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โครงการจัดตั้งศูนย์ข้อมูลภูมิสารสนเทศผ่านเครือข่ายสารสนเทศเพื่อพัฒนาการศึกษา. 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

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geo spatial digital archive project gdap

โครงการจัดตั้งศูนย์ข้อมูลภูมิสารสนเทศผ่านเครือข่ายสารสนเทศเพื่อพัฒนาการศึกษาโครงการจัดตั้งศูนย์ข้อมูลภูมิสารสนเทศผ่านเครือข่ายสารสนเทศเพื่อพัฒนาการศึกษา

Geo-Spatial Digital Archive Project(GDAP)

gdap.crma.ac.th

Feb 15, 2012

Col. Supachai Srihom

Chulachomklao Royal Military Academy

Nakhon Nayok, Thailand

outline
Outline
  • GDAP Overview
    • Objective, Motivation, Problems, Data format
    • GDAP system design
    • GDAP web portal
  • GDAP Implementation
    • Focus area
    • Implementation plan
objective
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

Overview of GDAPGeo-Spatial Digital Archive Project

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
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
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
sample applications
Sample Applications
  • History and Archaeology Study
  • Urban Study
  • Land Use/Land Cover Study
data flow diagram

Map Interface

Data Flow Diagram

Other Map Sources

Original

TIFF

Converted

JPEG

Geo-Locate

OpenLayer

Search Engine

Digital

Archive

Metadata

Text-Based

gdap search engine

Map Interface

GDAP Search Engine

Other Map Sources

  • Google, MapServer
  • WMS, Yahoo, etc.

MySQL

OpenLayer

Metadata

  • OpenLayer script
  • Query to MySQL
  • Embedded in HTML

Search Engine

Digital

Archive

Text-Based

Listing +

Thumnail

* Keyword Search

* Web Interface

* PHP Query to MySQL

Directory-Based

slide15

Data in

Digital Archive

PC-02

slide16

LOCATION INDEX

Present Data in Location Order

PC-03

slide18

Keyword Search

Map System

PC-03b

slide19

Keyword

Search

bangkok

PC-04

slide21

Digital Map

Example

PC-06

acknowledgement
Acknowledgement
  • CRMA
  • University of Kyoto - CSEAS
  • University of London -SOAS
  • Uninet