| /*---------------------------------------------------------------------------*\ | |
| ========= | | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | |
| \\ / O peration | Website: https://openfoam.org | |
| \\ / A nd | Copyright (C) 2011-2023 OpenFOAM Foundation | |
| \\/ M anipulation | | |
| ------------------------------------------------------------------------------- | |
| 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::treeDataPrimitivePatch | |
| Description | |
| Encapsulation of data needed to search on PrimitivePatches | |
| SourceFiles | |
| treeDataPrimitivePatch.C | |
| \*---------------------------------------------------------------------------*/ | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| namespace Foam | |
| { | |
| // Forward declaration of classes | |
| template<class Type> class indexedOctree; | |
| /*---------------------------------------------------------------------------*\ | |
| Class treeDataPrimitivePatchName Declaration | |
| \*---------------------------------------------------------------------------*/ | |
| TemplateName(treeDataPrimitivePatch); | |
| /*---------------------------------------------------------------------------*\ | |
| Class treeDataPrimitivePatch Declaration | |
| \*---------------------------------------------------------------------------*/ | |
| template<class PatchType> | |
| class treeDataPrimitivePatch | |
| : | |
| public treeDataPrimitivePatchName | |
| { | |
| // Private Data | |
| //- Underlying geometry | |
| const PatchType& patch_; | |
| //- Whether to precalculate and store face bounding box | |
| const bool cacheBb_; | |
| //- Tolerance to use for intersection tests | |
| const scalar planarTol_; | |
| //- Face bounding boxes (valid only if cacheBb_) | |
| treeBoundBoxList bbs_; | |
| // Private Member Functions | |
| //- Calculate face bounding box | |
| static treeBoundBox calcBb(const pointField&, const face&); | |
| //- Initialise all member data | |
| void update(); | |
| public: | |
| class findNearestOp | |
| { | |
| const indexedOctree<treeDataPrimitivePatch>& tree_; | |
| public: | |
| findNearestOp(const indexedOctree<treeDataPrimitivePatch>& tree); | |
| void operator() | |
| ( | |
| const labelUList& indices, | |
| const point& sample, | |
| scalar& nearestDistSqr, | |
| label& minIndex, | |
| point& nearestPoint | |
| ) const; | |
| //- Calculates nearest (to line) point in shape. | |
| // Returns point and distance (squared) | |
| void operator() | |
| ( | |
| const labelUList& indices, | |
| const linePointRef& ln, | |
| treeBoundBox& tightest, | |
| label& minIndex, | |
| point& linePoint, | |
| point& nearestPoint | |
| ) const; | |
| }; | |
| class findIntersectOp | |
| { | |
| const indexedOctree<treeDataPrimitivePatch>& tree_; | |
| public: | |
| findIntersectOp(const indexedOctree<treeDataPrimitivePatch>& tree); | |
| //- Calculate intersection of any face with ray. Sets result | |
| // accordingly. Used to find first intersection. | |
| bool operator() | |
| ( | |
| const label index, | |
| const point& start, | |
| const point& end, | |
| point& intersectionPoint | |
| ) const; | |
| }; | |
| class findAllIntersectOp | |
| { | |
| const indexedOctree<treeDataPrimitivePatch>& tree_; | |
| DynamicList<label>& shapeMask_; | |
| public: | |
| findAllIntersectOp | |
| ( | |
| const indexedOctree<treeDataPrimitivePatch>& tree, | |
| DynamicList<label>& shapeMask | |
| ); | |
| //- Calculate intersection of unique face with ray. Sets result | |
| // accordingly. Used to find all faces. | |
| bool operator() | |
| ( | |
| const label index, | |
| const point& start, | |
| const point& end, | |
| point& intersectionPoint | |
| ) const; | |
| }; | |
| class findSelfIntersectOp | |
| { | |
| const indexedOctree<treeDataPrimitivePatch>& tree_; | |
| const label edgeIndex_; | |
| public: | |
| findSelfIntersectOp | |
| ( | |
| const indexedOctree<treeDataPrimitivePatch>& tree, | |
| const label edgeID | |
| ); | |
| //- Calculate intersection of face with edge of patch. Excludes | |
| // faces that use edgeID. Used to find self intersection. | |
| bool operator() | |
| ( | |
| const label index, | |
| const point& start, | |
| const point& end, | |
| point& intersectionPoint | |
| ) const; | |
| }; | |
| // Constructors | |
| //- Construct from patch. | |
| treeDataPrimitivePatch | |
| ( | |
| const bool cacheBb, | |
| const PatchType&, | |
| const scalar planarTol | |
| ); | |
| // Member Functions | |
| // Access | |
| label size() const | |
| { | |
| return patch_.size(); | |
| } | |
| //- Get representative point cloud for all shapes inside | |
| // (one point per shape) | |
| pointField shapePoints() const; | |
| //- Return access to the underlying patch | |
| const PatchType& patch() const | |
| { | |
| return patch_; | |
| } | |
| // Search | |
| //- Get type (inside,outside,mixed,unknown) of point w.r.t. surface. | |
| // Only makes sense for closed surfaces. | |
| volumeType getVolumeType | |
| ( | |
| const indexedOctree<treeDataPrimitivePatch<PatchType>>&, | |
| const point& | |
| ) const; | |
| //- Does shape at index overlap bb | |
| bool overlaps | |
| ( | |
| const label index, | |
| const treeBoundBox& sampleBb | |
| ) const; | |
| //- Does shape at index overlap sphere | |
| bool overlaps | |
| ( | |
| const label index, | |
| const point& centre, | |
| const scalar radiusSqr | |
| ) const; | |
| //- Helper: find intersection of line with shapes | |
| static bool findIntersection | |
| ( | |
| const indexedOctree<treeDataPrimitivePatch<PatchType>>& tree, | |
| const label index, | |
| const point& start, | |
| const point& end, | |
| point& intersectionPoint | |
| ); | |
| }; | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| } // End namespace Foam | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| // ************************************************************************* // | |