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));
}
}
/*********************************************
* VTK functions:
* DrawModel -- Basic function to draw model
* DrawEdgesModel -- Add grids to the model
* LabelGetter -- Add label to the model
*********************************************/
public int VTKDrawModel(ref vtkPoints points,
ref vtkCellArray strips,
ref vtkFloatArray scalars,
ref int pointsNum,
FormParas paras)
{
// The following routine is built for general purpose
for (int i = 0; i < NodeList.Count(); i++)
{
points.InsertPoint(i,
NodeList[i].Node_Coord[0],
0,
-NodeList[i].Node_Coord[1]);
}
pointsNum = NodeList.Count();
if (paras.StageID != -1)
{
scalars.SetNumberOfValues(ElemList.Count());
}
int cnt = 0;
double MAX_R = 0;
double MAX_R_VALUE = 0;
int MAX_ELEM_NUM = 0;
foreach (ListElemBase elem in ElemList)
{
strips.InsertNextCell(8);
if (paras.StageID == -1)
{
scalars.InsertNextValue(elem.Elem_Modeltype[0]);
}
else
{
if (IfElemToPropertyKeyExists(elem.Elem_Number))
{
scalars.SetValue(cnt, (float)GetElemToProperty(elem.Elem_Number));
}
else
{
scalars.SetValue(cnt, 0);
}
//MessageBox.Show(((float)GetElemToProperty(elem.Elem_Number)).ToString());
}
for (int i = 0; i < 8; i++)
{
int NodeId = elem.Elem_Nodes[i];
int NodePosInPointsArray = GetNodePositionInNodeListFromNodeId(NodeId);
strips.InsertCellPoint(NodePosInPointsArray);
if (paras.StageID != -1)
{
if (NodeList[NodePosInPointsArray].Node_Coord[0] > MAX_R)
{
MAX_R = NodeList[NodePosInPointsArray].Node_Coord[0];
if (IfElemToPropertyKeyExists(elem.Elem_Number))
{
MAX_R_VALUE = GetElemToProperty(elem.Elem_Number);
}
else
{
MAX_R_VALUE = 0;
}
MAX_ELEM_NUM = elem.Elem_Number;
}
}
}
cnt++;
}
//MessageBox.Show(MAX_R.ToString() + ' ' + MAX_R_VALUE.ToString() + ' ' + MAX_ELEM_NUM.ToString());
return(1);
}
