nanoflann | nanoflann : a C++11 header-only library for Nearest | Image Editing library
kandi X-RAY | nanoflann Summary
kandi X-RAY | nanoflann Summary
nanoflann is a C++11 header-only library for building KD-Trees of datasets with different topologies: R2, R3 (point clouds), SO(2) and SO(3) (2D and 3D rotation groups). No support for approximate NN is provided. nanoflann does not require compiling or installing. You just need to #include in your code. This library is a fork of the flann library (git) by Marius Muja and David G. Lowe, and born as a child project of MRPT. Following the original license terms, nanoflann is distributed under the BSD license. Please, for bugs use the issues button or fork and open a pull request.
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QUESTION
Using the nanoflann-library for k-nearest-neighbor searches based on KDTrees I encountered a very strange behavior. My Code is a simple set of queries:
...ANSWER
Answered 2020-Dec-02 at 05:28The result set appears to be stateful - it's always showing you the nearest overall neighbor of all the points. For instance, if you loop from 5 to 10 you get 5 50
for each iteration
Reinitialize the result set each iteration and you'll get your desired behavior:
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