SMESHsurfaceFormat.C
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1 /*---------------------------------------------------------------------------*\
2  ========= |
3  \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4  \\ / O peration |
5  \\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
6  \\/ M anipulation |
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25 
26 #include "SMESHsurfaceFormat.H"
27 #include "clock.H"
28 #include "IFstream.H"
29 #include "OFstream.H"
30 #include "Ostream.H"
31 
32 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
33 
34 template<class Face>
36 {}
37 
38 
39 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
40 
41 template<class Face>
43 (
44  const fileName& filename,
45  const MeshedSurfaceProxy<Face>& surf
46 )
47 {
48  const pointField& pointLst = surf.points();
49  const List<Face>& faceLst = surf.faces();
50  const List<label>& faceMap = surf.faceMap();
51 
52  const List<surfZone>& zones =
53  (
54  surf.surfZones().empty()
55  ? surfaceFormatsCore::oneZone(faceLst)
56  : surf.surfZones()
57  );
58 
59  const bool useFaceMap = (surf.useFaceMap() && zones.size() > 1);
60 
61 
62  OFstream os(filename);
63  if (!os.good())
64  {
66  (
67  "fileFormats::SMESHsurfaceFormat::write"
68  "(const fileName&, const MeshedSurfaceProxy<Face>&)"
69  )
70  << "Cannot open file for writing " << filename
71  << exit(FatalError);
72  }
73 
74 
75  // Write header
76  os << "# tetgen .smesh file written " << clock::dateTime().c_str() << nl
77  << "# <points count=\"" << pointLst.size() << "\">" << nl
78  << pointLst.size() << " 3" << nl; // 3: dimensions
79 
80  // Write vertex coords
81  forAll(pointLst, ptI)
82  {
83  const point& pt = pointLst[ptI];
84 
85  os << ptI << ' ' << pt.x() << ' ' << pt.y() << ' ' << pt.z() << nl;
86  }
87  os << "# </points>" << nl
88  << nl
89  << "# <faces count=\"" << faceLst.size() << "\">" << endl;
90 
91  os << faceLst.size() << " 1" << endl; // one attribute: zone number
92 
93 
94  label faceIndex = 0;
95  forAll(zones, zoneI)
96  {
97  const surfZone& zone = zones[zoneI];
98 
99  if (useFaceMap)
100  {
101  forAll(zone, localFaceI)
102  {
103  const Face& f = faceLst[faceMap[faceIndex++]];
104 
105  os << f.size();
106  forAll(f, fp)
107  {
108  os << ' ' << f[fp];
109  }
110  os << ' ' << zoneI << endl;
111  }
112  }
113  else
114  {
115  forAll(zones[zoneI], localFaceI)
116  {
117  const Face& f = faceLst[faceIndex++];
118 
119  os << f.size();
120  forAll(f, fp)
121  {
122  os << ' ' << f[fp];
123  }
124  os << ' ' << zoneI << endl;
125  }
126  }
127  }
128 
129  // write tail
130 
131  os << "# </faces>" << nl
132  << nl
133  << "# no holes or regions:" << nl
134  << '0' << nl // holes
135  << '0' << endl; // regions
136 }
137 
138 
139 // ************************************************************************* //
Output to file stream.
Definition: OFstream.H:81
Pair< int > faceMap(const label facePi, const face &faceP, const label faceNi, const face &faceN)
bool useFaceMap() const
Use faceMap?
labelList f(nPoints)
A proxy for writing MeshedSurface, UnsortedMeshedSurface and surfMesh to various file formats...
Definition: MeshedSurface.H:73
intWM_LABEL_SIZE_t label
A label is an int32_t or int64_t as specified by the pre-processor macro WM_LABEL_SIZE.
Definition: label.H:59
void size(const label)
Override size to be inconsistent with allocated storage.
Definition: ListI.H:76
errorManipArg< error, int > exit(error &err, const int errNo=1)
Definition: errorManip.H:124
const pointField & points() const
Return const access to the points.
const List< Face > & faces() const
Return const access to the faces.
static const char nl
Definition: Ostream.H:260
const Cmpt & y() const
Definition: VectorI.H:71
Ostream & endl(Ostream &os)
Add newline and flush stream.
Definition: Ostream.H:251
Base class for zones.
Definition: zone.H:57
const List< surfZone > & surfZones() const
Const access to the surface zones.
#define forAll(list, i)
Definition: UList.H:421
bool good() const
Return true if next operation might succeed.
Definition: IOstream.H:333
const Cmpt & x() const
Definition: VectorI.H:65
const Cmpt & z() const
Definition: VectorI.H:77
A surface zone on a MeshedSurface.
Definition: surfZone.H:62
#define FatalErrorIn(functionName)
Report an error message using Foam::FatalError.
Definition: error.H:314
error FatalError
A class for handling file names.
Definition: fileName.H:69
const List< label > & faceMap() const
Const access to the faceMap, zero-sized when unused.
static void write(const fileName &, const MeshedSurfaceProxy< Face > &)
Write surface mesh components by proxy.