NullPoint
VTKExamples/CSharp/PolyData/NullPoint
Description¶
Set value of all associated arrays to zero all at once
A tutorial on how to setup a Console Application utilizing Kitware.VTK.dll can be found here: Setup a Console Application to use Kitware.VTK.dllCode¶
NullPoint.cs
using System; using Kitware.VTK; namespace ActiViz.Examples { class Program { static void Main(string[] args) { NullPoint(); Console.WriteLine("\nPress any key to continue..."); Console.ReadKey(); } private static void NullPoint() { vtkPoints points = vtkPoints.New(); points.InsertNextPoint(1, 1, 1); points.InsertNextPoint(2, 2, 2); points.InsertNextPoint(3, 3, 3); vtkPolyData polydata = vtkPolyData.New(); polydata.SetPoints(points); vtkFloatArray floatArray = vtkFloatArray.New(); floatArray.SetNumberOfValues(3); floatArray.SetNumberOfComponents(1); floatArray.SetName("FloatArray"); for(int i = 0; i < 3; i++) { floatArray.SetValue(i, 2); } polydata.GetPointData().AddArray(floatArray); vtkIntArray intArray = vtkIntArray.New(); intArray.SetNumberOfValues(3); intArray.SetNumberOfComponents(1); intArray.SetName("IntArray"); for(int i = 0; i < 3; i++) { intArray.SetValue(i, 2); } polydata.GetPointData().AddArray(intArray); Console.WriteLine("PointIdx x y z " + "floatArray" + " " + "intArray"); Console.WriteLine("----------------------------------------"); for(int i = 0; i < 3; i++) { double[] p = polydata.GetPoint(i); vtkFloatArray pointsFloatArray = vtkFloatArray.SafeDownCast(polydata.GetPointData().GetArray("FloatArray")); vtkIntArray pointsIntArray = vtkIntArray.SafeDownCast(polydata.GetPointData().GetArray("IntArray")); Console.WriteLine(" " + i + " " + p[0] + " " + p[1] + " " + p[2] + " " + pointsFloatArray.GetValue(i) + " " + pointsIntArray.GetValue(i)); } polydata.GetPointData().NullPoint(1); polydata.Modified(); Console.WriteLine(""); for(int i = 0; i < 3; i++) { double[] p = polydata.GetPoint(i); vtkFloatArray pointsFloatArray = vtkFloatArray.SafeDownCast(polydata.GetPointData().GetArray("FloatArray")); vtkIntArray pointsIntArray = vtkIntArray.SafeDownCast(polydata.GetPointData().GetArray("IntArray")); Console.WriteLine(" " + i + " " + p[0] + " " + p[1] + " " + p[2] + " " + pointsFloatArray.GetValue(i) + " " + pointsIntArray.GetValue(i)); } } } }