Mesh.hh 54.9 KB
Newer Older
1 2 3
#ifndef OPENMESH_PYTHON_MESH_HH
#define OPENMESH_PYTHON_MESH_HH

Alexander Dielen's avatar
Alexander Dielen committed
4
#include "Utilities.hh"
5
#include "MeshTypes.hh"
6 7 8
#include "Iterator.hh"
#include "Circulator.hh"

9 10
#include <algorithm>

Alexander Dielen's avatar
Alexander Dielen committed
11 12
#include <pybind11/pybind11.h>
#include <pybind11/numpy.h>
13
#include <pybind11/stl.h>
14

Alexander Dielen's avatar
Alexander Dielen committed
15 16
namespace py = pybind11;
namespace OM = OpenMesh;
17

18

19 20 21 22 23 24
/**
 * Return value policy for functions that return references to objects that are
 * managed by %OpenMesh.
 */
#define OPENMESH_PYTHON_DEFAULT_POLICY py::return_value_policy::copy

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
/**
 * Set the status of an item.
 *
 * @tparam Mesh A mesh type.
 * @tparam PropHandle A handle type.
 *
 * @param _self The mesh instance that is to be used.
 * @param _h The handle of the item whose status is to be set.
 * @param _info The status to be set.
 *
 * Depending on @ref OPENMESH_PYTHON_DEFAULT_POLICY, Mesh::status may
 * return by value instead of reference. This function ensures that the
 * status of an item can be changed nonetheless.
 */
template <class Mesh, class IndexHandle>
void set_status(Mesh& _self, IndexHandle _h, const OpenMesh::Attributes::StatusInfo& _info) {
	_self.status(_h) = _info;
}

/**
 * Thin wrapper for assign_connectivity.
 *
 * @tparam Mesh A mesh type.
 * @tparam OtherMesh A mesh type.
 *
 * @param _self The mesh instance that is to be used.
 * @param _other The mesh from which the connectivity is to be copied.
 */
template <class Mesh, class OtherMesh>
void assign_connectivity(Mesh& _self, const OtherMesh& _other) {
	_self.assign_connectivity(_other);
}

/**
 * Get an iterator.
 */
Alexander Dielen's avatar
Alexander Dielen committed
61
template <class Mesh, class Iterator, size_t (OM::ArrayKernel::*n_items)() const>
62 63 64 65 66 67 68
IteratorWrapperT<Iterator, n_items> get_iterator(Mesh& _self) {
	return IteratorWrapperT<Iterator, n_items>(_self, typename Iterator::value_type(0));
}

/**
 * Get a skipping iterator.
 */
Alexander Dielen's avatar
Alexander Dielen committed
69
template <class Mesh, class Iterator, size_t (OM::ArrayKernel::*n_items)() const>
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
IteratorWrapperT<Iterator, n_items> get_skipping_iterator(Mesh& _self) {
	return IteratorWrapperT<Iterator, n_items>(_self, typename Iterator::value_type(0), true);
}

/**
 * Get a circulator.
 *
 * @tparam Mesh A Mesh type.
 * @tparam Circulator A circulator type.
 * @tparam CenterEntityHandle The appropriate handle type.
 *
 * @param _self The mesh instance that is to be used.
 * @param _handle The handle of the item to circulate around.
 */
template <class Mesh, class Circulator, class CenterEntityHandle>
CirculatorWrapperT<Circulator, CenterEntityHandle> get_circulator(Mesh& _self, CenterEntityHandle _handle) {
	return CirculatorWrapperT<Circulator, CenterEntityHandle>(_self, _handle);
}

/**
 * Garbage collection using lists instead of vectors to keep track of a set of
 * handles.
 *
 * @tparam Mesh A Mesh type.
 *
 * @param _self The mesh instance that is to be used.
 * @param _vh_to_update The list of vertex handles to be updated.
 * @param _hh_to_update The list of halfedge handles to be updated.
 * @param _fh_to_update The list of face handles to be updated.
 * @param _v Remove deleted vertices?
 * @param _e Remove deleted edges?
 * @param _f Remove deleted faces?
 */
template <class Mesh>
Alexander Dielen's avatar
Alexander Dielen committed
104
void garbage_collection(Mesh& _self, py::list& _vh_to_update, py::list& _hh_to_update, py::list& _fh_to_update, bool _v = true, bool _e = true, bool _f = true) {
105
	// Convert list of handles to vector of pointers
Alexander Dielen's avatar
Alexander Dielen committed
106 107 108 109 110 111
	std::vector<OM::VertexHandle*> vh_vector;
	for (auto item : _vh_to_update) {
		if (py::isinstance<OM::VertexHandle>(item)) {
			vh_vector.push_back(item.cast<OM::VertexHandle*>());
		}
	}
112 113

	// Convert list of handles to vector of pointers
Alexander Dielen's avatar
Alexander Dielen committed
114 115 116 117 118 119
	std::vector<OM::HalfedgeHandle*> hh_vector;
	for (auto item : _hh_to_update) {
		if (py::isinstance<OM::HalfedgeHandle>(item)) {
			hh_vector.push_back(item.cast<OM::HalfedgeHandle*>());
		}
	}
120 121

	// Convert list of handles to vector of pointers
Alexander Dielen's avatar
Alexander Dielen committed
122 123 124 125 126 127
	std::vector<OM::FaceHandle*> fh_vector;
	for (auto item : _fh_to_update) {
		if (py::isinstance<OM::FaceHandle>(item)) {
			fh_vector.push_back(item.cast<OM::FaceHandle*>());
		}
	}
128 129 130 131 132

	// Call garbage collection
	_self.garbage_collection(vh_vector, hh_vector, fh_vector, _v, _e, _f);
}

133 134 135 136 137 138 139 140 141 142 143 144 145 146 147
/**
 * Converts OpenMesh vectors to numpy arrays.
 *
 * @tparam vector A Vector type.
 * @param _vec The vector to be converted.
 */
template<class Vector>
py::array_t<typename Vector::value_type> vec2numpy(const Vector& _vec) {
	typedef typename Vector::value_type dtype;
	dtype *data = new dtype[_vec.size()];
	std::copy_n(_vec.data(), _vec.size(), data);
	py::capsule base = free_when_done(data);
	return py::array_t<dtype>({_vec.size()}, {sizeof(dtype)}, data, base);
}

148
/**
Alexander Dielen's avatar
Alexander Dielen committed
149
 * Converts OpenMesh vectors to numpy arrays.
150
 *
Alexander Dielen's avatar
Alexander Dielen committed
151 152
 * The returned array references the vector's underlying data, i.e. changes
 * made to the returned array affect the original mesh.
153 154
 *
 * @tparam Mesh A Mesh type.
Alexander Dielen's avatar
Alexander Dielen committed
155
 * @tparam vector A Vector type.
156
 *
Alexander Dielen's avatar
Alexander Dielen committed
157 158 159 160
 * @param _mesh The mesh that owns the vector's underlying memory. In order
 * to avaoid dangling pointers, the lifetime of this mesh is tied to the
 * lifetime of the returned numpy array.
 * @param _vec The vector to be converted.
161
 */
Alexander Dielen's avatar
Alexander Dielen committed
162
template<class Mesh, class Vector>
163
py::array_t<typename Vector::value_type> vec2numpy(Mesh& _mesh, Vector& _vec, size_t _n = 1) {
Alexander Dielen's avatar
Alexander Dielen committed
164
	typedef typename Vector::value_type dtype;
165 166 167 168 169 170 171 172 173 174 175
	std::vector<size_t> shape;
	std::vector<size_t> strides;
	if (_n == 1) {
		shape = {_vec.size()};
		strides = {sizeof(dtype)};
	}
	else {
		shape = {_n, _vec.size()};
		strides = {_vec.size() * sizeof(dtype), sizeof(dtype)};
	}
	return py::array_t<dtype>(shape, strides, _vec.data(), py::cast(_mesh));
Alexander Dielen's avatar
Alexander Dielen committed
176 177 178
}

template<class Mesh>
179 180
py::array_t<float> flt2numpy(Mesh& _mesh, const float& _flt, size_t _n = 1) {
	return py::array_t<float>({_n}, {sizeof(float)}, &_flt, py::cast(_mesh));
Alexander Dielen's avatar
Alexander Dielen committed
181 182
}

