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Manually remove points from scatter3 plot

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John
John 2014-1-23
回答： John 2014-1-23
Any ideas on how to manually select a point, or group of points (click and drag an area, maybe?) from a scatter3 plot? I want to be able to select these points and remove them, and have the data matrix that originated the plot change to reflect it with the removed points. I've seen examples on how to do this in a 2-d plot, but no luck for 3-d.
Here's a 2-d example I found here: http://www.mathworks.com/matlabcentral/fileexchange/13857-graphical-data-selection-tool
Any tips?

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回答（3 个）

John
John 2014-1-23
Or actually, if there is a way to just select a group of points on a 3d plot and either have ML generate a new data matrix for them or just give the coordinates, that would be helpful too.
John
John 2014-1-23
Also...
Someone created a ginput3d function, but I tried it and it just gives errors. It has a low rating and comments saying the same thing I said, so that shouldn't be surprising.
http://www.mathworks.com/matlabcentral/fileexchange/34939-ginput-3d
John
John 2014-1-23
Shameless bump :)

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