public static double[] Multiply(vtkLandmarkTransform landMatrix, double[] value)
{
vtkMatrix4x4 matrix = landMatrix.GetMatrix();
int size = Marshal.SizeOf(typeof(double)) * value.Length;
IntPtr pre = Marshal.AllocHGlobal(size);
Marshal.Copy(value, 0, pre, value.Length);
double[] result = matrix.MultiplyDoublePoint(pre);
Marshal.FreeHGlobal(pre);
return(result);
}
public static double[] Mutiple(vtkMatrix4x4 matrix, double[] value)
{
value = new double[] { value[0], value[1], value[2], 1 };
int size = Marshal.SizeOf(typeof(double)) * value.Length;
IntPtr pre = Marshal.AllocHGlobal(size);
Marshal.Copy(value, 0, pre, value.Length);
double[] result = matrix.MultiplyDoublePoint(pre);
Marshal.FreeHGlobal(pre);
return(result);
}
public void SetTransform(vtkMatrix4x4 matrix)
{
vtkTransform transform = vtkTransform.New();
transform.SetMatrix(matrix);
//this.lineActor.SetUserTransform(transform);
//return;
double[] linePoint1 = GetLinePoint1();
double[] linePoint2 = GetLinePoint2();
linePoint1 = xyz1;
linePoint2 = xyz2;
double[] p1 = matrix.MultiplyDoublePoint(VTKUtil.ConvertTo4P(linePoint1));
double[] p2 = matrix.MultiplyDoublePoint(VTKUtil.ConvertTo4P(linePoint2));
line.SetPoint1(p1[0], p1[1], p1[2]);
line.SetPoint2(p2[0], p2[1], p2[2]);
}
