mirror of
https://github.com/NGSolve/netgen.git
synced 2024-12-31 00:00:33 +05:00
486 lines
15 KiB
C++
486 lines
15 KiB
C++
#ifndef NGINTERFACE
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#define NGINTERFACE
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/**************************************************************************/
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/* File: nginterface.h */
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/* Author: Joachim Schoeberl */
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/* Date: 20. Nov. 99 */
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/**************************************************************************/
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/*
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Application program interface to Netgen
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*/
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#ifdef WIN32
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#if NGINTERFACE_EXPORTS || NGLIB_EXPORTS || nglib_EXPORTS
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#define DLL_HEADER __declspec(dllexport)
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#else
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#define DLL_HEADER __declspec(dllimport)
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#endif
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#else
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#if __GNUC__ >= 4
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#define DLL_HEADER __attribute__ ((visibility ("default")))
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#else
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#define DLL_HEADER
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#endif
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#endif
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// max number of nodes per element
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#define NG_ELEMENT_MAXPOINTS 12
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// max number of nodes per surface element
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#define NG_SURFACE_ELEMENT_MAXPOINTS 8
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// implemented element types:
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enum NG_ELEMENT_TYPE {
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NG_PNT = 0,
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NG_SEGM = 1, NG_SEGM3 = 2,
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NG_TRIG = 10, NG_QUAD=11, NG_TRIG6 = 12, NG_QUAD6 = 13,
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NG_TET = 20, NG_TET10 = 21,
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NG_PYRAMID = 22, NG_PRISM = 23, NG_PRISM12 = 24,
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NG_HEX = 25
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};
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typedef double NG_POINT[3]; // coordinates
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typedef int NG_EDGE[2]; // initial point, end point
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typedef int NG_FACE[4]; // points, last one is 0 for trig
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#ifdef __cplusplus
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extern "C" {
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#endif
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// load geometry 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 const char * Ng_GetElementMaterial (int ei);
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// Get Material of domain dom
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DLL_HEADER const char * Ng_GetDomainMaterial (int dom);
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// Get User Data
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DLL_HEADER int Ng_GetUserDataSize (char * id);
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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);
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// 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);
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// Get BCName for bc-number of co dim 2
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DLL_HEADER char * Ng_GetCD2NumCD2Name (int cd2nr);
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// 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,
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int build_searchtrees = 0,
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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,
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int build_searchtrees = 0,
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const int * const indices = NULL, const int numind = 0);
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// is element ei curved ?
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DLL_HEADER int Ng_IsElementCurved (int ei);
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// is element sei curved ?
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DLL_HEADER int Ng_IsSurfaceElementCurved (int sei);
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/// Curved Elements:
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/// xi..local coordinates
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/// x ..global coordinates
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/// dxdxi...D x D Jacobian matrix (row major storage)
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DLL_HEADER void Ng_GetElementTransformation (int ei, const double * xi,
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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,
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double * x, double * dxdxi,
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void * buffer, int buffervalid);
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/// Curved Elements:
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/// xi..local coordinates
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/// x ..global coordinates
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/// dxdxi...D x D-1 Jacobian matrix (row major storage)
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/// curved ...is element curved ?
