[vtkusers] scatterplot with different marker shapes, sizes and colors?

Cory Quammen cory.quammen at kitware.com
Thu Sep 8 09:23:26 EDT 2016


Mario,

I would be happy to review such a change. See the instructions for
contributing here:

https://gitlab.kitware.com/vtk/vtk/blob/master/CONTRIBUTING.md

Best,
Cory

On Wed, Sep 7, 2016 at 11:07 AM, Mario Emmenlauer <mario at emmenlauer.de> wrote:
>
> Thanks Cory for the quick reply! If I'd send a patch, would you find it
> worthwhile to include it in the repository?
>
> Cheers,
>
>     Mario
>
>
>
> On 07.09.2016 15:43, Cory Quammen wrote:
>> Mario,
>>
>> I am not aware of any capability in VTK to change the marker points or
>> shapes based on the input data. A patch would be required to support
>> that. It might be too hard to implement if you want to give it a try.
>>
>> Best,
>> Cory
>>
>> On Wed, Sep 7, 2016 at 6:08 AM, Mario Emmenlauer <mario at emmenlauer.de> wrote:
>>>
>>> Hi,
>>>
>>> can somebody help me with this, is it possible to get scatterplots with
>>> different marker shapes and/or sizes? Any help would be greatly appreciated!
>>> See below for more info...
>>>
>>>
>>> On 27.08.2016 00:55, Mario Emmenlauer wrote:
>>>>
>>>> I've been using vtkPlot to get a simple and easy-to-use scatterplot,
>>>> and it works great! But ideally I'd like to also have different marker
>>>> sizes, i.e. to specify a marker size for each point. I could trace the
>>>> code into vtkOpenGLContextDevice2D::DrawPointSprites() where the marker
>>>> sprites are drawn. But a recommendation would help - is it even possible
>>>> and runtime-efficient to have variable sizes? Or would it come at a huge
>>>> performance penalty? How is the best way to achieve it, is it required
>>>> to patch vtkOpenGLContextDevice2D or are the other means?
>>>>
>>>> All the best,
>>>>
>>>>     Mario Emmenlauer
>
>
>
> Viele Gruesse,
>
>     Mario Emmenlauer
>
>
> --
> BioDataAnalysis GmbH, Mario Emmenlauer      Tel. Buero: +49-89-74677203
> Balanstr. 43                   mailto: memmenlauer * biodataanalysis.de
> D-81669 München                          http://www.biodataanalysis.de/



-- 
Cory Quammen
Staff R&D Engineer
Kitware, Inc.


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