Geographic Information Systems
Cost and Benefits of a GIS
Assessing Benefits of GIS Implementation.
Paper by Dr. F-J Behr that describes different categories of
benefits which can accru by introducing a GIS: efficiency,
operational, strategic, and external benefits.
Cost-Benefit
Analysis of GIS. Chapter 9 of the BEST-GIS "Guidelines
for Best Practices in User Interface for GIS" by the
Geographical Information Systems International Group.
Pragmatic Approach to the Cost-Benefit Analysis of
GIS. Paper by Darlene
Wilcox which attempts to outline a cosnsitant approach to
cost-benefit analyses.
Education:
AzPlanSite. This
site contains an introduction to GIS with tutorials on the basics
of GIS, implementation issues, purchasing considerations, and
using GIS for decisions as well as other issues to be considered
when implementing a GIS.
Civil Engineering Applications of Spatial
Information Science. On-line GIS course taught by I.
Zaslavsky et al.
ESRI User Conference Proceedings Archive.
Excellent site for papers presented at ESRI's User Conferences.
Geographic Information Science. Lecture
notes by S. Ahearn discussing, in part, spatial analysis,
cartographic modeling, spatial data models, spatial analysis,
spatial arrangement, and GIS design.
GIS
Overview. This site is written by G. Ritter & M. Schmaly
and contains sections on the history, applications, organization,
software and analysis tools, map projections, mad databases (with
a number of links), and image libraries.
Introduction to GIS. From the Kinston
Centre for GIS. The site has an overview of GIS along with a
glossary and list of acronyms.
National Center
for Geographic Information and Analysis. This is the home
page of the NCGIA research consortium with links to the diffrent
activities undertaken by the group. These activities include a
GIS Core Curriculum and web-based papers on GIS research
undertaken by the Center and funded through the National Research
Council.
Spatial Odyssey,
GIS Literature Database, University of Maine/NCGIA. Site allows
the user to search and retrieve papers on GIS topic areas.
GIS Development Issues:
GIS Development
Guides. This site contains 3 volumes including a manager's
overview, needs assessment and conceptual design; survey of
available data, evaluating hardware & software, etc., and;
acquisition of GIS hardware and software, applications
development, etc.
Implementation of a GIS for a Small Local Government
Entity. Paper by John Donoghue II discussing the
implementing of a GIS for the Inland Empire West Resource
Conservation District, California.
Legal Issues in GIS:
Copyright Law. This
site contains Title 17 of the U.S. Code pertaining to Copyright.
EPIC.ORG. Electronic Privacy
information Center. This is a public interest grou0p focusing on
the First Amendment. Besides privacy, the site contains links to
other information like cryptography and freedom of information.
Ethical Issues
in Electronic Information Systems. Part of the Geographer's
Craft Project written by M. Lynch. Discusses common ediquette,
copyright, access, privancy, and a number of other issues.
Freedom of
Information Act by the Legal Services Corporaton (LSC) with
links to a FOIA faq and LSC FOIA reports.
Freedom of
Information Act. Using the Freedom of Information Act, A
Step-by-step Guide by the American Civil Liberties Union.
Freedom
of Information Clearinghouse. This site contains links to the
Freedom of Information Act, amendments, briefs, and other FOIA
resources of possible interest.
Projects and Applications:
Georgia GIS Clearinghouse.
This site has a number of links to pages on the Georia GIS.
Documents available also include GIS standards and guidelines,
policy statement for statewide GIS activities, and NSDI node
implementation.
City of
Grande Prairie, Alberta, Canada. This site contains very
useful information from the city GIS Department. It discusses
their application planning, implementation strategies, schedule
of fees, and links to other useful department information.
Kentucky home
page on emerging technologies - GIS. This site dsisusses
development in the market, initiatives deployed in Kentucky,
potential emerging technology applications in Kentucky, and
implementation considerations.
Minnesota Land Management
Information Center. Home page for the GIS in the state.
Contains a number of links including documents, standards, EPPL7,
clearinghouse, etc.
New York State GIS Clearinghouse. Site
designed to disseminate information about New York's statewide
GIS Coordination Program and provide access to data and metadata.
Oakland County, MI, Enterprise GIS. Site
discusses the GIS program implemented in Oakland County, MI.
TIGER Homepage
from the U.S. Census Bureau
TIGER/Line(TM)
Files, 1992, an overview
United Nations,
Economic Commission for Europe Statistical Division's web
site. It contains a number of documents in different formats like
WordPerfect, Word, PDF and HTML on the use of GIS for statistical
analysis and regional statistice, for dissemination of
statistical data, experiences aquired in implementing a GIS, and
demonstrations.
Virginia.
The University of Virginia Library, Geographic Information
Center, Interactive spatiaol browsing to create a map of a
Virginia county.
Wayne County,
MI, GIS Management Unit. Site describes the on-going
GIS implementation in the county.
