Dynamic graphics in a GIS: more examples using linked software
This document describes the linking of two software packages to provide exploratory dynamic graphical tools directly from within a geographic information system (GIS). The GIS we have used is ArcView 2.1, which is a widely used package for examining maps and images. XGobi is the dynamic graphics package that is publicly available and also widely used for exploring multivariate data. The link involves cross-referencing each location in the map view provided by ArcView with a multitude of plot types in XGobi. This cross-referencing allows a user to interact with either the map view or the XGobi plots by painting (that is, brushing) groups of points with different colors or glyph (shape) types, identifying points, or erasing them, and have the similar changes made automatically in the other view. Examples of the different types of plots and interactions are given in the paper in both image and video format. ArcView is a registered trademark of Environmental Systems Research Institute, Inc., Redlands, CA, U.S.A. 1997 Elsevier Science Ltd.
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