Arcgis Spatial Analyst

Key Features
ArcGIS® Spatial Analyst
ArcGIS® Spatial Analyst
Advanced Raster Spatial Analysis
Advanced Raster Spatial Analysis
ArcGIS® Spatial Analyst, an optional extension to ArcGIS Desktop (ArcInfo®, ArcEditor™, and ArcView®), provides powerful tools
With ArcGIS Spatial Analyst, You Can
ESRI
for comprehensive, raster-based spatial analysis. With ArcGIS Spatial Analyst, users can employ a wide range of data formats to
ESRI Regional Offices
380 New York Street
combine datasets, interpret new data, and perform complex raster operations such as terrain analysis, surface modeling, surface
Redlands, California
interpolation, hydrologic analysis, statistical analysis, and much more.
• Create, query, map, and analyze cell-based
Minneapolis
Olympia
92373-8100 USA
651-454-0600
raster data.
360-754-4727
Through its simple yet powerful interface, ArcGIS Spatial Analyst provides an integrated environment within ArcGIS Desktop for
St. Louis
Boston
• Derive additional information about your data.
Phone: 909-793-2853
doing advanced raster analysis. ArcGIS Spatial Analyst software’s strong integration with the ArcGIS Desktop geoprocessing envi-
636-949-6620
Philadelphia
978-777-4543
Fax: 909-793-5953
ronment allows users to create and implement analysis models quickly and easily. These models are self-documenting and can be
• Create surfaces using interpolation tools such
610-644-3374
E-mail: info@esri.com
saved so others can understand the spatial analysis process applied and “What if” scenarios can be easily executed and
as IDW, Spline, and Kriging.
results compared.
• Perform statistical analysis based on local
environment, small neighborhoods, or predeter-
Users of ArcGIS Spatial Analyst include those who need to build complex site location analysis models as well as those users who
mined zones.
are interested in conducting terrain and visibility modeling or who want to perform density mapping, overlay, distance analysis, or
For more than 35 years, ESRI has
interpolation. Typical uses of ArcGIS Spatial Analyst include digital elevation model (DEM) generation, crime and population density
• Calculate complex terrain attributes.
Washington, D.C.
mapping, surface runoff modeling, wildland modeling, site location analysis, and more.
been helping people make better
703-506-9515
• Find suitable locations based on multiple
decisions through management
attributes.
and analysis of geographic
California
• Perform distance and cost-of-travel analysis.
909-793-2853
Charlotte
information. A ful -service GIS
• Clean up data to prepare it for further analysis
ext. 1-1906
704-541-9810
company, ESRI offers a framework
or display.
Denver
for implementing GIS technology
303-449-7779
San Antonio
and business logic in any
210-499-1044
organization from personal GIS on
the desktop to enterprise-wide GIS
servers (including the Web) and
Ski Resort Suitability Model
mobile devices. ESRI GIS solutions
are flexible and can be customized
ESRI International Offices
to meet the needs of our users.
ArcGIS Spatial Analyst Is Used To
Australia
Hungary
Portugal
• Perform terrain analysis.
www.esriaustralia.com.au
www.esrihu.hu
www.esri-portugal.pt
• Find the best store location.
Belgium/Luxembourg
India
Romania
www.esribelux.com
www.esri ndia.com
www.esriro.ro
• Perform land use analysis.
Bulgaria
Indonesia
Singapore
• Predict fire risk.
For More Information
www.esribulgaria.com
www.esrisa.com.my
www.esrisa.com
• Analyze transportation corridors.
Canada
Italy
Spain
• Determine pollution levels.
1-800-GIS-XPRT (1-800-447-9778)
www.esricanada.com
www.esri talia.it
www.esri-es.com
• Perform crop yield analysis.
www.esri.com
Chile
Japan
Sweden
www.esri-chile.com
www.esrij.com
www.esri-sweden.com
• Determine erosion potential.
Locate an ESRI value-added resel er
• Compute distance to streams or roads.
near you at
China (Beijing)
Korea
Thailand
www.esrichina-bj.cn
www.esrikr.co.kr
www.esrith.com
• Determine areas of high value.
www.esri.com/resellers
China (Hong Kong)
Malaysia
United Kingdom
• Perform demographic analysis.
Outside the United States,
www.esrichina-hk.com
www.esrisa.com.my
www.esriuk.com
Density Analysis
• Conduct risk assessments.
contact your local ESRI distributor.
Finland
Netherlands
Venezuela
• Model and visualize crime patterns.
For the number of your distributor,
www.esri-finland.com
www.esrinl.com
www.esriven.com
call ESRI at 909-793-2853,
• Analyze customer behavior.
France
Northeast Africa
ext. 1-1235, or visit our Web site at
www.esrifrance.fr
202-516-7485
www.esri.com/distributors
Germany/Switzerland
Poland
www.esri-germany.de
www.esripolska.com.pl
www.esri-suisse.ch
Requirements
School Site Suitability Model
ArcGIS Spatial Analyst requires
Retail Model
ArcInfo, ArcEditor, or ArcView.
