API: Best way to get an MPointArray of vertex positions from selected components

[Jesse Capper]

I'm very new to maya's API so this may be an obvious question.

Given an MObject of selected components, what is the most efficient way of getting an MPointArray of their positions? For all points on an object I'm using MFnMesh.getPoints(MPointArray), but I haven't been able to find a function that fills an MPointArray from a component set. I was hoping MFnSingledIndexedComponent would have something :/. Is iterating over the components with MItMeshVertex the only way?

[Chad Vernon]

The fastest would probably be just to get the full point array and loop through and pick out the ones you want.  There's no one function to call to get a subset of points.

On Thu, Sep 27, 2012 at 1:42 PM, Jesse Capper <jesse....@gmail.com> wrote:

I'm very new to maya's API so this may be an obvious question.

Given an MObject of selected components, what is the most efficient way of getting an MPointArray of their positions? For all points on an object I'm using MFnMesh.getPoints(MPointArray), but I haven't been able to find a function that fills an MPointArray from a component set. I was hoping MFnSingledIndexedComponent would have something :/. Is iterating over the components with MItMeshVertex the only way?

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[Jesse Capper]

Great, thanks.

[Chad Vernon]

I usually set the size of the array first and then fill it up so it's not constantly resizing it to add more elements.