mirror of
https://github.com/NGSolve/netgen.git
synced 2024-11-11 16:49:16 +05:00
430 lines
10 KiB
C++
430 lines
10 KiB
C++
#ifndef NGINTERFACE_V2
|
|
#define NGINTERFACE_V2
|
|
|
|
|
|
/**************************************************************************/
|
|
/* File: nginterface_v2.hpp */
|
|
/* Author: Joachim Schoeberl */
|
|
/* Date: May 09 */
|
|
/**************************************************************************/
|
|
|
|
#include "mydefs.hpp"
|
|
|
|
/*
|
|
C++ interface to Netgen
|
|
*/
|
|
|
|
#ifndef NGINTERFACE
|
|
// implemented element types:
|
|
enum NG_ELEMENT_TYPE {
|
|
NG_PNT = 0,
|
|
NG_SEGM = 1, NG_SEGM3 = 2,
|
|
NG_TRIG = 10, NG_QUAD=11, NG_TRIG6 = 12, NG_QUAD6 = 13, NG_QUAD8 = 14,
|
|
NG_TET = 20, NG_TET10 = 21,
|
|
NG_PYRAMID = 22, NG_PRISM = 23, NG_PRISM12 = 24, NG_PRISM15 = 27, NG_PYRAMID13 = 28,
|
|
NG_HEX = 25, NG_HEX20 = 26
|
|
};
|
|
|
|
enum NG_REFINEMENT_TYPE { NG_REFINE_H = 0, NG_REFINE_P = 1, NG_REFINE_HP = 2 };
|
|
#endif
|
|
|
|
// #ifndef PARALLEL
|
|
// typedef int MPI_Comm;
|
|
// #endif
|
|
|
|
|
|
namespace netgen
|
|
{
|
|
using namespace std;
|
|
using namespace ngcore;
|
|
|
|
// extern DLL_HEADER NgMPI_Comm ng_comm;
|
|
|
|
static constexpr int POINTINDEX_BASE = 1;
|
|
|
|
struct T_EDGE2
|
|
{
|
|
// int orient:1;
|
|
// int nr:31; // 0-based
|
|
int nr; // 0-based
|
|
};
|
|
struct T_FACE2
|
|
{
|
|
// int orient:3;
|
|
// int nr:29; // 0-based
|
|
int nr; // 0-based
|
|
};
|
|
|
|
template <typename T>
|
|
class Ng_Buffer
|
|
{
|
|
size_t s;
|
|
T * data;
|
|
public:
|
|
Ng_Buffer (size_t as, T * adata)
|
|
: s(as), data(adata) { ; }
|
|
Ng_Buffer (Ng_Buffer && buffer)
|
|
: s(buffer.Size()), data(buffer.Release()) { ; }
|
|
~Ng_Buffer () { delete [] data; }
|
|
size_t Size() const { return s; }
|
|
T * Release() { T * hd = data; data = nullptr; return hd; }
|
|
};
|
|
|
|
template <typename T, int S>
|
|
class Ng_BufferMS
|
|
{
|
|
size_t s;
|
|
T data[S];
|
|
public:
|
|
Ng_BufferMS (size_t as) : s(as) { ; }
|
|
size_t Size() const { return s; }
|
|
T & operator[] (size_t i) { return data[i]; }
|
|
T operator[] (size_t i) const { return data[i]; }
|
|
};
|
|
|
|
|
|
class Ng_Element
|
|
{
|
|
|
|
class Ng_Points
|
|
{
|
|
public:
|
|
size_t num;
|
|
const int * ptr;
|
|
|
|
size_t Size() const { return num; }
|
|
int operator[] (size_t i) const { return ptr[i]-POINTINDEX_BASE; }
|
|
};
|
|
|
|
|
|
class Ng_Vertices
|
|
{
|
|
public:
|
|
size_t num;
|
|
const int * ptr;
|
|
|
|
size_t Size() const { return num; }
|
|
int operator[] (size_t i) const { return ptr[i]-POINTINDEX_BASE; }
|
|
};
|
|
|
|
class Ng_Edges
|
|
{
|
|
public:
|
|
size_t num;
|
|
const T_EDGE2 * ptr;
|
|
|
|
size_t Size() const { return num; }
|
|
int operator[] (size_t i) const { return ptr[i].nr; }
|
|
};
|
|
|
|
class Ng_Faces
|
|
{
|
|
public:
|
|
size_t num;
|
|
const T_FACE2 * ptr;
|
|
|
|
size_t Size() const { return num; }
|
|
int operator[] (size_t i) const { return ptr[i].nr; }
|
|
};
|
|
|
|
class Ng_Facets
|
|
{
|
|
public:
|
|
size_t num;
|
|
int base;
|
|
const int * ptr;
|
|
|
|
size_t Size() const { return num; }
|
|
int operator[] (size_t i) const { return ptr[i]-base; }
|
|
};
|
|
|
|
|
|
public:
|
|
NG_ELEMENT_TYPE type;
|
|
int index; // material / boundary condition
|
|
const string * mat; // material / boundary label
|
|
NG_ELEMENT_TYPE GetType() const { return type; }
|
|
int GetIndex() const { return index-1; }
|
|
Ng_Points points; // all points
|
|
Ng_Vertices vertices;
