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Development of WebGIS Based Land Information System Using Open Source Software for Balangoda

Urban Council

ByMr. Chamara Prasanna 07/SS/030 Mr. K.M.M.S Senarath 07/SS/035

1Faculty Of GeomaticsSabaragamuwa University of Sri Lanka

Supervised ByDr Thilantha Dammelage

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1.0 Introduction1.1 General BackgroundLIS• Legal, administrative and economic decision making in order

to planning and development of land• Database containing spatially referenced land related data for

a defined area• Procedures and techniques for the systematic collection,

updating, processing and distribution of that data

Modern trend is to publish LIS as GIS services

GIS servicesPublished geographic information services Can accessed over the Web Using standard technologies and protocols

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WebGIS

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Web Map ServerA standard protocol for serving georeferenced map images over the Internet that are generated by a map server using data from a GIS database.

Web Server

Helps to deliver Web content that can be accessed through the Internet

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1. Land management problems

• Land degradation • Finding suitable places for each type of purpose

2. Tax payment procedure problems

• Time and Accuracy• Updating• Multi storeys buildings having different owners • Large number of human power

3. Data Sharing

• between different sections in UC • visualize those data to people

4. Software cost

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1.2 Land related problems of Balangoda Urban Council

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1.3 Suggested solution to overcome the problems

1. Land management

2. Spatial data storage and quick Input and output method

3. Data sharing and visualization

4. Cost

5Development of WebGIS based Land Information System using open source software

GIS

Spatial Database

Web

Open Source

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1.4 Research Problem

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Main Problem

How to develop webGIS based LIS using only open source software having 3D information as well?

Secondary Problems

1. How to make digital maps which connecting to data base for doing land management and effective tax procedure?

2. How to publish created digital maps through WWW keeping capable of doing spatial analyzing and quick input and output?

3. How to visualize 3D information on the map?

4. How to use free software only when doing above thing?

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1.5 Objective

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Main Objective

To develop webGIS based LIS using open source software having 3D information as well

Secondary Objectives

1. To make digital maps which connecting to data base for doing land management and effective tax procedure?

2. To publish created digital maps through WWW keeping capable of doing spatial analyzing and quick input and output?

3. To visualize 3D information on the map?

4. To use free software only when doing above thing?

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1.6 Significance of the Research Land Information System,1. Digital• Easy and effective spatial data management and storage

capability• Can update and retrieve information easily

2. Web Based• Can access to data freely and quickly to general people and

another government and private companies.• Easy to share data between different section of UCs

3. Querying data• Land use planning • Land administration• Design making in situation like natural disaster etc

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1.6 Significance of the Research

4. 3D Land Information

3D information in this research1. Height of Buildings2. Number of storeys of building3. Owner name of each storey of one building4. Visualization of cartographic 3D view of building

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5. Open Source

• No any sort of software cost for developing using and updating of system

• Very important for developing countries like Sri Lanka

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1.7 Limitation of Research• Balangoda Urban Council

1. Very interesting to use new technology.2. Completely finished government title registration

programme.3. Nearest Urban Council from Sabaragamuwa University.

• Not consider entire UC’s area as study area

1. Within given time period can’t collect ,input such amount of data.

2. Can’t get all UC’s area’s cadastral layer from Survey Department 10

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1.8 Study area

• Most important area in Balangoda UC.

• Have private and governments buildings.

• Area of 16.2 km² and very populated area comparing to other area.

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2.0 Literature Review

Development of a Web Based Land Information System (LIS)using Integrated Remote Sensing and GIS Technology forGuwahati City, India(Sarma B, et al.,2003)

“The multi query facility provided in the Web based Land Information System (LIS) allows any individual to gather information regarding land holding.

The web based plot wise information system provides the facility for ready and immediate extraction of information regarding land ownership and built up history”.

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2.0 Literature Review

A WebGIS and geodatabase for Florida’s wetlands 2004 (Mathiyalagana V. ,et al.,2004)

“There is need to develop more Web-based tools to share environmental datasets and information.

Decision-makers and administrators often have limited expertise in GIS and complex spatial analyses.

WebGIS has the potential to share data, provide easy access for users with limited GIS knowledge

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2.0 Literature Review3D Cadastre ,Jantine Esther STOTER (2004)

“It can be concluded that a full 3D cadastre that both registers surface parcels and volume parcels offers best potentials and is realizable”. Cases in Queensland, British Columbia, Norway and Sweden showed already that it is possible to establish volume parcels within the juridical frameworks.”

