[Paraview] changing the current view in pvw

[Sebastien Jourdain]

Well there is several way to deal with what you want to achieve.

1) if all the data that you are interested are kind of small then you
can all load them and just call "paraview.Show({proxy: objA})" or
"paraview.Hide({proxy: objA})"

To get the proper references of objA, objB, ..., from the state file,
you can query ParaView for that like that:

var objA = paraview.FindSource( { name: "nameInPipelineBrowserInParaView" });

2) if you really want to load and unload them, you will have to
re-init the renderers as I was saying in one of my previous mail. Just
let me know if you want to take that route, I can try to explain more.

Hope that give you enough hints,

Seb

On Thu, May 3, 2012 at 5:40 PM, Cagatay Bilgin <bilgincc at gmail.com> wrote:
> It only re-initializes if I create another session like this
> paraview.createSession("Shuttle", "", "default");
> but I think I shouldn't be creating a new session
> just to see a different object.
>
> I am completely ok with using different file formats. All
> I am trying to do is to minimize the paraviewweb-js-python
> scripting part as I have very limited experience there.  That's
> why I was using state files. Is it better to use something else ?
>
> Thank you,
> Cagatay
>
> On Thu, May 3, 2012 at 2:09 PM, Sebastien Jourdain
> <sebastien.jourdain at kitware.com> wrote:
>>
>> Normally loading a state file should re-initialize everything, so the
>>
>> activeView = paraview.CreateIfNeededRenderView();
>> paraview.ResetCamera();
>> activeView.setCenterOfRotation(activeView.getCameraFocalPoint());
>>
>> should be redone and all the renderer should be re-init with the new view
>> id.
>>
>> Seb
>>
>>
>> On Thu, May 3, 2012 at 5:02 PM, Sebastien Jourdain
>> <sebastien.jourdain at kitware.com> wrote:
>> > Hi Cagatay,
>> >
>> > does your data needs to be a ParaView state file, our would it be
>> > better if it was some other VTK compatible file ?
>> >
>> > Seb
>> >
>> > On Thu, May 3, 2012 at 3:18 PM, Cagatay Bilgin <bilgincc at gmail.com>
>> > wrote:
>> >> I am trying to build a web application that
>> >> can visualize different objects by the use
>> >> of a drop down bar. I do not want to create
>> >> new connections or sessions every time the
>> >> user changes object to be visualized. I've
>> >> been trying the whole morning and could not
>> >> figure out how to i) delete the current view,
>> >> ii) set it to the view view and iii) refresh the
>> >> page. Here is what I have so far.
>> >>
>> >>
>> >>
>> >>                 var renderers = {};
>> >>                 var paraview;
>> >>                 var activeView;
>> >>                 var basePath =
>> >>
>> >> '/bioimaging/home/ccbilgin/opt/apache-tomcat-6.0.35/webapps/PWShuttle/data/';
>> >>                 var dataFile = 'tmp.pvsm';
>> >>  *               paraview = new Paraview(serverUrl);
>> >>  *               paraview.createSession("Shuttle", "", "default");
>> >>
>> >>                 function start(){
>> >>                      //paraview.LoadState({filename: basePath +
>> >> '/state.pvsm'});
>> >>                     paraview.updateConfiguration(true, "JPEG", "-");
>> >>                     paraview.LoadState({filename: basePath +
>> >> dataFile});
>> >>                     activeView = paraview.CreateIfNeededRenderView();
>> >>                     paraview.ResetCamera();
>> >>
>> >> activeView.setCenterOfRotation(activeView.getCameraFocalPoint());
>> >>
>> >>                     // Create renderers
>> >>                     renderers.java = new
>> >> HttpAppletRenderer("javaRenderer",
>> >> serverUrl);
>> >>                     renderers.java.init(paraview.sessionId,
>> >> activeView.__selfid__);
>> >>                     renderers.java.setSize("1","1");
>> >>
>> >>                     renderers.flash = new
>> >> FlashRenderer("flashRenderer",
>> >> serverUrl);
>> >>                     renderers.flash.init(paraview.sessionId,
>> >> activeView.__selfid__);
>> >>
>> >>                     renderers.js = new JavaScriptRenderer("jsRenderer",
>> >> serverUrl);
>> >>                     renderers.js.init(paraview.sessionId,
>> >> activeView.__selfid__);
>> >>
>> >>                     paraview.updateConfiguration(true, "JPEG",
>> >> "WebGL");
>> >>                     renderers.webgl = new
>> >> WebGLRenderer("webglRenderer",
>> >> serverUrl);
>> >>                     renderers.webgl.init(paraview.sessionId,
>> >> activeView.__selfid__);
>> >>
>> >>                     // Remove Java when use in IE
>> >>                     if (navigator.appName.indexOf ('Microsoft') != -1)
>> >> {
>> >>                         var e = document.getElementById("java")
>> >>                         var parent = e.parentNode;
>> >>                         if(e){
>> >>                             parent.removeChild(e);
>> >>                         }
>> >>                     }
>> >>
>> >>                     // Use webgl as default
>> >>                     renderers.current = renderers.webgl;
>> >>
>> >> renderers.current.bindToElementId("renderercontainer");
>> >>                     renderers.current.start();
>> >>
>> >>                     // Update render size
>> >>                     updateSize();
>> >>
>> >>                     // Action images
>> >>                     updateActionButtons(true);
>> >>                 }
>> >>
>> >> ....
>> >>
>> >> function switchData(){
>> >>                     var type =
>> >> document.getElementById("data-type").value;
>> >>                     dataFile = 'cone.pvsm';
>> >>                     start();
>> >>                 }
>> >>
>> >> ....
>> >>
>> >> <select id="data-type" name="data-type"
>> >>                 style="z-index: 5;width: 100px; position: absolute;
>> >> right:
>> >> 40px; top: 30px;"
>> >>                 onchange="switchData()" >
>> >>             <option value="1">1.mhd</option>
>> >>             <option value="2">2.mhd</option>
>> >>             <option value="3">3.mhd</option>
>> >>         </select>
>> >>
>> >>
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>
>