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DLL_HEADER void Ng_GetSurfaceElementTransformation (int sei, const double * xi,
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double * x, double * dxdxi);
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/// Curved Elements:
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/// xi..local coordinates
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/// sxi..step xi
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/// x ..global coordinates
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/// 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,
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double * x, size_t sx,
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double * dxdxi, size_t sdxdxi);
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DLL_HEADER int Ng_GetSegmentIndex (int elnr);
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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);
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DLL_HEADER void Ng_SetSurfaceRefinementFlag (int sei, int flag);
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// Do local refinement
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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 ();
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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,
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bool setorders = true,bool ref_level = false);
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// void Ng_HPRefinement (int levels);
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// void Ng_HPRefinement (int levels, double parameter);
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// Topology and coordinate information of master element:
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DLL_HEADER int Ng_ME_GetNVertices (NG_ELEMENT_TYPE et);
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DLL_HEADER int Ng_ME_GetNEdges (NG_ELEMENT_TYPE et);
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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);
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DLL_HEADER const NG_EDGE * Ng_ME_GetEdges (NG_ELEMENT_TYPE et);
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DLL_HEADER const NG_FACE * Ng_ME_GetFaces (NG_ELEMENT_TYPE et);
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DLL_HEADER void Ng_UpdateTopology();
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DLL_HEADER int Ng_GetNEdges();
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DLL_HEADER int Ng_GetNFaces();
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DLL_HEADER int Ng_GetElement_Edges (int elnr, int * edges, int * orient = 0);
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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);
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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);
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DLL_HEADER void Ng_GetEdge_Vertices (int ednr, int * vert);
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DLL_HEADER int Ng_GetFace_Edges (int fnr, int * edge);
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DLL_HEADER int Ng_GetNVertexElements (int vnr);
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DLL_HEADER void Ng_GetVertexElements (int vnr, int * els);
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DLL_HEADER int Ng_GetElementOrder (int enr);
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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);
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DLL_HEADER void Ng_SetElementOrders (int enr, int ox, int oy, int oz);
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DLL_HEADER int Ng_GetSurfaceElementOrder (int enr);
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DLL_HEADER void Ng_GetSurfaceElementOrders (int enr, int * ox, int * oy);
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DLL_HEADER void Ng_SetSurfaceElementOrder (int enr, int order);
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DLL_HEADER void Ng_SetSurfaceElementOrders (int enr, int ox, int oy);
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// Multilevel functions:
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// 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);
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DLL_HEADER int Ng_GetClusterRepEdge (int edi);
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DLL_HEADER int Ng_GetClusterRepFace (int fai);
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DLL_HEADER int Ng_GetClusterRepElement (int eli);
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void Ng_SurfaceElementTransformation (int eli, double x, double y,
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double * p3d, double * jacobian);
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#ifdef PARALLEL
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// the following functions are 0-base !!
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// number on distant processor
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// returns pairs (dist_proc, num_on_dist_proc)
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int NgPar_GetDistantNodeNums ( int nodetype, int locnum, int * pnums );
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int NgPar_GetNDistantNodeNums ( int nodetype, int locnum );
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int NgPar_GetGlobalNodeNum (int nodetype, int locnum);
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#endif
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namespace netgen {
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// #include "../visualization/soldata.hpp"
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class SolutionData;
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class MouseEventHandler;
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class UserVisualizationObject;
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}
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enum Ng_SolutionType
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{ NG_SOLUTION_NODAL = 1,
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NG_SOLUTION_ELEMENT = 2,
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NG_SOLUTION_SURFACE_ELEMENT = 3,
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NG_SOLUTION_NONCONTINUOUS = 4,
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NG_SOLUTION_SURFACE_NONCONTINUOUS = 5,
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NG_SOLUTION_VIRTUAL_FUNCTION = 6,
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NG_SOLUTION_MARKED_ELEMENTS = 10,
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NG_SOLUTION_ELEMENT_ORDER = 11
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};
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struct Ng_SolutionData
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{
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string name; // name of gridfunction
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double * data; // solution values
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int components; // relevant (double) components in solution vector
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int dist; // # doubles per entry alignment!
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int iscomplex; // complex vector ?
