Delaunay Triangulation Spatial Search

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curoi
curoi 2013년 5월 21일
I'm trying to perform a spatial search between two datasets that have the same coordinate system but are sampled at different intervals in the x and y directions. Finding the nearest neighbor of one dataset using queries form the other seems to be the best approach:
http://www.mathworks.com/help/matlab/math/spatial-searching.html#bspqkfv-2
However, when I try to using the delaunayTriangulation class, I get the following error:
"Undefined function or method 'delaunayTriangulation' for input arguments of type 'double'." Is this part of another toolbox that I don't have access too? Also, if that is the case, how can I do a spatial search for points in the first dataset to find corresponding nearest neighbor indices in the second dataset?

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Shashank Prasanna
Shashank Prasanna 2013년 5월 21일
delaunayTriangulation was introduced in the recent release. Here is the release notes:
http://www.mathworks.com/help/matlab/release-notes.html?searchHighlight=delaunayTriangulation#btpx7z7
For older releases you may use:
http://www.mathworks.com/help/matlab/ref/delaunaytriclass.html

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