conformationSurfaces.H

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
    Copyright (C) 2012-2016 OpenFOAM Foundation
-------------------------------------------------------------------------------
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::conformationSurfaces
 
Description
 
SourceFiles
    conformationSurfacesI.H
    conformationSurfaces.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef conformationSurfaces_H
#define conformationSurfaces_H
 
#include "searchableSurfaces.H"
#include "searchableSurfacesQueries.H"
#include "extendedFeatureEdgeMesh.H"
#include "boolList.H"
#include "volumeType.H"
#include "surfaceZonesInfo.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                    Class conformationSurfaces Declaration
\*---------------------------------------------------------------------------*/
 
class conformationSurfaces
{
    typedef extendedFeatureEdgeMesh::sideVolumeType sideVolumeType;
 
    // Private data
 
        const Time& runTime_;
 
        Random& rndGen_;
 
        //- Reference to the searchableSurfaces object holding all geometry data
        const searchableSurfaces& allGeometry_;
 
        //- A list of extendedFeatureEdgeMesh
        PtrList<extendedFeatureEdgeMesh> features_;
 
        //- The location in the mesh that specifies which portion of surfaces is
        //  to be meshed.
        point locationInMesh_;
 
        //- Indices of surfaces in allGeometry that are to be conformed to
        labelList surfaces_;
 
        //- Reverse mapping, which entry in surfaces corresponds to the surface
        //  in allGeometry specified by the list index.  -1 for a surface that
        //  isn't used.
        labelList allGeometryToSurfaces_;
 
        //- A boolean value for each surface to be conformed to specifying if it
        //  is to be treated as a baffle
        List<sideVolumeType> normalVolumeTypes_;
 
        //- A flat list of all of the names of the patches from all of the
        //  surfaces to be reproduced in the meshed geometry
        List<word> patchNames_;
 
        //- List of surface zone (face and cell zone) information
        PtrList<surfaceZonesInfo> surfZones_;
 
        //- The offset between the patch indices of the individual surface and
        //  the entry in the overall patch list
        labelList regionOffset_;
 
        //- From global region number to patchType
        PtrList<dictionary> patchInfo_;
 
        //- The overall boundBox of all of the surfaces to be conformed to
        treeBoundBox globalBounds_;
 
        //- The pattern/signature of volumeTypes representing a point in the
        // domain to be meshed
        List<volumeType> referenceVolumeTypes_;
 
 
    // Private Member Functions
 
        void hasBoundedVolume(List<volumeType>& referenceVolumeTypes) const;
 
        //- Read into features_ from a dictionary
        void readFeatures
        (
            const label surfI,
            const dictionary& featureDict,
            const word& surfaceName,
            label& featureIndex
        );
 
        void readFeatures
        (
            const dictionary& featureDict,
            const word& surfaceName,
            label& featureIndex
        );
 
        //- No copy construct
        conformationSurfaces(const conformationSurfaces&) = delete;
 
        //- No copy assignment
        void operator=(const conformationSurfaces&) = delete;
 
 
public:
 
    //- Runtime type information
    ClassName("conformationSurfaces");
 
 
    // Constructors
 
        //- Construct from dictionary and references to conformalVoronoiMesh and
        //  searchableSurfaces
        conformationSurfaces
        (
            const Time& runTime,
            Random& rndGen,
            const searchableSurfaces& allGeometry,
            const dictionary& surfaceConformationDict
        );
 
    //- Destructor
    ~conformationSurfaces() = default;
 
 
    // Member Functions
 
        // Access
 
            //- Return reference to the searchableSurfaces object containing all
            //  of the geometry
            inline const searchableSurfaces& geometry() const;
 
            //- Return the object holding the feature points and edges
            inline const PtrList<extendedFeatureEdgeMesh>& features() const;
 
            //- Return the location to mesh
            inline const point& locationInMesh() const;
 
            //- Return the surface indices
            inline const labelList& surfaces() const;
 
            //- Return the patch names
            inline const List<word>& patchNames() const;
 
            //- Return the surfaceZonesInfo
            inline const PtrList<surfaceZonesInfo>& surfZones() const;
 
            //- Return the patch info
            inline const PtrList<dictionary>& patchInfo() const;
 
            //- Return the global bounds
            inline const treeBoundBox& globalBounds() const;
 
 
        // Query
 
            //- Check if the supplied bound box overlaps any part of any of
            //  the surfaces
            bool overlaps(const treeBoundBox& bb) const;
 
            //- Check if points are inside surfaces to conform to
            Field<bool> inside(const pointField& samplePts) const;
 
            //- Check if point is inside surfaces to conform to
            bool inside(const point& samplePt) const;
 
