[Paraview] changing the current view in pvw
Sebastien Jourdain
sebastien.jourdain at kitware.com
Fri May 4 09:01:19 EDT 2012
Hum,
I will have to do it myself to see exactly what is going on.
Unfortunately there is no clean way to cleanup the proxies of
ParaView, so you know that you start from fresh for each data.
I'm wondering if calling Diconnect() before loading the new data could
solve the issue.
On the other hand, in your current code, I don't see any "unbind" of
your renderer which could end-up being on the top of the new one you
just create. Did you double check that the view id that you get is
different ?
Seb
On Thu, May 3, 2012 at 6:47 PM, Cagatay Bilgin <bilgincc at gmail.com> wrote:
> Hi Seb,
>
> The first option will not scale. We will
> have a growing number of tissue samples
> to be visualized and this option will be
> infeasible soon.
>
> I am already re-initializing the renderer
> with the new activeview. The minimal
> example illustrating the issue is here
>
> var renderers = {};
> var paraview;
> var activeView;
> var basePath = 'data/';
> var dataFile = 'sphere.pvsm';
>
> paraview = new Paraview(serverUrl);
> paraview.createSession("Shuttle", "", "default");
>
> function start(){
> paraview.LoadState({filename: basePath + dataFile});
> activeView = paraview.CreateIfNeededRenderView();
> paraview.ResetCamera();
> activeView.setCenterOfRotation(activeView.getCameraFocalPoint());
>
> paraview.updateConfiguration(true, "JPEG", "WebGL");
> renderers.webgl = new WebGLRenderer("webglRenderer", serverUrl);
> renderers.webgl.init(paraview.sessionId, activeView.__selfid__);
>
> // Use webgl as default
> renderers.current = renderers.webgl;
> renderers.current.bindToElementId("renderercontainer");
> renderers.current.start();
>
> // Update render size
> updateSize();
> }
> ...
> function switchData(){
> dataFile = 'cone.pvsm';
> start();
> }
>
> This script successfully loads the sphere but
> does not switch to cone. If I move the
> paraview.createSession("Shuttle", "", "default");
> in to start function, things start working as expected:
> Sphere is visualized first, and cone is loaded and
> visualized when the button is clicked at the cost of
> an unnecessary session. I am trying to do things
> cleanly, and do not want to have dangling sessions
> for no reason.
>
> Thank you for your help,
> Cagatay
>
> On Thu, May 3, 2012 at 3:15 PM, Sebastien Jourdain
> <sebastien.jourdain at kitware.com> wrote:
>>
>> 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>
>> >> >>
>> >> >>
>> >> >> _______________________________________________
>> >> >> Powered by www.kitware.com
>> >> >>
>> >> >> Visit other Kitware open-source projects at
>> >> >> http://www.kitware.com/opensource/opensource.html
>> >> >>
>> >> >> Please keep messages on-topic and check the ParaView Wiki at:
>> >> >> http://paraview.org/Wiki/ParaView
>> >> >>
>> >> >> Follow this link to subscribe/unsubscribe:
>> >> >> http://www.paraview.org/mailman/listinfo/paraview
>> >> >>
>> >
>> >
>
>
More information about the ParaView
mailing list