#ifndef NGINTERFACE #define NGINTERFACE /**************************************************************************/ /* File: nginterface.h */ /* Author: Joachim Schoeberl */ /* Date: 20. Nov. 99 */ /**************************************************************************/ /* Application program interface to Netgen */ // max number of nodes per element #define NG_ELEMENT_MAXPOINTS 12 // max number of nodes per surface element #define NG_SURFACE_ELEMENT_MAXPOINTS 8 // implemented element types: enum NG_ELEMENT_TYPE { NG_SEGM = 1, NG_SEGM3 = 2, NG_TRIG = 10, NG_QUAD=11, NG_TRIG6 = 12, NG_QUAD6 = 13, NG_TET = 20, NG_TET10 = 21, NG_PYRAMID = 22, NG_PRISM = 23, NG_PRISM12 = 24, NG_HEX = 25 }; typedef double NG_POINT[3]; // coordinates typedef int NG_EDGE[2]; // initial point, end point typedef int NG_FACE[4]; // points, last one is 0 for trig #ifdef __cplusplus extern "C" { #endif // load geomtry from file void Ng_LoadGeometry (const char * filename); // load netgen mesh void Ng_LoadMesh (const char * filename); // load netgen mesh void Ng_LoadMeshFromString (const char * mesh_as_string); // space dimension (2 or 3) int Ng_GetDimension (); // number of mesh points int Ng_GetNP (); // number of mesh vertices (differs from GetNP for 2nd order elements) int Ng_GetNV (); // number of mesh elements int Ng_GetNE (); // number of surface triangles int Ng_GetNSE (); // Get Point coordintes, index from 1 .. np void Ng_GetPoint (int pi, double * p); // Get Element Points NG_ELEMENT_TYPE Ng_GetElement (int ei, int * epi, int * np = 0); // Get Element Type NG_ELEMENT_TYPE Ng_GetElementType (int ei); // Get sub-domain of element ei int Ng_GetElementIndex (int ei); void Ng_SetElementIndex(const int ei, const int index); // Get Material of element ei char * Ng_GetElementMaterial (int ei); // Get Material of domain dom char * Ng_GetDomainMaterial (int dom); // Get User Data int Ng_GetUserDataSize (char * id); void Ng_GetUserData (char * id, double * data); // Get Surface Element Points NG_ELEMENT_TYPE Ng_GetSurfaceElement (int ei, int * epi, int * np = 0); // Get Surface Element Type NG_ELEMENT_TYPE Ng_GetSurfaceElementType (int ei); // Get Surface Element Index int Ng_GetSurfaceElementIndex (int ei); // Get Surface Element Surface Number int Ng_GetSurfaceElementSurfaceNumber (int ei); // Get Surface Element Number int Ng_GetSurfaceElementFDNumber (int ei); // Get BCName for Surface Element char * Ng_GetSurfaceElementBCName (int ei); //void Ng_GetSurfaceElementBCName (int ei, char * name); // Get BCName for bc-number char * Ng_GetBCNumBCName (int bcnr); //void Ng_GetBCNumBCName (int bcnr, char * name); // Get normal vector of surface element node void Ng_GetNormalVector (int sei, int locpi, double * nv); void Ng_SetPointSearchStartElement(int el); // Find element of point, returns local coordinates int Ng_FindElementOfPoint (double * p, double * lami, int build_searchtrees = 0, const int * const indices = NULL, const int numind = 0); // Find surface element of point, returns local coordinates int Ng_FindSurfaceElementOfPoint (double * p, double * lami, int build_searchtrees = 0, const int * const indices = NULL, const int numind = 0); // is elment ei curved ? int Ng_IsElementCurved (int ei); // is elment sei curved ? int Ng_IsSurfaceElementCurved (int sei); /// Curved Elemens: /// xi..local coordinates /// x ..global coordinates /// dxdxi...D x D Jacobian matrix (row major storage) void Ng_GetElementTransformation (int ei, const double * xi, double * x, double * dxdxi); /// buffer must be at least 100 doubles, alignment of double void Ng_GetBufferedElementTransformation (int ei, const double * xi, double * x, double * dxdxi, void * buffer, int buffervalid); /// Curved Elemens: /// xi..local coordinates /// x ..global coordinates /// dxdxi...D x D-1 Jacobian matrix (row major storage) /// curved ...is element curved ? void