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0024904: Visualization - Integration of VIS component:
Added new toolkit TKIVtk: - TKIVtk toolkit includes IVtkVTK, IVtkTools, IVtkOCC, IVtk packages. - TKIVtk provides OCC interface for VTK library functionality: it allows to use VTK window and event managment for OCC objects (shapes) Porting on VTK 6: - shape source inherits vtkPolyDataAlgorithm now (vtkPolyDataSource was removed form VTK as deprecated functionality). - added factory auto-initialization in IVtkVTK_View - remove using of deprecated methods of pipeline mechanism. Get rid from warning in SelectMgr_SelectableObject. Removed firendship from SelectMgr_SelectableObject. Corrected projector parameters for selection algorithm. Removed unneeded picking algorithm modification.
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aba
bugmaster
151
src/IVtkTools/IVtkTools_ShapePicker.hxx
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151
src/IVtkTools/IVtkTools_ShapePicker.hxx
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// Created: 2011-10-27
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// Created by: Roman KOZLOV
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// Copyright (c) 2011-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef __IVTKTOOLS_SHAPEPICKER_H__
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#define __IVTKTOOLS_SHAPEPICKER_H__
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#include <IVtkTools.hxx>
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#include <IVtk_Types.hxx>
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#include <IVtkOCC_ShapePickerAlgo.hxx>
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#include <vtkAbstractPropPicker.h>
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class vtkRenderer;
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class vtkActorCollection;
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//! @class IVtkTools_ShapePicker
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//! @brief VTK picker for OCC shapes with OCC selection algorithm.
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class IVtkTools_EXPORT IVtkTools_ShapePicker : public vtkAbstractPropPicker
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{
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public:
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vtkTypeMacro(IVtkTools_ShapePicker, vtkAbstractPropPicker);
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static IVtkTools_ShapePicker* New();
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//! Pick entities in the given point or area.
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//! @return Number of detected entities.
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int pick (double* thePos, vtkRenderer *theRenderer, const int theNbPoints = -1);
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//! Pick entities in the given point.
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//! @return Number of detected entities.
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int Pick (double theX, double theY, double theZ, vtkRenderer *theRenderer = NULL);
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//! Pick entities in the given rectangle area.
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//! @return Number of detected entities.
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int Pick(double theX0, double theY0, double theX1, double theY1, vtkRenderer *theRenderer = NULL);
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//! Pick entities in the given polygonal area.
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//! @return Number of detected entities.
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int Pick(double poly[][3], const int theNbPoints, vtkRenderer *theRenderer = NULL);
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//! Setter for tolerance of picking.
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void SetTolerance (float theTolerance);
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//! Getter for tolerance of picking.
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float GetTolerance () const;
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//! Sets the renderer to be used by OCCT selection algorithm
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void SetRenderer (vtkRenderer* theRenderer);
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//! Sets area selection on/off
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//! @param [in] theIsOn true if area selection is turned on, false otherwise.
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void SetAreaSelection (bool theIsOn);
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//! Get activated selection modes for a shape.
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//! @param [in] theShape a shape with activated selection mode(s)
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//! @return list of active selection modes
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IVtk_SelectionModeList GetSelectionModes (const IVtk_IShape::Handle& theShape) const;
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//! Get activated selection modes for a shape actor.
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//! @param [in] theShapeActor an actor with activated selection mode(s)
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//! @return list of active selection modes
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IVtk_SelectionModeList GetSelectionModes (vtkActor* theShapeActor) const;
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//! Turn on/off a selection mode for a shape actor.
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//! @param [in] theShape a shape to set a selection mode for
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//! @param [in] theMode selection mode to be activated
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//! @param [in] theIsTurnOn Flag to turn on/off the selection mode
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void SetSelectionMode (const IVtk_IShape::Handle& theShape,
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const IVtk_SelectionMode theMode,
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const bool theIsTurnOn = true) const;
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//! Turn on/off a selection mode for a shape actor.
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//! @param [in] shapeActor shape presentation actor to set a selection mode for
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//! @param [in] mode selection mode to be activated
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//! @param [in] turnOn Flag to turn on/off the selection mode
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void SetSelectionMode (vtkActor* theShapeActor,
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const IVtk_SelectionMode theMode,
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const bool theIsTurnOn = true) const;
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//! Sets the current selection mode for all visible shape objects.
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//! @param [in] theMode selection mode to be activated
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//! @param [in] theIsTurnOn Flag to turn on/off the selection mode
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void SetSelectionMode (const IVtk_SelectionMode theMode,
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const bool theIsTurnOn = true) const;
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// Picking results
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//! Access to the list of top-level shapes picked.
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//! If all argument is true, the picker returns the list of
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//! all OccShape objects found by the picking algorithm. e.g. all
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//! shapes under the mouse cursor. Otherwise, ID of the shape closest to the eye
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//! is returned.
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//! @param [in] all Controls if all selected shapes or just the only
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//! top one is returned, has no effect during area selection.
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//! @return List of top-level shape IDs
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IVtk_ShapeIdList GetPickedShapesIds (bool theIsAll = false) const;
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//! Access to the list of sub-shapes ids picked.
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//! @param [in] id top-level shape ID
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//! @param [in] all Controls if all selected sub-shapes or just the
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//! only top one is returned, has no effect during area selection.
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//! @return List of sub-shapes IDs
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IVtk_ShapeIdList GetPickedSubShapesIds (const IVtk_IdType theId, bool theIsAll = false) const;
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//! Access to the list of actors picked.
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//! @param [in] all Controls if all selected actors or just the only
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//! top one is returned, has no effect during area selection.
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//! @return List of actors IDs
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vtkActorCollection* GetPickedActors (bool theIsAll = false) const;
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protected:
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//! Constructs the picker with empty renderer and ready for point selection.
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IVtkTools_ShapePicker();
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//! Destructor
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~IVtkTools_ShapePicker();
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//! Convert display coordinates to world coordinates
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static bool convertDisplayToWorld (vtkRenderer *theRenderer,
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vtkFloatingPointType theDisplayCoord[3],
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vtkFloatingPointType theWorldCoord[3] );
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private: // not copyable
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IVtkTools_ShapePicker (const IVtkTools_ShapePicker&);
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IVtkTools_ShapePicker& operator= (const IVtkTools_ShapePicker&);
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//! Implementation of picking algorithm.
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//! The coordinates accepted by this method are display (pixel) coordinates.
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//! @param [in] pos contains the pick point (3 coordinates) or pick rectangle (6 coordinates)
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//! or polyline (array of 2d coordinates)
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//! @param [in] renderer vtkRenderer object to be used (normally set in advance with setRenderer())
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//! @param [in] nbPoints number of points for polyline case
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//! @see IVtkTools_ShapePicker::setRenderer
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virtual void doPickImpl (double*, vtkRenderer* theRenderer, const int theNbPoints = -1);
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private:
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IVtkOCC_ShapePickerAlgo::Handle myOccPickerAlgo; //!< Picking algorithm implementation
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vtkRenderer* myRenderer; //!< VTK renderer
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bool myIsRectSelection;//!< Rectangle selection mode flag
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bool myIsPolySelection;//!< Polyline selection mode flag
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float myTolerance; //!< Selectoin tolerance
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};
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#endif // __IVTKTOOLS_SHAPEPICKER_H__
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