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ArcGIS Spatial Analyst - spatial modeling and analysis tools
 

ArcGIS Spatial Analyst provides an easy way to perform advanced GIS analysis

ArcGIS Spatial Analyst provides a broad range of powerful modeling and analysis features that allow you to quickly derive the information you need from your GIS data. You can perform this analysis in a variety of ways.


Key Features of ArcGIS Spatial Analyst
ArcGIS Spatial Analyst adds a comprehensive set of advanced spatial modeling and analysis tools to the ArcGIS Desktop.

Query and Data Exploration
ArcGIS Spatial Analyst includes advanced map algebra functions for combining multiple maps, performing suitability analysis, assigning weights, and identifying relationships.

Density Mapping
The density function distributes a measured quantity of an input point layer throughout a landscape to produce a continuous surface.

Distance Analysis
There are several distance mapping tools for measuring both straight-line (Euclidean) distance and distance measured in terms of other factors such as the cost to travel over the landscape.

Surface Interpolation
Visiting every location in a study area to measure the height, magnitude, or concentration of a phenomenon is usually difficult or expensive.

Surface Analysis
With ArcGIS Spatial Analyst you can derive useful information such as shaded relief, contours, slope, view shed, and aspect maps.

Map Algebra/Raster Calculator
ArcGIS Spatial Analyst includes advanced map algebra functions for combining multiple maps, performing suitability analysis, assigning weights, and identifying relationships.

Local Statistics
In a local function, the value at each location on the output raster is a function of the input values at that location.

Neighborhood Statistics
Neighborhood functions create output values for each cell location based on the value for that location and the values identified in a specified neighborhood.

Zonal Overlay Statistics
Zonal functions take a value raster as input and calculate for each cell some function or statistic using the value for that cell and all cells belonging to the same zone.

Multivariate Statistics
The Multivariate Statistics tools allow exploration of relationships between many different data layers or types of attributes.

Hydrologic Analysis

ArcGIS Spatial Analyst contains specialized tools for working with and deriving new information from hydrologic and landscape information.


Raster Generalization
The Raster Generalization tools are used to either clean up small erroneous pixels in the raster or to generalize the data to remove or smooth out unnecessary detail.

Extensive Customization Options
ArcGIS Spatial Analyst enables you to create custom tools and models for spatial analysis and incorporate these tools directly into the ArcGIS interface.

Serverside Processing
ArcGIS Spatial Analyst is part of ArcGIS Engine and can, therefore, be used as part of a distributed GIS analysis system in a client/server environment or for remote, Internet-based spatial modeling through thick or thin clients.


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