void m_iren_RightButtonPressEvt(vtkObject sender, vtkObjectEventArgs e)
{ //左键按下记录矩形的起始点
if (m_pickTarget == ePickTarget.None)
{
return;
}
if (m_pickMode != ePickMode.RectPickMode) //如果不是框选则不用记录矩形起始点坐标
{
return;
}
m_iren.GetEventPosition(ref startx, ref starty); //获取起始点
endx = startx; endy = starty;
//Console.WriteLine("startx:{0},starty:{1}", startx, starty);
}
/// <summary>
/// Highlights pieces
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void MotionCallback(vtkObject sender, vtkObjectEventArgs e)
{
//Make sure the piece isn't in an animation
//durring a click or bad things happen
if (!in_piece_rotation)
{
vtkRenderWindowInteractor iren = renderWindowControl1.RenderWindow.GetInteractor();
vtkInteractorStyleSwitch istyle = (vtkInteractorStyleSwitch)iren.GetInteractorStyle();
//return if the user is performing interaction
if (istyle.GetState() != 0)
{
return;
}
int[] pos = iren.GetEventPosition();
int x = pos[0];
int y = pos[1];
vtkRenderer ren1 = renderWindowControl1.RenderWindow.GetRenderers().GetFirstRenderer();
ren1.SetDisplayPoint(x, y, ren1.GetZ(x, y));
ren1.DisplayToWorld();
double [] pt = ren1.GetWorldPoint();
double val = puzzle.SetPoint(pt[0], pt[1], pt[2]);
if (!LastValExists || val != LastVal)
{
renderWindowControl1.RenderWindow.Render();
LastVal = val;
LastValExists = true;
}
}
}
/// <summary>
/// Called when a key is pressed
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void CharCallback(vtkObject sender, vtkObjectEventArgs e)
{
vtkRenderWindowInteractor iren = renderWindowControl1.RenderWindow.GetInteractor();
sbyte keycode = iren.GetKeyCode();
//if the keycode is not M
if (keycode != 109 && keycode != 77)
{
return;
}
int[] pos = iren.GetEventPosition();
ButtonCallback(pos[0], pos[1]);
}
private void SelectAreaClick(vtkObject sender, vtkObjectEventArgs e)
{
int[] clickPos = Inter.GetEventPosition();
vtkAreaPicker picker = vtkAreaPicker.New();
picker.AreaPick(clickPos[0], clickPos[1], clickPos[0] + 100, clickPos[1] + 100, Viewport);
if (picker.GetActor() != null)
{
vtkPlanes Boundary = picker.GetFrustum();
vtkExtractGeometry Box = vtkExtractGeometry.New();
Box.SetImplicitFunction(Boundary);
Box.SetInput(picker.GetActor().GetMapper().GetInput());
vtkVertexGlyphFilter glyphFilter = vtkVertexGlyphFilter.New();
glyphFilter.SetInputConnection(Box.GetOutputPort());
glyphFilter.Update();
vtkPolyData selected = glyphFilter.GetOutput();
vtkPoints points = vtkPoints.New();
vtkUnstructuredGrid grid = vtkUnstructuredGrid.New();
for (int i = 0; i < selected.GetNumberOfPoints(); i++)
{
points.InsertNextPoint(selected.GetPoint(i)[0], selected.GetPoint(i)[1], selected.GetPoint(i)[2]);
}
grid.SetPoints(points);
vtkSphereSource sphere = vtkSphereSource.New();
sphere.SetPhiResolution(6);
sphere.SetThetaResolution(6);
sphere.SetRadius(0.1);
vtkGlyph3D glyph3D = vtkGlyph3D.New();
glyph3D.SetInput(grid);
glyph3D.SetSourceConnection(sphere.GetOutputPort());
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInputConnection(glyph3D.GetOutputPort());
//double[] P = new double[3];
//bool selected = false;
//vtkPoints points = Faces.GetPoints();
//double[] ClickedPoint = PointPicker.GetActor().GetMapper().GetInput().GetPoint(PointPicker.GetPointId());
//for (int i = 0; i < points.GetNumberOfPoints(); i++)
//{
// if (Math.Abs(points.GetPoint(i)[0] - ClickedPoint[0]) < 1e-6 &&
// Math.Abs(points.GetPoint(i)[1] - ClickedPoint[1]) < 1e-6 &&
// Math.Abs(points.GetPoint(i)[2] - ClickedPoint[2]) < 1e-6)
// {
// selected = true;
// P = points.GetPoint(i);
// break;
// }
//}
//
//if (selected == true)
//{
// SelectionPoints.InsertNextPoint(P[0], P[1], P[2]);
//
// SelectionGlyph = vtkGlyph3D.New();
// SelectionGlyph.SetInput(SelectionPolyData);
// SelectionGlyph.SetSourceConnection(SelectionSphere.GetOutputPort());
// SelectionMapper.SetInputConnection(SelectionGlyph.GetOutputPort());
//
// // Refresh Viewport
// Refresh();
//}
}
}
