# AddCell

VTKExamples/Java/Meshes/AddCell

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See (Cxx)

### Code

AddCell.java

    import vtk.vtkNativeLibrary;
    import vtk.vtkPoints;
    import vtk.vtkTriangle;
    import vtk.vtkCellArray;
    import vtk.vtkPolyData;

    public class AddCell
    {
      // -----------------------------------------------------------------
      // Load VTK library and print which library was not properly loaded
      static
      {
        if (!vtkNativeLibrary.LoadAllNativeLibraries())
        {
          for (vtkNativeLibrary lib : vtkNativeLibrary.values())
          {
            if (!lib.IsLoaded())
            {
              System.out.println(lib.GetLibraryName() + " not loaded");
            }
          }
        }
        vtkNativeLibrary.DisableOutputWindow(null);
      }
      // -----------------------------------------------------------------

      public static void main(String args[])
      {
        //  Create a triangle
        vtkPoints points = new vtkPoints();
        points.InsertNextPoint ( 1.0, 0.0, 0.0 );
        points.InsertNextPoint ( 0.0, 0.0, 0.0 );
        points.InsertNextPoint ( 0.0, 1.0, 0.0 );

        vtkTriangle triangle = new vtkTriangle();
        triangle.GetPointIds().SetId ( 0, 0 );
        triangle.GetPointIds().SetId ( 1, 1 );
        triangle.GetPointIds().SetId ( 2, 2 );

        vtkCellArray triangles = new vtkCellArray();
        triangles.InsertNextCell ( triangle );

        // Create a polydata object
        vtkPolyData polyData = new vtkPolyData();

        // Add the geometry and topology to the polydata
        polyData.SetPoints ( points );
        polyData.SetPolys ( triangles );

        System.out.println("There are " + " " + polyData.GetNumberOfCells() + " " + "cells.");
        polyData.GetPolys().InsertNextCell(triangle);
        System.out.println("There are " + " " + polyData.GetNumberOfCells() + " " + "cells.");

      }
    }