+++ /dev/null
-// Project MULTIPR, IOLS WP1.2.1 - EDF/CS
-// Partitioning/decimation module for the SALOME v3.2 platform
-
-/**
- * \file MULTIPR_DecimationAccel.hxx
- *
- * \brief Interface DecimationAccel: acceleration structure used for decimation.
- *
- * \author Olivier LE ROUX - CS, Virtual Reality Dpt
- *
- * \date 01/2007
- */
-
-#ifndef MULTIPR_DECIMATION_ACCEL_HXX
-#define MULTIPR_DECIMATION_ACCEL_HXX
-
-//*****************************************************************************
-// Includes section
-//*****************************************************************************
-
-extern "C"
-{
- #include "med.h"
-}
-
-#include <iostream>
-#include <vector>
-
-
-namespace multipr
-{
-
-//*****************************************************************************
-// Predeclaration
-//*****************************************************************************
-
-class PointOfField;
-
-
-//*****************************************************************************
-// Interface DecimationAccel
-//*****************************************************************************
-
-class DecimationAccel
-{
-public:
-
- /**
- * Builds an empty DecimationAccel (default constructor).
- */
- DecimationAccel() { /* do nothing */ }
-
- /**
- * Destructor. Removes everything.
- */
- virtual ~DecimationAccel() { /* do nothing */ }
-
- //---------------------------------------------------------------------
- // Algorithms
- //---------------------------------------------------------------------
-
- /**
- * Interface. Configures this acceleration structure. String is used for genericity.
- * \param pArgv all the configuration parameters in a string.
- */
- virtual void configure(const char* pArgv) = 0;
-
- /**
- * Interface. Creates a new acceleration structure and fills it with the given list of points.
- * \param pPts list of points to be inserted in the acceleration structure.
- */
- virtual void create(const std::vector<PointOfField>& pPts) = 0;
-
- /**
- * Interface. Finds all the points in a sphere defined by its center (x,y,z) and its radius.
- * \param pCenterX x-coordinates of the center of the sphere.
- * \param pCenterY y-coordinates of the center of the sphere.
- * \param pCenterZ z-coordinates of the center of the sphere.
- * \param pRadius radius of the sphere.
- * \return all the points in a sphere defined by its center (x,y,z) and its radius.
- */
- virtual std::vector<PointOfField> findNeighbours(
- med_float pCenterX,
- med_float pCenterY,
- med_float pCenterZ,
- med_float pRadius) const = 0;
-
- //---------------------------------------------------------------------
- // I/O
- //---------------------------------------------------------------------
-
- /**
- * Sets the flag which control the stream operator <<.
- * \param pFlag new flag value.
- */
- void setPrintAll(bool pFlag) { mFlagPrintAll = pFlag; }
-
- /**
- * Dumps any GaussLoc to the given output stream.
- * \param pOs any output stream.
- * \param pA any DecimationAccel.
- * \return the output stream pOs.
- */
- friend std::ostream& operator<<(std::ostream& pOs, DecimationAccel& pA);
-
-protected:
-
- bool mFlagPrintAll; /** Flag to control the behaviour of the stream operator <<. */
-
-private:
-
- // do not allow copy constructor
- DecimationAccel(const DecimationAccel&);
-
- // do not allow copy
- DecimationAccel& operator=(const DecimationAccel&);
-
- // do not allow operator ==
- bool operator==(const DecimationAccel&);
-
-}; // class DecimationAccel
-
-
-//*****************************************************************************
-// Interface DecimationFilter and factory to build filters.
-//*****************************************************************************
-
-class DecimationAccelGrid : public DecimationAccel
-{
-public:
-
- /**
- * Builds an empty DecimationAccelGrid (default constructor).
- */
- DecimationAccelGrid();
-
- /**
- * Destructor. Removes everything.
- */
- virtual ~DecimationAccelGrid();
-
- /**
- * Resets this object in its state by default (empty). Cleans memory.