Links to Software:
Miscellaneous Issues in GIS:
Incorporating Time into GIS with Respect to
Environmental Modelling. Paper by Jonathon Gascoigne
that shows the importance of time in environmental modelling.
Standards and Errors in GIS:
Data Quality - This site covers
introductory comments, sources of error, data quality management
and control, and coping with uncertainty.
Errors in GIS - Computational Problems,
Advanced Problems from the Computer and Informationc Science
& Engineering web site. Material prepared by G. Ritter and M.
Schmalz.
Errors in GIS.
Lecture notes by Dr. Bill Hazelton for a course on Data in GIS:
Editing.
Spatial
Data Accuracy, compiled by S. Asmul, gives a cursory
desciption on accuracy and error and contains a number of links
to other sited dealing with this issue.
Stochastic Simulation Approach: Tools for
Representing Spatial Application Uncertainty.
Dissertation by C. Ehlschlaeger. For more information on GIS and
mapping visit Dr. Ehlschlaeger's professional home page.
Technical Aspects of GIS:
AI-Geostats:
The Central Served for GIS and Spatial Statistics on the
Internet. The site is maintained by G. Dubois and has links to
geostatistical FAQs, on-line papers, software, etc.
Chain codes. Lecture
7 - Efficient Storage of Lines. Discusses storing chains and hwo
chain codes can be applied to data based on Unit 31 from the
NCGIA Core Curriculum in GIS. Compiled with assistance from David
Douglas.
Delaunay
Triangulation. Site by D. Eppstein contains links to a number
of sites pertaining to Delaunay triangulation.
Delaunay
Triangulation. Link to a pdf format technical report
"Improved Incremental Randomized Delaunay
Triangulation" by O. Devillers. The report proposes a new
data structure to compute the Dalaunay triangulation by combining
good worst case complexities, fast behavior on real data, and
small memory occupation.
Delaunay
Triangulation. This page links to a paper "Fast and
Simple Triangle Strip Generation" by D. Kornmann (in pdf
format). This paper proposes a new approach to generating
triangle strips based on local analysis of the triangles.
Fractal
Geometry Fractal geometry - Introduction by Harold Brochmann.
Consists of a series of articles on fractal geometry including,
in part, dimensionality, self-similarity, and applications.
Fractal
Geometry Chaos Theory, Dynamic Systems and Fractal Geometry
by Tyeler Quentmeyer. This home page has links to the topics of
this article. The fractals page gives a simple explanation,
discussed fractal dimension, calculating the fractal dimension,
and shows different specific fractals.
Fractal
Geometry. The Fractal Microscope is an interactive tool
designed by the Education Group at the National Center for
Supercomputing Applications (NCSA) for exploring the Mandelbrot
set and other fractal patterns. The program is designed to run in
conjunction with NCSA imaging tools such as DataScope and
Collage. With this program students can enjoy the art of
mathematics as they master the science of mathematics. This focus
can help one address a wide variety of topics in the K-12
curriculum including scientific notation, coordinate systems and
graphing, number systems, convergence, divergence, and
self-similarity.
Fractal
Geometry. This document discusses the basic ideas of fractal
geometry with a brief introduction to the ideas involved in a
so-called ``fractal dimension'', and methods for computing this
quantity. Standard examples are used to illustrate the ideas.
Several current areas of research in the application of fractal
geometry are then discussed.
Fractals
from the Math Archives, Topics in Mathematics - Fractals. Site
contains a large number of links to sites pertaining to fractal
geometry. The sites are identified by their level of
presentation, Java enhancement, images, animation/movies, and
links.
Qhull. This
site contains the program QHULL that is used to compute the
convex hull and Delaunay triangulation. This program is from the
University fo Minnesota.
Quadtrees and
Scan Orders Unit 057 - Quadtrees and scan orders. This is a
part of the NCGIA Core Curriculum in GIS. Written by Michael
Goodchild.
Run Encoding,
Scan Order Lecture 11 - Raster Storage. Based on Unit 35 of
the 1990 NCGIA Core Curriculum in GIS, compiled with assistance
from Donna Peuquet. Discusses, in part, scan order, run encoding,
and decoding scan order.
Voronoi Diagrams. This site is
by C. Gold and it called the Voronoi Web Site. It includes
tutorials, applications, implementation, and theory of Voronoi
diagrams.
Voronoi
Diagrams. Excerpt from "The Algorithm Design
Manual". This site describes Voronoi diagrams with links to
implementation and related problems.
Voronoi
Diagram/Delaunay Triangulation Applet. This applet shows how
the Voronoi diagram and Delaunay triangulation are formed from
input of point by the user. The site is maintained by P. Chew.
Links to other pages:
This page is maintained by Bob Burtch and
was last updated on 16 January 2001.
Please send any comments or suggestions here.
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