mirror of
https://github.com/NGSolve/netgen.git
synced 2024-12-27 06:10:34 +05:00
391 lines
11 KiB
C++
391 lines
11 KiB
C++
#ifndef FILE_CSGEOM
|
|
#define FILE_CSGEOM
|
|
|
|
/**************************************************************************/
|
|
/* File: csgeom.hh */
|
|
/* Author: Joachim Schoeberl */
|
|
/* Date: 27. Nov. 97 */
|
|
/**************************************************************************/
|
|
|
|
namespace netgen
|
|
{
|
|
|
|
/**
|
|
Constructive Solid Geometry
|
|
*/
|
|
|
|
|
|
class TriangleApproximation;
|
|
class TATriangle;
|
|
|
|
|
|
/**
|
|
A top level object is an entity to be meshed.
|
|
I can be either a solid, or one surface patch of a solid.
|
|
*/
|
|
class DLL_HEADER TopLevelObject
|
|
{
|
|
Solid * solid;
|
|
Surface * surface;
|
|
|
|
double red, blue, green;
|
|
bool visible, transp;
|
|
double maxh;
|
|
string material;
|
|
int layer;
|
|
int bc; // for surface patches, only
|
|
string bcname;
|
|
|
|
public:
|
|
TopLevelObject (Solid * asolid,
|
|
Surface * asurface = NULL);
|
|
// default constructor for archive
|
|
TopLevelObject() {}
|
|
|
|
void DoArchive(Archive& archive)
|
|
{
|
|
archive & solid & surface & red & blue & green & visible & transp & maxh
|
|
& material & layer & bc & bcname;
|
|
}
|
|
const Solid * GetSolid() const { return solid; }
|
|
Solid * GetSolid() { return solid; }
|
|
|
|
const Surface * GetSurface () const { return surface; }
|
|
Surface * GetSurface () { return surface; }
|
|
|
|
void GetData (ostream & ost);
|
|
void SetData (istream & ist);
|
|
|
|
void SetMaxH (double amaxh) { maxh = amaxh; }
|
|
double GetMaxH () const { return maxh; }
|
|
|
|
void SetRGB (double ared, double agreen, double ablue)
|
|
{
|
|
red = ared;
|
|
green = agreen;
|
|
blue = ablue;
|
|
}
|
|
|
|
double GetRed () const { return red; }
|
|
double GetGreen () const { return green; }
|
|
double GetBlue () const { return blue; }
|
|
|
|
void SetTransparent (bool atransp)
|
|
{ transp = atransp; }
|
|
bool GetTransparent () const { return transp; }
|
|
|
|
void SetVisible (bool avisible)
|
|
{ visible = avisible; }
|
|
bool GetVisible () const { return visible; }
|
|
|
|
const string GetMaterial () const { return material; }
|
|
void SetMaterial (const string & mat) { material = mat; }
|
|
|
|
int GetLayer () const { return layer; }
|
|
void SetLayer (int alayer) { layer = alayer; }
|
|
|
|
void SetBCProp (int abc) { bc = abc; }
|
|
int GetBCProp () const { return bc; }
|
|
|
|
void SetBCName (string abc) { bcname = abc; }
|
|
const string GetBCName () const { return bcname; }
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
CSGeometry has the whole geometric information
|
|
*/
|
|
class DLL_HEADER CSGeometry : public NetgenGeometry
|
|
{
|
|
private:
|
|
/// all surfaces
|
|
SymbolTable<Surface*> surfaces;
|
|
|
|
public:
|
|
/// primitive of surface
|
|
NgArray<const Primitive*> surf2prim;
|
|
|
|
private:
|
|
NgArray<Surface*> delete_them;
|
|
|
|
/// all named solids
|
|
SymbolTable<Solid*> solids;
|
|
|
|
/// all 2d splinecurves
|
|
SymbolTable<shared_ptr<SplineGeometry<2>>> splinecurves2d;
|
|
/// all 3d splinecurves
|
|
SymbolTable<shared_ptr<SplineGeometry<3>>> splinecurves3d;
|
|
|
|
/// all top level objects: solids and surfaces
|
|
NgArray<TopLevelObject*> toplevelobjects;
|
|
|
|
public:
|
|
/// additional points specified by user
|
|
class UserPoint : public Point<3>
|
|
{
|
|
int index;
|
|
string name;
|
|
public:
|
|
UserPoint() = default;
|
|
UserPoint (Point<3> p, int _index) : Point<3>(p), index(_index) { ; }
|
|
UserPoint (Point<3> p, const string & _name) : Point<3>(p), index(-1), name(_name) { ; }
|
|
int GetIndex() const { return index; }
|
|
const string & GetName() const { return name; }
|
|
void DoArchive(Archive& archive)
|
|
{
|
|
archive & index & name;
|
|
Point<3>::DoArchive(archive);
|
|
}
|
|
};
|
|
|
|
private:
|
|
// NgArray<Point<3> > userpoints;
|
|
NgArray<UserPoint> userpoints;
|
|
NgArray<double> userpoints_ref_factor;
|
|
|
|
mutable NgArray<Point<3> > identpoints;
|
|
|
|
/// triangular approximation of top level objects
|
|
NgArray<TriangleApproximation*> triapprox;
|
|
|
|
/// increment, if geometry is changed
|
|
static int changeval;
|
|
|
|
/// bounding box of geometry
|
|
Box<3> boundingbox;
|
|
|
|
/// bounding box, if not set by input file
|
|
static Box<3> default_boundingbox;
|
|
|
|
/// identic surfaces are stored by pair of indizes, val = inverse
|
|
INDEX_2_HASHTABLE<int> identicsurfaces;
|
|
NgArray<int> isidenticto;
|
|
/// identification of boundaries (periodic, thin domains, ...)
