mirror of
https://github.com/NGSolve/netgen.git
synced 2024-09-22 17:52:50 +05:00
146 lines
3.0 KiB
C++
146 lines
3.0 KiB
C++
#ifndef LOCALH
|
|
#define LOCALH
|
|
|
|
/**************************************************************************/
|
|
/* File: localh.hh */
|
|
/* Author: Joachim Schoeberl */
|
|
/* Date: 29. Jan. 97 */
|
|
/**************************************************************************/
|
|
|
|
|
|
|
|
|
|
/// box for grading
|
|
class GradingBox
|
|
{
|
|
/*
|
|
/// xmin
|
|
float x1[3];
|
|
/// xmax
|
|
float x2[3];
|
|
*/
|
|
/// xmid
|
|
float xmid[3];
|
|
/// half edgelength
|
|
float h2;
|
|
///
|
|
GradingBox * childs[8];
|
|
///
|
|
GradingBox * father;
|
|
///
|
|
double hopt;
|
|
///
|
|
struct
|
|
{
|
|
unsigned int cutboundary:1;
|
|
unsigned int isinner:1;
|
|
unsigned int oldcell:1;
|
|
unsigned int pinner:1;
|
|
} flags;
|
|
public:
|
|
///
|
|
GradingBox (const double * ax1, const double * ax2);
|
|
///
|
|
void DeleteChilds();
|
|
///
|
|
friend class LocalH;
|
|
|
|
|
|
static BlockAllocator ball;
|
|
void * operator new(size_t);
|
|
void operator delete (void *);
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
Control of 3D mesh grading
|
|
*/
|
|
class LocalH
|
|
{
|
|
///
|
|
GradingBox * root;
|
|
///
|
|
double grading;
|
|
///
|
|
Array<GradingBox*> boxes;
|
|
///
|
|
Box3d boundingbox;
|
|
public:
|
|
///
|
|
LocalH (const Point3d & pmin, const Point3d & pmax, double grading);
|
|
///
|
|
~LocalH();
|
|
///
|
|
void Delete();
|
|
///
|
|
void SetGrading (double agrading) { grading = agrading; }
|
|
///
|
|
void SetH (const Point3d & x, double h);
|
|
///
|
|
double GetH (const Point3d & x) const;
|
|
/// minimal h in box (pmin, pmax)
|
|
double GetMinH (const Point3d & pmin, const Point3d & pmax) const;
|
|
|
|
/// mark boxes intersecting with boundary-box
|
|
void CutBoundary (const Point3d & pmin, const Point3d & pmax)
|
|
{ CutBoundaryRec (pmin, pmax, root); }
|
|
|
|
/// find inner boxes
|
|
void FindInnerBoxes ( // int (*sameside)(const Point3d & p1, const Point3d & p2),
|
|
class AdFront3 * adfront,
|
|
int (*testinner)(const Point3d & p1));
|
|
|
|
/// clears all flags
|
|
void ClearFlags ()
|
|
{ ClearFlagsRec(root); }
|
|
|
|
/// widen refinement zone
|
|
void WidenRefinement ();
|
|
|
|
/// get points in inner elements
|
|
void GetInnerPoints (Array<Point3d> & points);
|
|
|
|
/// get points in outer closure
|
|
void GetOuterPoints (Array<Point3d> & points);
|
|
|
|
///
|
|
void Convexify ();
|
|
///
|
|
int GetNBoxes () { return boxes.Size(); }
|
|
const Box3d & GetBoundingBox () const
|
|
{ return boundingbox; }
|
|
///
|
|
void PrintMemInfo (ostream & ost) const;
|
|
private:
|
|
///
|
|
double GetMinHRec (const Point3d & pmin, const Point3d & pmax,
|
|
const GradingBox * box) const;
|
|
///
|
|
void CutBoundaryRec (const Point3d & pmin, const Point3d & pmax,
|
|
GradingBox * box);
|
|
|
|
///
|
|
void FindInnerBoxesRec ( int (*inner)(const Point3d & p),
|
|
GradingBox * box);
|
|
|
|
///
|
|
void FindInnerBoxesRec2 (GradingBox * box,
|
|
class AdFront3 * adfront,
|
|
Array<Box3d> & faceboxes,
|
|
Array<int> & finds, int nfinbox);
|
|
|
|
|
|
///
|
|
void SetInnerBoxesRec (GradingBox * box);
|
|
|
|
///
|
|
void ClearFlagsRec (GradingBox * box);
|
|
|
|
///
|
|
void ConvexifyRec (GradingBox * box);
|
|
};
|
|
|
|
|
|
#endif
|