[vtkusers] Volume rendering of vtkUnstructuredGrid

[Moreland, Kenneth]

First error: I do not think the SetScalarModeToUseCellData method exists
in the 4.4 release of VTK.  At the time, only point data was supported
(and if I recall you could only use the active scalars).  The CVS trunk
has this method and the ability to render cell data.
 
Second error: To reiterate what Mathieu said, the name of the method is
SetRayCastFunction, not SetVolumeRayCastFunction.  However, there is no
reason to call this since a default
vtkUnstructuredGridBunykRayCastFunction is created for you and that is
the only concrete implementation of
vtkUnstructuredGridVolumeRayCastFunction available.
 
-Ken
 
   ****      Kenneth Moreland
    ***      Sandia National Laboratories
*********** 
*** *** ***  email: kmorel at sandia.gov
**  ***  **  phone: (505) 844-8919
    ***      fax:   (505) 845-0833



________________________________

	From: vtkusers-bounces at vtk.org [mailto:vtkusers-bounces at vtk.org]
On Behalf Of jiksed
	Sent: Wednesday, February 23, 2005 5:01 PM
	To: vtkusers at vtk.org
	Subject: Re: [vtkusers] Volume rendering of vtkUnstructuredGrid
	
	
	No one responded to my last email. Now I cut my qestion short.
Here are a few errors I got
	while compiling my program:
	 
	E2316: SetScalarModeToUseCellData() is not a member of 
	           vtkUnstructuredGridVolumeRayCastMapper
	E2316: SetVolumeRayCastFunction() is not a member of 
	            vtkUnstructuredGridVolumeRayCastMapper
	 
	There is no example or test about how to use
vtkUnstructuredGridBunykRayCastFunction.
	IntermixedUnstructuredGrid.tcl did not use any raycast function
either. Any comments
	about this? I am using VTK4.4 on WinXP.
	 
	Will someone please tell me what's wrong? Thanks a bunch.
	 

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