NDLI: Web Service for extracting Terrain Openness from DEM Data

Content Provider	IEEE Xplore Digital Library
Author	Wei Luo Xiaoyan Li Liping Di Stepinski, T.F.
Copyright Year	2009
Description	Author affiliation: George Mason University, CSISS, 6301 Ivy Lane, Suite 620, Greenbelt, MD 20770, USA (Xiaoyan Li; Liping Di) \|\| Lunar and Planetary Institute, 3600 Bay Area Boulevard, Houston, TX 77058, USA (Stepinski, T.F.) \|\| Department of Geography, Northern Illinois University, DeKalb, 60115, USA (Wei Luo)
Abstract	This paper discusses the implementation of the Terrain Openness parameter as a Web Service. Terrain Openness is a new morphology parameter that emphasizes surface concavities and convexities (Yokoyama et al., 2002) and can be derived directly from a digital elevation model (DEM). It is essentially an angular measure of the relation between surface relief and horizontal distance and can be used as a proxy for topographic curvature. It is not sensitive to noise in the data and has spatial scale built in its definition. However, the Terrain Openness parameter has not been widely used, perhaps because of limited software availability. Implementing it as a Web Service will ensure widest possible accessibility, because the only requirement for the user is an Internet connection and a standard web browser. This is made possible with recent advances in Service-Oriented Architecture (SOA), geospatial Web Services, and interoperability technologies. It is implemented within the framework of GeoBrain, an open, interoperable, distributed, standard-compliant, multi-tier web-based geospatial information services and knowledge building system.
Starting Page	1
Ending Page	5
File Size	1255281
Page Count	5
File Format	PDF
ISBN	9781424445622
DOI	10.1109/GEOINFORMATICS.2009.5293470
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-12
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer vision Surface morphology Service oriented architecture Extraterrestrial measurements Surface topography Data mining DEM Light sources Web Service Web services Azimuth Terrain Openness Digital elevation models
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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