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102 lines
2.6 KiB
102 lines
2.6 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkAbstractPicker.cxx,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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#include "vtkAbstractPicker.h"
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#include "vtkObjectFactory.h"
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#include "vtkRenderer.h"
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vtkCxxRevisionMacro(vtkAbstractPicker, "$Revision: 1.11 $");
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// Construct object with initial tolerance of 1/40th of window. There are no
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// pick methods and picking is performed from the renderer's actors.
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vtkAbstractPicker::vtkAbstractPicker()
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{
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this->Renderer = NULL;
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this->SelectionPoint[0] = 0.0;
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this->SelectionPoint[1] = 0.0;
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this->SelectionPoint[2] = 0.0;
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this->PickPosition[0] = 0.0;
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this->PickPosition[1] = 0.0;
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this->PickPosition[2] = 0.0;
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this->PickFromList = 0;
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this->PickList = vtkPropCollection::New();
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}
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vtkAbstractPicker::~vtkAbstractPicker()
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{
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this->PickList->Delete();
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}
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// Initialize the picking process.
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void vtkAbstractPicker::Initialize()
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{
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this->Renderer = NULL;
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this->SelectionPoint[0] = 0.0;
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this->SelectionPoint[1] = 0.0;
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this->SelectionPoint[2] = 0.0;
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this->PickPosition[0] = 0.0;
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this->PickPosition[1] = 0.0;
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this->PickPosition[2] = 0.0;
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}
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// Initialize list of actors in pick list.
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void vtkAbstractPicker::InitializePickList()
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{
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this->Modified();
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this->PickList->RemoveAllItems();
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}
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// Add an actor to the pick list.
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void vtkAbstractPicker::AddPickList(vtkProp *a)
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{
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this->Modified();
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this->PickList->AddItem(a);
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}
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// Delete an actor from the pick list.
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void vtkAbstractPicker::DeletePickList(vtkProp *a)
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{
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this->Modified();
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this->PickList->RemoveItem(a);
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}
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void vtkAbstractPicker::PrintSelf(ostream& os, vtkIndent indent)
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{
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this->Superclass::PrintSelf(os,indent);
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if ( this->PickFromList )
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{
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os << indent << "Picking from list\n";
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}
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else
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{
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os << indent << "Picking from renderer's prop list\n";
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}
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os << indent << "Renderer: " << this->Renderer << "\n";
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os << indent << "Selection Point: (" << this->SelectionPoint[0] << ","
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<< this->SelectionPoint[1] << ","
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<< this->SelectionPoint[2] << ")\n";
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os << indent << "Pick Position: (" << this->PickPosition[0] << ","
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<< this->PickPosition[1] << ","
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<< this->PickPosition[2] << ")\n";
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}
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