72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2015 Qingnan Zhou <qnzhou@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef IGL_COPYLEFT_CGAL_POINTS_INSIDE_COMPONENTS
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#define IGL_COPYLEFT_CGAL_POINTS_INSIDE_COMPONENTS
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#include "../../igl_inline.h"
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#include <Eigen/Core>
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#include <vector>
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namespace igl
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{
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namespace copyleft
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{
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namespace cgal {
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// Determine if queries points P are inside of connected facet component
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// (V, F, I), where I indicates a subset of facets that forms the
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// component.
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//
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// Precondition:
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// The input mesh must be a closed, self-intersection free,
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// non-degenerated surface. Queries points must be either inside or
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// outside of the mesh (i.e. not on the surface of the mesh).
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//
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// Inputs:
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// V #V by 3 array of vertex positions.
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// F #F by 3 array of triangles.
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// I #I list of triangle indices to consider.
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// P #P by 3 array of query points.
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//
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// Outputs:
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// inside #P list of booleans that is true iff the corresponding
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// query point is inside of the mesh.
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template<
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typename DerivedV,
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typename DerivedF,
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typename DerivedI,
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typename DerivedP,
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typename DerivedB>
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IGL_INLINE void points_inside_component(
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const Eigen::PlainObjectBase<DerivedV>& V,
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const Eigen::PlainObjectBase<DerivedF>& F,
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const Eigen::PlainObjectBase<DerivedI>& I,
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const Eigen::PlainObjectBase<DerivedP>& P,
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Eigen::PlainObjectBase<DerivedB>& inside);
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// Determine if query points P is inside of the mesh (V, F).
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// See above for precondition and I/O specs.
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template<
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typename DerivedV,
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typename DerivedF,
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typename DerivedP,
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typename DerivedB>
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IGL_INLINE void points_inside_component(
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const Eigen::PlainObjectBase<DerivedV>& V,
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const Eigen::PlainObjectBase<DerivedF>& F,
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const Eigen::PlainObjectBase<DerivedP>& P,
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Eigen::PlainObjectBase<DerivedB>& inside);
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}
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}
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}
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#ifndef IGL_STATIC_LIBRARY
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#include "points_inside_component.cpp"
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#endif
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#endif
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