Ng_GetSurfaceElementTransformation (int sei, const double * xi, double * x, double * dxdxi); /// Curved Elemens: /// xi..local coordinates /// sxi..step xi /// x ..global coordinates /// dxdxi...D x D Jacobian matrix (row major storage) void Ng_GetMultiElementTransformation (int ei, int n, const double * xi, int sxi, double * x, int sx, double * dxdxi, int sdxdxi); int Ng_GetSegmentIndex (int elnr); NG_ELEMENT_TYPE Ng_GetSegment (int elnr, int * epi, int * np = 0); // Mark element for refinement void Ng_SetRefinementFlag (int ei, int flag); void Ng_SetSurfaceRefinementFlag (int sei, int flag); // Do local refinement enum NG_REFINEMENT_TYPE { NG_REFINE_H = 0, NG_REFINE_P = 1, NG_REFINE_HP = 2 }; void Ng_Refine (NG_REFINEMENT_TYPE reftype); // Use second order elements void Ng_SecondOrder (); void Ng_HighOrder (int order, bool rational = false); //void Ng_HPRefinement (int levels, double parameter = 0.125); void Ng_HPRefinement (int levels, double parameter = 0.125, bool setorders = true,bool ref_level = false); // void Ng_HPRefinement (int levels); // void Ng_HPRefinement (int levels, double parameter); // Topology and coordinate information of master element: int Ng_ME_GetNVertices (NG_ELEMENT_TYPE et); int Ng_ME_GetNEdges (NG_ELEMENT_TYPE et); int Ng_ME_GetNFaces (NG_ELEMENT_TYPE et); const NG_POINT * Ng_ME_GetVertices (NG_ELEMENT_TYPE et); const NG_EDGE * Ng_ME_GetEdges (NG_ELEMENT_TYPE et); const NG_FACE * Ng_ME_GetFaces (NG_ELEMENT_TYPE et); int Ng_GetNEdges(); int Ng_GetNFaces(); int Ng_GetElement_Edges (int elnr, int * edges, int * orient = 0); int Ng_GetElement_Faces (int elnr, int * faces, int * orient = 0); int Ng_GetSurfaceElement_Edges (int selnr, int * edges, int * orient = 0); int Ng_GetSurfaceElement_Face (int selnr, int * orient = 0); void Ng_GetSurfaceElementNeighbouringDomains(const int selnr, int & in, int & out); int Ng_GetFace_Vertices (int fnr, int * vert); void Ng_GetEdge_Vertices (int ednr, int * vert); int Ng_GetFace_Edges (int fnr, int * edge); int Ng_GetNVertexElements (int vnr); void Ng_GetVertexElements (int vnr, int * els); int Ng_GetElementOrder (int enr); void Ng_GetElementOrders (int enr, int * ox, int * oy, int * oz); void Ng_SetElementOrder (int enr, int order); void Ng_SetElementOrders (int enr, int ox, int oy, int oz); int Ng_GetSurfaceElementOrder (int enr); void Ng_GetSurfaceElementOrders (int enr, int * ox, int * oy); void Ng_SetSurfaceElementOrder (int enr, int order); void Ng_SetSurfaceElementOrders (int enr, int ox, int oy); // Multilevel functions: // number of levels: int Ng_GetNLevels (); // get two parent nodes (indeed vertices !) of node ni void Ng_GetParentNodes (int ni, int * parents); // get parent element (first child has always same number) int Ng_GetParentElement (int ei); // get parent surface element (first child has always same number) int Ng_GetParentSElement (int ei); // representant of anisotropic cluster int Ng_GetClusterRepVertex (int vi); int Ng_GetClusterRepEdge (int edi); int Ng_GetClusterRepFace (int fai); int Ng_GetClusterRepElement (int eli); void Ng_SurfaceElementTransformation (int eli, double x, double y, double * p3d, double * jacobian); #ifdef PARALLEL // Is Element ei an element of this processor ?? bool Ng_IsGhostEl (int ei); void Ng_SetGhostEl(const int ei, const bool aisghost ); bool Ng_IsGhostSEl (int ei); void Ng_SetGhostSEl(const int ei, const bool aisghost ); bool Ng_IsGhostVert ( int pnum ); bool Ng_IsGhostEdge ( int ednum ); bool Ng_IsGhostFace ( int fanum ); bool Ng_IsExchangeEl ( int elnum ); bool Ng_IsExchangeSEl ( int selnr ); void Ng_UpdateOverlap (); int Ng_Overlap(); /* void Ng_SetGhostVert ( const int pnum, const bool aisghost ); */ /* void Ng_SetGhostEdge ( const int ednum, const bool aisghost ); */ /* void Ng_SetGhostFace ( const int fanum, const bool aisghost ); */ #endif namespace netgen { #include "../visualization/soldata.hpp" } enum Ng_SolutionType { NG_SOLUTION_NODAL = 1, NG_SOLUTION_ELEMENT = 2, NG_SOLUTION_SURFACE_ELEMENT = 3, NG_SOLUTION_NONCONTINUOUS = 4, NG_SOLUTION_SURFACE_NONCONTINUOUS = 5, NG_SOLUTION_VIRTUAL_FUNCTION = 6, NG_SOLUTION_MARKED_ELEMENTS = 10, NG_SOLUTION_ELEMENT_ORDER = 11 }; struct Ng_SolutionData { const char * name; // name of gridfunction double * data; // solution values int components; // relevant (double) components in solution vector int dist; // # doubles per entry alignment! int iscomplex; // complex vector ? bool draw_surface; bool draw_volume; int order; // order of elements, only partially supported Ng_SolutionType soltype; // type of solution function netgen::SolutionData * solclass; }; // initialize solution data with default arguments void Ng_InitSolutionData (Ng_SolutionData * soldata); // set solution data void Ng_SetSolutionData (Ng_SolutionData * soldata); /// delete gridfunctions void Ng_ClearSolutionData(); // redraw void Ng_Redraw(); // void Ng_SetVisualizationParameter (const char * name, const char * value); // number of periodic vertices int Ng_GetNPeriodicVertices (int idnr); // pairs should be an integer array of 2*npairs void Ng_GetPeriodicVertices (int idnr, int * pairs); // number of periodic edges int Ng_GetNPeriodicEdges (int idnr); // pairs should be an integer array of 2*npairs void Ng_GetPeriodicEdges (int idnr, int * pairs); void Ng_PushStatus (const char * str); void Ng_PopStatus (); void Ng_SetThreadPercentage (double percent); void Ng_GetStatus (char ** str, double & percent); void Ng_SetTerminate(void); void Ng_UnSetTerminate(void); int Ng_ShouldTerminate(void); //// added by Roman Stainko .... int Ng_GetVertex_Elements( int vnr, int* elems); int Ng_GetVertex_SurfaceElements( int vnr, int* elems ); int Ng_GetVertex_NElements( int vnr ); int Ng_GetVertex_NSurfaceElements( int vnr ); #ifdef SOCKETS int Ng_SocketClientOpen( const int port, const char * host ); void Ng_SocketClientWrite( const char * write, char ** reply); void Ng_SocketClientClose ( void ); void Ng_SocketClientGetServerHost ( const int number, char ** host ); void Ng_SocketClientGetServerPort ( const int number, int * port ); void Ng_SocketClientGetServerClientID ( const int number, int * id ); #endif void Ng_InitPointCurve(double red, double green, double blue); void Ng_AddPointCurvePoint(const double * point); #ifdef PARALLEL void Ng_SetElementPartition ( int elnr, int part ); int Ng_GetElementPartition ( int elnr ); #endif void Ng_SaveMesh ( const char * meshfile ); void Ng_Bisect ( const char * refinementfile ); // if qualityloss is not equal to NULL at input, a (1-based) list of qualitylosses (due to projection) // is saved in *qualityloss, its size is the return value int Ng_Bisect_WithInfo ( const char * refinementfile, double ** qualityloss); #ifdef __cplusplus } #endif #endif /* The new node interface ... it is 0-based ! */ extern "C" { /* number of nodes of type nt nt = 0 is Vertex nt = 1 is Edge nt = 2 is Face nt = 3 is Cell */ int Ng_GetNNodes (int nt); /* closure nodes of node (nt, nodenr): nodeset is bit-coded, bit 0 includes Vertices, bit 1 edges, etc E.g., nodeset = 6 includes edge and face nodes nodes consists of pairs of integers (nodetype, nodenr) return value is number of nodes */ int Ng_GetClosureNodes (int nt, int nodenr, int nodeset, int * nodes); /* number of dim-dimensional elements dim = 3 ... volume elements dim = 2 ... surface elements dim = 1 ... segments dim = 0 ... not available */ int Ng_GetNElements (int dim); /* closure nodes of dim-dimensional element elmentnr: nodeset is bit-coded, bit 0 includes Vertices, bit 1 edges, etc E.g., nodeset = 6 includes edge and face nodes nodes consists of pairs of integers (nodetype, nodenr) return value is number of nodes */ int Ng_GetElementClosureNodes (int dim, int elementnr, int nodeset, int * nodes); }