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Extracting point cloud from patch model

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Alla am 5 Jun. 2017
Kommentiert: KSSV am 8 Jun. 2017
Hi everyone, So I have a model I created using patch function and I need a point cloud of said model to play around with the depth information, so I was wondering if it is possible or not to extract a point cloud from a model and if yes how would I go about on doing so?
  7 Kommentare
Walter Roberson
Walter Roberson am 7 Jun. 2017
The patch object does not store the surface points, only the vertices.
KSSV am 8 Jun. 2017
If you have the vertices in can create the surface using meshgrid.

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Walter Roberson
Walter Roberson am 6 Jun. 2017
There are two ways of constructing patch objects.
  • For one of them, you can fetch the XData, YData, and ZData properties. Each column represents a face, so there are as many rows as the longest face; shorter faces have NaN to pad them out
  • For the other, more efficient one, you can fetch the Vertices property to get a matrix in which each row defines a unique point. The Faces property gives information about how the vertices are connected.


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