I am having 3D data points. I want to calculate volume of these 3D points. Then I want to calculate volume of convex hull of these data points.

I have calculated volume of 3D points by calculating number of voxels and volume of convex hull by using 'convhull' command. But, I think method of calculating volume in convhull is different.

So, I want to know how to calculate volume in these two cases using same method.

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