No. GS-35F-5086H
Copyright © 2006 ESRI. All rights reserved. ESRI, GIS by ESRI, ArcMap, ArcObjects, ModelBuilder, ArcToolbox, ArcView, the ESRI globe logo, ArcInfo, ArcEditor, ArcGIS, 3D Analyst, the ArcGIS logo, @esri.
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com, and www.esri.com are trademarks, registered trademarks, or service marks of ESRI in the United States, the European Community, or certain other jurisdictions. Other companies and products mentioned
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herein are trademarks or registered trademarks of their respective trademark owners.
Printed in USA

ArcGIS Spatial Analyst
Dynamic Modeling and Advanced Visualization
Statistical Analysis Tools
Data and Customization
Advanced Raster Spatial Analysis
Modeling and Analysis
Statistics
Map Algebra
ArcGIS Spatial Analyst is ful y integrated with ArcGIS
ArcGIS Spatial Analyst includes a number of statistical
Map Algebra is the analysis language for ArcGIS Spatial
Desktop and provides more than 150 tools and functions
Surface Analysis
techniques that users can apply to the modeling of their
Analyst and provides an easy-to-use and powerful way to define
that users can access in the same environment as the more
With ArcGIS Spatial Analyst, users can build and analyze complex
spatial data.
geographic analysis as algebraic expressions. This allows users to
than 200 other ArcGIS Desktop tools. This al ows users to
surfaces to identify patterns or features within the data. Many
take their real-world data and apply algebraic functions to derive
Cell Statistics are used to calculate a statistic between
conduct analysis and modeling tasks via ModelBuilder™,
patterns that are not readily apparent in the original data can be
new results. For example, a single expression can be constructed
multiple rasters, for instance, to analyze a certain
scripts, dialog boxes, and the command line without
derived from the existing surface. These include contours, angle
to find the combined value of two datasets [(Raster1)+(Raster2)].
phenomenon over time such as the average crop yield
having to change environments between processes.
of slope, aspect, hillshade, viewshed, curvature, cut/fill, and solar
These algebraic expressions can be simple arithmetic expressions
over a certain time period or the range of temperatures
radiation modeling.
or can consist of complex spatial and algebraic functions.
between years.
Suitability Modeling
Supported Data Formats
A suitability model typically answers the question,
ArcGIS Spatial Analyst works with all of the ArcGIS standard
“Where is the best location?”—whether it involves find-
data formats. These include coverages, shapefiles, geodatabase
ing the best location for a new road or pipeline, a new
features, computer-aided design (CAD) files, vector product
housing development, or a retail store. For instance, a
format (VPF) files, United States Geological Survey (USGS) DEM
commercial developer building a new retail store may
data, Digital Terrain Elevation Data (DTED), and many more
Kernel Density Analysis
take into consideration distance to major highways and
image formats. In addition to supporting many vector and raster
any competitors’ stores, then combine the results with
data formats, ArcGIS Spatial Analyst allows for easy conversion
Slope Analysis
land use, population density, and consumer spending
Site Selection Modeling
between data types.
data to decide on the best location for that store. ArcGIS
Distance Analysis
Spatial Analyst derives new information from the overlay
Customization Options
of multiple layers, which can then be used to suggest
Calculating the accumulated cost of traveling, or mapping dis-
possible answers to the original question, “Where is the
tance, can provide the user with additional data from which to
ArcGIS Spatial Analyst expands the standard ArcGIS custom-
best location?”
make decisions. ArcGIS Spatial Analyst provides several distance
ization framework with additional functions. With standard
mapping tools for measuring both straight-line (Euclidean)
ArcGIS tools, users can build new geoprocessing functions or
distance and distance measured in terms of other factors such
Neighborhood Statistics calculate
create custom tools and models for specific spatial analysis using
as slope, current road infrastructure, and land use. With ArcGIS
a statistic for each cell based on the
common programming and scripting languages such as Visual
Surface Creation
Spatial Analyst, users can also calculate cost-weighted distance,
value of that cell and the values in a
Raster Calculator
Basic (VB), .NET, C++, Java, Python, and more. Once created,
Spatial interpolation is used to take known values and
least-cost path, and shortest path distance.
neighborhood specified by the user.
custom tools and models can be incorporated directly into the
interpolate them into a surface, deriving new estimated
For example, by using neighborhood-
ArcGIS interface and shared. Customization capabilities include
surface values. ArcGIS Spatial Analyst uses Inverse Distance
based statistics, users can find the
Weighted (IDW), Kriging, Spline Polynomial Trend, and
• User-defined analysis functions
most dominant species in a neighbor-
Natural Neighbor interpolation methods to estimate eleva-
hood or see how many species are
• User-created DLL or EXE files
tion, rainfall, temperature, chemical dispersion, or other
Cost Path Model
located in each neighborhood.
