Ejemplo n.º 1
0
        /// <summary>
        /// Event fired when the graph selection is changed
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void view_SelectionChangedEvt(vtkObject sender, vtkObjectEventArgs e)
        {
            //Get the selection
            vtkDataRepresentation dr   = view.GetRepresentation(0);
            vtkAnnotationLink     al   = dr.GetAnnotationLink();
            vtkSelection          sel  = al.GetCurrentSelection();
            vtkAbstractArray      arr  = null;
            vtkSelectionNode      node = sel.GetNode(0);

            if (null != node)
            {
                arr = node.GetSelectionList();
            }

            vtkIdTypeArray arr1 = (vtkIdTypeArray)arr;

            // Short circuit if nothing is selected...
            int numSelected = (int)arr1.GetNumberOfTuples();

            if (0 == numSelected)
            {
                return;
            }

            vtkStringArray arr2 = ((vtkStringArray)g.GetVertexData().GetAbstractArray("label"));

            //get a pseudo random name if more than one are selected
            string name = arr2.GetValue(
                (int)arr1.GetValue(System.DateTime.Now.Millisecond % numSelected));

            //reset the small arrayList
            arrListSmall = new System.Collections.ArrayList();
            int hops;

            try
            {
                hops = System.Convert.ToInt32(toolStripTextBox3.Text);
            }
            catch (Exception)
            {
                hops = 1;
            }

            toolStripTextBox1.Text = name;
            toolStripTextBox1.Invalidate();
            this.Update();

            //Start the loading graphic and add another renderer on top for the spinning logo
            vtkRenderWindow win = this.renderWindowControl1.RenderWindow;

            win.AddRenderer(logoRenderer);
            win.Render();
            this.webBrowser1.Url = new Uri("http://en.wikipedia.org/wiki/" + name.Replace(" ", "_"));
            //Start the work
            addLinks(g, name, hops);
            //Remove the spinning logo after the work is done
            win.RemoveRenderer(logoRenderer);
            win.Render();
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Open the explorer window of the selected file
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void view_SelectionChangedEvt(vtkObject sender, vtkObjectEventArgs e)
        {
            // Get the selection
            //
            vtkDataRepresentation dr   = view.GetRepresentation(0);
            vtkAnnotationLink     al   = dr.GetAnnotationLink();
            vtkSelection          sel  = al.GetCurrentSelection();
            vtkStringArray        arr1 = null;
            vtkSelectionNode      node = sel.GetNode(0);

            if (null != node)
            {
                arr1 = (vtkStringArray)node.GetSelectionList();
            }

            string path = "";

            if (null != arr1)
            {
                // If it is a directory open it, if not cut off the end
                // and open the directory
                //
                if (Directory.Exists(arr1.GetValue(0)))
                {
                    path = arr1.GetValue(0);
                }
                else
                {
                    path = Regex.Replace(arr1.GetValue(0),
                                         "\\\\[^\\\\]+\\.[^\\\\]*$", "");
                }
            }

            if (path != SelectedPath)
            {
                SelectedPath = path;

                System.Diagnostics.Debug.WriteLine(SelectedPath);

                if ("" != SelectedPath)
                {
                    //Create the process
                    System.Diagnostics.ProcessStartInfo psi =
                        new System.Diagnostics.ProcessStartInfo("cmd.exe",
                                                                "/C explorer " + SelectedPath);
                    psi.CreateNoWindow  = true;
                    psi.UseShellExecute = false;
                    System.Diagnostics.Process p =
                        System.Diagnostics.Process.Start(psi);
                }
            }
        }
Ejemplo n.º 3
0
        void GenerateData(ref vtkPolyData input)
        {
            // Create a sphere
            vtkSphereSource sphereSource = vtkSphereSource.New();

            sphereSource.Update();

            // Remove some cells
            vtkIdTypeArray ids = vtkIdTypeArray.New();

            ids.SetNumberOfComponents(1);

            // Set values
            ids.InsertNextValue(2);
            ids.InsertNextValue(10);

            vtkSelectionNode selectionNode = vtkSelectionNode.New();

            selectionNode.SetFieldType((int)vtkSelectionNode.SelectionField.CELL);
            selectionNode.SetContentType((int)vtkSelectionNode.SelectionContent.INDICES);
            selectionNode.SetSelectionList(ids);
            selectionNode.GetProperties().Set(vtkSelectionNode.INVERSE(), 1); //invert the selection

            vtkSelection selection = vtkSelection.New();

            selection.AddNode(selectionNode);

            vtkExtractSelection extractSelection = vtkExtractSelection.New();

            extractSelection.SetInputConnection(0, sphereSource.GetOutputPort());
#if VTK_MAJOR_VERSION_5
            extractSelection.SetInput(1, selection);
#else
            extractSelection.SetInputData(1, selection);
#endif
            extractSelection.Update();

            // In selection
            vtkDataSetSurfaceFilter surfaceFilter = vtkDataSetSurfaceFilter.New();
            surfaceFilter.SetInputConnection(extractSelection.GetOutputPort());
            surfaceFilter.Update();

            input.ShallowCopy(surfaceFilter.GetOutput());
        }
Ejemplo n.º 4
0
        /// <summary>
        /// 左键释放时获取选择的对象
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void m_interactor_LeftButtonReleaseEvt(vtkObject sender, vtkObjectEventArgs e)
        {
            if (m_pickTarget == ePickTarget.None)
            {
                return;
            }

