private void Move2D(vtkObject sender, vtkObjectEventArgs e)
{
if (mouseDownLeft == true)
{
//Get position
int[] pos = renWin.GetInteractor().GetEventPosition();
vtkCoordinate coord = vtkCoordinate.New();
coord.SetCoordinateSystemToDisplay();
coord.SetValue(pos[0], pos[1]);
double[] tmp = coord.GetComputedWorldValue(renWin.GetRenderers().GetFirstRenderer());
cam_pos[0] -= (tmp[0] - prev_pos[0]);
cam_pos[1] -= (tmp[1] - prev_pos[1]);
cam_foc[0] -= (tmp[0] - prev_pos[0]);
cam_foc[1] -= (tmp[1] - prev_pos[1]);
renWin.GetRenderers().GetFirstRenderer().GetActiveCamera().SetPosition(cam_pos[0], cam_pos[1], cam_pos[2]);
renWin.GetRenderers().GetFirstRenderer().GetActiveCamera().SetFocalPoint(cam_foc[0], cam_foc[1], cam_foc[2]);
renWin.Render();
}
if (mouseDownRight == true)
{
int[] pos = renWin.GetInteractor().GetEventPosition();
vtkCoordinate coord = vtkCoordinate.New();
coord.SetCoordinateSystemToDisplay();
coord.SetValue(pos[0], pos[1], 0);
double[] tmp = coord.GetComputedWorldValue(renWin.GetRenderers().GetFirstRenderer());
position[2] = tmp[0];
position[3] = tmp[1];
line.update(position);
renWin.Render();
}
}
private void drag_RightDown(vtkObject sender, vtkObjectEventArgs e)
{
if (mouseDownRight == false)
{
//Get position
int[] pos = renWin.GetInteractor().GetEventPosition();
vtkCoordinate coord = vtkCoordinate.New();
coord.SetCoordinateSystemToDisplay();
coord.SetValue(pos[0], pos[1], 0);
double[] tmp = coord.GetComputedWorldValue(renWin.GetRenderers().GetFirstRenderer());
position[0] = (int)tmp[0];
position[1] = (int)tmp[1];
position[2] = (int)tmp[0];
position[3] = (int)tmp[1];
//Create new line object
if (has_actor == true)
{
line.update(position);
}
else
{
line = new Rendering.vtkLine(renWin, slice);
line.draw(position);
}
renWin.Render();
has_actor = true;
mouseDownRight = true;
}
}
private void LeftDown2D(vtkObject sender, vtkObjectEventArgs e)
{
if (mouseDownLeft == false)
{
//Get position
int[] pos = renWin.GetInteractor().GetEventPosition();
vtkCoordinate coord = vtkCoordinate.New();
coord.SetCoordinateSystemToDisplay();
coord.SetValue(pos[0], pos[1], 0);
double[] tmp = coord.GetComputedWorldValue(renWin.GetRenderers().GetFirstRenderer());
prev_pos[0] = tmp[0]; prev_pos[1] = tmp[1];
mouseDownLeft = true;
}
}
private void drag_MouseMove(vtkObject sender, vtkObjectEventArgs e)
{
if (mouseDownLeft == true)
{
int[] pos = renWin.GetInteractor().GetEventPosition();
vtkCoordinate coord = vtkCoordinate.New();
coord.SetCoordinateSystemToDisplay();
coord.SetValue(pos[0], pos[1], 0);
double[] tmp = coord.GetComputedWorldValue(renWin.GetRenderers().GetFirstRenderer());
position[2] = tmp[0];
position[3] = tmp[1];
line.update(position);
renWin.Render();
}
}
private void drag_RightUp(vtkObject sender, vtkObjectEventArgs e)
{
if (mouseDownRight == true)
{
//Get position
int[] pos = renWin.GetInteractor().GetEventPosition();
vtkCoordinate coord = vtkCoordinate.New();
coord.SetCoordinateSystemToDisplay();
coord.SetValue(pos[0], pos[1], 0);
double[] tmp = coord.GetComputedWorldValue(renWin.GetRenderers().GetFirstRenderer());
position[2] = (int)tmp[0];
position[3] = (int)tmp[1];
line.update(position);
has_actor = true;
renWin.Render();
mouseDownRight = false;
}
}