|
|
Ng_Edges edges;
|
|
Ng_Faces faces;
|
|
Ng_Facets facets;
|
|
bool is_curved;
|
|
};
|
|
|
|
|
|
class Ng_Point
|
|
{
|
|
double * pt;
|
|
public:
|
|
Ng_Point (double * apt) : pt(apt) { ; }
|
|
double operator[] (size_t i)
|
|
{ return pt[i]; }
|
|
operator const double * () { return pt; }
|
|
};
|
|
|
|
|
|
|
|
|
|
template <int DIM> class Ng_Node;
|
|
|
|
template <>
|
|
class Ng_Node<0>
|
|
{
|
|
class Ng_Elements
|
|
{
|
|
public:
|
|
size_t ne;
|
|
const int * ptr;
|
|
|
|
size_t Size() const { return ne; }
|
|
int operator[] (size_t i) const { return ptr[i]; }
|
|
};
|
|
|
|
|
|
public:
|
|
Ng_Elements elements;
|
|
Ng_Elements bnd_elements;
|
|
};
|
|
|
|
|
|
|
|
|
|
template <>
|
|
class Ng_Node<1>
|
|
{
|
|
class Ng_Vertices
|
|
{
|
|
public:
|
|
const int * ptr;
|
|
|
|
size_t Size() const { return 2; }
|
|
int operator[] (size_t i) const { return ptr[i]-POINTINDEX_BASE; }
|
|
};
|
|
|
|
|
|
public:
|
|
Ng_Vertices vertices;
|
|
};
|
|
|
|
|
|
|
|
template <>
|
|
class Ng_Node<2>
|
|
{
|
|
class Ng_Vertices
|
|
{
|
|
public:
|
|
size_t nv;
|
|
const int * ptr;
|
|
|
|
size_t Size() const { return nv; }
|
|
int operator[] (size_t i) const { return ptr[i]-POINTINDEX_BASE; }
|
|
};
|
|
|
|
/*
|
|
class Ng_Edges
|
|
{
|
|
public:
|
|
size_t ned;
|
|
const int * ptr;
|
|
|
|
size_t Size() const { return ned; }
|
|
int operator[] (size_t i) const { return ptr[i]-1; }
|
|
};
|
|
*/
|
|
|
|
public:
|
|
Ng_Vertices vertices;
|
|
// Ng_Edges edges;
|
|
int surface_el; // -1 if face not on surface
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
class Mesh;
|
|
|
|
|
|
inline void DummyTaskManager2 (function<void(int,int)> func)
|
|
{ func(0,1); }
|
|
inline void DummyTracer2 (string, bool) { ; }
|
|
|
|
class DLL_HEADER Ngx_Mesh
|
|
{
|
|
private:
|
|
shared_ptr<Mesh> mesh;
|
|
|
|
public:
|
|
// Ngx_Mesh () { ; }
|
|
// Ngx_Mesh(class Mesh * amesh) : mesh(amesh) { ; }
|
|
|
|
/** reuse a netgen-mesh **/
|
|
Ngx_Mesh (shared_ptr<Mesh> amesh);
|
|
/** load a new mesh **/
|
|
Ngx_Mesh (string filename, NgMPI_Comm acomm = NgMPI_Comm{});
|
|
|
|
void LoadMesh (const string & filename, NgMPI_Comm comm = NgMPI_Comm{});
|
|
|
|
void LoadMesh (istream & str, NgMPI_Comm comm = NgMPI_Comm{});
|
|
void SaveMesh (ostream & str) const;
|
|
void UpdateTopology ();
|
|
void DoArchive (Archive & archive);
|
|
|
|
const NgMPI_Comm & GetCommunicator() const;
|
|
|
|
virtual ~Ngx_Mesh();
|
|
|
|
bool Valid () const { return mesh != NULL; }
|
|
|
|
int GetDimension() const;
|
|
int GetNLevels() const;
|
|
size_t GetNVLevel (int level) const;
|
|
|
|
int GetNElements (int dim) const;
|
|
int GetNNodes (int nt) const;
|
|
|
|
Ng_Point GetPoint (int nr) const;
|
|
|
|
template <int DIM>
|
|
Ng_Element GetElement (size_t nr) const;
|
|
|
|
template <int DIM>
|
|
int GetElementIndex (size_t nr) const;
|
|
|
|
/// material/boundary label of region, template argument is co-dimension
|
|
template <int DIM>
|
|
const string & GetMaterialCD (int region_nr) const;
|
|
|
|
/// Curved Elements:
|
|
/// elnr .. element nr
|
|
/// xi..... DIM_EL local coordinates
|
|
/// x ..... DIM_SPACE global coordinates
|
|
/// dxdxi...DIM_SPACE x DIM_EL Jacobian matrix (row major storage)
|
|
template <int DIM_EL, int DIM_SPACE>
|
|
void ElementTransformation (int elnr,
|
|
const double * xi,
|
|
double * x,
|
|
double * dxdxi) const;
|
|
|
|
|
|
/// Curved Elements:
|
|
/// elnr .. element nr
|
|
/// npts .. number of points
|
|
/// xi..... DIM_EL local coordinates
