[vtkusers] subID

[Guiseppe DiIullio]

so basically my problem is i get a segmentation fault

here are all my parameters:

float paraCoords[3] , xyzCoords[3];
  float *vtkcellweights = NULL;
Cell = SetOfQuadCells->GetCell( cellNum );
subID = Cell->GetParametricCenter( paraCoords );
Cell->EvaluateLocation( subID, paraCoords, xyzCoords, vtkcellweights );

but i think my problem is because it wont let me initialize an object of 
vtkCell

if i do :
vtkCell *Cell = vtkCell::New();

It says

invalid conversion from `vtkObject*' to `
   vtkCell*'


??? what am i doing wrong??

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