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    The centroid preparation step identifies invalid catchments (examples are highlighted on the map). It will be these centroids that are corrected during the subsequent processing.

    Catchment Area Correction Tool (CACT)

    An ArcGIS 9.3 extension developed in VB .Net was created which would traverse a vector river network identifying points with incorrectly assigned catchment area values and calculating a logical alternative for these points. The alternate area was com...

    Year: 2011

    Tags: 

    GISEnvironmentDevelopmentMapping