mirror of
https://github.com/NGSolve/netgen.git
synced 2024-12-25 05:20:34 +05:00
* More Doxygen documentation for nglib
* Rearranging functions into logical groups
This commit is contained in:
Philippose Rajan
parent
69b63a2c25
commit
28c72a85b2
179
nglib/nglib.h
179
nglib/nglib.h
@ -110,7 +110,8 @@ public:
|
||||
|
||||
// *** Functions Exported by this Library *************
|
||||
|
||||
// General purpose initialisation / destruction functions
|
||||
// ------------------------------------------------------------------
|
||||
// Netgen library initialisation / destruction functions
|
||||
|
||||
/*! \brief Initialise the Netgen library and prepare for use
|
||||
|
||||
@ -137,7 +138,7 @@ DLL_HEADER void Ng_Exit ();
|
||||
Use the returned pointer for subsequent operations
|
||||
which involve mesh operations.
|
||||
|
||||
\return Ng_Mesh* Pointer to a Netgen Mesh type #Ng_Mesh
|
||||
\return Ng_Mesh Pointer to a Netgen Mesh type #Ng_Mesh
|
||||
*/
|
||||
DLL_HEADER Ng_Mesh * Ng_NewMesh ();
|
||||
|
||||
@ -153,8 +154,42 @@ DLL_HEADER Ng_Mesh * Ng_NewMesh ();
|
||||
DLL_HEADER void Ng_DeleteMesh (Ng_Mesh * mesh);
|
||||
|
||||
|
||||
/*! \brief Save a Netgen Mesh to disk
|
||||
|
||||
// Common Mesh related utility functions
|
||||
This function allows a generated mesh structure to be saved
|
||||
to disk.
|
||||
|
||||
A Mesh saved using this function, will be written to disk
|
||||
in the Netgen VOL file format.
|
||||
|
||||
\param mesh Pointer to an existing Netgen Mesh structure
|
||||
of type #Ng_Mesh
|
||||
\param filename Pointer to a character array containing the
|
||||
name of the file to which the mesh should
|
||||
be saved
|
||||
*/
|
||||
DLL_HEADER void Ng_SaveMesh(Ng_Mesh * mesh, const char* filename);
|
||||
|
||||
|
||||
/*! \brief Load a Netgen VOL Mesh from disk into memory
|
||||
|
||||
A Netgen mesh saved in the internal VOL format can be loaded
|
||||
into a Netgen Mesh structure using this function.
|
||||
|
||||
\param filename Pointer to a character array containing the
|
||||
name of the file to load
|
||||
\return Ng_Mesh Pointer to a Netgen Mesh type #Ng_Mesh containing
|
||||
the mesh loaded from disk
|
||||
*/
|
||||
DLL_HEADER Ng_Mesh * Ng_LoadMesh(const char* filename);
|
||||
|
||||
// ------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
// ------------------------------------------------------------------
|
||||
// Basic Meshing functions for manually adding points, surface elements
|
||||
// and volume elements to a Netgen Mesh structure
|
||||
|
||||
/*! \brief Add a point to a given Netgen Mesh Structure
|
||||
|
||||
@ -220,8 +255,126 @@ DLL_HEADER void Ng_AddSurfaceElement (Ng_Mesh * mesh, Ng_Surface_Element_Type et
|
||||
*/
|
||||
DLL_HEADER void Ng_AddVolumeElement (Ng_Mesh * mesh, Ng_Volume_Element_Type et, int * pi);
|
||||
|
||||
// ------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
// ------------------------------------------------------------------
|
||||
// Local Mesh Size restriction / limiting utilities
|
||||
|
||||
/*! \brief Apply a global restriction on mesh element size
|
||||
|
||||
This utility allows the user to apply a global mesh element
|
||||
size limitation.
|
||||
|
||||
During mesh creation, in the absence of an explicit local
|
||||
size restriction around the neighbourhood of a point within
|
||||
the meshing domain, this global size restriction will be
|
||||
utilised.
|
||||
|
||||
<b>Note</b>: This function only limits the <b>Maximum</b>
|
||||
size of an element within the mesh.
|
||||
|
||||
\param mesh Pointer to an existing Netgen Mesh structure of
|
||||
type #Ng_Mesh
|
||||
\param h Variable of type <i>double</i>, specifying the maximum
|
||||
allowable mesh size
|
||||
*/
|
||||
DLL_HEADER void Ng_RestrictMeshSizeGlobal (Ng_Mesh * mesh, double h);
|
||||
|
||||
|
||||
/*! \brief Locally restrict the mesh element size at the given point
|
||||
|
||||
Unlike the function #Ng_RestrictMeshSizeGlobal, this function
|
||||
allows the user to locally restrict the maximum allowable mesh
|
||||
size at a given point.
|
||||
|
||||
The point is specified via its three cartesian co-ordinates.
|
||||
|
||||
<b>Note</b>: This function only limits the <b>Maximum</b> size
|
||||
of the elements around the specified point.
|
||||
|
||||
\param mesh Pointer to an existing Netgen Mesh structure of
|
||||
type #Ng_Mesh
|
||||
\param p Pointer to an Array of type <i>double</i>, containing
|
||||
the three co-ordinates of the point in the form: \n
|
||||
- p[0] = X co-ordinate
|
||||
- p[1] = Y co-ordinate
|
||||
- p[2] = Z co-ordinate
|
||||
\param h Variable of type <i>double</i>, specifying the maximum
|
||||
allowable mesh size at that point
|
||||
*/
|
||||
DLL_HEADER void Ng_RestrictMeshSizePoint (Ng_Mesh * mesh, double * p, double h);
|
||||
|
||||
|
||||
/*! \brief Locally restrict the mesh element size within a specified box
|
||||
|
||||
Similar to the function #Ng_RestrictMeshSizePoint, this function
|
||||
allows the size of elements within a mesh to be locally limited.
|
||||
|
||||
However, rather than limit the mesh size at a single point, this
|
||||
utility restricts the local mesh size within a 3D Box region, specified
|
||||
via the co-ordinates of the two diagonally opposite points of a cuboid.
|
||||
|
||||
<b>Note</b>: This function only limits the <b>Maximum</b> size
|
||||
of the elements within the specified region.
|
||||
|
||||
\param mesh Pointer to an existing Netgen Mesh structure of
|
||||
type #Ng_Mesh
|
||||
\param pmin Pointer to an Array of type <i>double</i>, containing
|
||||
the three co-ordinates of the first point of the cuboid: \n
|
||||
- pmin[0] = X co-ordinate
|
||||
- pmin[1] = Y co-ordinate
|
||||
- pmin[2] = Z co-ordinate
|
||||
\param pmax Pointer to an Array of type <i>double</i>, containing
|
||||
the three co-ordinates of the opposite point of the
|
||||
cuboid: \n
|
||||
- pmax[0] = X co-ordinate
|
||||
- pmax[1] = Y co-ordinate
|
||||
- pmax[2] = Z co-ordinate
|
||||
\param h Variable of type <i>double</i>, specifying the maximum
|
||||
allowable mesh size at that point
|
||||
*/
|
||||
DLL_HEADER void Ng_RestrictMeshSizeBox (Ng_Mesh * mesh, double * pmin, double * pmax, double h);
|
||||
|
||||
// ------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
// ------------------------------------------------------------------
|
||||
// 3D Mesh Generation functions
|
||||
|
||||
/*! \brief Create a 3D Volume Mesh given a Surface Mesh
|
||||
|
||||
After creating a surface mesh, this function can be utilised
|
||||
to automatically generate the corresponding 3D Volume Mesh.
|
||||
|
||||
Mesh generation parameters (such as grading, maximum element size,
|
||||
etc.) are specified via the meshing parameters class which also
|
||||
needs to be passed to this function.
|
||||
|
||||
<b>Note</b>: Currently, Netgen generates pure tetrahedral volume
|
||||
meshes.
|
||||
|
||||
\param mesh Pointer to an existing Netgen Mesh structure of
|
||||
type #Ng_Mesh
|
||||
\param mp Pointer to a copy of the Meshing Parameters class
|
||||
(#Ng_Meshing_Parameters), filled up with the
|
||||
required values
|
||||
|
||||
\return Ng_Result Status of the Mesh Generation routine. More
|
||||
details regarding the return value can be
|
||||
found in the description of #Ng_Result
|
||||
*/
|
||||
DLL_HEADER Ng_Result Ng_GenerateVolumeMesh (Ng_Mesh * mesh, Ng_Meshing_Parameters * mp);
|
||||
|
||||
// ------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
// ------------------------------------------------------------------
|
||||
// Basic Mesh information functions
|
||||
|
||||
/*! \brief Returns the Number of Points present in the specified Mesh
|
||||
|
||||
Given an already existent Netgen Mesh Structure, this function
|
||||
@ -262,7 +415,14 @@ DLL_HEADER int Ng_GetNSE (Ng_Mesh * mesh);
|
||||
*/
|
||||
DLL_HEADER int Ng_GetNE (Ng_Mesh * mesh);
|
||||
|
||||
// ------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
// ------------------------------------------------------------------
|
||||
// Mesh Topology functions
|
||||
// Use these functions to extract points, surface / volume elements,
|
||||
// perform topological searches, etc..etc...
|
||||
|
||||
// Return the Point Coordinates of a specified Point
|
||||
// The x, y and z co-ordinates are returned in the array pointer as
|
||||
@ -278,18 +438,7 @@ Ng_GetSurfaceElement (Ng_Mesh * mesh, int num, int * pi);
|
||||
DLL_HEADER Ng_Volume_Element_Type
|
||||
Ng_GetVolumeElement (Ng_Mesh * mesh, int num, int * pi);
|
||||
|
||||
|
||||
// Defines MeshSize Functions
|
||||
DLL_HEADER void Ng_RestrictMeshSizeGlobal (Ng_Mesh * mesh, double h);
|
||||
DLL_HEADER void Ng_RestrictMeshSizePoint (Ng_Mesh * mesh, double * p, double h);
|
||||
DLL_HEADER void Ng_RestrictMeshSizeBox (Ng_Mesh * mesh, double * pmin, double * pmax, double h);
|
||||
|
||||
// generates volume mesh from surface mesh
|
||||
DLL_HEADER Ng_Result Ng_GenerateVolumeMesh (Ng_Mesh * mesh, Ng_Meshing_Parameters * mp);
|
||||
|
||||
DLL_HEADER void Ng_SaveMesh(Ng_Mesh * mesh, const char* filename);
|
||||
DLL_HEADER Ng_Mesh * Ng_LoadMesh(const char* filename);
|
||||
|
||||
// ------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user