Grasshopper

algorithmic modeling for Rhino

Hello,

I hope someone can help me understand the results I'm getting from the MeshCP component. Here is a little test case showing the input mesh and points, along with the resulting points (selected). In some cases the resulting points are on the mesh, but in others they are actually farther away from the mesh than the input points. Same result from a Python script calling rs.MeshClosestPoint(). No problems with the input mesh in Rhino, direction or otherwise. Thanks in advance for your help!

 

 

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All the MeshCPs are on the mesh. for your points on the right, the original points were above the mesh, on the left, they were below. Rotate the view, so you are looking at the edge if the mesh and you will see...

Hannes,

Thanks for your reply. I had been rotating and still not seeing what I would expect. Here's one example. I added a MeshRay component this time, confirming that the original group of points are indeed below the mesh. Is this just a display anomaly?

Okay, this looks like a display issue on your side. I don't get any of this. CPs are on the mesh as expected.


What's your Rhino and GH version? Are you using accelerated graphics?

oookkay.. just replicated that issue by deactivating HW accelrated modes.

Thanks for figuring that out! I was beginning to doubt my sanity.

Rhino Version 5 SR2 (5.2.30328.21415, 03/28/2013)

Grasshopper: 0.9.0014

I'm already using Hardware Accelerated mode. Do you see anything else?

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