netgen/libsrc/include/nginterface.h

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#ifndef NGINTERFACE
#define NGINTERFACE
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/**************************************************************************/
/* File: nginterface.h */
/* Author: Joachim Schoeberl */
/* Date: 20. Nov. 99 */
/**************************************************************************/
/*
Application program interface to Netgen
*/
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#ifdef WIN32
#ifdef NGINTERFACE_EXPORTS
#define DLL_HEADER __declspec(dllexport)
#else
#define DLL_HEADER __declspec(dllimport)
#endif
#else
#define DLL_HEADER
#endif
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// 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
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DLL_HEADER void Ng_LoadGeometry (const char * filename);
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// load netgen mesh
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DLL_HEADER void Ng_LoadMesh (const char * filename);
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// load netgen mesh
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DLL_HEADER void Ng_LoadMeshFromString (const char * mesh_as_string);
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// space dimension (2 or 3)
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DLL_HEADER int Ng_GetDimension ();
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// number of mesh points
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DLL_HEADER int Ng_GetNP ();
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// number of mesh vertices (differs from GetNP for 2nd order elements)
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DLL_HEADER int Ng_GetNV ();
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// number of mesh elements
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DLL_HEADER int Ng_GetNE ();
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// number of surface triangles
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DLL_HEADER int Ng_GetNSE ();
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// Get Point coordintes, index from 1 .. np
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DLL_HEADER void Ng_GetPoint (int pi, double * p);
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// Get Element Points
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DLL_HEADER NG_ELEMENT_TYPE Ng_GetElement (int ei, int * epi, int * np = 0);
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// Get Element Type
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DLL_HEADER NG_ELEMENT_TYPE Ng_GetElementType (int ei);
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// Get sub-domain of element ei
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DLL_HEADER int Ng_GetElementIndex (int ei);
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DLL_HEADER void Ng_SetElementIndex(const int ei, const int index);
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// Get Material of element ei
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DLL_HEADER char * Ng_GetElementMaterial (int ei);
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// Get Material of domain dom
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DLL_HEADER char * Ng_GetDomainMaterial (int dom);
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// Get User Data
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DLL_HEADER int Ng_GetUserDataSize (char * id);
DLL_HEADER void Ng_GetUserData (char * id, double * data);
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// Get Surface Element Points
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DLL_HEADER NG_ELEMENT_TYPE Ng_GetSurfaceElement (int ei, int * epi, int * np = 0);
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// Get Surface Element Type
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DLL_HEADER NG_ELEMENT_TYPE Ng_GetSurfaceElementType (int ei);
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// Get Surface Element Index
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DLL_HEADER int Ng_GetSurfaceElementIndex (int ei);
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// Get Surface Element Surface Number
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DLL_HEADER int Ng_GetSurfaceElementSurfaceNumber (int ei);
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// Get Surface Element Number
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DLL_HEADER int Ng_GetSurfaceElementFDNumber (int ei);
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// Get BCName for Surface Element
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DLL_HEADER char * Ng_GetSurfaceElementBCName (int ei);
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//void Ng_GetSurfaceElementBCName (int ei, char * name);
// Get BCName for bc-number
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DLL_HEADER char * Ng_GetBCNumBCName (int bcnr);
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//void Ng_GetBCNumBCName (int bcnr, char * name);
// Get normal vector of surface element node
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DLL_HEADER void Ng_GetNormalVector (int sei, int locpi, double * nv);
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DLL_HEADER void Ng_SetPointSearchStartElement(int el);
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// Find element of point, returns local coordinates
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DLL_HEADER int Ng_FindElementOfPoint (double * p, double * lami,
int build_searchtrees = 0,
const int * const indices = NULL, const int numind = 0);
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// Find surface element of point, returns local coordinates
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DLL_HEADER int Ng_FindSurfaceElementOfPoint (double * p, double * lami,
int build_searchtrees = 0,
const int * const indices = NULL, const int numind = 0);
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// is elment ei curved ?
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DLL_HEADER int Ng_IsElementCurved (int ei);
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// is elment sei curved ?
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DLL_HEADER int Ng_IsSurfaceElementCurved (int sei);
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/// Curved Elemens:
/// xi..local coordinates
/// x ..global coordinates
/// dxdxi...D x D Jacobian matrix (row major storage)
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DLL_HEADER void Ng_GetElementTransformation (int ei, const double * xi,
double * x, double * dxdxi);
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/// buffer must be at least 100 doubles, alignment of double
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DLL_HEADER void Ng_GetBufferedElementTransformation (int ei, const double * xi,
double * x, double * dxdxi,
void * buffer, int buffervalid);
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/// Curved Elemens:
/// xi..local coordinates
/// x ..global coordinates
/// dxdxi...D x D-1 Jacobian matrix (row major storage)
/// curved ...is element curved ?
