A visual programming language for spatial modelling in GIS
Gregory Haddock, Piotr L. Jankowski · Transactions in GIS · 1996
An integration between a visual programming environment and GIS has been developed to create and run spatial models. The visual programming environment provides graphical objects to create flowchart‐like models of spatial phenomena using GIS data. The integrated system is object‐oriented and designed to lessen the technical burdens of GIS programming. The system capabilities are demonstrated using a hydrological model example, and the model execution speed is compared with an equivalent model implementation in a traditional raster‐based modelling system.