183
template<class Mesh>
184 185
py::array_t<double> flt2numpy(Mesh& _mesh, const double& _flt, size_t _n = 1) {
	return py::array_t<double>({_n}, {sizeof(double)}, &_flt, py::cast(_mesh));
186 187
}

188
py::array_t<int> face_vertex_indices_trimesh(TriMesh& _self) {
189 190 191 192 193 194 195 196 197 198 199 200
	if (_self.n_faces() == 0) {
		return py::array_t<int>();
	}
	int *indices = new int[_self.n_faces() * 3];
	for (auto fh : _self.faces()) {
		auto fv_it = _self.fv_iter(fh);
		indices[fh.idx() * 3 + 0] = fv_it->idx(); ++fv_it;
		indices[fh.idx() * 3 + 1] = fv_it->idx(); ++fv_it;
		indices[fh.idx() * 3 + 2] = fv_it->idx();
	}
	const auto shape = {_self.n_faces(), size_t(3)};
	const auto strides = {3 * sizeof(int), sizeof(int)};
201 202
	py::capsule base = free_when_done(indices);
	return py::array_t<int>(shape, strides, indices, base);
203 204
}

205 206 207
template <class Mesh>
py::array_t<int> halfedge_vertex_indices(Mesh& _self) {
	if (_self.n_halfedges() == 0) {
208 209
		return py::array_t<int>();
	}
210 211 212 213 214 215
	int *indices = new int[_self.n_halfedges() * 2];
	for (auto heh : _self.halfedges()) {
		auto vh1 = _self.from_vertex_handle(heh);
		auto vh2 = _self.to_vertex_handle(heh);
		indices[heh.idx() * 2 + 0] = vh1.idx();
		indices[heh.idx() * 2 + 1] = vh2.idx();
216
	}
217 218
	const auto shape = {_self.n_halfedges(), size_t(2)};
	const auto strides = {2 * sizeof(int), sizeof(int)};
219 220
	py::capsule base = free_when_done(indices);
	return py::array_t<int>(shape, strides, indices, base);
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
struct FuncEdgeVertex {
	static void call(const OM::ArrayKernel& _mesh, OM::EdgeHandle _eh, int *_ptr) {
		const auto heh = _mesh.halfedge_handle(_eh, 0);
		_ptr[0] = _mesh.from_vertex_handle(heh).idx();
		_ptr[1] = _mesh.to_vertex_handle(heh).idx();
	}
};

struct FuncEdgeFace {
	static void call(const OM::ArrayKernel& _mesh, OM::EdgeHandle _eh, int *_ptr) {
		const auto heh1 = _mesh.halfedge_handle(_eh, 0);
		const auto heh2 = _mesh.halfedge_handle(_eh, 1);
		_ptr[0] = _mesh.face_handle(heh1).idx();
		_ptr[1] = _mesh.face_handle(heh2).idx();
	}
};

struct FuncEdgeHalfedge {
	static void call(const OM::ArrayKernel& _mesh, OM::EdgeHandle _eh, int *_ptr) {
		_ptr[0] = _mesh.halfedge_handle(_eh, 0).idx();
		_ptr[1] = _mesh.halfedge_handle(_eh, 1).idx();
	}
};

struct FuncHalfedgeToVertex {
	static void call(const OM::ArrayKernel& _mesh, OM::HalfedgeHandle _heh, int *_ptr) {
		*_ptr = _mesh.to_vertex_handle(_heh).idx();
	}
};

struct FuncHalfedgeFromVertex {
	static void call(const OM::ArrayKernel& _mesh, OM::HalfedgeHandle _heh, int *_ptr) {
		*_ptr = _mesh.from_vertex_handle(_heh).idx();
	}
};

struct FuncHalfedgeFace {
	static void call(const OM::ArrayKernel& _mesh, OM::HalfedgeHandle _heh, int *_ptr) {
		*_ptr = _mesh.face_handle(_heh).idx();
	}
};

struct FuncHalfedgeEdge {
	static void call(const OM::ArrayKernel& _mesh, OM::HalfedgeHandle _heh, int *_ptr) {
		*_ptr = _mesh.edge_handle(_heh).idx();
	}
};

template <class Mesh, class CopyFunc>
py::array_t<int> edge_other_indices(Mesh& _self) {
273 274 275 276 277
	if (_self.n_edges() == 0) {
		return py::array_t<int>();
	}
	int *indices = new int[_self.n_edges() * 2];
	for (auto eh : _self.edges()) {
278
		CopyFunc::call(_self, eh, &indices[eh.idx() * 2]);
279 280 281 282 283 284 285
	}
	const auto shape = {_self.n_edges(), size_t(2)};
	const auto strides = {2 * sizeof(int), sizeof(int)};
	py::capsule base = free_when_done(indices);
	return py::array_t<int>(shape, strides, indices, base);
}

286 287
template <class Mesh, class CopyFunc>
py::array_t<int> halfedge_other_indices(Mesh& _self) {
288 289 290
	if (_self.n_halfedges() == 0) {
		return py::array_t<int>();
	}
291
	int *indices = new int[_self.n_halfedges()];
292
	for (auto heh : _self.halfedges()) {
293
		CopyFunc::call(_self, heh, &indices[heh.idx()]);
294
	}
295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333
	const auto shape = {_self.n_halfedges()};
	const auto strides = {sizeof(int)};
	py::capsule base = free_when_done(indices);
	return py::array_t<int>(shape, strides, indices, base);
}

template <class Mesh, class Handle, class Circulator>
py::array_t<int> indices(Mesh& _self) {
	const size_t n = _self.py_n_items(Handle());
	if (n == 0) return py::array_t<int>();

	// find max valence
	int max_valence = 0;
	for (size_t i = 0; i < n; ++i) {
		int valence = 0;
		for (auto it = Circulator(_self, Handle(i)); it.is_valid(); ++it) {
			valence++;
		}
		max_valence = std::max(max_valence, valence);
	}

	// allocate memory
	int *indices = new int[n * max_valence];

	// copy indices
	for (size_t i = 0; i < n; ++i) {
		int valence = 0;
		for (auto it = Circulator(_self, Handle(i)); it.is_valid(); ++it) {
			indices[i * max_valence + valence] = it->idx();
			valence++;
		}
		for (size_t j = valence; j < max_valence; ++j) {
			indices[i * max_valence + j] = -1;
		}
	}

	// make numpy array
	const auto shape = {n, size_t(max_valence)};
	const auto strides = {max_valence * sizeof(int), sizeof(int)};
334 335 336 337
	py::capsule base = free_when_done(indices);
	return py::array_t<int>(shape, strides, indices, base);
}

338 339 340 341 342
/**
 * This function template is used to expose mesh member functions that are only
 * available for a specific type of mesh (i.e. they are available for polygon
 * meshes or triangle meshes, but not both).
 *
Alexander Dielen's avatar
Alexander Dielen committed
343
 * @tparam Class A pybind11::class type.
344
 *
Alexander Dielen's avatar
Alexander Dielen committed
345
 * @param _class The pybind11::class instance for which the member
346 347 348 349 350 351 352 353 354 355 356
 * functions are to be defined.
 */
template <class Class>
void expose_type_specific_functions(Class& _class) {
	// See the template specializations below
}

/**
 * Function template specialization for polygon meshes.
 */
template <>
Alexander Dielen's avatar
Alexander Dielen committed
357
void expose_type_specific_functions(py::class_<PolyMesh>& _class) {
358 359 360 361 362
	typedef PolyMesh::Scalar Scalar;
	typedef PolyMesh::Point  Point;
	typedef PolyMesh::Normal Normal;
	typedef PolyMesh::Color  Color;

363
	typedef py::array_t<typename Point::value_type> np_point_t;
364

Alexander Dielen's avatar
Alexander Dielen committed
365
	OM::FaceHandle (PolyMesh::*add_face_4_vh)(OM::VertexHandle, OM::VertexHandle, OM::VertexHandle, OM::VertexHandle) = &PolyMesh::add_face;
366 367 368 369

	_class
		.def("add_face", add_face_4_vh)

370 371 372 373 374 375 376
		.def("split", [](PolyMesh& _self, OM::EdgeHandle _eh, np_point_t _arr) {
				_self.split(_eh, Point(_arr.at(0), _arr.at(1), _arr.at(2)));
			})

