[vtkusers] VTK 2D Control Points example

[Jothybasu Selvaraj]

vtkCharts do  ot support rotation. How are you able to do  that?



On Tue, Jun 26, 2012 at 1:14 PM, Gishara Indeewarie <gish.777 at gmail.com>wrote:

> Thanks John. Can you please explain me about how to stop the rotation by
> setting the interactor style?
>
>
> On Tue, Jun 26, 2012 at 5:41 PM, Gishara Indeewarie <gish.777 at gmail.com>wrote:
>
>> I have used vtkCharts. I need to give the user the ability to change the
>> position of some points.
>> (like in the example)
>> Can I do it with vtkCharts?
>> Thanks.
>>
>>
>> On Tue, Jun 26, 2012 at 5:37 PM, Jothybasu Selvaraj <jothybasu at gmail.com>wrote:
>>
>>> If you are using vtkCharts for plotting then it can handle 2D plots just
>>> by mentioning (X,Y).
>>>
>>> Are you using vtkCharts?
>>>
>>>
>>>
>>>
>>> On Tue, Jun 26, 2012 at 1:04 PM, Gishara Indeewarie <gish.777 at gmail.com>wrote:
>>>
>>>> ok.Thanks. Is this true to do 2d plot also?
>>>> Because my problem is that I only need to show the 2D one.
>>>>  Users should not be given the ability to rotate the contour.
>>>> Is there any way of adding control points to a 2D plot?
>>>> Thanks again for the help.
>>>>
>>>> On Tue, Jun 26, 2012 at 5:30 PM, Jothybasu Selvaraj <
>>>> jothybasu at gmail.com> wrote:
>>>>
>>>>> Any point in 3D requires (X,Y,Z). You can't define a contour with just
>>>>> (X,Y) values.
>>>>>
>>>>> Consider a circle with 10 mm radius, you may be happy with the (X,Y)
>>>>> values but VTK should be told where it should be positioned in the Z axis.
>>>>>
>>>>>
>>>>> Jothy
>>>>>
>>>>>
>>>>> On Tue, Jun 26, 2012 at 12:47 PM, Gishara Indeewarie <
>>>>> gish.777 at gmail.com> wrote:
>>>>>
>>>>>> Hi Jothy, Thanks for the reply.
>>>>>> Can you explain me it further?
>>>>>> I want just a 2D contour, which means that I do not have the ability
>>>>>> to rotate it.
>>>>>>
>>>>>>
>>>>>> On Tue, Jun 26, 2012 at 4:35 PM, Jothybasu Selvaraj <
>>>>>> jothybasu at gmail.com> wrote:
>>>>>>
>>>>>>> You could simply set the z value to the z value of the plane on
>>>>>>> which you are drawing.
>>>>>>>
>>>>>>> Jothy
>>>>>>>
>>>>>>> On Tue, Jun 26, 2012 at 12:02 PM, Gishara Indeewarie <
>>>>>>> gish.777 at gmail.com> wrote:
>>>>>>>
>>>>>>>> I just have only x and y values to draw the contour.
>>>>>>>>  My requirement is that I need to add some control points to the
>>>>>>>> contour, so the
>>>>>>>> user can adjust the shape using control points. The example works
>>>>>>>> fine (
>>>>>>>> http://www.cmake.org/Wiki/VTK/Examples/Cxx/Widgets/ContourWidget)
>>>>>>>> unless it uses x,y,z data. I only want to have x,y data.
>>>>>>>> How can I do this?
>>>>>>>> Please help me.
>>>>>>>>
>>>>>>>> On Tue, Jun 26, 2012 at 10:52 AM, Gishara Indeewarie <
>>>>>>>> gish.777 at gmail.com> wrote:
>>>>>>>>
>>>>>>>>> Dear all,
>>>>>>>>>
>>>>>>>>> I want to do a 2d contour with some control points in vtk.
>>>>>>>>> I have found the example below:
>>>>>>>>> http://www.cmake.org/Wiki/VTK/Examples/Cxx/Widgets/ContourWidget
>>>>>>>>>
>>>>>>>>> This is good, but the problem is I only want a 2D one.
>>>>>>>>> Is there any way to do something like this for 2d data?
>>>>>>>>> Thanks in advance.
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> Powered by www.kitware.com
>>>>>>>>
>>>>>>>> Visit other Kitware open-source projects at
>>>>>>>> http://www.kitware.com/opensource/opensource.html
>>>>>>>>
>>>>>>>> Please keep messages on-topic and check the VTK FAQ at:
>>>>>>>> http://www.vtk.org/Wiki/VTK_FAQ
>>>>>>>>
>>>>>>>> Follow this link to subscribe/unsubscribe:
>>>>>>>> http://www.vtk.org/mailman/listinfo/vtkusers
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Jothybasu Selvaraj
>>>>>>> PhD Student
>>>>>>> University of Liverpool
>>>>>>> UK
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Gish
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Jothybasu Selvaraj
>>>>> PhD Student
>>>>> University of Liverpool
>>>>> UK
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Gish
>>>>
>>>
>>>
>>>
>>> --
>>> Jothybasu Selvaraj
>>> PhD Student
>>> University of Liverpool
>>> UK
>>>
>>>
>>
>>
>> --
>> Gish
>>
>
>
>
> --
> Gish
>



-- 
Jothybasu Selvaraj
PhD Student
University of Liverpool
UK
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.vtk.org/pipermail/vtkusers/attachments/20120626/1002c057/attachment.htm>