[vtkusers] vtkPoint

[Sam Raby]

Thanks Aron. It is good to know!

On Fri, May 4, 2018 at 10:16 AM, Aron Helser <aron.helser at kitware.com>
wrote:

> That's exactly what the Glyph filter is for - it uses a single instance of
> the geometry, drawn at different points in space. Modern graphics cards can
> make that much faster than drawing separate geometry.
> -Aron
>
> On Fri, May 4, 2018 at 11:06 AM, Sam Raby <rabysam28 at gmail.com> wrote:
>
>> I have used small spheres and small cubes, but the issue is that they are
>> heavy if I use thousands  of them - that is why I am trying to use a simple
>> point which is much lighter.
>>
>> On Fri, May 4, 2018 at 6:34 AM, Angela Noecker <noeckera at gmail.com>
>> wrote:
>>
>>> What do you want your points to look like?  I assign a small sphere to
>>> the glyph.
>>>
>>> On Thu, May 3, 2018 at 6:00 PM, Sam Raby <rabysam28 at gmail.com> wrote:
>>>
>>>>
>>>> Thanks for the feedback. Here is the problem statement: I want to
>>>> visualize points but I want the points to become larger/smaller as I zoom
>>>> in/out. I could add glyph to each point, but glyph also wants me to assign
>>>> a source to it, and I end up assigning for example a small Cubes, but I
>>>> need to visualize a point not a cube. Is there a way to enable a point
>>>> so that zoom in and out can change the size of point? or any alternative
>>>> approach?
>>>>
>>>> Thanks
>>>> Sam
>>>>
>>>> On Sun, Apr 22, 2018 at 3:34 PM, Angela Noecker <noeckera at gmail.com>
>>>> wrote:
>>>>
>>>>> I add a glyph.
>>>>>
>>>>> > On Apr 22, 2018, at 3:01 PM, Sam Raby <rabysam28 at gmail.com> wrote:
>>>>> >
>>>>> > Hi
>>>>> > When we use vtkPoint or vtkPointSource, as we zoom in and out, the
>>>>> size of points does not change. Is there a way to enable this so that zoom
>>>>> in and out can change the size of point?
>>>>> > Thanks
>>>>> > S
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>>>>
>>>>
>>>
>>
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