[vtkusers] vtkPolyData DataSet

[Marcel Weiss]

you can use the InsertNextCell(num,cellIDs) function of vtkPolyData...
num is the number of points foming the cell, so three in your case of triangles.
cellIDs is an array of the pointIDs. 

Marcel Weiss
PhD student
Department of Neurophysics
Max Planck Institute for Human Cognitive and Brain Sciences 

----- Original Message -----
From: saurisaran at aol.com
To: vtkusers at vtk.org
Sent: Thursday, April 2, 2009 3:03:18 PM GMT +01:00 Amsterdam / Berlin / Bern / Rome / Stockholm / Vienna
Subject: [vtkusers] vtkPolyData DataSet


Hi, 
i am still new to VTK but i have al little problem. i want to create a vtkPolyData DataSet from scratch. In my programm 
i have a list of point with their coordinates and a list of triangles. A triangle is defined by the indices of the pointlist points. 
My question is how can I create the DataSet. I use the Java wrapper classes. My first step was to create an vtkPoints 
object and use the insertnextpoint method with the coordinates. Now i have the problem with the triangles/polygons. 
I don´t know to handle with the vtkCellArray or how i can create a triangle/polygon and insert it in vtkCellArray. 
Bye then arne. 


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