|
|
|
|
double ideps;
|
|
|
|
/// filename of inputfile
|
|
string filename;
|
|
|
|
/// store splinesurfaces, such that added ones do not get deleted before geometry does
|
|
NgArray<shared_ptr<SplineSurface>> spline_surfaces;
|
|
|
|
shared_ptr<BlockAllocator> solid_ball = Solid::ball;
|
|
|
|
public:
|
|
CSGeometry ();
|
|
CSGeometry (const string & afilename);
|
|
virtual ~CSGeometry ();
|
|
|
|
void Clean ();
|
|
|
|
virtual void Save (const filesystem::path & filename) const override;
|
|
void Save (ostream & ost) const;
|
|
void Load (istream & ist);
|
|
|
|
void SaveSurfaces (ostream & out) const;
|
|
void LoadSurfaces (istream & in);
|
|
|
|
virtual void SaveToMeshFile (ostream & ost) const override;
|
|
|
|
PointGeomInfo ProjectPoint(INDEX surfind, Point<3> & p) const override;
|
|
bool ProjectPointGI (int surfind, Point<3> & p, PointGeomInfo & gi) const override;
|
|
void ProjectPointEdge(INDEX surfind, INDEX surfind2, Point<3> & p,
|
|
EdgePointGeomInfo* gi = nullptr) const override;
|
|
Vec<3> GetNormal(int surfind, const Point<3> & p, const PointGeomInfo* gi = nullptr) const override;
|
|
|
|
void PointBetween(const Point<3> & p1, const Point<3> & p2,
|
|
double secpoint, int surfi,
|
|
const PointGeomInfo & gi1,
|
|
const PointGeomInfo & gi2,
|
|
Point<3> & newp, PointGeomInfo & newgi) const override;
|
|
|
|
void PointBetweenEdge(const Point<3> & p1, const Point<3> & p2, double secpoint,
|
|
int surfi1, int surfi2,
|
|
const EdgePointGeomInfo & ap1,
|
|
const EdgePointGeomInfo & ap2,
|
|
Point<3> & newp, EdgePointGeomInfo & newgi) const override;
|
|
|
|
Vec<3> GetTangent (const Point<3> & p, int surfi1, int surfi2,
|
|
const EdgePointGeomInfo & ap1) const override;
|
|
|
|
int GetChangeVal() { return changeval; }
|
|
void Change() { changeval++; }
|
|
|
|
void AddSurface (Surface * surf);
|
|
void AddSurface (char * name, Surface * surf);
|
|
void AddSurfaces (Primitive * prim);
|
|
|
|
int GetNSurf () const { return surfaces.Size(); }
|
|
const Surface * GetSurface (const char * name) const;
|
|
const Surface * GetSurface (int i) const
|
|
{ return surfaces[i]; }
|
|
|
|
void SetSolid (const char * name, Solid * sol);
|
|
const Solid * GetSolid (const char * name) const;
|
|
const Solid * GetSolid (const string & name) const;
|
|
int GetNSolids () const { return solids.Size(); }
|
|
const Solid * GetSolid (int i) const { return solids[i]; }
|
|
const SymbolTable<Solid*> & GetSolids () const { return solids; }
|
|
|
|
|
|
void SetSplineCurve (const char * name, shared_ptr<SplineGeometry<2>> spl);
|
|
void SetSplineCurve (const char * name, shared_ptr<SplineGeometry<3>> spl);
|
|
shared_ptr<SplineGeometry<2>> GetSplineCurve2d (const string & name) const;
|
|
shared_ptr<SplineGeometry<3>> GetSplineCurve3d (const string & name) const;
|
|
|
|
void DoArchive(Archive& archive) override;
|
|
|
|
|
|
void SetFlags (const char * solidname, const Flags & flags);
|
|
|
|
|
|
int GetNTopLevelObjects () const
|
|
{ return toplevelobjects.Size(); }
|
|
int SetTopLevelObject (Solid * sol, Surface * surf = NULL);
|
|
void GetTopLevelObject (int nr, Solid *& sol, Surface *& surf)
|
|
{
|
|
sol = toplevelobjects[nr]->GetSolid();
|
|
surf = toplevelobjects[nr]->GetSurface();
|
|
}
|
|
void GetTopLevelObject (int nr, const Solid *& sol, const Surface *& surf) const
|
|
{
|
|
sol = toplevelobjects[nr]->GetSolid();
|
|
surf = toplevelobjects[nr]->GetSurface();
|
|
}
|
|
|
|
TopLevelObject * GetTopLevelObject (const Solid * sol, const Surface * surf = NULL);
