[vtkusers] Need help with Vectors

[ClaudeG]

Hi, thank you eric by how can i create vector attributes in vtk?



Eric E. Monson wrote:
> 
> Hello,
> 
> I think what you want is to use vtkGlyph3D, which will let you supply  
> the vtkArrowSource as the SourceConnection, and then your point data  
> with vector attributes (create vectors out of end position - start  
> position) as InputConnection. Then each point can be "glyphed" with an  
> arrow which is oriented (and possibly scaled) by the vector at each  
> point.
> 
> There are some Examples that use vtkGlyph3D in the VTK source. A  
> simple one which uses a ConeSource instead of an Arrow is in Testing/ 
> Cxx/Mace.cxx
> 
> Good luck,
> -Eric
> 
> ------------------------------------------------------
> Eric E Monson
> Duke Visualization Technology Group
> 
> 
> On Aug 4, 2009, at 8:17 AM, ClaudeG wrote:
> 
>>
>> Hi,
>>
>> i want to create vectors knowing the starting and ending point. for  
>> that i
>> use the vtkArrowSource but now the problem begins, i can use  
>> SetPosition to
>> the actor, which is created, to set the arrow the the starting point  
>> but how
>> can i tell the arrow that it must point to the ending point?
>>
>> Please help me!
>>
>> Thanks for any help
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