[vtkusers] Example VTK with Qt

[Agata Krasoń]

Thanks very much for this example  ! And good advice ;)

I can load and display mesh corectly !
I have only small problem with save as.. file

// Constructor
SimpleView::SimpleView()
{
  this->ui = new Ui_SimpleView;
  this->ui->setupUi(this);

  // Set up action signals and slots
  connect(this->ui->actionExit, SIGNAL(triggered()), this,
SLOT(slotExit()));
  connect(this->ui->openButton, SIGNAL(clicked()), this, SLOT(openFile()));
  connect(this->ui->saveButton, SIGNAL(clicked()), this, SLOT(saveFile()));

}

void SimpleView::slotExit()
{
  qApp->exit();
}

void SimpleView::openFile()
{

 QString fileName = QFileDialog::getOpenFileName(this, tr("Open file with
model/mesh"), "", tr("files (*.vtp);;All Files (*)"));

 std::string  filename = fileName.toLatin1();
 vtkSmartPointer<vtkXMLPolyDataReader> reader =
vtkSmartPointer<vtkXMLPolyDataReader>::New();
 reader->SetFileName(fileName.toLatin1());
     reader->Update();

 vtkSmartPointer<vtkPolyData> polydata =
vtkSmartPointer<vtkPolyData>::New();
 polydata = reader->GetOutput();

 vtkSmartPointer<vtkRenderer> renderer =
vtkSmartPointer<vtkRenderer>::New();
     this->ui->qvtkWidget->GetRenderWindow()->AddRenderer(renderer);

    vtkSmartPointer<vtkPolyDataMapper> mapper =
vtkSmartPointer<vtkPolyDataMapper>::New();
    vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New();
    polydata = reader->GetOutput();
    mapper->SetInput(polydata);
    actor->SetMapper(mapper);
    renderer->AddActor(actor);


}

void SimpleView::saveFile()
{

 vtkSmartPointer<vtkXMLPolyDataReader> reader =
vtkSmartPointer<vtkXMLPolyDataReader>::New();
 reader->SetFileName(fileName.toLatin1());
     reader->Update();


 QString fileName = QFileDialog::getSaveFileName(this, tr("Save File"), "
",tr("Mesh (*.vtp)"));

     std::string filename = fileName.toLatin1();
 vtkSmartPointer<vtkXMLPolyDataWriter> writer =
vtkSmartPointer<vtkXMLPolyDataWriter>::New();
     writer->SetInput(reader->GetOutput());
     writer->SetFileName(fileName.toLatin1());
     writer->Write();


}


Error message :
vtkStreamingDemandDrivenPipeline (053B1F78): Algorithm
vtkXMLPolyDataReader(053B2AD0) returned failure for request: vtkInformation
(053C1730)
  Debug: Off
  Modified Time: 2328
  Reference Count: 1
  Registered Events: (none)
  Request: REQUEST_INFORMATION
  ALGORITHM_AFTER_FORWARD: 1
  FORWARD_DIRECTION: 0



ERROR: In C:\VTK\VTK-5.8\sources\IO\vtkXMLReader.cxx, line 219
vtkXMLPolyDataReader (053B2AD0): Error opening file

ERROR: In C:\VTK\VTK-5.8\sources\Filtering\vtkExecutive.cxx, line 756
vtkStreamingDemandDrivenPipeline (053B1F78): Algorithm
vtkXMLPolyDataReader(053B2AD0) returned failure for request: vtkInformation
(053C4060)
  Debug: Off
  Modified Time: 2453
  Reference Count: 1
  Registered Events: (none)
  Request: REQUEST_DATA
  FROM_OUTPUT_PORT: 0
  ALGORITHM_AFTER_FORWARD: 1
  FORWARD_DIRECTION: 0



2012/8/17 David Doria <daviddoria at gmail.com>

> On Fri, Aug 17, 2012 at 10:19 AM, Agata Krasoń <agatakrason at gmail.com>
> wrote:
> > Thanks very much for this example  ! And good advice ;)
> >
> > I can load and display mesh corectly !
> > I have only small problem with save as.. file
>
> Please keep the discussion on the mailing list.
>
> What is the problem?
>
> David
>
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