WPS Application

Development of geospatial web application for site selection for artificial recharge of groundwater

CSIR-National Environmental Engineering Research InstituteNehru Marg, Nagpur 440 020

October 10, 2013

Principal Investigator: Ritesh VijayCo-Investigators: Asheesh Sharma

• To develop a geospatial web application for site selection for artificial recharge of groundwater.

• To demonstrate the application considering local climatic, topographic, hydrogeologic and land use conditions.

Objective of the study

Minutes of the meeting (17 July 2013) and progressComments and suggestion Progress

Web processing services are now available for real time data updation, assigning weight to data sets etc.

Completed

Tool should be upgraded towards providing high level user - oriented services for suggesting alternative scenarios for the above applications.

Under development

The project is making use of freely available and open source software tools for WPS. Additional features have been added to the available tools to support site selection and structure suggestion

Using available and open source s/w and tools (QGIS, Geoserver, PostGIS, Geoexplorer, Apache, Apache Jmeter etc.

The tools and services should be shared with GISE Lab IIT Bombay for further evaluation and suggestion / comments.

Completed and received suggestions for the project

Performance and evaluation of technologies Used three server technologies for performance

Further development Under progress

WFS – web feature serviceWCS – web coverage serviceWPS – web processing serviceWMS – web map serviceGML – geography markup languageKML – keyhole markup language

Soil, Geology, Geomorphology,

Land use, Contour/DEM,

Water table etc.

Java/Servlet

WFS(Features)

WMS(maps)

Geoserver (open source Java libraries)

Feature viewer or editor

Analytical tool (GIS-AR)

Map viewer

KML

Feature Data GML

WPS(Processing)

KML viewer

Web browserClient

PostgreSQL +PostGIS

GMLGML

Apache Tomcat

Modified approach

Previous developments

WMS and WFS services

WPS services

WPS services

WPS services

Confirm editing service by opening in

Open source s/w

Recent developments

The tools and services shared with GISE Lab IIT Bombay for further evaluation and suggestion/comments.

Server 1

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Server 2

Server 2

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Server 3

Server 3

Server 3

Server 1

Server 3

Server 2

Geoexplorer

Performance analysisApache Jmeter

Simulated traffic for web service performance analysis

Server 1

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Server 1

Server 1

Server 2

Server 2

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Server 3

Server 3

Server 3

Project requirements and challenges overview

Initial inputs (shape files)• Depth of ground water (D)• Ground Water Recharge (R)• Area (A)• Soil parameters (S)• Topography (T)• Impact of vadose zone (I)• Hydrologic conductivity (C)

Conversion of D R A S T I C

inputs into OGC complied services

Process 1

Extracting services layer feature and augmenting it with defined

weights

Process 2 WFS/WPS new algorithmWMS/WFS

Weighted D R A S T I C

services

Output 1

OverlayedD R A S T I C

service

Output 2 WPSMultiple overlays

analysis

OverlayedD R A S T I C

service conversion to

raster

Output 3

Process 3

Process 4

WPSnew algorithm

Classification of raster based on cumulated weights

Process 5

WPSnew algorithm

Services for suitable zones

recharge recharges

Process 6

WMS/WFS

Established OGC standards

Challenges

Output 4

Output

Outcome

Implementation of WMS, WFS and WPS in the web based application

Demonstrate various WPS algorithms (intersection, overlay, feature extraction etc)

Demonstrate real time editing of layer features in PostGIS

Performance analysis of web application with and without geoserver

Future work

Feature editing through WPS

WPS process chaining

Implementation of site selection for artificial recharge algorithm

Thanks