Alternative to surfaceMeshShow that shows Face Colors

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Yousuf Tariq-Shuaib 2023-2-23

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回答： Ajay Gajulapally 2023-3-1

Hi,

I'm trying to change the color of each face of a 3D surface mesh based on certain values using a surfaceMesh object. I tried using the mesh.FaceColors to change the face colors to desired colors and display it using surfaceMeshShow(mesh). Unfortunately, this is not considered for visualization with surfaceMeshShow(). Is there a way to use surfaceMeshShow() with the color of each face set to a certain value? Is there a good alternative to surfaceMesShow for a 3d surface mesh that allows me to change the color of each face?

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Walter Roberson 2023-2-23

( surfaceMeshShow appears to be from the Lidar Toolbox)

Walter Roberson 2023-2-23

https://www.mathworks.com/help/lidar/ref/surfacemesh.html says for FaceColors

Color values for the mesh faces, specified as an N-by-3 matrix. Each row of the matrix is of the form [R G B], specifying the color value for a face. Each value must be in the range [0, 1]. N is the total number of faces in the mesh.

To set this property, specify it at object creation.

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Answer 1

Ajay Gajulapally 2023-3-1

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Hello Yousuf,

As of now, there is a limitation to "surfaceMeshShow" function that doesn't display the mesh face colors specified by the "FaceColors" property of the input "surfaceMesh" object.

Refer the following documentation to know more about surfaceMeshShow and its limitations:

Display surface mesh - MATLAB surfaceMeshShow - MathWorks India