CreateConvexHullDB()

Summary

Creates an area geographic file that encloses all of the points in a TIN.

Syntax

CreateConvexHullDB(tin t, string db_name, array options)

Argument Contents
t A TIN
db_name The name of the output geographic file
Option Type Contents
Layer Name String The name for the new layer
Label String The label for the new layer

Example

// Open Elevdata.cdf in the Tutorial folder
SetLayer("Elevation Layer")
point_tin = CreateTriangulation("Elevation Layer|", {{"Field","Elevation"}})
folder = RunMacro("G30 Tutorial Folder")
CreateConvexHullDB(point_tin, folder + "myconvexhull.dbd",
{{"Layer Name","Convex Hull"}})

Error Codes

Error Type Meaning
Error The TIN compound variable is null, or the options are not of the required type

See Also

Function Summary
CreateHullDB() Creates an area or a line DBD database based on a TIN
CreateTriangulation() Creates a Triangulated Irregular Network (TIN)
CreateTriangulationAreaDB() Creates an area geographic file from the facets in a TIN, with slope and aspect values