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bool draw_surface;
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bool draw_volume;
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int order; // order of elements, only partially supported
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Ng_SolutionType soltype; // type of solution function
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netgen::SolutionData * solclass;
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};
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// 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(bool blocking = false);
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///
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DLL_HEADER void Ng_TclCmd(string cmd);
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///
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DLL_HEADER void Ng_SetMouseEventHandler (netgen::MouseEventHandler * handler);
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///
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DLL_HEADER void Ng_SetUserVisualizationObject (netgen::UserVisualizationObject * vis);
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//
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DLL_HEADER void Ng_SetVisualizationParameter (const char * name,
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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);
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DLL_HEADER void Ng_PopStatus ();
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DLL_HEADER void Ng_SetThreadPercentage (double percent);
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DLL_HEADER void Ng_GetStatus (char ** str, double & percent);
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DLL_HEADER void Ng_SetTerminate(void);
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DLL_HEADER void Ng_UnSetTerminate(void);
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DLL_HEADER int Ng_ShouldTerminate(void);
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DLL_HEADER void Ng_SetRunning(int flag);
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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);
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DLL_HEADER int Ng_GetVertex_SurfaceElements( int vnr, int* elems );
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DLL_HEADER int Ng_GetVertex_NElements( int vnr );
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DLL_HEADER int Ng_GetVertex_NSurfaceElements( int vnr );
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#ifdef SOCKETS
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int Ng_SocketClientOpen( const int port, const char * host );
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void Ng_SocketClientWrite( const char * write, char ** reply);
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void Ng_SocketClientClose ( void );
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void Ng_SocketClientGetServerHost ( const int number, char ** host );
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void Ng_SocketClientGetServerPort ( const int number, int * port );
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void Ng_SocketClientGetServerClientID ( const int number, int * id );
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#endif
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DLL_HEADER void Ng_InitPointCurve(double red, double green, double blue);
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DLL_HEADER void Ng_AddPointCurvePoint(const double * point);
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#ifdef PARALLEL
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void Ng_SetElementPartition ( int elnr, int part );
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int Ng_GetElementPartition ( int elnr );
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#endif
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DLL_HEADER void Ng_SaveMesh ( const char * meshfile );
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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)
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// 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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typedef void * Ng_Mesh;
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DLL_HEADER Ng_Mesh Ng_SelectMesh (Ng_Mesh mesh);
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DLL_HEADER void Ng_GetArgs (int & argc, char ** &argv);
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#ifdef __cplusplus
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}
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#endif
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#endif
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/*
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The new node interface ...
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it is 0-based !
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*/
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extern "C" {
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/*
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number of nodes of type nt
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nt = 0 is Vertex
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nt = 1 is Edge
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nt = 2 is Face
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nt = 3 is Cell
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*/
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DLL_HEADER int Ng_GetNNodes (int nt);
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/*
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closure nodes of node (nt, nodenr):
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nodeset is bit-coded, bit 0 includes Vertices, bit 1 edges, etc
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E.g., nodeset = 6 includes edge and face nodes
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nodes consists of pairs of integers (nodetype, nodenr)
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return value is number of nodes
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*/
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DLL_HEADER int Ng_GetClosureNodes (int nt, int nodenr, int nodeset, int * nodes);
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/*
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number of dim-dimensional elements
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dim = 3 ... volume elements
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dim = 2 ... surface elements
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dim = 1 ... segments
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dim = 0 ... not available
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*/
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DLL_HEADER int Ng_GetNElements (int dim);
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/*
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closure nodes of dim-dimensional element elmentnr:
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nodeset is bit-coded, bit 0 includes Vertices, bit 1 edges, etc
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E.g., nodeset = 6 includes edge and face nodes
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nodes consists of pairs of integers (nodetype, nodenr)
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return value is number of nodes
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*/
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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;
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typedef int (Ng_Tcl_CmdProc) (Ng_Tcl_Interp *interp, int argc, const char *argv[]);
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DLL_HEADER void Ng_Tcl_CreateCommand (Ng_Tcl_Interp * interp,
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const char * cmdName, Ng_Tcl_CmdProc * proc);
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void Ng_Tcl_SetResult (Ng_Tcl_Interp * interp, const char * result);
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}
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#ifdef __cplusplus
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#include <iostream>
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namespace netgen
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{
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DLL_HEADER extern std::ostream * testout;
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DLL_HEADER extern int printmessage_importance;
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}
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#endif
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