miércoles, 28 de marzo de 2012

Suitability Analysis with ArcGIS (Part 2 Suitability Model)

On part2 of our tutorial we'll discuss how to create the suitability raster.
Among the Spatial Analyst tools that we'll be using are:
1. Reclass
2. Weighted Overlay

lunes, 26 de marzo de 2012

Suitability Analysis with ArcGIS (Part 1 Restriction Mode)

This is a tutorial on how to create a restriction model. A restriction model is a boolean raster of zeros and ones. Where a cell with zero value represents a cell restricted for the proposed use and a cell with value one represents a viable cell for the proposed use.
The tutorial is set to find a suitable area for a waste disposal site. Among the ArcGIS tools used are:
1. Union
2. Feature to Raster
3. Buffer
4. Is Null
5. Con

viernes, 23 de marzo de 2012

Using Zonal Statistics to Explore your Data with ArcGIS 10

I recently was asked by a student of mine for practical example on how to use Spatial Analyst's Zonal Statistic and I couldn't come up with anything practical. After a little research I decided to create this tutorial to show my students how use Zonal Statistics.

martes, 13 de marzo de 2012

Least Cost Path Tutorial using ArcGIS 10

Somewhere along the evolution of ArcGIS the Least Cost Path tool was eliminated from the Spatial Analyst Toolbar (as many other tools). I had not noticed this until recently, when I was preparing a class.

So I decided to create this tutorial in YouTube to help me and other remember how to create a simple least cost path using ArcToolbox.