[vtkusers] Sphere with reticle

Anka Kochanowska anka at bic.mni.mcgill.ca
Thu Oct 25 09:20:31 EDT 2007


Have you tried vtkGlyph3D?
Anka

James Kyle wrote:

> Thank you for your reply,
>
> Here's the idea, I have a plain sphere being rendered. The sphere  
> will move on 6 DoF (got some input for that). What I need is some  
> sort of visual indicator that the sphere has moved. I was thinking a  
> simple black cross hairs on the sphere surface would do the trick.
>
> I checked out the vtkBoxWidget, but it looks a bit overkill with  
> emphasis on user manipulation and interaction.
>
> I've attached a file to show the simplicity of what I'm trying to  
> describe...cept the attachment is 2d image rather then 3D sphere.
>
>
>
> ------------------------------------------------------------------------
>
> -james
> On Oct 24, 2007, at 11:33 AM, Anka Kochanowska wrote:
>
>> I'm not quite sure how you want to place a reticle. Maybe look at  
>> the code of vtkBoxWidget?
>> Anka
>>
>> James Kyle wrote:
>>
>>> I've been struggling with this for a while. I need to make a  
>>> sphere  with reticle. I have no idea how to do this in vtk (sphere  
>>> is easy,  reticle...stuck). I've also tried making my own texture  
>>> map in gimp,  but it never comes out just right.
>>>
>>> Thanks for any help in advance,
>>>
>>> James Kyle
>>>
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