|
|
TopLevelObject * GetTopLevelObject (int nr) const
|
|
{ return toplevelobjects[nr]; }
|
|
// const TopLevelObject * GetTopLevelObject (int nr) const
|
|
// { return toplevelobjects[nr]; }
|
|
void RemoveTopLevelObject (Solid * sol, Surface * surf = NULL);
|
|
|
|
|
|
void AddUserPoint (const Point<3> & p, double ref_factor = 0)
|
|
{ userpoints.Append (UserPoint(p,userpoints.Size()+1)); userpoints_ref_factor.Append (ref_factor); }
|
|
void AddUserPoint (const UserPoint up, double ref_factor = 0)
|
|
{ userpoints.Append (up); userpoints_ref_factor.Append (ref_factor); }
|
|
int GetNUserPoints () const
|
|
{ return userpoints.Size(); }
|
|
const UserPoint & GetUserPoint (int nr) const
|
|
{ return userpoints[nr]; }
|
|
double GetUserPointRefFactor (int nr) const
|
|
{ return userpoints_ref_factor[nr]; }
|
|
|
|
void AddIdentPoint (const Point<3> & p) const
|
|
{ identpoints.Append(p);}
|
|
int GetNIdentPoints (void) const
|
|
{ return identpoints.Size();}
|
|
const Point<3> & GetIdentPoint(int nr) const
|
|
{ return identpoints[nr]; }
|
|
void DeleteIdentPoints(void) const
|
|
{ identpoints.DeleteAll();}
|
|
|
|
|
|
// quick implementations:
|
|
NgArray<SingularFace*> singfaces;
|
|
NgArray<SingularEdge*> singedges;
|
|
NgArray<SingularPoint*> singpoints;
|
|
NgArray<Identification*> identifications;
|
|
|
|
int GetNIdentifications (void) const { return identifications.Size(); }
|
|
void AddIdentification (Identification * ident);
|
|
|
|
|
|
///
|
|
void CalcTriangleApproximation(double detail, double facets);
|
|
|
|
///
|
|
void FindIdenticSurfaces (double eps);
|
|
///
|
|
void GetSurfaceIndices (const Solid * sol,
|
|
const BoxSphere<3> & box,
|
|
NgArray<int> & locsurf) const;
|
|
///
|
|
void GetIndependentSurfaceIndices (const Solid * sol,
|
|
const BoxSphere<3> & box,
|
|
NgArray<int> & locsurf) const;
|
|
///
|
|
/*
|
|
void GetIndependentSurfaceIndices (const Solid * sol,
|
|
const Point<3> & p, Vec<3> & v,
|
|
NgArray<int> & locsurf) const;
|
|
*/
|
|
///
|
|
void GetIndependentSurfaceIndices (NgArray<int> & locsurf) const;
|
|
|
|
///
|
|
int GetSurfaceClassRepresentant (int si) const
|
|
{ return isidenticto[si]; }
|
|
|
|
///
|
|
const TriangleApproximation * GetTriApprox (int msnr)
|
|
{
|
|
if (msnr < triapprox.Size())
|
|
return triapprox[msnr];
|
|
return 0;
|
|
}
|
|
|
|
|
|
void IterateAllSolids (SolidIterator & it, bool only_once = false) const;
|
|
|
|
void RefineTriangleApprox (Solid * locsol,
|
|
int surfind,
|
|
const BoxSphere<3> & box,
|
|
double detail,
|
|
const TATriangle & tria,
|
|
TriangleApproximation & tams,
|
|
IndexSet & iset,
|
|
int level);
|
|
|
|
const Box<3> & BoundingBox () const { return boundingbox; }
|
|
|
|
void SetBoundingBox (const Box<3> & abox)
|
|
{
|
|
boundingbox = abox;
|
|
}
|
|
|
|
|
|
static void SetDefaultBoundingBox (const Box<3> & abox)
|
|
{
|
|
default_boundingbox = abox;
|
|
}
|
|
|
|
double MaxSize () const;
|
|
|
|
void SetIdEps(double eps){ideps = eps;}
|
|
double GetIdEps(void) const {return ideps;}
|
|
|
|
class BCModification {
|
|
public:
|
|
int si;
|
|
int tlonr;
|
|
int bcnr;
|
|
string * bcname;
|
|
};
|
|
|
|
NgArray<BCModification> bcmodifications;
|
|
|
|
|
|
map<tuple<Surface*,Surface*>, string> named_edges;
|
|
|
|
|
|
|
|
virtual int GenerateMesh (shared_ptr<Mesh> & mesh, MeshingParameters & mparam) override;
|
|
|
|
void AddSplineSurface (shared_ptr<SplineSurface> ss) { spline_surfaces.Append(ss); }
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
#endif
|
|
|