		.def("split", [](PolyMesh& _self, OM::FaceHandle _fh, np_point_t _arr) {
				_self.split(_fh, Point(_arr.at(0), _arr.at(1), _arr.at(2)));
			})
377 378

		.def("insert_edge", &PolyMesh::insert_edge)
379

380 381
		.def("face_vertex_indices", &indices<PolyMesh, OM::FaceHandle, PolyMesh::FaceVertexIter>)
		.def("fv_indices", &indices<PolyMesh, OM::FaceHandle, PolyMesh::FaceVertexIter>)
382

383
		.def("calc_face_normal", [](PolyMesh& _self, np_point_t _p0, np_point_t _p1, np_point_t _p2) {
384 385 386 387 388
				const Point p0(_p0.at(0), _p0.at(1), _p0.at(2));
				const Point p1(_p1.at(0), _p1.at(1), _p1.at(2));
				const Point p2(_p2.at(0), _p2.at(1), _p2.at(2));
				return vec2numpy(_self.calc_face_normal(p0, p1, p2));
			})
389 390 391 392 393 394 395
		;
}

/**
 * Function template specialization for triangle meshes.
 */
template <>
Alexander Dielen's avatar
Alexander Dielen committed
396
void expose_type_specific_functions(py::class_<TriMesh>& _class) {
397 398 399 400 401
	typedef TriMesh::Scalar Scalar;
	typedef TriMesh::Point  Point;
	typedef TriMesh::Normal Normal;
	typedef TriMesh::Color  Color;

402 403 404
	typedef py::array_t<typename Point::value_type> np_point_t;

	void (TriMesh::*split_copy_eh_vh)(OM::EdgeHandle, OM::VertexHandle) = &TriMesh::split_copy;
Alexander Dielen's avatar
Alexander Dielen committed
405
	OM::HalfedgeHandle (TriMesh::*vertex_split_vh)(OM::VertexHandle, OM::VertexHandle, OM::VertexHandle, OM::VertexHandle) = &TriMesh::vertex_split;
406 407

	_class
408 409 410 411 412 413 414
		.def("split", [](TriMesh& _self, OM::EdgeHandle _eh, np_point_t _arr) {
				return _self.split(_eh, Point(_arr.at(0), _arr.at(1), _arr.at(2)));
			})

		.def("split", [](TriMesh& _self, OM::FaceHandle _fh, np_point_t _arr) {
				return _self.split(_fh, Point(_arr.at(0), _arr.at(1), _arr.at(2)));
			})
415 416

		.def("split_copy", split_copy_eh_vh)
417 418 419 420 421 422 423 424

		.def("split_copy", [](TriMesh& _self, OM::EdgeHandle _eh, np_point_t _arr) {
				return _self.split_copy(_eh, Point(_arr.at(0), _arr.at(1), _arr.at(2)));
			})

		.def("split_copy", [](TriMesh& _self, OM::FaceHandle _fh, np_point_t _arr) {
				return _self.split_copy(_fh, Point(_arr.at(0), _arr.at(1), _arr.at(2)));
			})
425 426 427 428 429 430

		.def("opposite_vh", &TriMesh::opposite_vh)
		.def("opposite_he_opposite_vh", &TriMesh::opposite_he_opposite_vh)

		.def("vertex_split", vertex_split_vh)

431 432 433 434
		.def("vertex_split", [](TriMesh& _self, np_point_t _arr, OM::VertexHandle _v1, OM::VertexHandle _vl, OM::VertexHandle _vr) {
				return _self.vertex_split(Point(_arr.at(0), _arr.at(1), _arr.at(2)), _v1, _vl, _vr);
			})

435 436
		.def("is_flip_ok", &TriMesh::is_flip_ok)
		.def("flip", &TriMesh::flip)
437

438 439
		.def("face_vertex_indices", &face_vertex_indices_trimesh)
		.def("fv_indices", &face_vertex_indices_trimesh)
440 441 442 443 444 445 446 447 448 449 450 451
		;
}


/**
 * Expose a mesh type to %Python.
 *
 * @tparam Mesh A mesh type.
 *
 * @param _name The name of the mesh type to be exposed.
 */
template <class Mesh>
Alexander Dielen's avatar
Alexander Dielen committed
452
void expose_mesh(py::module& m, const char *_name) {
453 454 455 456 457 458 459
	using OpenMesh::Attributes::StatusInfo;

	typedef typename Mesh::Scalar Scalar;
	typedef typename Mesh::Point  Point;
	typedef typename Mesh::Normal Normal;
	typedef typename Mesh::Color  Color;

460 461 462 463
	typedef typename Mesh::TexCoord1D TexCoord1D;
	typedef typename Mesh::TexCoord2D TexCoord2D;
	typedef typename Mesh::TexCoord3D TexCoord3D;

464 465 466 467 468
	//======================================================================
	//  KernelT Function Pointers
	//======================================================================

	// Get the i'th item
Alexander Dielen's avatar
Alexander Dielen committed
469 470 471 472
	OM::VertexHandle   (Mesh::*vertex_handle_uint  )(unsigned int) const = &Mesh::vertex_handle;
	OM::HalfedgeHandle (Mesh::*halfedge_handle_uint)(unsigned int) const = &Mesh::halfedge_handle;
	OM::EdgeHandle     (Mesh::*edge_handle_uint    )(unsigned int) const = &Mesh::edge_handle;
	OM::FaceHandle     (Mesh::*face_handle_uint    )(unsigned int) const = &Mesh::face_handle;
473 474 475

	// Delete items
	void (Mesh::*garbage_collection_bools)(bool, bool, bool) = &Mesh::garbage_collection;
Alexander Dielen's avatar
Alexander Dielen committed
476
	void (*garbage_collection_lists_bools)(Mesh&, py::list&, py::list&, py::list&, bool, bool, bool) = &garbage_collection;
477 478

	// Vertex connectivity
Alexander Dielen's avatar
Alexander Dielen committed
479 480
	OM::HalfedgeHandle (Mesh::*halfedge_handle_vh)(OM::VertexHandle) const = &Mesh::halfedge_handle;
	OM::HalfedgeHandle (Mesh::*halfedge_handle_fh)(OM::FaceHandle  ) const = &Mesh::halfedge_handle;
481 482

	// Halfedge connectivity
Alexander Dielen's avatar
Alexander Dielen committed
483 484 485
	OM::FaceHandle     (Mesh::*face_handle_hh         )(OM::HalfedgeHandle) const = &Mesh::face_handle;
	OM::HalfedgeHandle (Mesh::*prev_halfedge_handle_hh)(OM::HalfedgeHandle) const = &Mesh::prev_halfedge_handle;
	OM::EdgeHandle     (Mesh::*edge_handle_hh         )(OM::HalfedgeHandle) const = &Mesh::edge_handle;
486 487

	// Edge connectivity
Alexander Dielen's avatar
Alexander Dielen committed
488
	OM::HalfedgeHandle (Mesh::*halfedge_handle_eh_uint)(OM::EdgeHandle, unsigned int) const = &Mesh::halfedge_handle;
489 490

	// Set halfedge
Alexander Dielen's avatar
Alexander Dielen committed
491 492
	void (Mesh::*set_halfedge_handle_vh_hh)(OM::VertexHandle, OM::HalfedgeHandle) = &Mesh::set_halfedge_handle;
	void (Mesh::*set_halfedge_handle_fh_hh)(OM::FaceHandle,   OM::HalfedgeHandle) = &Mesh::set_halfedge_handle;
493 494

	// Handle -> Item
Alexander Dielen's avatar
Alexander Dielen committed
495 496 497 498
	const typename Mesh::Vertex&   (Mesh::*vertex  )(OM::VertexHandle  ) const = &Mesh::vertex;
	const typename Mesh::Halfedge& (Mesh::*halfedge)(OM::HalfedgeHandle) const = &Mesh::halfedge;
	const typename Mesh::Edge&     (Mesh::*edge    )(OM::EdgeHandle    ) const = &Mesh::edge;
	const typename Mesh::Face&     (Mesh::*face    )(OM::FaceHandle    ) const = &Mesh::face;
499 500

