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Re: [SCIRUN-USERS] 3D to 2D conversion


Chronological Thread 
  • From: Dana Brooks <brooks@ece.neu.edu>
  • To: Jess <jess@sci.utah.edu>, Vikas R bhat <vikasraghubhat@gmail.com>
  • Cc: "scirun-users@sci.utah.edu" <scirun-users@sci.utah.edu>
  • Subject: Re: [SCIRUN-USERS] 3D to 2D conversion
  • Date: Mon, 25 Mar 2019 13:00:20 -0400

Hi Vikas

another approach is to take a point centered above the sock and take rays from it through the locations on the sock onto a plane below the sock.

I don't know if there is anything is SCIRun to do this but since it is a kind of very simple "ray casting" there might be -- Jess, any idea ?

good luck!

Dana

On 3/25/19 12:19 PM, Jess wrote:
Projecting points onto a plane is fairly simple.  You can use CreateImage to make a planar mesh, they use ProjectPointsOntoMesh to project any points onto that planar mesh.  

Unfolding a mesh 3D into a planar mesh is a different matter.  One way to do this is to fit an ellipsoid (or other simple primitive) to your existing mesh, then project the points onto the ellipsoid and unfold that into a plane.  Most of this is not implemented in SCIRun, but could be done in with the InterfaceWithPython module.  

cheers,
Jess






On Mar 25, 2019, at 12:59 AM, Vikas R bhat <vikasraghubhat@gmail.com> wrote:

Hi Sir,

I have a simple doubt in SCIRUN. Is it possible to project 3D coord of heart sock to a 2D plane.  I wanted to open up the 3D cavity to a 2D grid (xy plane). Is there any module that would help to do this.



--
Thanks,
Vikas.R.Bhat
Contact: +91 9481263176

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