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DLL_HEADER void Ng_GetSurfaceElementTransformation (int sei, const double * xi,
double * x, double * dxdxi);
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/// Curved Elemens:
/// xi..local coordinates
/// sxi..step xi
/// x ..global coordinates
/// dxdxi...D x D Jacobian matrix (row major storage)
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DLL_HEADER void Ng_GetMultiElementTransformation (int ei, int n,
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const double * xi, size_t sxi,
double * x, size_t sx,
double * dxdxi, size_t sdxdxi);
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DLL_HEADER int Ng_GetSegmentIndex (int elnr);
DLL_HEADER NG_ELEMENT_TYPE Ng_GetSegment (int elnr, int * epi, int * np = 0);
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// Mark element for refinement
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DLL_HEADER void Ng_SetRefinementFlag (int ei, int flag);
DLL_HEADER void Ng_SetSurfaceRefinementFlag (int sei, int flag);
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// Do local refinement
enum NG_REFINEMENT_TYPE { NG_REFINE_H = 0, NG_REFINE_P = 1, NG_REFINE_HP = 2 };
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DLL_HEADER void Ng_Refine (NG_REFINEMENT_TYPE reftype);
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// Use second order elements
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DLL_HEADER void Ng_SecondOrder ();
DLL_HEADER void Ng_HighOrder (int order, bool rational = false);
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//void Ng_HPRefinement (int levels, double parameter = 0.125);
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DLL_HEADER void Ng_HPRefinement (int levels, double parameter = 0.125,
bool setorders = true,bool ref_level = false);
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// void Ng_HPRefinement (int levels);
// void Ng_HPRefinement (int levels, double parameter);
// Topology and coordinate information of master element:
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DLL_HEADER int Ng_ME_GetNVertices (NG_ELEMENT_TYPE et);
DLL_HEADER int Ng_ME_GetNEdges (NG_ELEMENT_TYPE et);
DLL_HEADER int Ng_ME_GetNFaces (NG_ELEMENT_TYPE et);
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DLL_HEADER const NG_POINT * Ng_ME_GetVertices (NG_ELEMENT_TYPE et);
DLL_HEADER const NG_EDGE * Ng_ME_GetEdges (NG_ELEMENT_TYPE et);
DLL_HEADER const NG_FACE * Ng_ME_GetFaces (NG_ELEMENT_TYPE et);
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DLL_HEADER int Ng_GetNEdges();
DLL_HEADER int Ng_GetNFaces();
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DLL_HEADER int Ng_GetElement_Edges (int elnr, int * edges, int * orient = 0);
DLL_HEADER int Ng_GetElement_Faces (int elnr, int * faces, int * orient = 0);
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DLL_HEADER int Ng_GetSurfaceElement_Edges (int selnr, int * edges, int * orient = 0);
DLL_HEADER int Ng_GetSurfaceElement_Face (int selnr, int * orient = 0);
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DLL_HEADER void Ng_GetSurfaceElementNeighbouringDomains(const int selnr, int & in, int & out);
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DLL_HEADER int Ng_GetFace_Vertices (int fnr, int * vert);
DLL_HEADER void Ng_GetEdge_Vertices (int ednr, int * vert);
DLL_HEADER int Ng_GetFace_Edges (int fnr, int * edge);
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DLL_HEADER int Ng_GetNVertexElements (int vnr);
DLL_HEADER void Ng_GetVertexElements (int vnr, int * els);
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DLL_HEADER int Ng_GetElementOrder (int enr);
DLL_HEADER void Ng_GetElementOrders (int enr, int * ox, int * oy, int * oz);
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DLL_HEADER void Ng_SetElementOrder (int enr, int order);
DLL_HEADER void Ng_SetElementOrders (int enr, int ox, int oy, int oz);
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DLL_HEADER int Ng_GetSurfaceElementOrder (int enr);
DLL_HEADER void Ng_GetSurfaceElementOrders (int enr, int * ox, int * oy);
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DLL_HEADER void Ng_SetSurfaceElementOrder (int enr, int order);
DLL_HEADER void Ng_SetSurfaceElementOrders (int enr, int ox, int oy);
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// Multilevel functions:
// number of levels:
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DLL_HEADER int Ng_GetNLevels ();
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// get two parent nodes (indeed vertices !) of node ni
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DLL_HEADER void Ng_GetParentNodes (int ni, int * parents);
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// get parent element (first child has always same number)
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DLL_HEADER int Ng_GetParentElement (int ei);
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// get parent surface element (first child has always same number)
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DLL_HEADER int Ng_GetParentSElement (int ei);
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// representant of anisotropic cluster
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DLL_HEADER int Ng_GetClusterRepVertex (int vi);
DLL_HEADER int Ng_GetClusterRepEdge (int edi);
DLL_HEADER int Ng_GetClusterRepFace (int fai);
DLL_HEADER int Ng_GetClusterRepElement (int eli);