	// Get value of a standard property (status)
Alexander Dielen's avatar
Alexander Dielen committed
501 502 503 504
	const StatusInfo& (Mesh::*status_vh)(OM::VertexHandle  ) const = &Mesh::status;
	const StatusInfo& (Mesh::*status_hh)(OM::HalfedgeHandle) const = &Mesh::status;
	const StatusInfo& (Mesh::*status_eh)(OM::EdgeHandle    ) const = &Mesh::status;
	const StatusInfo& (Mesh::*status_fh)(OM::FaceHandle    ) const = &Mesh::status;
505 506

	// Set value of a standard property (status)
Alexander Dielen's avatar
Alexander Dielen committed
507 508 509 510
	void (*set_status_vh)(Mesh&, OM::VertexHandle,   const StatusInfo&) = &set_status;
	void (*set_status_hh)(Mesh&, OM::HalfedgeHandle, const StatusInfo&) = &set_status;
	void (*set_status_eh)(Mesh&, OM::EdgeHandle,     const StatusInfo&) = &set_status;
	void (*set_status_fh)(Mesh&, OM::FaceHandle,     const StatusInfo&) = &set_status;
511 512

	// Low-level adding new items
Alexander Dielen's avatar
Alexander Dielen committed
513 514 515
	OM::VertexHandle (Mesh::*new_vertex_void )(void                        ) = &Mesh::new_vertex;
	OM::FaceHandle   (Mesh::*new_face_void   )(void                        ) = &Mesh::new_face;
	OM::FaceHandle   (Mesh::*new_face_face   )(const typename Mesh::Face&  ) = &Mesh::new_face;
516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532

	// Kernel item iterators
	IteratorWrapperT<typename Mesh::VertexIter,   &Mesh::n_vertices > (*vertices )(Mesh&) = &get_iterator;
	IteratorWrapperT<typename Mesh::HalfedgeIter, &Mesh::n_halfedges> (*halfedges)(Mesh&) = &get_iterator;
	IteratorWrapperT<typename Mesh::EdgeIter,     &Mesh::n_edges    > (*edges    )(Mesh&) = &get_iterator;
	IteratorWrapperT<typename Mesh::FaceIter,     &Mesh::n_faces    > (*faces    )(Mesh&) = &get_iterator;

	IteratorWrapperT<typename Mesh::VertexIter,   &Mesh::n_vertices > (*svertices )(Mesh&) = &get_skipping_iterator;
	IteratorWrapperT<typename Mesh::HalfedgeIter, &Mesh::n_halfedges> (*shalfedges)(Mesh&) = &get_skipping_iterator;
	IteratorWrapperT<typename Mesh::EdgeIter,     &Mesh::n_edges    > (*sedges    )(Mesh&) = &get_skipping_iterator;
	IteratorWrapperT<typename Mesh::FaceIter,     &Mesh::n_faces    > (*sfaces    )(Mesh&) = &get_skipping_iterator;

	//======================================================================
	//  BaseKernel Function Pointers
	//======================================================================

	// Copy all properties
Alexander Dielen's avatar
Alexander Dielen committed
533 534 535 536
	void (Mesh::*copy_all_properties_vh_vh_bool)(OM::VertexHandle,   OM::VertexHandle,   bool) = &Mesh::copy_all_properties;
	void (Mesh::*copy_all_properties_hh_hh_bool)(OM::HalfedgeHandle, OM::HalfedgeHandle, bool) = &Mesh::copy_all_properties;
	void (Mesh::*copy_all_properties_eh_eh_bool)(OM::EdgeHandle,     OM::EdgeHandle,     bool) = &Mesh::copy_all_properties;
	void (Mesh::*copy_all_properties_fh_fh_bool)(OM::FaceHandle,     OM::FaceHandle,     bool) = &Mesh::copy_all_properties;
537 538 539 540 541 542 543 544 545

	//======================================================================
	//  PolyConnectivity Function Pointers
	//======================================================================

	// Assign connectivity
	void (*assign_connectivity_poly)(Mesh&, const PolyMesh&) = &assign_connectivity;
	void (*assign_connectivity_tri )(Mesh&, const TriMesh& ) = &assign_connectivity;

546 547 548 549
	// Adding items to a mesh
	OM::FaceHandle (Mesh::*add_face_3_vh)(OM::VertexHandle, OM::VertexHandle, OM::VertexHandle) = &Mesh::add_face;
	OM::FaceHandle (Mesh::*add_face_list)(const std::vector<OM::VertexHandle>&) = &Mesh::add_face;

550
	// Vertex and face valence
Alexander Dielen's avatar
Alexander Dielen committed
551 552
	unsigned int (Mesh::*valence_vh)(OM::VertexHandle) const = &Mesh::valence;
	unsigned int (Mesh::*valence_fh)(OM::FaceHandle  ) const = &Mesh::valence;
553 554

	// Triangulate face or mesh
Alexander Dielen's avatar
Alexander Dielen committed
555 556
	void (Mesh::*triangulate_fh  )(OM::FaceHandle) = &Mesh::triangulate;
	void (Mesh::*triangulate_void)(              ) = &Mesh::triangulate;
557 558

	// Vertex and Face circulators
Alexander Dielen's avatar
Alexander Dielen committed
559 560 561 562 563 564 565 566 567 568
	CirculatorWrapperT<typename Mesh::VertexVertexIter,    OM::VertexHandle  > (*vv )(Mesh&, OM::VertexHandle  ) = &get_circulator;
	CirculatorWrapperT<typename Mesh::VertexIHalfedgeIter, OM::VertexHandle  > (*vih)(Mesh&, OM::VertexHandle  ) = &get_circulator;
	CirculatorWrapperT<typename Mesh::VertexOHalfedgeIter, OM::VertexHandle  > (*voh)(Mesh&, OM::VertexHandle  ) = &get_circulator;
	CirculatorWrapperT<typename Mesh::VertexEdgeIter,      OM::VertexHandle  > (*ve )(Mesh&, OM::VertexHandle  ) = &get_circulator;
	CirculatorWrapperT<typename Mesh::VertexFaceIter,      OM::VertexHandle  > (*vf )(Mesh&, OM::VertexHandle  ) = &get_circulator;
	CirculatorWrapperT<typename Mesh::FaceVertexIter,      OM::FaceHandle    > (*fv )(Mesh&, OM::FaceHandle    ) = &get_circulator;
	CirculatorWrapperT<typename Mesh::FaceHalfedgeIter,    OM::FaceHandle    > (*fh )(Mesh&, OM::FaceHandle    ) = &get_circulator;
	CirculatorWrapperT<typename Mesh::FaceEdgeIter,        OM::FaceHandle    > (*fe )(Mesh&, OM::FaceHandle    ) = &get_circulator;
	CirculatorWrapperT<typename Mesh::FaceFaceIter,        OM::FaceHandle    > (*ff )(Mesh&, OM::FaceHandle    ) = &get_circulator;
	CirculatorWrapperT<typename Mesh::HalfedgeLoopIter,    OM::HalfedgeHandle> (*hl )(Mesh&, OM::HalfedgeHandle) = &get_circulator;
569 570

	// Boundary and manifold tests
Alexander Dielen's avatar
Alexander Dielen committed
571 572 573 574
	bool (Mesh::*is_boundary_hh)(OM::HalfedgeHandle  ) const = &Mesh::is_boundary;
	bool (Mesh::*is_boundary_eh)(OM::EdgeHandle      ) const = &Mesh::is_boundary;
	bool (Mesh::*is_boundary_vh)(OM::VertexHandle    ) const = &Mesh::is_boundary;
	bool (Mesh::*is_boundary_fh)(OM::FaceHandle, bool) const = &Mesh::is_boundary;
575 576 577 578 579

	//======================================================================
	//  PolyMeshT Function Pointers
	//======================================================================

Alexander Dielen's avatar
Alexander Dielen committed
580 581
	Scalar (Mesh::*calc_edge_length_eh)(OM::EdgeHandle    ) const = &Mesh::calc_edge_length;
	Scalar (Mesh::*calc_edge_length_hh)(OM::HalfedgeHandle) const = &Mesh::calc_edge_length;
582

Alexander Dielen's avatar
Alexander Dielen committed
583 584
	Scalar (Mesh::*calc_edge_sqr_length_eh)(OM::EdgeHandle    ) const = &Mesh::calc_edge_sqr_length;
	Scalar (Mesh::*calc_edge_sqr_length_hh)(OM::HalfedgeHandle) const = &Mesh::calc_edge_sqr_length;
585

