ensightCells.H 7.99 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106
/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2016-2020 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.

Class
    Foam::ensightCells

Description
    Sorting/classification of cells (3D) into corresponding ensight element
    types.

\*---------------------------------------------------------------------------*/

#ifndef ensightCells_H
#define ensightCells_H

#include "ensightPart.H"
#include "FixedList.H"
#include "Map.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

// Forward Declarations
class bitSet;
class polyMesh;

/*---------------------------------------------------------------------------*\
                        Class ensightCells Declaration
\*---------------------------------------------------------------------------*/

class ensightCells
:
    public ensightPart
{
public:

    // Public Data

        //- Supported ensight 'Cell' element types
        //  Must be zero-based since they are also for internal bookkeeping.
        enum elemType
        {
            TETRA4 = 0, //!< "tetra4"
            PYRAMID5,   //!< "pyramid5"
            PENTA6,     //!< "penta6"
            HEXA8,      //!< "hexa8"
            NFACED      //!< "nfaced"
        };

        //- Number of 'Cell' element types (5)
        static constexpr int nTypes = 5;

        //- The ensight 'Cell' element type names
        static const char* elemNames[nTypes];


    // Static Functions

        //- The ensight element name for the specified 'Cell' type
        inline static const char* key(const elemType etype);


private:

    // Private Data

        //- Begin/end offsets for address of each element type
        FixedList<label, nTypes+1> offsets_;

        //- List of global sizes for each element type.
        //  Used temporarily for local sizes when building the element lists.
        FixedList<label, nTypes> sizes_;


    // Private Member Functions

        //- Low-level internal addition routine
        inline void add(const elemType etype, label id);

        //- Use temporarily stored sizes to redimension the element lists
        void resizeAll();

107 108
        //- Classify cell types, set element lists for selection
        //  (implementation)
109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280
        template<class Addressing>
        void classifyImpl(const polyMesh& mesh, const Addressing& cellIds);


        label meshPointMapppings
        (
            const polyMesh& mesh,
            labelList& pointToGlobal,  // Can also be labelList::null()
            labelList& uniqueMeshPointLabels,
            bool parallel
        ) const;


        //- Write cell connectivity for polyhedral cells
        static void writePolysConnectivity
        (
            ensightGeoFile& os,
            const polyMesh& mesh,
            const ensightCells& part,
            const labelList& pointToGlobal,
            bool parallel
        );

        //- Write cell connectivity for specified (non-poly) type
        static void writeShapeConnectivity
        (
            ensightGeoFile& os,
            const polyMesh& mesh,
            const ensightCells::elemType etype,
            const ensightCells& part,
            const labelList& pointToGlobal,
            bool parallel
        );


public:

    //- Declare type-name, virtual type (with debug switch)
    TypeName("ensightCells");


    // Constructors

        //- Default construct, with part index 0
        ensightCells();

        //- Default construct, with description/partName
        explicit ensightCells(const string& description);


    //- Destructor
    virtual ~ensightCells() = default;



    // Member Functions

    // Access

        //- Processor-local size of all elements.
        using ensightPart::size;

        //- Processor-local size of the specified element type.
        inline label size(const elemType etype) const;

        //- Processor-local offset/size of element type.
        inline labelRange range(const elemType etype) const;

        //- The global size of all element types.
        //  This value is only meaningful after a reduce operation.
        label total() const;

        //- The global size of the specified element type.
        //  This value is only meaningful after a reduce operation.
        inline label total(const elemType etype) const;

        //- The global sizes for each element type.
        //  This value is only meaningful after a reduce operation.
        inline const FixedList<label, nTypes>& totals() const;

        //- Processor-local sizes per element type.
        FixedList<label, nTypes> sizes() const;

        //- Processor-local cell ids of all elements
        inline const labelList& cellIds() const;

        //- Processor-local cell ids of the specified element type
        inline const labelUList cellIds(const elemType etype) const;


    // Addressing

        //- Mesh point map.
        //  Map mesh point index to local (compact) point index
        Map<label> meshPointMap(const polyMesh& mesh) const;


    // Edit

        //- Classify cell types and set the element lists.
        void classify(const polyMesh& mesh);

        //- Classify cell types and set element lists,
        //- using a subgroup of cells (eg, from a cellZone etc).
        void classify(const polyMesh& mesh, const labelUList& cellIds);

        //- Classify cell types and set element lists,
        //- using a subgroup of cells
        void classify(const polyMesh& mesh, const bitSet& selection);


        //- Clear any demand-driven data
        void clearOut();

        //- Set addressable sizes to zero, free up addressing memory.
        void clear();

        //- Sum element counts across all processes.
        void reduce();

        //- Sort element lists numerically.
        void sort();


    // Advanced (use with caution)

        //- Increase cell ids by specified offset value
        //  Eg, to change zone local Ids to global Ids
        inline void incrCellIds(const label off);

        //- Decrease face ids by specified offset value
        //  Eg, to change global Ids to zone local Ids
        inline void decrCellIds(const label off);



    // Output

        //- Globally unique mesh points. Required when writing point fields.
        label uniqueMeshPoints
        (
            const polyMesh& mesh,
            labelList& uniqueMeshPointLabels,
            bool parallel
        ) const;


        //- Write information about the object as a dictionary,
        //- optionally write all element addresses
        virtual void writeDict(Ostream& os, const bool full=false) const;

        //- Write geometry, using a mesh reference (serial only)
        virtual void write
        (
            ensightGeoFile& os,
            const polyMesh& mesh,
            bool parallel
        ) const;
};


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#include "ensightCellsI.H"

#endif

// ************************************************************************* //