[vtkusers] vtkButtonSource、vtkRectangularButtonSource 、vtkEllipticalButtonSource

[louiskoo]

any one can tell me some use of vtkButtonSource or vtkRectangularButtonSource
or vtkEllipticalButtonSource?
meanWhile, tell me about some click event information?



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[Christopher Mullins]

Under the "broken" section of the examples, but maybe this will help [1].
vtkButtonSource is itself an abstract class [2].

[1] http://www.vtk.org/Wiki/VTK/Examples/Broken/RectangularButtonSource
[2] http://www.vtk.org/doc/release/5.0/html/a01209.html

Post by louiskoo
any one can tell me some use of vtkButtonSource or
vtkRectangularButtonSource
or vtkEllipticalButtonSource?
meanWhile, tell me about some click event information?
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[louiskoo]

Thanks for your help.

How can I add click event? And below is my code:
button.LeftButtonPressEvt += new
vtkObject.vtkObjectEventHandler(button_LeftButtonPressEvt) ;
However,it dosen't work.



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[mirko heuegger]

Hello!

I guess you are using C# and ActiViz.NET, if so, the 'vtkObject' should be
a type of a vtkRenderWindowInteractor, then you example should work.

hth

mirko

Post by louiskoo
Thanks for your help.
button.LeftButtonPressEvt += new
vtkObject.vtkObjectEventHandler(button_LeftButtonPressEvt) ;
However,it dosen't work.
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[louiskoo]

Yes,you are right.I am using C# and ActiViz.NET .
I have change it as follows.

button.LeftButtonPressEvt += new
vtkRenderWindowInteractor.vtkObjectEventHandler(button_LeftButtonPressEvt);

But it doesn't work either.



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[mirko heuegger]

Hello!

You heave to get the RenderWindowInteractor from the currently used
RenderWindowControl.

I posted here a while ago a C# example (subject: '[vtkusers] Change default
mouse buttons') <http://markmail.org/message/loemzhq2pbldhptg> how to do
that.


hth

mirko

Post by louiskoo
Yes,you are right.I am using C# and ActiViz.NET .
I have change it as follows.
button.LeftButtonPressEvt += new
vtkRenderWindowInteractor.vtkObjectEventHandler(button_LeftButtonPressEvt);
But it doesn't work either.
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[louiskoo]

Thanks,I have read what you have written.
However,I just wanna find how to add clicking event to vtkButtonWidget or
vtkEllipticalButtonSource.Can you give me some idea?



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[mirko heuegger]

Hello!

I never used a vtkButtonWidget.
But have you tried to set you Interactor to the widget (over vtk
ButtonWidget.SetInteractor(..))?


hth

mirko

Post by louiskoo
Thanks,I have read what you have written.
However,I just wanna find how to add clicking event to vtkButtonWidget or
vtkEllipticalButtonSource.Can you give me some idea?
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[louiskoo]

Yes,I have taken your suggstion.

vtkButtonWidget buttonWidget = vtkButtonWidget.New();
vtkRenderWindowInteractor renderInteractor =
renderWindowControl1.RenderWindow.GetInteractor();
renderInteractor.LeftButtonPressEvt += new
vtkObject.vtkObjectEventHandler(renderInteractor_LeftButtonPressEvt);
buttonWidget.SetInteractor(renderInteractor);
buttonWidget.SetRepresentation(rep);
//buttonWidget.LeftButtonPressEvt += new
vtkObject.vtkObjectEventHandler(buttonWidget_LeftButtonPressEvt);
buttonWidget.On();

But the result is that the buttonWidget has no effect when I click the
buttonWidget .



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[mirko heuegger]

Hello!

If I extend my mentioned example ('Form1.cs') by:
this.buttonWidget = vtkButtonWidget.New();
iren.LeftButtonPressEvt += new vtkObject.vtkObjectEventHandler(dummyEvnt);
this.buttonWidget.SetInteractor(this.RendWinInteractor);
this.buttonWidget.On();
and the event will fired, so I guess your snippet is working and the error
is located elsewhere.


regards

mirko

Post by louiskoo
Yes,I have taken your suggstion.
vtkButtonWidget buttonWidget = vtkButtonWidget.New();
vtkRenderWindowInteractor renderInteractor =
renderWindowControl1.RenderWindow.GetInteractor();
renderInteractor.LeftButtonPressEvt += new
vtkObject.vtkObjectEventHandler(renderInteractor_LeftButtonPressEvt);
buttonWidget.SetInteractor(renderInteractor);
buttonWidget.SetRepresentation(rep);
//buttonWidget.LeftButtonPressEvt += new
vtkObject.vtkObjectEventHandler(buttonWidget_LeftButtonPressEvt);
buttonWidget.On();
But the result is that the buttonWidget has no effect when I click the
buttonWidget .
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[louiskoo]

Yes , the RendWinInteractor will fire exactly.

I just wanna konw if the event will fired when you click the buttonWidget?



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[jesper1266]

Did you figure out how to fire the event?



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