Alexander Dielen's avatar
Alexander Dielen committed
586 587
	Scalar (Mesh::*calc_dihedral_angle_fast_hh)(OM::HalfedgeHandle) const = &Mesh::calc_dihedral_angle_fast;
	Scalar (Mesh::*calc_dihedral_angle_fast_eh)(OM::EdgeHandle    ) const = &Mesh::calc_dihedral_angle_fast;
588

Alexander Dielen's avatar
Alexander Dielen committed
589 590
	Scalar (Mesh::*calc_dihedral_angle_hh)(OM::HalfedgeHandle) const = &Mesh::calc_dihedral_angle;
	Scalar (Mesh::*calc_dihedral_angle_eh)(OM::EdgeHandle    ) const = &Mesh::calc_dihedral_angle;
591 592 593

	unsigned int (Mesh::*find_feature_edges)(Scalar) = &Mesh::find_feature_edges;

Alexander Dielen's avatar
Alexander Dielen committed
594 595
	void (Mesh::*split_fh_vh)(OM::FaceHandle, OM::VertexHandle) = &Mesh::split;
	void (Mesh::*split_eh_vh)(OM::EdgeHandle, OM::VertexHandle) = &Mesh::split;
596

597 598
	void (Mesh::*split_copy_fh_vh)(OM::FaceHandle, OM::VertexHandle) = &Mesh::split_copy;

599 600 601 602
	//======================================================================
	//  Mesh Type
	//======================================================================

Alexander Dielen's avatar
Alexander Dielen committed
603
	py::class_<Mesh> class_mesh(m, _name);
604 605

	class_mesh
Alexander Dielen's avatar
Alexander Dielen committed
606
		.def(py::init<>())
607 608 609 610 611 612 613 614 615 616 617 618 619 620

		//======================================================================
		//  KernelT
		//======================================================================

		.def("reserve", &Mesh::reserve)

		.def("vertex_handle", vertex_handle_uint)
		.def("halfedge_handle", halfedge_handle_uint)
		.def("edge_handle", edge_handle_uint)
		.def("face_handle", face_handle_uint)

		.def("clear", &Mesh::clear)
		.def("clean", &Mesh::clean)
Alexander Dielen's avatar
Alexander Dielen committed
621 622 623 624 625
		.def("garbage_collection", garbage_collection_bools,
			py::arg("v")=true, py::arg("e")=true, py::arg("f")=true)
		.def("garbage_collection", garbage_collection_lists_bools,
			py::arg("vh_to_update"), py::arg("hh_to_update"), py::arg("fh_to_update"),
			py::arg("v")=true, py::arg("e")=true, py::arg("f")=true)
626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723

		.def("n_vertices", &Mesh::n_vertices)
		.def("n_halfedges", &Mesh::n_halfedges)
		.def("n_edges", &Mesh::n_edges)
		.def("n_faces", &Mesh::n_faces)
		.def("vertices_empty", &Mesh::vertices_empty)
		.def("halfedges_empty", &Mesh::halfedges_empty)
		.def("edges_empty", &Mesh::edges_empty)
		.def("faces_empty", &Mesh::faces_empty)

		.def("halfedge_handle", halfedge_handle_vh)
		.def("set_halfedge_handle", set_halfedge_handle_vh_hh)

		.def("to_vertex_handle", &Mesh::to_vertex_handle)
		.def("from_vertex_handle", &Mesh::from_vertex_handle)
		.def("set_vertex_handle", &Mesh::set_vertex_handle)
		.def("face_handle", face_handle_hh)
		.def("set_face_handle", &Mesh::set_face_handle)
		.def("next_halfedge_handle", &Mesh::next_halfedge_handle)
		.def("set_next_halfedge_handle", &Mesh::set_next_halfedge_handle)
		.def("prev_halfedge_handle", prev_halfedge_handle_hh)
		.def("opposite_halfedge_handle", &Mesh::opposite_halfedge_handle)
		.def("ccw_rotated_halfedge_handle", &Mesh::ccw_rotated_halfedge_handle)
		.def("cw_rotated_halfedge_handle", &Mesh::cw_rotated_halfedge_handle)
		.def("edge_handle", edge_handle_hh)

		.def("halfedge_handle", halfedge_handle_eh_uint)

		.def("halfedge_handle", halfedge_handle_fh)
		.def("set_halfedge_handle", set_halfedge_handle_fh_hh)

		.def("status", status_vh, OPENMESH_PYTHON_DEFAULT_POLICY)
		.def("set_status", set_status_vh)
		.def("status", status_hh, OPENMESH_PYTHON_DEFAULT_POLICY)
		.def("set_status", set_status_hh)
		.def("status", status_eh, OPENMESH_PYTHON_DEFAULT_POLICY)
		.def("set_status", set_status_eh)
		.def("status", status_fh, OPENMESH_PYTHON_DEFAULT_POLICY)
		.def("set_status", set_status_fh)

		.def("request_vertex_normals", &Mesh::request_vertex_normals)
		.def("request_vertex_colors", &Mesh::request_vertex_colors)
		.def("request_vertex_texcoords1D", &Mesh::request_vertex_texcoords1D)
		.def("request_vertex_texcoords2D", &Mesh::request_vertex_texcoords2D)
		.def("request_vertex_texcoords3D", &Mesh::request_vertex_texcoords3D)
		.def("request_vertex_status", &Mesh::request_vertex_status)
		.def("request_halfedge_status", &Mesh::request_halfedge_status)
		.def("request_halfedge_normals", &Mesh::request_halfedge_normals)
		.def("request_halfedge_colors", &Mesh::request_halfedge_colors)
		.def("request_halfedge_texcoords1D", &Mesh::request_halfedge_texcoords1D)
		.def("request_halfedge_texcoords2D", &Mesh::request_halfedge_texcoords2D)
		.def("request_halfedge_texcoords3D", &Mesh::request_halfedge_texcoords3D)
		.def("request_edge_status", &Mesh::request_edge_status)
		.def("request_edge_colors", &Mesh::request_edge_colors)
		.def("request_face_normals", &Mesh::request_face_normals)
		.def("request_face_colors", &Mesh::request_face_colors)
		.def("request_face_status", &Mesh::request_face_status)
		.def("request_face_texture_index", &Mesh::request_face_texture_index)

		.def("release_vertex_normals", &Mesh::release_vertex_normals)
		.def("release_vertex_colors", &Mesh::release_vertex_colors)
		.def("release_vertex_texcoords1D", &Mesh::release_vertex_texcoords1D)
		.def("release_vertex_texcoords2D", &Mesh::release_vertex_texcoords2D)
		.def("release_vertex_texcoords3D", &Mesh::release_vertex_texcoords3D)
		.def("release_vertex_status", &Mesh::release_vertex_status)
		.def("release_halfedge_status", &Mesh::release_halfedge_status)
		.def("release_halfedge_normals", &Mesh::release_halfedge_normals)
		.def("release_halfedge_colors", &Mesh::release_halfedge_colors)
		.def("release_halfedge_texcoords1D", &Mesh::release_halfedge_texcoords1D)
		.def("release_halfedge_texcoords2D", &Mesh::release_halfedge_texcoords2D)
		.def("release_halfedge_texcoords3D", &Mesh::release_halfedge_texcoords3D)
		.def("release_edge_status", &Mesh::release_edge_status)
		.def("release_edge_colors", &Mesh::release_edge_colors)
		.def("release_face_normals", &Mesh::release_face_normals)
		.def("release_face_colors", &Mesh::release_face_colors)
		.def("release_face_status", &Mesh::release_face_status)
		.def("release_face_texture_index", &Mesh::release_face_texture_index)

		.def("has_vertex_normals", &Mesh::has_vertex_normals)
		.def("has_vertex_colors", &Mesh::has_vertex_colors)
		.def("has_vertex_texcoords1D", &Mesh::has_vertex_texcoords1D)
		.def("has_vertex_texcoords2D", &Mesh::has_vertex_texcoords2D)
		.def("has_vertex_texcoords3D", &Mesh::has_vertex_texcoords3D)
		.def("has_vertex_status", &Mesh::has_vertex_status)
		.def("has_halfedge_status", &Mesh::has_halfedge_status)
		.def("has_halfedge_normals", &Mesh::has_halfedge_normals)
		.def("has_halfedge_colors", &Mesh::has_halfedge_colors)
		.def("has_halfedge_texcoords1D", &Mesh::has_halfedge_texcoords1D)
		.def("has_halfedge_texcoords2D", &Mesh::has_halfedge_texcoords2D)
		.def("has_halfedge_texcoords3D", &Mesh::has_halfedge_texcoords3D)
		.def("has_edge_status", &Mesh::has_edge_status)
		.def("has_edge_colors", &Mesh::has_edge_colors)
		.def("has_face_normals", &Mesh::has_face_normals)
		.def("has_face_colors", &Mesh::has_face_colors)
		.def("has_face_status", &Mesh::has_face_status)
		.def("has_face_texture_index", &Mesh::has_face_texture_index)

		.def("new_vertex", new_vertex_void)
724 725 726 727
		.def("new_vertex", [](Mesh& _self, py::array_t<typename Point::value_type> _arr) {
				return _self.new_vertex(Point(_arr.at(0), _arr.at(1), _arr.at(2)));
			})

728
		.def("new_edge", &Mesh::new_edge)
729

730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746
		.def("new_face", new_face_void)
		.def("new_face", new_face_face)

		.def("vertices", vertices)
		.def("halfedges", halfedges)
		.def("edges", edges)
		.def("faces", faces)

		.def("svertices", svertices)
		.def("shalfedges", shalfedges)
		.def("sedges", sedges)
		.def("sfaces", sfaces)

		//======================================================================
		//  BaseKernel
		//======================================================================

Alexander Dielen's avatar
Alexander Dielen committed
747 748 749 750 751 752 753 754
		.def("copy_all_properties", copy_all_properties_vh_vh_bool,
			py::arg("vh_from"), py::arg("vh_to"), py::arg("copy_build_in")=false)
		.def("copy_all_properties", copy_all_properties_hh_hh_bool,
			py::arg("hh_from"), py::arg("hh_to"), py::arg("copy_build_in")=false)
		.def("copy_all_properties", copy_all_properties_eh_eh_bool,
			py::arg("eh_from"), py::arg("eh_to"), py::arg("copy_build_in")=false)
		.def("copy_all_properties", copy_all_properties_fh_fh_bool,
			py::arg("fh_from"), py::arg("fh_to"), py::arg("copy_build_in")=false)
755 756 757 758 759 760 761 762

		//======================================================================
		//  PolyConnectivity
		//======================================================================

		.def("assign_connectivity", assign_connectivity_poly)
		.def("assign_connectivity", assign_connectivity_tri)

763 764 765
		.def("add_face", add_face_3_vh)
		.def("add_face", add_face_list)

766 767 768 769 770 771 772 773 774 775 776 777 778 779 780
		.def("opposite_face_handle", &Mesh::opposite_face_handle)
		.def("adjust_outgoing_halfedge", &Mesh::adjust_outgoing_halfedge)
		.def("find_halfedge", &Mesh::find_halfedge)
		.def("valence", valence_vh)
		.def("valence", valence_fh)
		.def("collapse", &Mesh::collapse)
		.def("is_simple_link", &Mesh::is_simple_link)
		.def("is_simply_connected", &Mesh::is_simply_connected)
		.def("remove_edge", &Mesh::remove_edge)
		.def("reinsert_edge", &Mesh::reinsert_edge)
		.def("triangulate", triangulate_fh)
		.def("triangulate", triangulate_void)
		.def("split_edge", &Mesh::split_edge)
		.def("split_edge_copy", &Mesh::split_edge_copy)

781 782
		.def("add_vertex", [](Mesh& _self, py::array_t<typename Point::value_type> _arr)
			{ return _self.add_vertex(Point(_arr.at(0), _arr.at(1), _arr.at(2))); })
783 784

		.def("is_collapse_ok",  &Mesh::is_collapse_ok)
785 786 787 788 789 790

		.def("delete_vertex", [](Mesh& _self, OM::VertexHandle _vh, bool _delete_isolated) {
				if (!_self.has_vertex_status()) _self.request_vertex_status();
				if (!_self.has_face_status()) _self.request_face_status();
				_self.delete_vertex(_vh, _delete_isolated);
			}, py::arg("vh"), py::arg("delete_isolated_vertices")=true)
791

792
		.def("delete_edge", [](Mesh& _self, OM::EdgeHandle _eh, bool _delete_isolated) {
793
				if (!_self.has_vertex_status() && _delete_isolated) _self.request_vertex_status();
794 795 796 797
				if (!_self.has_edge_status()) _self.request_edge_status();
				if (!_self.has_face_status()) _self.request_face_status();
				_self.delete_edge(_eh, _delete_isolated);
			}, py::arg("eh"), py::arg("delete_isolated_vertices")=true)
798

799
		.def("delete_face", [](Mesh& _self, OM::FaceHandle _fh, bool _delete_isolated) {
800
				if (!_self.has_vertex_status() && _delete_isolated) _self.request_vertex_status();
801 802 803
				if (!_self.has_face_status()) _self.request_face_status();
				_self.delete_face(_fh, _delete_isolated);
			}, py::arg("fh"), py::arg("delete_isolated_vertices")=true)
804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820

		.def("vv", vv)
		.def("vih", vih)
		.def("voh", voh)
		.def("ve", ve)
		.def("vf", vf)

		.def("fv", fv)
		.def("fh", fh)
		.def("fe", fe)
		.def("ff", ff)

		.def("hl", hl)

		.def("is_boundary", is_boundary_hh)
		.def("is_boundary", is_boundary_eh)
		.def("is_boundary", is_boundary_vh)
Alexander Dielen's avatar
Alexander Dielen committed
821
		.def("is_boundary", is_boundary_fh, py::arg("fh"), py::arg("check_vertex")=false)
822 823
		.def("is_manifold", &Mesh::is_manifold)

Alexander Dielen's avatar
Alexander Dielen committed
824
		.def_static("is_triangles", &Mesh::is_triangles)
825

Alexander Dielen's avatar
Alexander Dielen committed
826 827 828 829
		.def_readonly_static("InvalidVertexHandle", &Mesh::InvalidVertexHandle)
		.def_readonly_static("InvalidHalfedgeHandle", &Mesh::InvalidHalfedgeHandle)
		.def_readonly_static("InvalidEdgeHandle", &Mesh::InvalidEdgeHandle)
		.def_readonly_static("InvalidFaceHandle", &Mesh::InvalidFaceHandle)
830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847

		//======================================================================
		//  PolyMeshT
		//======================================================================

		.def("calc_edge_length", calc_edge_length_eh)
		.def("calc_edge_length", calc_edge_length_hh)
		.def("calc_edge_sqr_length", calc_edge_sqr_length_eh)
		.def("calc_edge_sqr_length", calc_edge_sqr_length_hh)

		.def("calc_sector_angle", &Mesh::calc_sector_angle)
		.def("calc_sector_area", &Mesh::calc_sector_area)

		.def("calc_dihedral_angle_fast", calc_dihedral_angle_fast_hh)
		.def("calc_dihedral_angle_fast", calc_dihedral_angle_fast_eh)
		.def("calc_dihedral_angle", calc_dihedral_angle_hh)
		.def("calc_dihedral_angle", calc_dihedral_angle_eh)

Alexander Dielen's avatar
Alexander Dielen committed
848
		.def("find_feature_edges", find_feature_edges, py::arg("angle_tresh")=OM::deg_to_rad(44.0))
849 850 851 852

		.def("split", split_fh_vh)
		.def("split", split_eh_vh)

853 854
		.def("split_copy", split_copy_fh_vh)

855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871
		.def("update_normals", [](Mesh& _self) {
				if (!_self.has_face_normals()) {
					_self.request_face_normals();
				}
				if (!_self.has_halfedge_normals()) {
					_self.request_halfedge_normals();
				}
				if (!_self.has_vertex_normals()) {
					_self.request_vertex_normals();
				}
				_self.update_normals();
			})

		.def("update_normal", [](Mesh& _self, OM::FaceHandle _fh) {
				if (!_self.has_face_normals()) _self.request_face_normals();
				_self.update_normal(_fh);
			})
872

873 874 875 876 877 878 879 880 881 882 883 884 885 886 887
		.def("update_face_normals", [](Mesh& _self) {
				if (!_self.has_face_normals()) _self.request_face_normals();
				_self.update_face_normals();
			})

		.def("update_normal", [](Mesh& _self, OM::HalfedgeHandle _hh, double _feature_angle) {
				if (!_self.has_face_normals()) {
					_self.request_face_normals();
					_self.update_face_normals();
				}
				if (!_self.has_halfedge_normals()) {
					_self.request_halfedge_normals();
				}
				_self.update_normal(_hh, _feature_angle);
			}, py::arg("heh"), py::arg("feature_angle")=0.8)
888

889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909
		.def("update_halfedge_normals", [](Mesh& _self, double _feature_angle) {
				if (!_self.has_face_normals()) {
					_self.request_face_normals();
					_self.update_face_normals();
				}
				if (!_self.has_halfedge_normals()) {
					_self.request_halfedge_normals();
				}
				_self.update_halfedge_normals(_feature_angle);
			}, py::arg("feature_angle")=0.8)

		.def("update_normal", [](Mesh& _self, OM::VertexHandle _vh) {
				if (!_self.has_face_normals()) {
					_self.request_face_normals();
					_self.update_face_normals();
				}
				if (!_self.has_vertex_normals()) {
					_self.request_vertex_normals();
				}
				_self.update_normal(_vh);
			})
910

911 912 913 914 915 916 917 918 919 920
		.def("update_vertex_normals", [](Mesh& _self) {
				if (!_self.has_face_normals()) {
					_self.request_face_normals();
					_self.update_face_normals();
				}
				if (!_self.has_vertex_normals()) {
					_self.request_vertex_normals();
				}
				_self.update_vertex_normals();
			})
921 922 923

		.def("is_estimated_feature_edge", &Mesh::is_estimated_feature_edge)

Alexander Dielen's avatar
Alexander Dielen committed
924
		.def_static("is_polymesh", &Mesh::is_polymesh)
925
		.def("is_trimesh", &Mesh::is_trimesh)
926

927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997
		//======================================================================
		//  numpy calc_*
		//======================================================================

		.def("calc_face_normal", [](Mesh& _self, OM::FaceHandle _fh) {
				return vec2numpy(_self.calc_face_normal(_fh));
			})

		.def("calc_halfedge_normal", [](Mesh& _self, OM::HalfedgeHandle _heh, double _feature_angle) {
				if (!_self.has_face_normals()) {
					_self.request_face_normals();
					_self.update_face_normals();
				}
				return vec2numpy(_self.calc_halfedge_normal(_heh, _feature_angle));
			}, py::arg("heh"), py::arg("feature_angle")=0.8)

		.def("calc_vertex_normal", [](Mesh& _self, OM::VertexHandle _vh) {
				if (!_self.has_face_normals()) {
					_self.request_face_normals();
					_self.update_face_normals();
				}
				return vec2numpy(_self.calc_vertex_normal(_vh));
			})

		.def("calc_vertex_normal_fast", [](Mesh& _self, OM::VertexHandle _vh) {
				if (!_self.has_face_normals()) {
					_self.request_face_normals();
					_self.update_face_normals();
				}
				typename Mesh::Normal n;
				_self.calc_vertex_normal_fast(_vh, n);
				return vec2numpy(n);
			})

		.def("calc_vertex_normal_correct", [](Mesh& _self, OM::VertexHandle _vh) {
				typename Mesh::Normal n;
				_self.calc_vertex_normal_correct(_vh, n);
				return vec2numpy(n);
			})

		.def("calc_vertex_normal_loop", [](Mesh& _self, OM::VertexHandle _vh) {
				typename Mesh::Normal n;
				_self.calc_vertex_normal_loop(_vh, n);
				return vec2numpy(n);
			})

		.def("calc_face_centroid", [](Mesh& _self, OM::FaceHandle _fh) {
				return vec2numpy(_self.calc_face_centroid(_fh));
			})

		.def("calc_edge_vector", [](Mesh& _self, OM::EdgeHandle _eh) {
				return vec2numpy(_self.calc_edge_vector(_eh));
			})

		.def("calc_edge_vector", [](Mesh& _self, OM::HalfedgeHandle _heh) {
				return vec2numpy(_self.calc_edge_vector(_heh));
			})

		.def("calc_sector_vectors", [](Mesh& _self, OM::HalfedgeHandle _heh) {
				typename Mesh::Normal vec0;
				typename Mesh::Normal vec1;
				_self.calc_sector_vectors(_heh, vec0, vec1);
				return std::make_tuple(vec2numpy(vec0), vec2numpy(vec1));
			})

		.def("calc_sector_normal", [](Mesh& _self, OM::HalfedgeHandle _heh) {
				typename Mesh::Normal n;
				_self.calc_sector_normal(_heh, n);
				return vec2numpy(n);
			})

998
		//======================================================================
999
		//  numpy vector getter
1000 1001
		//======================================================================

1002 1003 1004
		.def("point", [](Mesh& _self, OM::VertexHandle _h) {
				return vec2numpy(_self, _self.point(_h));
			})
Alexander Dielen's avatar
Alexander Dielen committed
1005

1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017
		.def("normal", [](Mesh& _self, OM::VertexHandle _h) {
				if (!_self.has_vertex_normals()) _self.request_vertex_normals();
				return vec2numpy(_self, _self.normal(_h));
			})
		.def("normal", [](Mesh& _self, OM::HalfedgeHandle _h) {
				if (!_self.has_halfedge_normals()) _self.request_halfedge_normals();
				return vec2numpy(_self, _self.normal(_h));
			})
		.def("normal", [](Mesh& _self, OM::FaceHandle _h) {
				if (!_self.has_face_normals()) _self.request_face_normals();
				return vec2numpy(_self, _self.normal(_h));
			})
Alexander Dielen's avatar
Alexander Dielen committed
1018

1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034
		.def("color", [](Mesh& _self, OM::VertexHandle _h) {
				if (!_self.has_vertex_colors()) _self.request_vertex_colors();
				return vec2numpy(_self, _self.color(_h));
			})
		.def("color", [](Mesh& _self, OM::HalfedgeHandle _h) {
				if (!_self.has_halfedge_colors()) _self.request_halfedge_colors();
				return vec2numpy(_self, _self.color(_h));
			})
		.def("color", [](Mesh& _self, OM::EdgeHandle _h) {
				if (!_self.has_edge_colors()) _self.request_edge_colors();
				return vec2numpy(_self, _self.color(_h));
			})
		.def("color", [](Mesh& _self, OM::FaceHandle _h) {
				if (!_self.has_face_colors()) _self.request_face_colors();
				return vec2numpy(_self, _self.color(_h));
			})
Alexander Dielen's avatar
Alexander Dielen committed
1035

1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059
		.def("texcoord1D", [](Mesh& _self, OM::VertexHandle _h) {
				if (!_self.has_vertex_texcoords1D()) _self.request_vertex_texcoords1D();
				return flt2numpy(_self, _self.texcoord1D(_h));
			})
		.def("texcoord1D", [](Mesh& _self, OM::HalfedgeHandle _h) {
				if (!_self.has_halfedge_texcoords1D()) _self.request_halfedge_texcoords1D();
				return flt2numpy(_self, _self.texcoord1D(_h));
			})
		.def("texcoord2D", [](Mesh& _self, OM::VertexHandle _h) {
				if (!_self.has_vertex_texcoords2D()) _self.request_vertex_texcoords2D();
				return vec2numpy(_self, _self.texcoord2D(_h));
			})
		.def("texcoord2D", [](Mesh& _self, OM::HalfedgeHandle _h) {
				if (!_self.has_halfedge_texcoords2D()) _self.request_halfedge_texcoords2D();
				return vec2numpy(_self, _self.texcoord2D(_h));
			})
		.def("texcoord3D", [](Mesh& _self, OM::VertexHandle _h) {
				if (!_self.has_vertex_texcoords3D()) _self.request_vertex_texcoords3D();
				return vec2numpy(_self, _self.texcoord3D(_h));
			})
		.def("texcoord3D", [](Mesh& _self, OM::HalfedgeHandle _h) {
				if (!_self.has_halfedge_texcoords3D()) _self.request_halfedge_texcoords3D();
				return vec2numpy(_self, _self.texcoord3D(_h));
			})
Alexander Dielen's avatar
Alexander Dielen committed
1060