            //- Check if points are outside surfaces to conform to
            Field<bool> outside(const pointField& samplePts) const;
 
            //- Check if point is outside surfaces to conform to
            bool outside(const point& samplePt) const;
 
            //- Check if point is closer to the surfaces to conform to than
            //  testDistSqr, in which case return false, otherwise assess in or
            //  outside and return a result depending on the testForInside flag
            Field<bool> wellInOutSide
            (
                const pointField& samplePts,
                const scalarField& testDistSqr,
                bool testForInside
            ) const;
 
            //- Check if point is inside surfaces to conform to by at least
            //  testDistSqr
            Field<bool> wellInside
            (
                const pointField& samplePts,
                const scalarField& testDistSqr
            ) const;
 
            bool wellInside
            (
                const point& samplePt,
                scalar testDistSqr
            ) const;
 
            //- Check if point is outside surfaces to conform to by at least
            //  testDistSqr
            Field<bool> wellOutside
            (
                const pointField& samplePts,
                const scalarField& testDistSqr
            ) const;
 
            bool wellOutside
            (
                const point& samplePt,
                scalar testDistSqr
            ) const;
 
            // Finding if the line joining start and end intersects the surface
            bool findSurfaceAnyIntersection
            (
                const point& start,
                const point& end
            ) const;
 
            //- Finding if the line joining start and end intersects the surface
            //  and returning the hit and surface information
            void findSurfaceAnyIntersection
            (
                const point& start,
                const point& end,
                pointIndexHit& surfHit,
                label& hitSurface
            ) const;
 
            void findSurfaceAllIntersections
            (
                const point& start,
                const point& end,
                List<pointIndexHit>& surfHit,
                labelList& hitSurface
            ) const;
 
            //- Finding the nearestIntersection of the surface to start
            void findSurfaceNearestIntersection
            (
                const point& start,
                const point& end,
                pointIndexHit& surfHit,
                label& hitSurface
            ) const;
 
            //- Find the nearest point to the sample and return it to the
            //  pointIndexHit
            void findSurfaceNearest
            (
                const point& sample,
                scalar nearestDistSqr,
                pointIndexHit& surfHit,
                label& hitSurface
            ) const;
 
            void findSurfaceNearest
            (
                const pointField& samples,
                const scalarField& nearestDistSqr,
                List<pointIndexHit>& hitInfo,
                labelList& hitSurfaces
            ) const;
 
            //- Find the nearest point on any feature edge
            void findFeaturePointNearest
            (
                const point& sample,
                scalar nearestDistSqr,
                pointIndexHit& fpHit,
                label& featureHit
            ) const;
 
            //- Find the nearest point on any feature edge
            void findEdgeNearest
            (
                const point& sample,
                scalar nearestDistSqr,
                pointIndexHit& edgeHit,
                label& featureHit
            ) const;
 
            void findEdgeNearest
            (
                const pointField& samples,
                const scalarField& nearestDistsSqr,
                List<pointIndexHit>& edgeHits,
                labelList& featuresHit
            ) const;
 
            //- Find the nearest point on each type of feature edge
            void findEdgeNearestByType
            (
                const point& sample,
                scalar nearestDistSqr,
                List<pointIndexHit>& edgeHit,
                List<label>& featuresHit
            ) const;
 
            //- Find the nearest points on each feature edge that is within
            //  a given distance from the sample point. Will need to check for
            //  a hit or a miss because near edges may not have a nearest point
            //  on them which is perpendicular to the sample point.
            void findAllNearestEdges
            (
                const point& sample,
                const scalar searchRadiusSqr,
                List<List<pointIndexHit>>& edgeHitsByFeature,
                List<label>& featuresHit
            ) const;
 
            //- Get the region number of a hit surface
            label getPatchID
            (
                const label hitSurface,
                const pointIndexHit& surfHit
            ) const;
 
            //- Find which patch is intersected by the line from one point to
            //  another
            label findPatch(const point& ptA, const point& ptB) const;
 
            //- Find which patch is closest to the point
            label findPatch(const point& pt) const;
 
            //- Is the surface a baffle.
            extendedFeatureEdgeMesh::sideVolumeType meshableSide
            (
                const label hitSurface,
                const pointIndexHit& surfHit
            ) const;
 
            void getNormal
            (
                const label hitSurface,
                const List<pointIndexHit>& surfHit,
                vectorField& normal
            ) const;
 
 
        // Write
 
            //- Write all components of all the extendedFeatureEdgeMeshes as
            //  an obj file
            void writeFeatureObj(const fileName& prefix) const;
 
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "conformationSurfacesI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //