Spatial Analyst is a extension within ArcGIS that provides a range of spatial modeling and analysis tools.

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5
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2answers
150 views

Monitoring programmes

I am not sure if it is a right place to ask this one but let me try. Monitoring programmes are known for various targets and for various spatial levels. They may include regions, countries or even ...
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7answers
4k views

Extract raster values at points

How can I extract values from a raster by points. I prefer not in Arcgis. I prefer in Qgis or Mapwindow or other open source gis.
2
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3answers
1k views

How do you use Spatial Analyst Geoprocessing functions in ArcObjects in ArcGIS 10?

I'm trying to run some geoprocessing functions in ArcObjects. Some of the tools I want to use are part of the spatial analyst extension. In 9.3.1 it was fairly straightforward to follow the ...
7
votes
5answers
2k views

What type of interpolation to visualize metal detection survey data?

I have about 500,000 points collected in a linear grid pattern over a 1 km2 area. The points were collected as part of a metal detection survey. Each point has X,Y and Coil Response mV (min -675.38 ...
2
votes
3answers
8k views

How to calculate Raster Area per Polygon?

In ArcMap, I have a raster file that contains 6 classes of landcover and a shapefile that is the census data (OA boundaries and their population). I want the area of each class in each OA? For ...
9
votes
4answers
1k views

Are there any open source tools to detect and fill sinks on a DEM?

Are there any open source or inexpensive tools to detect and fill sinks on a DEM? ESRI Spatial Analyst is just out of my price range.