[Paraview] pqColorScaleEditor crash

[Utkarsh Ayachit]

Gil,

If you can provide the call-stack for where you're getting the
segfault, it will be helpful.

Utkarsh

On Thu, Mar 31, 2011 at 10:13 AM, Gil Wertz <gilwertz at hotmail.com> wrote:
> I'm making a program that make calculation and try to integrate some
> Paraview stuff, every things goes fine, I have my render from the server,
> but when I use pqColorScaleEditor, the dialog show himself, I can change
> color depending on scale but when I check the legend checkbox, the
> application crash and I have no idea why ...
>
> Part of my code :
>
>     void Widget3D::show_color_editor(){
>
>       scaleEdit = new pqColorScaleEditor(m_RenderView->getWidget());
>       pqDataRepresentation* repr = m_input->getRepresentation(m_RenderView);
>       scaleEdit->setRepresentation(repr);
>       scaleEdit->show();
>
>     }
>
>     void Widget3D::createView(){
>         if(m_server){
>         // create a graphics window and put it in our main window
>         this->m_RenderView = qobject_cast<pqRenderView*>(
>           m_object_builder->createView(pqRenderView::renderViewType(),
> m_server));
>
>         if(m_RenderView){
>           m_layout_v->insertWidget(0,this->m_RenderView->getWidget());
>         }else{
>             //NLog::globalLog()->addError("Problem when creating a
> RenderView.");
>         }
>         }else{
>             //NLog::globalLog()->addError("Cannot create RenderView if no
> paraview server connection is set.");
>         }
>
>     }
>
>     void Widget3D::showRender()
>     {
>         if(m_source){
>
>             m_input = m_source;//m_filter2;
>
>
> m_object_builder->createDataRepresentation(m_input->getOutputPort(0),
> this->m_RenderView);
>
>             changeStyle();
>
>             pqDataRepresentation* repr =
> m_input->getRepresentation(m_RenderView);
>
>
> this->m_color->setRepresentation(m_input->getRepresentation(m_RenderView));
>
>
> //this->scaleEdit->setRepresentation(m_input->getRepresentation(m_RenderView));
>
>             qDebug() << repr->getLookupTable();
>             //m_RenderView->get
>             qDebug() << repr->getLookupTableProxy();
>
>             // zoom to object
>             this->m_RenderView->resetCamera();
>             // make sure we update
>             this->m_RenderView->render();
>
>         }else{
>             //NLog::globalLog()->addError("There is no file to render.");
>         }
>     }
>
>     Widget3D::Widget3D(QWidget *parent) :
>             QWidget(parent)
>     {
>         // automatically make a server connection
>         m_core = pqApplicationCore::instance();
>         m_object_builder = m_core->getObjectBuilder();
>
>         // Register ParaView interfaces.
>         m_plugin_manager = m_core->getPluginManager();
>
>         // adds support for standard paraview views.
>         m_plugin_manager->addInterface(new
> pqStandardViewModules(m_plugin_manager));
>
>     createView();
>
>         showRender();
>
>
> connect(m_show_color_palet,SIGNAL(released()),this,SLOT(show_color_editor()));
>
>     }
>
>
>
> You'll notice that I use client - server paraview architecture. What is
> strange is that I have no problem seting color on my mesh but the legend
> make the application crash.
>
> I tryed different things like :
>       scaleEdit = new pqColorScaleEditor(m_RenderView->getWidget());
>       scaleEdit->show();
>      => it show me that there is no map ta set the legend... So I think it
> found the map
>
> Maybe the problem is that the rendering is made in server side, but I did
> not have problems with "pqDisplayColorWidget" that also use
> pqDataRepresentation.
>
>
> Thanks for any idea, if you need the full code I can provide it.
>
> ________________________________
>
> Wertz Gil
>
> gilwertz at hotmail.com
>
> ________________________________
>
>
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