[Paraview] Fw: Paraviewweb

Fri Apr 13 15:11:45 EDT 2012

Attached is a simple python script that shows how to make a selection
for cell visible cells through Python. You can use something similar
to setup a plugin for ParaViewWeb to make your selections and set them
up.

Utkarsh

On Tue, Apr 10, 2012 at 9:27 AM, Utkarsh Ayachit
<utkarsh.ayachit at kitware.com> wrote:
> This can be a little tricky one: let me try to come up with a Python
> script that makes a selection and that should make things clearer.
>
> Utkarsh
>
> On Tue, Apr 10, 2012 at 3:53 AM, Jane Hickmott <jane.hickmott at yahoo.com> wrote:
>> Hi Utkarsh,
>> Seb has indicated that you may be able to help with an issue of trying to
>> create an interactive selection with labels (see below).  I'm totally stuck.
>>  Any help will be much appreciated.
>> Thanks.
>> Jane
>>
>> ----- Forwarded Message -----
>> From: Sebastien Jourdain <sebastien.jourdain at kitware.com>
>> To: Jane Hickmott <jane.hickmott at yahoo.com>
>> Cc: "paraview at paraview.org" <paraview at paraview.org>; Utkarsh Ayachit
>> <utkarsh.ayachit at kitware.com>
>> Sent: Sunday, 8 April 2012, 19:15
>> Subject: Re: [Paraview] Paraviewweb
>>
>> Ok, I miss understood your goal.
>>
>> Then, the missing part should be something like that.
>>
>> var view = paraview.GetRenderView(); // this is optional if you
>> already have a reference to the view...
>> view.setInteractionMode(2);
>>
>> Although, I've quickly tried it online with firebug and I did not
>> manage to see the selection. I'm wondering if we are both missing
>> something here... Like the creation of a selection proxy that is
>> created to get the selected screen area and convert it to a set of
>> cellId...
>>
>> Utkarsh might have a better insight on that selection part.
>>
>> Seb
>>
>> PS: Here is the mapping based on the string values
>>
>> file:
>> ParaView-SRC/ParaViewCore/ServerImplementation/Resources/views_and_representations.xml
>>
>> <IntVectorProperty name="InteractionMode"
>>       command="SetInteractionMode"
>>       number_of_elements="1"
>>       default_values="0">
>>       <EnumerationDomain name="enum">
>>         <Entry text="3D" value="0" />
>>         <Entry text="2D" value="1" />
>>         <Entry text="Selection" value="2" />
>>       </EnumerationDomain>
>>     </IntVectorProperty>
>>
>> On Sun, Apr 8, 2012 at 12:43 PM, Jane Hickmott <jane.hickmott at yahoo.com>
>> wrote:
>>> Hi Seb,
>>> Thank you for your help.  However, your code appears to only toggle
>>> 'SelectionPointLabelVisibility' on/off.  What I really need is the
>>> equivalent of 'select points on' button as on the GUI that will enable me
>>> to
>>> interactively select an area on the plot to display labels on.  I can do
>>> this easily interactively, but the python trace appears not to record all
>>> of
>>> the clicks.  There is something I'm missing...
>>>
>>> Frustrated... :(
>>>
>>> Jane.
>>>
>>> ________________________________
>>> From: Sebastien Jourdain <sebastien.jourdain at kitware.com>
>>> To: Jane Hickmott <jane.hickmott at yahoo.com>
>>> Cc: paraview at paraview.org
>>> Sent: Sunday, 8 April 2012, 14:44
>>> Subject: Re: [Paraview] Paraviewweb
>>>
>>> Hi Jane,
>>>
>>> keep the prarview mailing list in the loop so anyone could contribute and
>>> learn.
>>>
>>> In your case that will be pretty simple.
>>> If you use jQuery as JavaScript library that could look like that:
>>>
>>> var sourceProxy = paraview.FindSource({name:"Fluid_f2.vtk"});
>>> var representation = paraview.GetDisplayProperties({proxy: sourceProxy});
