[vtkusers] QVTKWidget HelloWorld example?

[Carlos Capdepon]

>
> QVTKWidget HelloWorld example code:
>
> CMakeLists.txt

CMAKE_MINIMUM_REQUIRED(VERSION 2.0)
# Project customization.
SET(PROJECT_NAME "VTK_QT_HW")
SET(EXECUTABLE_NAME "vtkQtHelloWorld")
SET(${PROJECT_NAME}_SOURCES vtkQtHello.cxx)
# Project's name.
PROJECT(${PROJECT_NAME})
# Find Visualization Toolkit 5.x
FIND_PACKAGE(VTK REQUIRED)
IF(VTK_FOUND)
 INCLUDE(${VTK_USE_FILE})
 MESSAGE(STATUS "Visualization Toolkit found.")
ELSE(VTK_FOUND)
 MESSAGE(FATAL_ERROR "Cannot build ${PROJECT_NAME} without VTK.  Please set
VTK_DIR.")
ENDIF(VTK_FOUND)
MARK_AS_ADVANCED(VTK_DIR)
# Find Qt 4.x
FIND_PACKAGE(QT4 REQUIRED)
IF(QT_FOUND)
 INCLUDE(${QT_USE_FILE})
 MESSAGE(STATUS "Qt4 found.")
ELSE(QT_FOUND)
 MESSAGE(FATAL_ERROR "Cannot build ${PROJECT_NAME} without Qt4.")
ENDIF(QT_FOUND)
MARK_AS_ADVANCED(QT_QMAKE_EXECUTABLE)
# Disable deprecated function warning = #pragma warning(disable : 4996)
ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
# Executable's name and sources.
ADD_EXECUTABLE(${EXECUTABLE_NAME} ${${PROJECT_NAME}_SOURCES})
# Link the executable to the vtkRendering library.
SET(VTK_LIBRARIES vtkRendering vtkGraphics vtkHybrid QVTK)
TARGET_LINK_LIBRARIES(${EXECUTABLE_NAME} ${QT_LIBRARIES} ${VTK_LIBRARIES})

> vtkQtHello.cxx

 // QVTKWidget Hello World!

#include <QApplication>
#include <QMainWindow>

#include <QVTKWidget.h>

#include <vtkRenderWindow.h>
#include <vtkRenderer.h>
#include <vtkTextSource.h>
#include <vtkVectorText.h>
#include <vtkPolyDataMapper.h>
#include <vtkActor.h>

int main( int argc, char **argv )
{
    QApplication app(argc,argv);
 QMainWindow *mainWindow = new QMainWindow;
  mainWindow->setFixedSize(640,360);

 QVTKWidget *widget = new QVTKWidget;
  mainWindow->setCentralWidget(widget);

 vtkTextSource *text = vtkTextSource::New();
  text->SetText("Hello World!");
  text->BackingOff();
 vtkVectorText *vectorText = vtkVectorText::New();
  vectorText->SetText("QVTKWidget");
 vtkPolyDataMapper *textMapper = vtkPolyDataMapper::New();
  textMapper->SetInput(text->GetOutput());
 vtkPolyDataMapper *vectorTextMapper = vtkPolyDataMapper::New();
  vectorTextMapper->SetInput(vectorText->GetOutput());
 vtkActor *textActor = vtkActor::New();
  textActor->SetMapper(textMapper);
 vtkActor *vectorTextActor = vtkActor::New();
  vectorTextActor->SetMapper(vectorTextMapper);
 vtkRenderer *renderer = vtkRenderer::New();
  renderer->SetBackground(0.4,0.6,0.8);
  renderer->AddActor(textActor);
  renderer->AddActor(vectorTextActor);
 vtkRenderWindow *renderWindow = vtkRenderWindow::New();
  renderWindow->AddRenderer(renderer);
  renderWindow->SetStereoTypeToDresden();

 widget->SetRenderWindow(renderWindow);
 mainWindow->show();
 app.aboutQt();
    return app.exec();
}

> Any answer about QVTKWidgetPlugin linking errors? :-(

--
Un saludo,
"Carlos Capdepón" <carlos.capdepon at gmail.com>
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