• Support for new data formats
spatially continuous phenomena. Using these methods,
Users can also define custom neighbor-
users can create surfaces from sampled locations without
Hydrologic Analysis
hoods for image processing filters such
having to visit every location of a study area, saving time
and effort. For example, users can measure phenomenon,
ArcGIS Spatial Analyst contains specialized tools for working with
as high-pass or edge detection filters.
Dialogs
such as rainfall, at strategic locations in order to derive a
and deriving new information from hydrologic and landscape
surface. Some interpolation methods also allow the use of
data. Its toolset includes methods for describing hydrologic char-
Viewshed Analysis of Antenna Point
barriers, such as streams or faults, to realistically constrain
acteristics and tools to calculate flow across an elevation surface
Scripting
the interpolation.
and derive features such as watersheds and stream networks.
Multivariate Statistics allow exploration of relationships between
Functions in ArcGIS Spatial Analyst can also derive density
With these specialized hydrologic tools and models, hydrologists
many different data layers or types of attributes. These tools can be
surfaces of demographic and other business data for analy-
can analyze temporal changes in the sedimentary process for
used for traditional image processing applications, such as transform-
sis of households and neighborhoods, or distance-based
a given terrain or build a flood forecasting model to find areas
ing a multispectral image into a categorized land cover map displaying
surfaces of travel influences to retail locations and service
subject to flooding during a storm, then use the resulting flood
forest types, urban areas, and agricultural use, as well as for other
centers. Derived surfaces can be visualized to provide
map to identify affected parcels.
statistical analysis of multivariate data such as terrain stratification or
insights into consumer behavior, store performance, crime
demographic analysis.
Commands
ModelBuilder
ArcObjects™ VB, C++, C#, .NET, Java
analysis, and many other types of business and economic
Zonal Statistics calculate a statistic for each zone of a zone
development analysis.
Flood Inundation Model
dataset (all cells in a raster that have the same value) based on
For more information on ArcGIS Spatial Analyst
values from another dataset, for example, calculating the mean
or to request an evaluation copy, please visit
More than 150 Spatial Analyst Tools
elevation for each forest zone or the total number of accidents
www.esri.com/spatialanalyst
Evaluate ArcGIS Spatial Analyst today: www.esri.com/spatialanalyst
along each street of a town.

Input Sources
Analysis and
ArcGIS® Spatial Analyst
Visualization
Habitat Suitability Analysis
Tools and Processes
Final Grizzly Bear Habitat Suitability Map
Elevation
Reclassified
Aspect (optimal)
Reclassified Slope (optimal)
Preferred Vegetation
Enlarged View of Habitat Suitability Area Map
Spatial Analyst Tools
Vegetation
Preferred Terrain
ArcGIS Spatial Analyst
• Create, query, map,
The fol owing extensions work with
and analyze cel -based
ArcGIS Spatial Analyst
Slope
raster data.
ArcGIS 3D Analyst™
• Derive additional information
about your data.
Reclassified Road
Density
ArcGIS Geostatistical Analyst
• Find suitable locations based
on multiple attributes.
ArcGIS Network Analyst
Aspect
• Calculate complex terrain
3D Perspective View of Habitat Suitability Map
attributes.
ArcGIS Data Interoperability
This poster il ustrates the common use of ArcGIS® Spatial Analyst ent data, such as density in units of roads per square kilometer
berry patches are assigned a “most preferred” weight value of 9,
to find suitable locations by ranking a landscape into categories
and slope in units of degrees, requires a common measurement and areas with very dense roads are assigned a “least preferred”
of high and low desirability via a process known as weighted
scale to assess the likelihood that a grizzly bear would prefer a
weight value of 1. In addition, the Weighted Overlay tool is also
• Perform distance and cost of
overlay modeling.
particular location.
used to assign a percentage of influence to each input dataset.
travel analyses.
In this example, suitability or site selection modeling was used to
These derived datasets are reclassified into categories of interest
For example, vegetation can be assigned higher importance than
ArcGIS Publisher
find a suitable habitat for grizzly bears. The same process can be to the problem being solved. We know bears prefer to be away
proximity to roads.
applied to many other types of spatial problems such as finding
from roads, so data is reclassified into several categories of vary-
With the powerful Weighted Overlay tool, parameters of a
ArcGIS Spatial Analyst
• Create surfaces using
the best location for a new store, deciding where to purchase a
ing road density and proximity.
suitability model such as this can be easily set and changed in
home, or determining the best route for a proposed road.
Using the Weighted Overlay tool, weights are assigned to each
a single dialog window, al owing the user to test many differ-
ent scenarios.
To request an evaluation copy, please visit
interpolation tools
Applying analysis tools to input data creates new information
category for each dataset representing bear habitat suitability.
(IDW, Spline, Kriging).
such as density of roads or slope of a DEM. Combining differ-
Vegetation types such as white bark pine, moist grasses, and
www.esri.com/spatialanalyst
Data and modeling guidelines are provided courtesy of the Craighead Environmental Research Institute (www.grizzlybear.org).