Arc Mat, a Matlab toolbox for using ArcView Shape files for spatial econometrics and statistics
نویسنده
چکیده
The design and implementation of software for extracting information from GIS files to a format appropriate for use in a spatial modeling software environment is described. This has resulted in publicly available c/c++ language programs for extracting polygons as well as database information from ArcView shape files into the Matlab software environment. In addition, a set of publicly available mapping functions that employ a graphical user interface (GUI) within Matlab are described. Particular attention is given to the interplay between spatial econometric/statistical modeling and the use of GIS information as well as mapping functions. In a recent survey of the interplay between GIS and regional modeling, Goodchild and Haining (2003) indicate the need for a convergence of these two dimensions of spatial modeling in regional science. Many of the design considerations discussed here would also apply to implementing similar functionality in other software environments for spatial statistical modeling such as R/Splus or Gauss. Toolboxes are the name given by the MathWorks to related sets of Matlab functions aimed at solving a particular class of problems. Toolboxes of functions useful in signal processing, optimization, statistics, finance and a host of other areas are available from the MathWorks as add-ons to the standard Matlab software distribution. We label the set of functions described here for extracting GIS file information as well as the GUI mapping functions the Arc Mat Toolbox.
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