LOGO
© Copyright FadlyhilmanComputer Science- Bogor Agricultural University
FIRE FOREST SPATIO-TEMPORAL DATA FIRE FOREST SPATIO-TEMPORAL DATA WAREHOUSE WAREHOUSE USING GEOMONDRIAN AND USING GEOMONDRIAN AND
GEOSERVERGEOSERVER
Muhammad Hilman FadliHari Agung Adrianto, S.Kom, M.Si
1COMPUTER SCIENCE DEPARTEMENTBOGOR AGRICULTURAL UNIVERSITY
(IPB)
LOGO
Background
1
Indonesia forest area decreasing every year – about 1,87 million hectare burn annually or 2% from 88,495 million forest remain in 2005 (FAO, 2007)
2
LOGO
Background (cont..)
2 Existing hostspot/fire monitoring system using AVHRR–NOAA , MODIS satellite
3
(Modified from http://dishut. tabalongkab.go.id/wp-content/ uploads/2010/05/GIS.jpg)
(dimodifikasi dari http://dishut. tabalongkab.go.id/wp-content/ uploads/2010/05/GIS.jpg)
LOGO
Background (cont..)1,21 Km2 (NOAA)
1,1 Km
1,1 Km
H H
H H H
H H H
H H
1,1 Km
1,1 Km
4
LOGO
www.indofire.org
accessed today
5
LOGO
Datawarehouse / OLAP
Datawarehouse Characteristics :
Subject Oriented
Integrated
Time Variant
Non- Volatile
6
Online Analytical Processing Operation:
Roll-Up
Drill-Down
Slicing
Dicing
LOGO
Historical Research
Not accommodate spatial aspects yet
Pulau_id Provinsi_id Kabupaten_id
7
hotspot
LOGO
Historical Research (Lanj..)
Trisminingsih R (2010)
“Pembangunan Spatial Data Warehouse dan Aplikasi Spatial OLAP Berbasis Web untuk Persebaran Hotspot di Wilayah Indonesia”
Capable to handling spatial
aspect
Capable to handling spatial
aspect
Visualize the mapST_Within( [Lokasi].CurrentMember.Properties("hotspot_geom"), ST_GeomFromText("POINT ((139.16 -3.27))") )) 8
LOGOMethodology
Query Test Query Test
ETL Process
Work?Work?
Data AnalysisData Analysis
Data Extraction
Data Extraction
Data Transformatio
n
Data Transformatio
n
Data Loading Data Loading
Data Warehouse
Development
Data Warehouse
Development
SpatioTemporal Data
Warehouse
SpatioTemporal Data
Warehouse
Yes
No
Literature ResearchLiterature Research
Map Generating
Map Generating 9
LOGO
Data UsedHotspot DataHotspot detected by NOAA
(1997-2005)
Source :
Direktorat Pengendalian Kebakaran Hutan (DPKH) DEPHUT RI
Attributes :
year, month, date, time, NOAA (satelit), longitude, latitude, province, and district
Hotspot DataHotspot detected by NOAA
(1997-2005)
Source :
Direktorat Pengendalian Kebakaran Hutan (DPKH) DEPHUT RI
Attributes :
year, month, date, time, NOAA (satelit), longitude, latitude, province, and district
Multidimensional Data StorageMultidimensional Data Storage
10
Administrative Boundary Data Source www.inigis.infoformat .shp - scale1: 25.000 Atributes : province code, province name, district code, district name
Administrative Boundary Data Source www.inigis.infoformat .shp - scale1: 25.000 Atributes : province code, province name, district code, district name
LOGO
Proses ETL (Extract, Transform, Load)
ExtractExtract TransformsTransforms LoadLoad
Get relevan data according to defined multidimensional cube
Atribut generalisation, atribute agregation and construction
Data Conversion and loading into spatial database
Data reduction, Data Cleaning, Select relevan data
Nama-nama atribut disesuaikan dg nama atribut pada skema multidimensi (snowflake)
Load into Postgresql/PostGIS, load into datacubei
11
LOGOSpatio-Temporal Cube (Geocube)
19971998
FACT
waktu(Time/ Temporal)
lokasi(Place/Spatial)
satelit
NOAA12……… NOAA14
……
….
Dimension Measure
lokasi satelit waktu Jumlah_Hotspot Luasan_Hotspot (km2)
Jawa NOAA 12 1997 234.765 284.066
Jawa
Kalimantan
……
….
12
LOGO Snowflake Scheme – forestfire_spatialcube
fakta_forestfire
id_waktuid_satelitkode_hotspot
Jumlah_Hotspot
waktu
PK id_waktu
BulanKuartilTahun
satelit
PK id_satelit
nama_satelit
geohotspot
PK kode_hotspot
hotspot_geomkode_kab
kabupaten
PK kode_kab
nama_kabkab_geomkode_prov
provinsi
PK kode_prov
nama_provprov_geomkode_pulau
pulau
PK kode_pulau
nama_pulaupulau_geom
(Schema Workbench)
(Trisminingsih R, 2010)
Luasan_Hotspot
13
LOGO
14
LOGOGeomondrian
Sumber Data
TXT
XLS
Web SOLAP :> SOLAP Table> SOLAP Graphics
Application Server
DatabaseUser
Interface
15
LOGO
16
LOGO
Three Tier Architecture
( http://opengeo.org/publications/opengeo-architecture/stack-summary.png [1 Juli 2011] )
17
LOGO
GeoExt & Geoserver Services
Able to accommodate services provided by web map server
(Hocevar, 2009)
18
LOGOGeomondrian-Geoserver
Sumber Data
TXT
XLS
Web SOLAP :> SOLAP Table> SOLAP Graphics
Application Server
Database
Web Integratio
n
UserInterface
19
LOGO
Result
20
Select{[Measures].[Frekuensi_Hotspot],
[Measures].[Luasan_Hotspot]} on columns,
{[Satelit].[Semua Satelit]} ON rowsfrom forestfire_spatialcubewhere [Waktu].[2005]
Select{[Measures].[Frekuensi_Hotspot],
[Measures].[Luasan_Hotspot]} on columns,
{[Satelit].[Semua Satelit]} ON rowsfrom forestfire_spatialcubewhere [Waktu].[2005]
SELECT {[Measures].[Frekuensi_Hotspot]} ON COLUMNS,Filter( {[Lokasi].[Hotspot].members}, ST_Within( [Lokasi].CurrentMember.Properties("hotspot_geom"), ST_GeomFromText("POINT ((139.16 -3.27))") ) ) ON ROWSFROM [forestfire_spatialcube]WHERE [Waktu].[1997]
SELECT {[Measures].[Frekuensi_Hotspot]} ON COLUMNS,Filter( {[Lokasi].[Hotspot].members}, ST_Within( [Lokasi].CurrentMember.Properties("hotspot_geom"), ST_GeomFromText("POINT ((139.16 -3.27))") ) ) ON ROWSFROM [forestfire_spatialcube]WHERE [Waktu].[1997]
LOGO
21
LOGO
22
LOGO
23
LOGO
24