[vtkusers] vtkInteractorStyleImage.js and center mouse down

[Sebastien Jourdain]

I guess the question is what do you want to do with handleInteractionEvent ?

It is true that no code is using it, but mostly because there is not much
usage of it right now. Usually we care of a mousePress or else.

On Fri, Sep 14, 2018 at 2:29 PM Rick Frank <rickfrank at me.com> wrote:

> 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> 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> 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> 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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