# FindAllArrayNames

VTKExamples/CSharp/IO/FindAllArrayNames

### Description

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.dll

Other Languages

See (Cxx)

### Code

FindAllArrayNames.cs

    using System;

    using Kitware.VTK;

    namespace ActiViz.Examples {
       class Program {
          static void Main(string[] args) {
             FindAllArrayNames(null);
             Console.WriteLine("\nPress any key to continue...");
             Console.ReadKey();
          }

         private static void FindAllArrayNames(string filePath) {
             vtkPolyData polydata = vtkPolyData.New();

             if(filePath == null) {
                vtkSphereSource sphereSource = vtkSphereSource.New();
                sphereSource.Update();
                vtkXMLPolyDataWriter writer = vtkXMLPolyDataWriter.New();
                writer.SetFileName(@"c:\vtk\vtkdata-5.8.0\Data\testFindAllArrayNames.vtp");
                writer.SetInputConnection(sphereSource.GetOutputPort());
                writer.Write();
                polydata = sphereSource.GetOutput();
             }
             else {
                vtkXMLPolyDataReader reader = vtkXMLPolyDataReader.New();
                reader.SetFileName(filePath);
                reader.Update();
                polydata = reader.GetOutput();
             }
             FindAllData(ref polydata);
          }

          private static void FindAllData(ref vtkPolyData polydata) {
             Console.WriteLine("Normals: " + polydata.GetPointData().GetNormals());

             int numberOfPointArrays = polydata.GetPointData().GetNumberOfArrays();
             Console.WriteLine("Number of PointData arrays: " + numberOfPointArrays);

             int numberOfCellArrays = polydata.GetCellData().GetNumberOfArrays();
             Console.WriteLine("Number of CellData arrays: " + numberOfCellArrays);

             Console.WriteLine(
                Environment.NewLine +
                "Type table/key: " +
                Environment.NewLine +
                "-------------------------");
             //more values can be found in <VTK_DIR>/Common/vtkSetGet.h

             Console.WriteLine(3 + " unsigned char");
             Console.WriteLine(7 + " unsigned int");
             Console.WriteLine(10 + " float");
             Console.WriteLine(11 + " double" + Environment.NewLine);

             for(int i = 0; i < numberOfPointArrays; i++) {
                // The following two lines are equivalent
                //arrayNames.push_back(polydata.GetPointData().GetArray(i).GetName());
                //arrayNames.push_back(polydata.GetPointData().GetArrayName(i));
                int dataTypeID = polydata.GetPointData().GetArray(i).GetDataType();
                string dataTypeAsString = polydata.GetPointData().GetArray(i).GetDataTypeAsString();
                Console.WriteLine("Array " + i + ": "
                   + polydata.GetPointData().GetArrayName(i)
                   + " (type: " + dataTypeID + ")"
                   + " (type as string: " + dataTypeAsString + ")" + Environment.NewLine);
             }

             for(int i = 0; i < numberOfCellArrays; i++) {
                // The following two lines are equivalent
                //polydata.GetPointData().GetArray(i).GetName();
                //polydata.GetPointData().GetArrayName(i);
                int dataTypeID = polydata.GetCellData().GetArray(i).GetDataType();
                string dataTypeAsString = polydata.GetPointData().GetArray(i).GetDataTypeAsString();
                Console.WriteLine("Array " + i + ": "
                   + polydata.GetCellData().GetArrayName(i)
                   + " (type: " + dataTypeID + ")"
                   + " (type as string: " + dataTypeAsString + ")");
             }
          }
        }
    }