WEMSetOp.h

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/*************************************************************************************
**
** Copyright 2007, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 
#pragma once
 
#include "WEMTools/WEMToolsIncludes.h"
#include "WEMTools/WEMCutOp/WEMCutOp.h"
 
ML_START_NAMESPACE
 
 
const unsigned int WEMSETOP_OUTPUT_FIRST   = 0; 
const unsigned int WEMSETOP_OUTPUT_SECOND  = 1; 
const unsigned int WEMSETOP_OUTPUT_BOTH    = 2; 
 
 
const unsigned int WEMSETOP_BOOLEAN_UNION        = 0; 
const unsigned int WEMSETOP_BOOLEAN_INTERSECTION = 1; 
const unsigned int WEMSETOP_BOOLEAN_DIFFERENCE   = 2; 
 
 
const unsigned int WEMSETOP_OUTER_FLAG = 1;
const unsigned int WEMSETOP_INTERSECTING_FLAG = 5;
 
 
namespace WEMSetOp
{
  enum Axis
  {
    xAxis = 0,
    yAxis,
    zAxis
  };
 
  MLWEM_EXPORT void unify(WEMTrianglePatch* inPatch1,
                    WEMTrianglePatch* inPatch2,
                    WEMTrianglePatch* outPatch,
                    unsigned int outputMode,
                    TriangulationModes triangulationMode,
                    WEMVector<WEMCut>* cuts=nullptr);
 
  MLWEM_EXPORT void intersect(WEMTrianglePatch* inPatch1,
                        WEMTrianglePatch* inPatch2,
                        WEMTrianglePatch* outPatch,
                        unsigned int outputMode,
                        TriangulationModes triangulationMode,
                        WEMVector<WEMCut>* cuts=nullptr);
 
  MLWEM_EXPORT void difference(WEMTrianglePatch* inPatch1,
                         WEMTrianglePatch* inPatch2,
                         WEMTrianglePatch* outPatch,
                         unsigned int outputMode,
                         TriangulationModes triangulationMode,
                         WEMVector<WEMCut>* cuts=nullptr);
 
  // Not exporting the methods below to simulate their former private state
 
  void _boolOp(WEMTrianglePatch* inPatch1,
               WEMTrianglePatch* inPatch2,
               WEMTrianglePatch* outPatch,
               unsigned int boolOpMode,
               unsigned int outputMode,
               TriangulationModes triangulationMode,
                WEMVector<WEMCut>* cuts);
 
  bool _intersectBoundingBoxes(WEMTrianglePatch* triPatch1, WEMTrianglePatch* triPatch2);
 
  void _updateClassification(WEMTrianglePatch* triPatch,
                                    WEMVector<WEMFaceCut> **faceCutTable,
                                    WEMTrianglePatch* rayPatch,
                                    WEMVector<WEMFace> *outerFaces=nullptr,
                                    WEMVector<WEMFace> *innerFaces=nullptr);
 
  Axis _getMinimalOverlapAxisOfBoundingBoxes(const Vector3& min1, const Vector3& min2, const Vector3& max1, const Vector3& max2);
 
  void _resetOuterAndIntersectingFlags(WEMTrianglePatch* inPatch1, WEMTrianglePatch* inPatch2);
 
  void _performTrivialBoolOp(WEMTrianglePatch* inPatch1,
                             WEMTrianglePatch* inPatch2,
                             WEMTrianglePatch* outPatch,
                             unsigned int boolOpMode,
                             unsigned int outputMode);
 
  bool _areWEMBoundingBoxesIntersecting(WEMPatch* wemPatch1, WEMPatch* wemPatch2);
 
  void  _removeNonValidCuts(WEMVector<WEMFace>* intersectedFaces, WEMVector<WEMFaceCut>** faceCuts);
  void _classifyIntersectionAndOutsideFaces(WEMTrianglePatch* inPatch1, WEMVector<WEMFace>* intersectedFaces);
  void _addFacesToOutputPatch(WEMVector<WEMFace>* faces, WEMNode** nodeTable, WEMTrianglePatch* outPatch);
  WEMVector<WEMFaceCut>** _setupFaceCuts(WEMTrianglePatch* inPatch, WEMVector<WEMFace>* intersectedFaces, WEMVector<WEMPartialFaceCut> ** partialFaceCuts);
};
 
 
ML_END_NAMESPACE