Surf only region of interest?

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Rafael Madrid
Rafael Madrid 2014-9-18
评论： zexi wang 2020-8-12
Hi,
So I have this 3D array from structured light 3D scanning. The code prompts me to make a mask to then unwrap the phase inside that mask. But when I plot the array it will show the entire masked array instead of just my shape. How can I surf plot only the region I've marked? i.e, only the face. Thanks
EDIT: Maybe I phrased it wrong. Maybe I should say, how can I make the rest of the surface transparent, leaving only the face or whatever my object would be?
Raf

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Stephen23
Stephen23 2014-9-25
编辑：Stephen23 2014-9-25
One possibility is to convert the data that you do not wish to plot to NaN s. In most of MATLAB's basic plotting functions (like surf ) any NaN s are ignored (i.e. not plotted):
http://www.mathworks.com/matlabcentral/answers/100740-how-do-i-make-a-mesh-or-surface-plot-that-is-clear-in-certain-places
http://www.mathworks.com/matlabcentral/newsreader/view_thread/286717

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