public void ApplyTransformBefore(vtkMatrix4x4 matrix)
{
vtkMatrix4x4 t = vtkMatrix4x4.New();
vtkMatrix4x4.Multiply4x4(matrix, actor.GetMatrix(), t);
vtkTransform transform = vtkTransform.New();
transform.SetMatrix(t);
this.actor.SetUserTransform(transform);
}
public void ApplyTransform(vtkMatrix4x4 matrix)
{
vtkMatrix4x4 t = new vtkMatrix4x4();
vtkMatrix4x4.Multiply4x4(centerLineActor.GetMatrix(), matrix, t);
vtkTransform transform = new vtkTransform();
transform.SetMatrix(t);
this.centerLineActor.SetUserTransform(transform);
}
// For reading C# matrices stored in scenario into VTK transforms
public void TransferMatrixToVTKTransform(double[][] matrix, vtkTransform transform)
{
vtkMatrix4x4 vtk_matrix = vtkMatrix4x4.New();
for (int ii = 0; ii < 4; ++ii)
{
for (int jj = 0; jj < 4; ++jj)
{
vtk_matrix.SetElement(ii, jj, matrix[ii][jj]);
}
}
transform.SetMatrix(vtk_matrix);
}
public void SetTransform(vtkMatrix4x4 matrix)
{
if (actor == null)
{
return;
}
vtkTransform transform = vtkTransform.New();
transform.SetMatrix(matrix);
this.actor.SetUserTransform(transform);
}
static void AlignFrames(Frame sourceFrame, Frame targetFrame, ref vtkTransform transform)
{
// This function takes two frames and finds the matrix M between them.
vtkLandmarkTransform landmarkTransform = vtkLandmarkTransform.New();
// Setup source points
vtkPoints sourcePoints = vtkPoints.New();
sourcePoints.InsertNextPoint(
sourceFrame.Origin[0],
sourceFrame.Origin[1],
sourceFrame.Origin[2]);
float[] sourceX = new float[3];
float[] sourceY = new float[3];
float[] sourceZ = new float[3];
Add(sourceFrame.Origin, sourceFrame.XDirection, ref sourceX);
Add(sourceFrame.Origin, sourceFrame.YDirection, ref sourceY);
Add(sourceFrame.Origin, sourceFrame.ZDirection, ref sourceZ);
sourcePoints.InsertNextPoint(sourceX[0], sourceX[1], sourceX[2]);
sourcePoints.InsertNextPoint(sourceY[0], sourceY[1], sourceY[2]);
sourcePoints.InsertNextPoint(sourceZ[0], sourceZ[1], sourceZ[2]);
// Setup target points
vtkPoints targetPoints = vtkPoints.New();
targetPoints.InsertNextPoint(targetFrame.Origin[0], targetFrame.Origin[1], targetFrame.Origin[2]);
float[] targetX = new float[3];
float[] targetY = new float[3];
float[] targetZ = new float[3];
Add(targetFrame.Origin, targetFrame.XDirection, ref targetX);
Add(targetFrame.Origin, targetFrame.YDirection, ref targetY);
Add(targetFrame.Origin, targetFrame.ZDirection, ref targetZ);
targetPoints.InsertNextPoint(targetX[0], targetX[1], targetX[2]);
targetPoints.InsertNextPoint(targetY[0], targetY[1], targetY[2]);
targetPoints.InsertNextPoint(targetZ[0], targetZ[1], targetZ[2]);
landmarkTransform.SetSourceLandmarks(sourcePoints);
landmarkTransform.SetTargetLandmarks(targetPoints);
landmarkTransform.SetModeToRigidBody();
landmarkTransform.Update();
vtkMatrix4x4 M = landmarkTransform.GetMatrix();
transform.SetMatrix(M);
}
static void AlignFrames(Frame sourceFrame, Frame targetFrame, ref vtkTransform transform)
{
// This function takes two frames and finds the matrix M between them.
vtkLandmarkTransform landmarkTransform = vtkLandmarkTransform.New();
// Setup source points
vtkPoints sourcePoints = vtkPoints.New();
sourcePoints.InsertNextPoint(
sourceFrame.Origin[0],
sourceFrame.Origin[1],
sourceFrame.Origin[2]);
float[] sourceX = new float[3];
float[] sourceY = new float[3];
float[] sourceZ = new float[3];
Add(sourceFrame.Origin, sourceFrame.XDirection, ref sourceX);
Add(sourceFrame.Origin, sourceFrame.YDirection, ref sourceY);
Add(sourceFrame.Origin, sourceFrame.ZDirection, ref sourceZ);
sourcePoints.InsertNextPoint(sourceX[0], sourceX[1], sourceX[2]);
sourcePoints.InsertNextPoint(sourceY[0], sourceY[1], sourceY[2]);
sourcePoints.InsertNextPoint(sourceZ[0], sourceZ[1], sourceZ[2]);
// Setup target points
vtkPoints targetPoints = vtkPoints.New();
targetPoints.InsertNextPoint(targetFrame.Origin[0], targetFrame.Origin[1], targetFrame.Origin[2]);
float[] targetX = new float[3];
float[] targetY = new float[3];
float[] targetZ = new float[3];
Add(targetFrame.Origin, targetFrame.XDirection, ref targetX);
Add(targetFrame.Origin, targetFrame.YDirection, ref targetY);
Add(targetFrame.Origin, targetFrame.ZDirection, ref targetZ);
targetPoints.InsertNextPoint(targetX[0], targetX[1], targetX[2]);
targetPoints.InsertNextPoint(targetY[0], targetY[1], targetY[2]);
targetPoints.InsertNextPoint(targetZ[0], targetZ[1], targetZ[2]);
landmarkTransform.SetSourceLandmarks(sourcePoints);
landmarkTransform.SetTargetLandmarks(targetPoints);
landmarkTransform.SetModeToRigidBody();
landmarkTransform.Update();
vtkMatrix4x4 M = landmarkTransform.GetMatrix();
transform.SetMatrix(M);
}
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]);
}
// For reading C# matrices stored in scenario into VTK transforms
public void TransferMatrixToVTKTransform(double[][] matrix, vtkTransform transform)
{
vtkMatrix4x4 vtk_matrix = vtkMatrix4x4.New();
for (int ii = 0; ii < 4; ++ii)
{
for (int jj = 0; jj < 4; ++jj)
{
vtk_matrix.SetElement(ii, jj, matrix[ii][jj]);
}
}
transform.SetMatrix(vtk_matrix);
}