IBM Visualization Data Explorer User's Reference

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Connect

Category

Realization

Function

Creates triangle connections for a field of scattered positions.

Syntax


output = Connect(input, method, normal);

Inputs
Name Type Default Description
input field or vector list none field with positions to be connected
method string "triangulation" connection method to be used
normal vector [0 0 1] normal to the projection plane

Outputs
Name Type Description
output field connected field

Functional Details

The triangle connections created by this module form a surface.

input

should be (1) a field with a 2- or 3-dimensional component or (2) a list of 2- or 3-dimensional vectors. In the second case, the vectors are interpreted as positions.

method

specifies the method of connection. At present, Delaunay "triangulation" (involving Voronoi tesselation of a plane) is the only method supported.

normal

specifies the plane to which 3-dimensional positions are projected before triangulation is computed. Note that the output positions will be the original 3-dimensional points.

Degenerate triangles (i.e., those with colinear vertices) are not included in the output object.

Components

Adds a "connections" component. All components that depend on the "positions" component are unchanged in the output.

Example Visual Program

ConnectingScatteredPoints.net

SIMPLE/Connect.net

See Also

 Regrid,  AutoGrid


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