[vtkusers] vtkInteractorStyleImage.js and center mouse down

[Rick Frank]

The interactor styles Invoke the events.....


   case States.IS_PAN:
         publicAPI.handleMousePan(renderer, pos);
         publicAPI.invokeInteractionEvent({ type: 'InteractionEvent' });
         break;


etc


but I can't find an example of a receiver (observer) of the 
InteractionEvent....


somewhere that implements handleInteractionEvent....

I searched vtk.js for handleInteractionEvent and didn't find anything...

?

Thanks


Rick





On 09/14/2018 05:14 PM, Sebastien Jourdain wrote:
> Your interactorObserver only need to implement 
> handleStartInteractionEvent, handleInteractionEvent, 
> handleEndInteractionEvent.
> They will automatically be linked.
>
> Look at any other InteractorStyle implementation if need be.
>
> Seb
>
> On Fri, Sep 14, 2018 at 2:06 PM Rick Frank <rickfrank at me.com 
> <mailto:rickfrank at me.com>> wrote:
>
>     Thanks.
>
>
>     This event list seems to be missing
>
>
>     const START_INTERACTION_EVENT = { type: 'StartInteractionEvent' };
>     const INTERACTION_EVENT = { type: 'InteractionEvent' };
>     const END_INTERACTION_EVENT = { type: 'EndInteractionEvent' };
>
>
>     and so function vtkInteractorObserver::subscribeToEvents() {)
>
>     doesn't get them.
>
>     I think this is a bug, or am I missing something?
>
>     I'm trying to create an interactor observer and I can get the
>     interaction events....
>
>
>     Thanks
>
>     Rick
>
>
>     On 09/13/2018 02:12 PM, Sebastien Jourdain wrote:
>>     I think it is named MiddleButton. You can find the full list here:
>>     https://github.com/Kitware/vtk-js/blob/master/Sources/Rendering/Core/RenderWindowInteractor/index.js#L28-L56
>>
>>     On Thu, Sep 13, 2018 at 11:00 AM Rick Frank <rickfrank at me.com
>>     <mailto:rickfrank at me.com>> wrote:
>>
>>         For the time being I have a subclass of
>>         vtkInteractorStyleTrackballCamera which is a crib of
>>         vtkInteractorStyleSlice for handing slice views....
>>
>>
>>         I can get:
>>
>>          publicAPI.handleRightButtonPress = (callData) => {
>>                 const pos = callData.position;
>>                 model.previousPosition = pos;
>>                 publicAPI.startDolly();
>>             };
>>
>>         to override RightButton
>>
>>         but there doesn't seem to be a
>>
>>          publicAPI.handleCenterButtonPress = (callData) => {
>>              ....
>>             };
>>
>>
>>         ....
>>
>>         Am I missing something on how to get the center button? I can
>>         get the wheel....
>>
>>
>>         Thanks
>>
>>         Rick
>>
>>
>>         On 09/13/2018 01:21 PM, Sebastien Jourdain wrote:
>>>         The manipulator infrastructure come from ParaView and has
>>>         never been pushed to VTK on the c++ side.
>>>         Anyhow, we have a ManipulatorStyle on which we register a
>>>         bunch of manipulators to custom build our style binding (pan
>>>         on left-button, rotate on left-button+Alt, ...).
>>>         That's the high level concept.
>>>
>>>         So either you provide a XXXXStyle that should handle
>>>         everything or use a ManipulatorStyle on which you register
>>>         manipulators...
>>>
>>>
>>>
>>>         On Thu, Sep 13, 2018 at 10:02 AM Rick Frank via vtkusers
>>>         <vtkusers at public.kitware.com
>>>         <mailto:vtkusers at public.kitware.com>> wrote:
>>>
>>>             Hi,
>>>
>>>             I'm using vtkInteractorStyleImage and notice that I
>>>             don't have access to
>>>             a center mouse down (for Pan)...
>>>
>>>
>>>             but the Manipulators have center mouse down...
>>>
>>>
>>>             Manipulators seems to be a new thing in the vtk.js
>>>
>>>
>>>             How do they relate to the interactors? Is there a way to
>>>             get a center
>>>             mouse down in my interactorStyleImage subclass
>>>
>>>
>>>             Rick
>>>
>>>
>>>
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>

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