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Connect Unstructured Points

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Connects each point of a point dataset to its closest neighbors to create polylines. The function does not require attributes that define which points should pertain to a single polyline or order of the points within the polylines (if your point data has such attributes use the Point To Polyline function instead). The function uses a robust algorithm and can be applied on datasets containing up to 2 million points.





Source Points

Result - Avoid Loops NOT selected

Result - Avoid Loops selected



result large
result small

ToolBox implementation
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Command line syntax

ET_GPConnectUnstructuredPoints<input_dataset> <out_feature class> <cut_off>{avoid_loops}


Expression Explanation
<input_dataset> A Point,  Polyline or Polygon feature class or feature layer
<out_feature class> A String - the full name of the output feature class (A feature class with the same full name should not exist)
<cut_off> A Double representing the maximum distance between two points to be considered neghbors - in the units of the spatial reference of the input dataset
{avoid_loops} A Boolean indicating whether the function will try to avoid loops when connecting the points (see example above).

Scripting syntax

ET_GPConnectUnstructuredPoints(input_dataset,out_feature class, cut_off,avoid_loops)

See the explanations above:
<> - required parameter
{} - optional parameter

.NET implementation
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ConnectUnstructuredPoints(pInFC As IFeatureClass, sOutFName As String, dMaxGap As Double, Optional bAvoidLoops As Boolean = False) As IFeatureClass

Copyright Ianko Tchoukanski