>>> $('.my-button-class').click(function() {
>>>   if($(this).toggleClass("showLabel").hasClass("showLabel")) {
>>>     representation.setSelectionPointLabelVisibility(1);
>>>   } else {
>>>     representation.setSelectionPointLabelVisibility(0);
>>>   }
>>> });
>>>
>>> Or you can create a python script on the server side that can be
>>> called from the JavaScript.
>>> For more details on that you can read the plugin documentation of
>>> ParaViewWeb here.
>>>
>>> http://www.paraview.org/Wiki/ParaViewWeb_Plugins
>>>
>>> Seb
>>>
>>> On Sun, Apr 8, 2012 at 4:10 AM, Jane Hickmott <jane.hickmott at yahoo.com>
>>> wrote:
>>>> Thank you, Seb.  Much appreciated.  Sorry I'm a novice in Javascript.
>>>>  Here
>>>> is a python trace of what I would like to accomplish - can anyone please
>>>> show me how to convert this to javascript?  Many thanks.
>>>> As an aside is there no way to call an external python module from within
>>>> javascript?  That would solve everything.
>>>>
>>>> Jane.
>>>>
>>>> try: paraview.simple
>>>> except: from paraview.simple import *
>>>> paraview.simple._DisableFirstRenderCameraReset()
>>>>
>>>> Fluid_f2 = FindSource("Fluid_f2.vtk")
>>>> DataRepresentation1 = GetDisplayProperties(Fluid_f2)
>>>> RenderView1 = GetRenderView()
>>>> DataRepresentation1.SelectionPointLabelVisibility = 1
>>>>
>>>> RenderView1.InteractionMode = 'Selection'
>>>>
>>>> RenderView1.CameraClippingRange = [19767.705902611211,
>>>> 38094.489486240847]
>>>> RenderView1.InteractionMode = '3D'
>>>>
>>>> Render()
>>>>
>>>> ________________________________
>>>> From: Sebastien Jourdain <sebastien.jourdain at kitware.com>
>>>> To: Jane Hickmott <jane.hickmott at yahoo.com>
>>>> Cc: "paraview at paraview.org" <paraview at paraview.org>
>>>> Sent: Saturday, 7 April 2012, 19:29
>>>> Subject: Re: [Paraview] Paraviewweb
>>>>
>>>> Hi Jane,
>>>>
>>>> The best thing to do to figure out what is needed in your use case, is
>>>> to load your state inside ParaView and do the action that you want to
>>>> achieve while the Python trace is recording your changes.
>>>>
>>>> Once you get the trace of your actions you can either convert that
>>>> code to JavaScript or write a plugin that execute somehow the same
>>>> action in Python as we are using python to write ParaViewWeb plugins.
>>>>
>>>> The access of the trace mechanism is inside the Tools menu of ParaView.
>>>>
>>>> If you need some help to figure out the conversion between Python and
>>>> JS, just post the trace on the mailing list.
>>>>
>>>> I'm glad you managed to produce your own first Web application using
>>>> ParaViewWeb.
>>>>
>>>> Seb
>>>>
>>>> On Sat, Apr 7, 2012 at 6:44 AM, Jane Hickmott <jane.hickmott at yahoo.com>
>>>> wrote:
>>>>> Hi Paraview community!
>>>>> I am trying to develop a paraviewweb application that involves loading
>>>>> of
>>>>> a
>>>>> state file plus the creation of a 'button' to allow data labels to
>>>>> appear
>>>>> on
>>>>> the plot.  I can load the state file but have no idea how to create the
>>>>> necessary button and functionality.  I would be grateful to anyone kind
>>>>> enough to give me a few pointers.  Thank you.
>>>>>
>>>>> Jane
>>>>>
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>>>>>
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>>>>>
>>>>> Please keep messages on-topic and check the ParaView Wiki at:
>>>>> http://paraview.org/Wiki/ParaView
>>>>>
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>>>>>
>>>>
>>>>
>>>
>>>
>>
>>
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