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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
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namespace netgen {
// #include "../visualization/soldata.hpp"
class SolutionData;
}
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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
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DLL_HEADER void Ng_InitSolutionData (Ng_SolutionData * soldata);
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// set solution data
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DLL_HEADER void Ng_SetSolutionData (Ng_SolutionData * soldata);
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/// delete gridfunctions
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DLL_HEADER void Ng_ClearSolutionData();
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// redraw
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DLL_HEADER void Ng_Redraw();
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//
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DLL_HEADER void Ng_SetVisualizationParameter (const char * name,
const char * value);
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// number of periodic vertices
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DLL_HEADER int Ng_GetNPeriodicVertices (int idnr);
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// pairs should be an integer array of 2*npairs
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DLL_HEADER void Ng_GetPeriodicVertices (int idnr, int * pairs);
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// number of periodic edges
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DLL_HEADER int Ng_GetNPeriodicEdges (int idnr);
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// pairs should be an integer array of 2*npairs
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DLL_HEADER void Ng_GetPeriodicEdges (int idnr, int * pairs);
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DLL_HEADER void RunParallel ( void * (*fun)(void *), void * in);
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DLL_HEADER void Ng_PushStatus (const char * str);
DLL_HEADER void Ng_PopStatus ();
DLL_HEADER void Ng_SetThreadPercentage (double percent);
DLL_HEADER void Ng_GetStatus (char ** str, double & percent);
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DLL_HEADER void Ng_SetTerminate(void);
DLL_HEADER void Ng_UnSetTerminate(void);
DLL_HEADER int Ng_ShouldTerminate(void);
DLL_HEADER void Ng_SetRunning(int flag);
DLL_HEADER int Ng_IsRunning();
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//// added by Roman Stainko ....
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DLL_HEADER int Ng_GetVertex_Elements( int vnr, int* elems);
DLL_HEADER int Ng_GetVertex_SurfaceElements( int vnr, int* elems );
DLL_HEADER int Ng_GetVertex_NElements( int vnr );
DLL_HEADER int Ng_GetVertex_NSurfaceElements( int vnr );
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#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
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DLL_HEADER void Ng_InitPointCurve(double red, double green, double blue);
DLL_HEADER void Ng_AddPointCurvePoint(const double * point);
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#ifdef PARALLEL
void Ng_SetElementPartition ( int elnr, int part );
int Ng_GetElementPartition ( int elnr );
#endif
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DLL_HEADER void Ng_SaveMesh ( const char * meshfile );
DLL_HEADER void Ng_Bisect ( const char * refinementfile );
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// 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
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DLL_HEADER int Ng_Bisect_WithInfo ( const char * refinementfile, double ** qualityloss);
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#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
*/
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DLL_HEADER int Ng_GetNNodes (int nt);
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/*
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
*/
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DLL_HEADER int Ng_GetClosureNodes (int nt, int nodenr, int nodeset, int * nodes);
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/*
number of dim-dimensional elements
dim = 3 ... volume elements
dim = 2 ... surface elements
dim = 1 ... segments
dim = 0 ... not available
*/
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DLL_HEADER int Ng_GetNElements (int dim);
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/*
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
*/
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DLL_HEADER int Ng_GetElementClosureNodes (int dim, int elementnr, int nodeset, int * nodes);
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struct Ng_Tcl_Interp;
typedef int (Ng_Tcl_CmdProc) (Ng_Tcl_Interp *interp, int argc, const char *argv[]);
DLL_HEADER void Ng_Tcl_CreateCommand (Ng_Tcl_Interp * interp,
const char * cmdName, Ng_Tcl_CmdProc * proc);
void Ng_Tcl_SetResult (Ng_Tcl_Interp * interp, const char * result);
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}
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#ifdef __cplusplus
#include <iostream>
namespace netgen
{
DLL_HEADER extern std::ostream * testout;
DLL_HEADER extern int printmessage_importance;
}
#endif