[Paraview] PV Web scrollwheel for zoom, wrong legend

[Ken Martin]

<ctrl><shift>left mouse does work as zoom in vtk.js FWIW - Ken

On Wed, Aug 17, 2016 at 7:32 PM, Sebastien Jourdain <
sebastien.jourdain at kitware.com> wrote:

> vtk.js interaction does not currently implement zooming. So the current
> behavior is expected.
>
> What are you trying to do with vtk.js and salome? vtk.js has not been
> released yet and is a pure JavaScript/client library.
>
>
>
> On Wed, Aug 17, 2016 at 3:18 PM, Daniel Zuidinga <info at seoaachen.de>
> wrote:
>
>> shouldn't work scroll wheel in vtk.js? e.g. here
>> https://kitware.github.io/vtk-js/examples/HttpSceneLoader.html
>> I have to compile the whole sources? I use pv of salome meca. I hope it
>> isn't to complicated and cpu intensive.
>>
>>
>> Am 17.08.2016 um 22:32 schrieb Sebastien Jourdain:
>>
>> I guess ParaView is missing more code on the server side. ;-)
>> This time, it will be in the C++.
>>
>>
>> ${ParaView-src}/VTK/Web/Core/vtkWebApplication.cxx =>
>> vtkPVWebApplication::HandleInteractionEvent
>>
>> vs
>>
>> ${ParaView-src}/Web/Core/vtkPVWebApplication.cxx =>
>> vtkWebApplication::HandleInteractionEvent
>>
>> The VTK one has:
>>
>>   // Handle scroll action if any
>>   if(event->GetScroll()) {
>>     iren->SetEventInformation(0, 0, ctrlKey, shiftKey,
>> event->GetKeyCode(), 0);
>>     iren->MouseMoveEvent();
>>     iren->RightButtonPressEvent();
>>     iren->SetEventInformation(0, event->GetScroll()*10, ctrlKey,
>> shiftKey, event->GetKeyCode(), 0);
>>     iren->MouseMoveEvent();
>>     iren->RightButtonReleaseEvent();
>>     this->Internals->ImageCache[view].NeedsRender = true;
>>     return true;
>>   }
>>
>> If you got it working, could you submit a pull request on our gitlab and
>> assign it to me so those fix could be part of PV 5.2?
>>
>> Thanks,
>>
>> Seb
>>
>> On Wed, Aug 17, 2016 at 2:08 PM, Daniel Zuidinga <info at seoaachen.de>
>> wrote:
>>
>>> I added the lines but scroll wheel does not work
>>>
>>>
>>>> Look at ${pv_src}/Web/Python/paraview/web/protocols.py
>>>> #ParaViewWebMouseHandler
>>>> vs ${pv_src}/VTK/Web/Python/vtk/web/protocols.py   #vtkWebMouseHandler
>>>>
>>>> it seems the paraview one is missing:
>>>>
>>>>       if event.has_key("scroll"):
>>>>             pvevent.SetScroll(event["scroll"])
>>>>
>>>> Just add it to your paraview python file.
>>>>
>>>>
>>>
>>
>>
>
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-- 
Ken Martin PhD
Chairman & CFO
Kitware Inc.
28 Corporate Drive
Clifton Park NY 12065
518 371 3971

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