“This thesis showed that it is possible to register volume parcels together with 2.5D surfaces of parcels within a cadastral and technical framework”.

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2.0 Literature ReviewGis Based Land Information System For Mandal Soum, Selenge Aimag Of MongoliaTuul,B.(2010)

“This project demonstrates that Land Information Systems can be created using Open Source GIS software as e.g. QuantumGIS, gvSIG, uDig and the Open Source database management system PostgreSQL /PostGIS.

“Systems which are based on Open Source GIS software are new for many professionals in Mongolia and of special importance for developing countries due to their cost efficiency.”

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3.0 Research Methodology

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Client Web Browser

Map Server

Web Server

Parcel and Road Layer Base Raster Image Building Layer

Google Map Layer

GeoreferencingDigitizing &

Database creation

DWG Cadastral Layer

Digitizing & Database creation Tax Information MapLand Management Map

Georeferencing

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3.0 Research Methodology1. Making digital maps connecting to a data base for doing

land management and tax procedure effectively• Marking base raster image

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3.0 Research Methodology• Marking Building parcel & road Layer

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3.0 Research Methodology• Marking Land management and Tax Information map

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3.0 Research Methodology2. Publishing digital maps through WWW keeping

capable of doing spatial analyzing and quick output?

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3.0 Research Methodology

Published URL of one GIS Layer

http://localhost:8080/geoserver/Test4/wms?service=WMS&version=1.1.0&request=GetMap&layers=Test4:Road%20Layer&styles=&bbox=80.38586882761503,6.6466470588435165,80.39038315293672,6.652113079815043&width=422&height=512&srs=EPSG:4326&format=application

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Server Side Java Scripting (open layers)

<script defer="defer" type="text/javascript"> var map, infocontrols, water, highlightlayer; function load() {map = new OpenLayers.Map('map', {projection: 'EPSG:4326',maxExtent:newOpenLayers.Bounds(80.38306564115591,6.64641799884841,80.39385614609655, 6.65447406783918),maxResolution: 0.00001,units: 'm'})var wms1 = new OpenLayers.Layer.WMS('Satellite Image','http://localhost:8080/geoserver/Test4/wms',{layers: 'Test4:Test4_Raster'},{attribution: 'Google Map Layer',isBaseLayer: true});……map.addLayers([wms1,wms2,wms3,wms4]);

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3.0 Research Methodology

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Codes for quick out of attribute data infoControls = { click: new OpenLayers.Control.WMSGetFeatureInfo({ url: 'http://localhost:8080/geoserver/Test4/wms', title: 'Identify features by clicking', layers: [wms2,wms3,wms4], queryVisible: true }),hover: new OpenLayers.Control.WMSGetFeatureInfo({ url: 'http://localhost:8080/geoserver/Test4/wms', title: 'Identify features by clicking', layers: [wms2,wms3,wms4], hover: true, queryVisible: true }) };

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3.0 Research Methodology

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Codes for to get tool for distance and areameasureControls = { line: new OpenLayers.Control.Measure( OpenLayers.Handler.Path, { persist: true, handlerOptions: { layerOptions: { renderers: renderer, styleMap: styleMap

polygon: new OpenLayers.Control.Measure( OpenLayers.Handler.Polygon, { persist: true, handlerOptions: { layerOptions: { renderers: renderer, styleMap: styleMap

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3.0 Research Methodology

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3. How to visualize 3D information on the mapUses classification style and legend diagram to visualize 3D information map

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3.0 Research Methodology

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3. How to visualize 3D information on the map

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3.0 Research Methodology

<imgsrc="http://localhost:8080/geoserver/Test4/wms?REQUEST=GetLegendGraphic&VERSION=1.1.1&FORMAT=image/png&WIDTH=20&HEIGHT=20&LAYER=Test4:Parcel Tax Map" width="50" height="100"></div>

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4.0 Results 4.1 Develop Web maps

Tax Information Map

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Land Management Map

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4.0 Results

4.2 Quick retrival of attribute data

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4.0 Results

4.3 3D Information on Map

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4.0 Results

4.4 Distance and Area calculation , SLD 99 coordinate and scale of map

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5.0 Discussion

Drawbacks for Open Source SoftwareLot of software, Hard to chose best oneTake time to learnMore technical ability neededNot full support from authorData Interoperability cases

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