-East Asia Geospatial information center. • Produce a demonstration system of online geo-spatial data service • User can search and access the data through various methods: text search, geo-location search, and meta-data search. • The applications of the data will be for any studies that can utilize these data sets Overview of GDAP Geo-Spatial Digital Archive Project A demonstration system of online geo-spatial data service that user can search and access the data through various methods: text search, geo-location search, and meta-data search. The applications of the data will be for any studies that can utilize these data sets. Motivation – Availability of • Data: digital data via remote sensors, aerial photos, vector, 3D, public maps • Communication: internet, multimedia • Tools/Software • Cheaper hardware: computers, storage, digital cam, camcorder Problem Statement • Rarely exist online digital archive for Geo-Spatial Digital Data in Thailand • Most kept for private usage • Create online Geo-Spatial Digital Archive for public research William Hunt’s Aerial Photographs Collection World War II Map Landsat Satellite Images Sample Applications – History and Archaeology Study – Urban Study – Land Use/Land Cover Study Data Flow Diagram Original Map Interface Other Map Sources TIFF Converted JPEG Geo-Locate OpenLayer Search Engine Metadata Digital Archive Text-Based Map Interface GDAP •Search Engine Google, MapServer Other Map Sources MySQL Metadata • WMS, Yahoo, etc. OpenLayer Search Engine • OpenLayer script • Query to MySQL • Embedded in HTML Digital Archive Directory-Based * Keyword Search * Web Interface * PHP Query to MySQL Text-Based Listing + Thumnail GDAP web site SL-04 PC-01 Data in Digital Archive PC-02 LOCATION INDEX Present Data in Location Order PC-03 PC-03a Keyword Search Map System PC-03b bangkok Keyword Search PC-04 PC-05 Digital Map Example PC-06 WHC Aerial Photograph on Map PC-07 PC-10 Show the location of Map Data On the Mark PC-10a Relation of database and map PC-11 Acknowledgement • • • • CRMA University of Kyoto - CSEAS University of London -SOAS Uninet