            //if (m_iren.GetControlKey() != 0)
            //    m_pickBoolean = ePickBollean.Add;
            //else if (m_iren.GetShiftKey() != 0)
            //    m_pickBoolean = ePickBollean.Sub;

            m_iren.GetEventPosition(ref endx, ref endy);
            #region 点选对象
            if (m_pickMode == ePickMode.DotPickMode) //如果是点选模式
            {
                vtkCellPicker cellPicker = new vtkCellPicker();
                cellPicker.SetTolerance(0.005);
                if (0 == cellPicker.Pick(endx, endy, 0, m_renderer))
                {
                    return;  //什么都没有选到就返回
                }
                FEMActor actor = cellPicker.GetActor() as FEMActor;
                if (actor == null)
                {
                    return;
                }
                if (m_pickTarget == ePickTarget.Actor)
                {                          //如果选择对象为
                    actor.IsSelected = true;
                    m_RWCtrl.Invalidate(); //貌似必须要用这个函数,update 不行
                    OnObjectsSelected(sender, e);
                }
                else if (m_pickTarget == ePickTarget.Cell)
                {
                    int cellId = cellPicker.GetCellId();
                    actor.AddCellId(cellId, m_pickBoolean);
                    OnObjectsSelected(sender, e);
                    //if (cellId > 0)
                    //    Console.WriteLine("dotselect cellid:{0}", cellId);
                }
                else if (m_pickTarget == ePickTarget.Point)
                {
                    int pointId = cellPicker.GetPointId();
                    if (pointId != -1)
                    {
                        actor.AddPointId(pointId, m_pickBoolean);
                        OnObjectsSelected(sender, e);
                        //   Console.WriteLine("dotselect pointid:{0}", pointId);
                    }
                }
            }
            #endregion
            else if (m_pickMode == ePickMode.RectPickMode) //如果是框选
            {
                vtkAreaPicker areaPicker = new vtkAreaPicker();
                if (0 == areaPicker.AreaPick(startx, starty, endx, endy, m_renderer))
                { //如果什么也没选到就返回
                    //this.impactViewForm.ClearAllSelectCells();
                    return;
                }
                vtkProp3DCollection selectedActors = areaPicker.GetProp3Ds();
                selectedActors.InitTraversal();
                FEMActor selectedActor;
                while ((selectedActor = selectedActors.GetNextProp3D() as FEMActor) != null)
                {
                    vtkSelection     selection     = new vtkSelection();
                    vtkSelectionNode selectionNode = new vtkSelectionNode();
                    selection.AddNode(selectionNode);

                    vtkIdFilter idFilter = new vtkIdFilter();
                    idFilter.FieldDataOn();
                    idFilter.SetInput(selectedActor.GetMapper().GetInput());
                    idFilter.Update();

                    vtkExtractSelection frustum = new vtkExtractSelection();
                    frustum.SetInput(0, idFilter.GetOutput());
                    frustum.SetInput(1, selection);

                    selectionNode.Initialize();
                    selectionNode.SetContentType((int)vtkSelectionNode.SelectionContent.FRUSTUM);

                    if (m_pickTarget == ePickTarget.Cell)//如果选择的目标是cell
                    {
                        selectionNode.SetFieldType((int)vtkSelectionNode.SelectionField.CELL);
                    }
                    else if (m_pickTarget == ePickTarget.Point) //如果选择的目标是point
                    {
                        selectionNode.SetFieldType((int)vtkSelectionNode.SelectionField.POINT);
                    }

                    vtkPoints      points         = areaPicker.GetClipPoints();
                    vtkDoubleArray frustumcorners = new vtkDoubleArray();
                    frustumcorners.SetNumberOfComponents(4);
                    frustumcorners.SetNumberOfTuples(8);
                    for (int i = 0; i < 8; ++i)
                    {
                        double[] point = points.GetPoint(i);
                        frustumcorners.SetTuple4(i, point[0], point[1], point[2], 0.0);
                    }
                    selectionNode.SetSelectionList(frustumcorners);

                    frustum.Update();
                    vtkUnstructuredGrid grid = new vtkUnstructuredGrid();
                    grid = vtkUnstructuredGrid.SafeDownCast(frustum.GetOutput());
                    vtkIdTypeArray ids = null;
                    if (m_pickTarget == ePickTarget.Cell)
                    {
                        ids = vtkIdTypeArray.SafeDownCast(grid.GetCellData().GetArray("vtkOriginalCellIds"));
                        if (ids == null)
                        {
                            continue;
                        }
                        selectedActor.AddCellId(ids, m_pickBoolean);
                        OnObjectsSelected(sender, e);
                    }
                    else if (m_pickTarget == ePickTarget.Point)
                    {
                        ids = vtkIdTypeArray.SafeDownCast(grid.GetPointData().GetArray("vtkOriginalPointIds"));
                        if (ids == null)
                        {
                            continue;
                        }
                        selectedActor.AddPointId(ids, m_pickBoolean);
                        OnObjectsSelected(sender, e);
                    }
                }
            }
        }