|
|
/// sxi ... step xi
|
|
/// x ..... DIM_SPACE global coordinates
|
|
/// dxdxi...DIM_SPACE x DIM_EL Jacobian matrix (row major storage)
|
|
template <int DIM_EL, int DIM_SPACE, typename T>
|
|
void MultiElementTransformation (int elnr, int npts,
|
|
const T * xi, size_t sxi,
|
|
T * x, size_t sx,
|
|
T * dxdxi, size_t sdxdxi) const;
|
|
|
|
|
|
template <int DIM>
|
|
const Ng_Node<DIM> GetNode (int nr) const;
|
|
|
|
Ng_BufferMS<int,4> GetFaceEdges (int fnr) const;
|
|
|
|
template <int DIM>
|
|
int GetNNodes ();
|
|
|
|
// returns domain numbers of domains next to boundary bnr -> (domin, domout)
|
|
// 3D only
|
|
// std::pair<int,int> GetBoundaryNeighbouringDomains (int bnr);
|
|
|
|
template <int DIM>
|
|
void SetRefinementFlag (size_t elnr, bool flag);
|
|
|
|
void Curve (int order);
|
|
int GetCurveOrder ();
|
|
|
|
void EnableTable (string name, bool set);
|
|
|
|
void Refine (NG_REFINEMENT_TYPE reftype, bool onlyonce,
|
|
void (*taskmanager)(function<void(int,int)>) = &DummyTaskManager2,
|
|
void (*tracer)(string, bool) = &DummyTracer2);
|
|
|
|
int GetHPElementLevel (int ei, int dir) const;
|
|
|
|
void GetParentNodes (int ni, int * parents) const;
|
|
int GetParentElement (int ei) const;
|
|
int GetParentSElement (int ei) const;
|
|
|
|
bool HasParentEdges() const;
|
|
tuple<int, std::array<int,3>> GetParentEdges (int enr) const;
|
|
tuple<int, std::array<int,4>> GetParentFaces (int fnr) const;
|
|
|
|
int GetNIdentifications() const;
|
|
int GetIdentificationType(int idnr) const;
|
|
Ng_Buffer<int[2]> GetPeriodicVertices(int idnr) const;
|
|
|
|
// Find element of point, returns local coordinates
|
|
template <int DIM>
|
|
int FindElementOfPoint
|
|
(double * p, double * lami,
|
|
bool build_searchtrees = false,
|
|
int * const indices = NULL, int numind = 0) const;
|
|
|
|
|
|
// for MPI-parallel
|
|
FlatArray<int> GetDistantProcs (int nodetype, int locnum) const;
|
|
size_t GetGlobalVertexNum (int locnum) const;
|
|
|
|
shared_ptr<Mesh> GetMesh () const { return mesh; }
|
|
shared_ptr<Mesh> SelectMesh () const;
|
|
inline auto GetTimeStamp() const;
|
|
|
|
|
|
// also added from nginterface.h, still 1-based, need redesign
|
|
void HPRefinement (int levels, double parameter = 0.125,
|
|
bool setorders = true,bool ref_level = false);
|
|
size_t GetNP() const;
|
|
int GetSurfaceElementSurfaceNumber (size_t ei) const;
|
|
int GetSurfaceElementFDNumber (size_t ei) const;
|
|
|
|
int GetElementOrder (int enr) const;
|
|
void GetElementOrders (int enr, int * ox, int * oy, int * oz) const;
|
|
void SetElementOrder (int enr, int order);
|
|
void SetElementOrders (int enr, int ox, int oy, int oz);
|
|
int GetSurfaceElementOrder (int enr) const;
|
|
void GetSurfaceElementOrders (int enr, int * ox, int * oy) const;
|
|
void SetSurfaceElementOrder (int enr, int order);
|
|
void SetSurfaceElementOrders (int enr, int ox, int oy);
|
|
int GetClusterRepVertex (int vi) const;
|
|
int GetClusterRepEdge (int edi) const;
|
|
int GetClusterRepFace (int fai) const;
|
|
int GetClusterRepElement (int eli) const;
|
|
};
|
|
|
|
|
|
|
|
DLL_HEADER Ngx_Mesh * LoadMesh (const string & filename);
|
|
}
|
|
|
|
|
|
#ifdef HAVE_NETGEN_SOURCES
|
|
#include <meshing.hpp>
|
|
|
|
namespace netgen
|
|
{
|
|
#ifdef __GNUC__
|
|
#define NGX_INLINE __attribute__ ((__always_inline__)) inline
|
|
#else
|
|
#define NGX_INLINE inline
|
|
#endif
|
|
#include <nginterface_v2_impl.hpp>
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
#endif
|
|
|