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Delaunay Triangulation (G Dataflow)

Last Modified: December 18, 2017

Computes the Delaunay triangulation of the specified points in the plane.

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x

X-coordinates of the points in the plane. You must specify at least three elements in this input.

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y

Y-coordinates of the points in the plane. You must specify the same number of elements in y and x.

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error in

Error conditions that occur before this node runs.

The node responds to this input according to standard error behavior.

Standard Error Behavior

Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

error in does not contain an error error in contains an error
If no error occurred before the node runs, the node begins execution normally.

If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

Default: No error

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triangles

An n-by-3 array of indexes of the input points that form a Delaunay triangulation, where n is the number of triangles in the Delaunay triangulation. Each row of triangles represents a triangle defined by the three indexed points.

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error out

Error information.

The node produces this output according to standard error behavior.

Standard Error Behavior

Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

error in does not contain an error error in contains an error
If no error occurred before the node runs, the node begins execution normally.

If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

Delaunay Triangulation

Delaunay is a triangulation algorithm that meets the condition that no point is inside the circumcircle of any triangle.

A unique Delaunay triangulation exists if there is no combination of four points that are on the same circle.

Where This Node Can Run:

Desktop OS: Windows

FPGA: This product does not support FPGA devices

Web Server: Not supported in VIs that run in a web application


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