- */
- void reset();
-
- //---------------------------------------------------------------------
- // Algorithms
- //---------------------------------------------------------------------
-
- /**
- * Configures this acceleration structure. String is used for genericity.
- * \param pArgv assumes "size_x size_y size_z": number of cells along each axis.
- */
- virtual void configure(const char* pArgv);
-
- /**
- * Creates a new acceleration structure and fills it with the given list of points.
- * setSize() must have been called before.
- * \param pPts list of points to be inserted in the acceleration structure.
- * \throw IllegalStateException if setSize() has not been called before.
- */
- virtual void create(const std::vector<PointOfField>& pPts);
-
- /**
- * Finds all the points in a sphere defined by its center (x,y,z) and its radius.
- * \param pCenterX x-coordinates of the center of the sphere.
- * \param pCenterY y-coordinates of the center of the sphere.
- * \param pCenterZ z-coordinates of the center of the sphere.
- * \param pRadius radius of the sphere.
- * \return all the points in a sphere defined by its center (x,y,z) and its radius.
- */
- virtual std::vector<PointOfField> findNeighbours(
- med_float pCenterX,
- med_float pCenterY,
- med_float pCenterZ,
- med_float pRadius) const;
-
- /**
- * Returns the coordinates of the cell which contain the point (x,y,z).
- * Clamping is performed on (pIx, pIy, pIz) to avoid out of bounds.
- * \param pX (in) X-coordinates of the point.
- * \param pY (in) Y-coordinates of the point.
- * \param pZ (in) Z-coordinates of the point.
- * \param pIx (out) X-index of the cell which contain the point (x,y,z).
- * \param pIy (out) Y-index.
- * \param pIz (out) Z-index.
- */
- void getCellCoord(
- med_float pX, med_float pY, med_float pZ,
- int* pIx, int* pIy, int* pIz) const;
-
- /**
- * Returns the index of the cell whose coordinates are (i, j, k).
- * \param pI
- * \param pJ
- * \param pK
- * \return the index of the cell (i, j, k).
- */
- int getCellIndex(int pI, int pJ, int pK) const;
-
- /**
- * Returns the list of points contained in the cell of pPt.
- * \param pPt any point which coordinates are in the bbox of this acceleration structure.
- * \return the list of points contained in the cell of pPt.
- */
- std::vector<PointOfField>& getCell(const PointOfField& pPt);
-
- //---------------------------------------------------------------------
- // I/O
- //---------------------------------------------------------------------
-
- /**
- * Dumps any GaussLoc to the given output stream.
- * \param pOs any output stream.
- * \param pG any DecimationAccelGrid.
- * \return the output stream pOs.
- */
- friend std::ostream& operator<<(std::ostream& pOs, DecimationAccelGrid& pG);
-
-private:
-
- /**
- * Computes the axis-aligned bounding box of a set of points.
- * Sets the fields mMin/mMax.
- * \param pPts list of points.
- */
- void computeBBox(const std::vector<PointOfField>& pPts);
-
-private:
-
- int mNum; /**< Number of points in the grid. */
- med_float mMin[3]; /**< Bounding box, min corner. */
- med_float mMax[3]; /**< Bounding box, max corner. */
- med_float mInvLen[3]; /**< 1/length of cells, along each dimension; used to accelerate getCellCoord(). */
- med_int mSize[3]; /**< Number of cells along each dimension. */
- std::vector<PointOfField>* mGrid; /**< Flatten grid structure; each cell is a vector of PointOfField. */
-
-private:
-
- // do not allow copy constructor
- DecimationAccelGrid(const DecimationAccelGrid&);
-
- // do not allow copy
- DecimationAccelGrid& operator=(const DecimationAccelGrid&);
-
- // do not allow operator ==
- bool operator==(const DecimationAccelGrid&);
-
-}; // class DecimationAccelGrid
-
-
-} // namespace MULTIPR
-
-
-#endif // MULTIPR_DECIMATION_ACCEL_HXX
-
-// EOF
