Grid Cell Modeling: The Other GIS

Grid Cell Modeling: The Other GIS
http://govm.geospatial-solutions.com/gssgovm//static/staticHtml.jsp?ts=040908091617&id=523049#

Most real-world datasets are continuous, and therefore more accurately displayed in a grid cell-based GIS than as points, lines, or polygons.
Jun 10, 2008
By:Art Kalinski
Geospatial Solutions

Back in the mid-1980s, when I established the U.S. Navy's first GIS, we used mapping software from a company called National Planning Data Corporation (NPDC). In the process, I had several interesting GIS-related discussions with NPDC's founder, Peter Francese. His observation was that as we've grown in knowledge and sophistication, we're actually substituting information for resources. He used the telephone as an example. If you've ever handled a '20s-era telephone, you may remember that it weighed a very heavy 10 to 12 pounds because it was made from copper, brass, steel, and lots of Bakelite (one of the first synthetic thermosetting resins).

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MapCalc Operations
…advanced grid-based analysis of mapped data for MapInfoProfessional 6.5 through 9.0

The powerful modeling capabilities of MapCalc are divided into two broad classes—spatial statistics and spatial analysis.

Spatial Statistics tools investigate statistical patterns and relationships among maps. They include…

üDescriptive Statistics üNormality Tests üPoint Density Maps üGeographic Trend Analysis üSpatial Interpolation üSpatial Autocorrelation üScatter plots and variograms üResidual Analysis üError Mapping üCoincidence Statistics üChange Surfaces üComparison Tests üSpatial Correlation and Dependency üMultivariate Regression üClustering üMap Similarity

Spatial Analysis tools derive new maps based on spatial context, patterns, surface configuration, proximity, connectivity and flows. They include…

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