estimating 3D point normals. Does pcnormals function work properly?

Unal

2016 9 24

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Working on lidar point cloud data want to estimate point normals in 2016a. Whenever I run pcnormals function I ended up with an error which reads undefined function surfaceNormalImpl. It seems pcnormals simply calls this function which is nowhere to be found. Not implemented in 2016a? I would appreciate any suggestions and/or info on this.

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Mudambi Srivatsa 2016-9-27

编辑：Mudambi Srivatsa 2016-9-27

在 MATLAB Online 中打开

I understand that you are trying to estimate point normals on lidar point cloud data using "pcnormals" function. You can quickly verify if the "pcnormals" function works fine using the inbuilt MATLAB example. Type the following in the MATLAB command window:

>> openExample('vision/EstimateNormalsOfPointCloudExample')

If you are not able to run the example, check if you have access to the Computer Vision Toolbox. If the example runs fine, there might be an issue with the way "pcnormals" function is accessed using lidar point cloud data. Either case, I suggest you to contact MathWorks Technical Support for further assistance.

Unal 2016-10-7

Thanks for your suggestion. I have access to the Computer Vision Toolbox but the example did not work either at first try. I did not figure what was the problem and I ended up reinstalling MATLAB. It work just fine now for both my data and the example.

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