[Paraview] changing the current view in pvw
Sebastien Jourdain
sebastien.jourdain at kitware.com
Fri May 4 17:01:13 EDT 2012
Hi Cagatay,
could you send me 2 of your state file with your data so I can see how
complex is your pipeline and see which approach is the best ?
Seb
On Fri, May 4, 2012 at 3:27 PM, Cagatay Bilgin <bilgincc at gmail.com> wrote:
> Hi Seb,
> I am completely lost here. I tried the disconnect,
> and as I was expecting the render window is
> gone and I do not see any visualization. I would
> guess I will need to reconnect again.
>
> The view id is the same before and after.
> The datafile is correctly changed though.
> I guess that is the problem ?
>
> Cagatay
>
>
> On Fri, May 4, 2012 at 11:42 AM, Sebastien Jourdain
> <sebastien.jourdain at kitware.com> wrote:
>>
>> By disconnect, I mean the python method Disconnect that basically
>> reset the ServerManager layer without stoping ParaView.
>>
>> To print the view id, if you are using firebug or any development
>> javascript console you can see the output of some JavaScript code if
>> you write
>>
>> console.log(activeView.__selfid__)
>>
>> or if you prefer a popup window, you can call
>>
>> alert(activeView.__selfid__)
>>
>> Most of the documentation is on the wiki of ParaView or inside the
>> sample codes in the git repo.
>>
>> Seb
>>
>> On Fri, May 4, 2012 at 1:41 PM, Cagatay Bilgin <bilgincc at gmail.com> wrote:
>> > adding the following line did not change anything
>> > renderers.current.unbindToElementId('renderercontainer');
>> > and I do not know how to check the view id
>> >
>> > Calling disconnect and connecting again would
>> > indeed solve the problem but why would anyone
>> > want to do that? I am already connected, all I want
>> > to do is load some other data. You do not
>> > connect/disconnect for every query you are going
>> > to execute on database, so why do it here ?
>> >
>> > Is there a paravievweb document I can read somewhere,
>> > like the ITK or VTK books? That would help greatly.
>> >
>> > Thank you,
>> > Cagatay
>> >
>> > On Fri, May 4, 2012 at 6:01 AM, Sebastien Jourdain
>> > <sebastien.jourdain at kitware.com> wrote:
>> >>
>> >> 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