Difference between revisions of "VTK/Examples/Cxx/Widgets/BalloonWidget"

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(Replaced content with "= '''See [https://lorensen.github.io/VTKExamples/site/Cxx/Widgets/BalloonWidget BalloonWidget] on the new [https://lorensen.github.io/VTKExamples/site/ VTKExamples website...")
 
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<div class="floatright">[[File:VTK_Examples_Baseline_Widgets_TestBalloonWidget.png]]</div>
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= '''See [https://lorensen.github.io/VTKExamples/site/Cxx/Widgets/BalloonWidget BalloonWidget] on the new [https://lorensen.github.io/VTKExamples/site/ VTKExamples website].''' =
==BalloonWidget==
 
 
 
This example creates a sphere and a regular polygon. The balloon text describes each object when you hover over it.
 
 
 
==BalloonWidget.cxx==
 
<source lang="cpp">
 
#include <vtkActor.h>
 
#include <vtkBalloonRepresentation.h>
 
#include <vtkBalloonWidget.h>
 
#include <vtkCommand.h>
 
#include <vtkInteractorStyleTrackball.h>
 
#include <vtkInteractorStyleTrackballCamera.h>
 
#include <vtkPolyData.h>
 
#include <vtkPolyDataMapper.h>
 
#include <vtkRenderWindow.h>
 
#include <vtkRenderWindowInteractor.h>
 
#include <vtkRenderer.h>
 
#include <vtkSmartPointer.h>
 
#include <vtkSphereSource.h>
 
#include <vtkRegularPolygonSource.h>
 
 
int main (int, char *[])
 
{
 
  // Sphere
 
  vtkSmartPointer<vtkSphereSource> sphereSource =
 
    vtkSmartPointer<vtkSphereSource>::New();
 
  sphereSource->SetCenter(-4.0, 0.0, 0.0);
 
  sphereSource->SetRadius(4.0);
 
  sphereSource->Update();
 
 
 
  vtkSmartPointer<vtkPolyDataMapper> sphereMapper =
 
    vtkSmartPointer<vtkPolyDataMapper>::New();
 
  sphereMapper->SetInputConnection(sphereSource->GetOutputPort());
 
 
  vtkSmartPointer<vtkActor> sphereActor =
 
    vtkSmartPointer<vtkActor>::New();
 
  sphereActor->SetMapper(sphereMapper);
 
 
  // Regular Polygon
 
  vtkSmartPointer<vtkRegularPolygonSource> regularPolygonSource =
 
    vtkSmartPointer<vtkRegularPolygonSource>::New();
 
  regularPolygonSource->SetCenter(4.0, 0.0, 0.0);
 
  regularPolygonSource->SetRadius(4.0);
 
  regularPolygonSource->Update();
 
 
 
  vtkSmartPointer<vtkPolyDataMapper> regularPolygonMapper =
 
    vtkSmartPointer<vtkPolyDataMapper>::New();
 
  regularPolygonMapper->SetInputConnection(regularPolygonSource->GetOutputPort());
 
 
  vtkSmartPointer<vtkActor> regularPolygonActor =
 
    vtkSmartPointer<vtkActor>::New();
 
  regularPolygonActor->SetMapper(regularPolygonMapper);
 
 
  // A renderer and render window
 
  vtkSmartPointer<vtkRenderer> renderer =
 
    vtkSmartPointer<vtkRenderer>::New();
 
  vtkSmartPointer<vtkRenderWindow> renderWindow =
 
    vtkSmartPointer<vtkRenderWindow>::New();
 
  renderWindow->AddRenderer(renderer);
 
 
  // An interactor
 
  vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
 
    vtkSmartPointer<vtkRenderWindowInteractor>::New();
 
  renderWindowInteractor->SetRenderWindow(renderWindow);
 
 
  // Create the widget
 
  vtkSmartPointer<vtkBalloonRepresentation> balloonRep =
 
    vtkSmartPointer<vtkBalloonRepresentation>::New();
 
  balloonRep->SetBalloonLayoutToImageRight();
 
 
  vtkSmartPointer<vtkBalloonWidget> balloonWidget =
 
    vtkSmartPointer<vtkBalloonWidget>::New();
 
  balloonWidget->SetInteractor(renderWindowInteractor);
 
  balloonWidget->SetRepresentation(balloonRep);
 
  balloonWidget->AddBalloon(sphereActor,
 
                            "This is a sphere",NULL);
 
  balloonWidget->AddBalloon(regularPolygonActor,
 
                            "This is a regular polygon",NULL);
 
 
 
  // Add the actors to the scene
 
  renderer->AddActor(sphereActor);
 
  renderer->AddActor(regularPolygonActor);
 
 
 
  // Render
 
  renderWindow->Render();
 
  balloonWidget->EnabledOn();
 
 
  // Begin mouse interaction
 
  renderWindowInteractor->Start();
 
 
  return EXIT_SUCCESS;
 
}
 
</source>
 
 
 
{{VTKCMakeLists|{{SUBPAGENAME}}}}
 
 
 
 
 
Color.
 
[[Category:VTKMakeMoreInteresting]]
 

Latest revision as of 16:46, 16 August 2019