vtk_sphere.cpp

//
// Created by Samuel Jackson on 09/03/2016.
//

#include <vtkRenderer.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderWindow.h>
#include <vtkSmartPointer.h>
#include <vtkPoints.h>
#include <vtkVertex.h>
#include <vtkPolyData.h>
#include <vtkPolyDataMapper.h>
#include <vtkCubeAxesActor2D.h>
#include <vtkInteractorStyleTrackballCamera.h>
#include <vtkInteractorStyleTrackball.h>
#include <vtkAxisActor2D.h>
#include <vtkSphereSource.h>
#include <vtkGlyph3D.h>

int main(int argc, char** argv) {

    // create collection of points
    const unsigned int size = 10;
    vtkSmartPointer<vtkPoints> points = vtkSmartPointer<vtkPoints>::New();
    for (int nx = 0; nx < size; ++nx) {
        for (int ny = 0; ny < size; ++ny) {
            for(int nz = 0; nz < size; ++nz) {
                points->InsertNextPoint(nx+0.5, ny+0.5, nz+0.5);
            }
        }
    }

    // create PolyData from list of points
    vtkSmartPointer<vtkPolyData> polyData = vtkSmartPointer<vtkPolyData>::New();
    polyData->SetPoints(points);

    // create sphere sources for each points
    vtkSmartPointer<vtkSphereSource> sphereSource = vtkSmartPointer<vtkSphereSource>::New();
    vtkSmartPointer<vtkGlyph3D> glyph3D = vtkSmartPointer<vtkGlyph3D>::New();

    glyph3D->SetSourceConnection(sphereSource->GetOutputPort());
    glyph3D->SetInputData(polyData);
    glyph3D->Update();

    // Visualize
    vtkSmartPointer<vtkPolyDataMapper> mapper = vtkSmartPointer<vtkPolyDataMapper>::New();
    mapper->SetInputConnection(glyph3D->GetOutputPort());

    vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New();
    actor->SetMapper(mapper);

    vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New();
    vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New();
    renderWindow->AddRenderer(renderer);
    vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = vtkSmartPointer<vtkRenderWindowInteractor>::New();
    renderWindowInteractor->SetRenderWindow(renderWindow);

    renderer->AddActor(actor);
    renderer->SetBackground(.3, .3, .3);
    renderWindow->Render();

    vtkSmartPointer<vtkInteractorStyleTrackballCamera> style = vtkSmartPointer<vtkInteractorStyleTrackballCamera>::New();
    renderWindowInteractor->SetInteractorStyle(style);

    // add & render CubeAxes
    vtkSmartPointer<vtkCubeAxesActor2D> axes = vtkSmartPointer<vtkCubeAxesActor2D>::New();
    axes->SetInputData(polyData);
    axes->SetFontFactor(3.0);
    axes->SetFlyModeToNone();
    axes->SetCamera(renderer->GetActiveCamera());

    vtkSmartPointer<vtkAxisActor2D> xAxis = axes->GetXAxisActor2D();
    xAxis->SetAdjustLabels(1);

    renderer->AddViewProp(axes);
    renderWindowInteractor->Start();
}