1061 1062 1063 1064
		//======================================================================
		//  numpy vector setter
		//======================================================================

1065 1066 1067
		.def("set_point", [](Mesh& _self, OM::VertexHandle _h, py::array_t<typename Point::value_type> _arr) {
				_self.point(_h) = Point(_arr.at(0), _arr.at(1), _arr.at(2));
			})
1068

1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080
		.def("set_normal", [](Mesh& _self, OM::VertexHandle _h, py::array_t<typename Normal::value_type> _arr) {
				if (!_self.has_vertex_normals()) _self.request_vertex_normals();
				_self.set_normal(_h, typename Mesh::Normal(_arr.at(0), _arr.at(1), _arr.at(2)));
			})
		.def("set_normal", [](Mesh& _self, OM::HalfedgeHandle _h, py::array_t<typename Normal::value_type> _arr) {
				if (!_self.has_halfedge_normals()) _self.request_halfedge_normals();
				_self.set_normal(_h, typename Mesh::Normal(_arr.at(0), _arr.at(1), _arr.at(2)));
			})
		.def("set_normal", [](Mesh& _self, OM::FaceHandle _h, py::array_t<typename Normal::value_type> _arr) {
				if (!_self.has_face_normals()) _self.request_face_normals();
				_self.set_normal(_h, typename Mesh::Normal(_arr.at(0), _arr.at(1), _arr.at(2)));
			})
1081

1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097
		.def("set_color", [](Mesh& _self, OM::VertexHandle _h, py::array_t<typename Color::value_type> _arr) {
				if(!_self.has_vertex_colors()) _self.request_vertex_colors();
				_self.set_color(_h, typename Mesh::Color(_arr.at(0), _arr.at(1), _arr.at(2), _arr.at(3)));
			})
		.def("set_color", [](Mesh& _self, OM::HalfedgeHandle _h, py::array_t<typename Color::value_type> _arr) {
				if(!_self.has_halfedge_colors()) _self.request_halfedge_colors();
				_self.set_color(_h, typename Mesh::Color(_arr.at(0), _arr.at(1), _arr.at(2), _arr.at(3)));
			})
		.def("set_color", [](Mesh& _self, OM::EdgeHandle _h, py::array_t<typename Color::value_type> _arr) {
				if(!_self.has_edge_colors()) _self.request_edge_colors();
				_self.set_color(_h, typename Mesh::Color(_arr.at(0), _arr.at(1), _arr.at(2), _arr.at(3)));
			})
		.def("set_color", [](Mesh& _self, OM::FaceHandle _h, py::array_t<typename Color::value_type> _arr) {
				if(!_self.has_face_colors()) _self.request_face_colors();
				_self.set_color(_h, typename Mesh::Color(_arr.at(0), _arr.at(1), _arr.at(2), _arr.at(3)));
			})
1098

1099 1100 1101 1102 1103 1104 1105 1106
		.def("set_texcoord1D", [](Mesh& _self, OM::VertexHandle _h, py::array_t<TexCoord1D> _arr) {
				if (!_self.has_vertex_texcoords1D()) _self.request_vertex_texcoords1D();
				_self.set_texcoord1D(_h, _arr.at(0));
			})
		.def("set_texcoord1D", [](Mesh& _self, OM::HalfedgeHandle _h, py::array_t<TexCoord1D> _arr) {
				if (!_self.has_halfedge_texcoords1D()) _self.request_halfedge_texcoords1D();
				_self.set_texcoord1D(_h, _arr.at(0));
			})
1107

1108 1109 1110 1111 1112 1113 1114 1115
		.def("set_texcoord2D", [](Mesh& _self, OM::VertexHandle _h, py::array_t<typename TexCoord2D::value_type> _arr) {
				if (!_self.has_vertex_texcoords2D()) _self.request_vertex_texcoords2D();
				_self.set_texcoord2D(_h, typename Mesh::TexCoord2D(_arr.at(0), _arr.at(1)));
			})
		.def("set_texcoord2D", [](Mesh& _self, OM::HalfedgeHandle _h, py::array_t<typename TexCoord2D::value_type> _arr) {
				if (!_self.has_halfedge_texcoords2D()) _self.request_halfedge_texcoords2D();
				_self.set_texcoord2D(_h, typename Mesh::TexCoord2D(_arr.at(0), _arr.at(1)));
			})
1116

1117 1118 1119 1120 1121 1122 1123 1124
		.def("set_texcoord3D", [](Mesh& _self, OM::VertexHandle _h, py::array_t<typename TexCoord3D::value_type> _arr) {
				if (!_self.has_vertex_texcoords3D()) _self.request_vertex_texcoords3D();
				_self.set_texcoord3D(_h, typename Mesh::TexCoord3D(_arr.at(0), _arr.at(1), _arr.at(2)));
			})
		.def("set_texcoord3D", [](Mesh& _self, OM::HalfedgeHandle _h, py::array_t<typename TexCoord3D::value_type> _arr) {
				if (!_self.has_halfedge_texcoords3D()) _self.request_halfedge_texcoords3D();
				_self.set_texcoord3D(_h, typename Mesh::TexCoord3D(_arr.at(0), _arr.at(1), _arr.at(2)));
			})
1125 1126 1127 1128 1129

		//======================================================================
		//  numpy matrix getter
		//======================================================================

1130 1131 1132
		.def("points", [](Mesh& _self) {
				return vec2numpy(_self, _self.point(OM::VertexHandle(0)), _self.n_vertices());
			})
1133

1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153
		.def("vertex_normals", [](Mesh& _self) {
				if (!_self.has_vertex_normals()) _self.request_vertex_normals();
				return vec2numpy(_self, _self.normal(OM::VertexHandle(0)), _self.n_vertices());
			})
		.def("vertex_colors", [](Mesh& _self) {
				if (!_self.has_vertex_colors()) _self.request_vertex_colors();
				return vec2numpy(_self, _self.color(OM::VertexHandle(0)), _self.n_vertices());
			})
		.def("vertex_texcoords1D", [](Mesh& _self) {
				if (!_self.has_vertex_texcoords1D()) _self.request_vertex_texcoords1D();
				return flt2numpy(_self, _self.texcoord1D(OM::VertexHandle(0)), _self.n_vertices());
			})
		.def("vertex_texcoords2D", [](Mesh& _self) {
				if (!_self.has_vertex_texcoords2D()) _self.request_vertex_texcoords2D();
				return vec2numpy(_self, _self.texcoord2D(OM::VertexHandle(0)), _self.n_vertices());
			})
		.def("vertex_texcoords3D", [](Mesh& _self) {
				if (!_self.has_vertex_texcoords3D()) _self.request_vertex_texcoords3D();
				return vec2numpy(_self, _self.texcoord3D(OM::VertexHandle(0)), _self.n_vertices());
			})
1154

1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174
		.def("halfedge_normals", [](Mesh& _self) {
				if (!_self.has_halfedge_normals()) _self.request_halfedge_normals();
				return vec2numpy(_self, _self.normal(OM::HalfedgeHandle(0)), _self.n_halfedges());
			})
		.def("halfedge_colors", [](Mesh& _self) {
				if (!_self.has_halfedge_colors()) _self.request_halfedge_colors();
				return vec2numpy(_self, _self.color(OM::HalfedgeHandle(0)), _self.n_halfedges());
			})
		.def("halfedge_texcoords1D", [](Mesh& _self) {
				if (!_self.has_halfedge_texcoords1D()) _self.request_halfedge_texcoords1D();
				return flt2numpy(_self, _self.texcoord1D(OM::HalfedgeHandle(0)), _self.n_halfedges());
			})
		.def("halfedge_texcoords2D", [](Mesh& _self) {
				if (!_self.has_halfedge_texcoords2D()) _self.request_halfedge_texcoords2D();
				return vec2numpy(_self, _self.texcoord2D(OM::HalfedgeHandle(0)), _self.n_halfedges());
			})
		.def("halfedge_texcoords3D", [](Mesh& _self) {
				if (!_self.has_halfedge_texcoords3D()) _self.request_halfedge_texcoords3D();
				return vec2numpy(_self, _self.texcoord3D(OM::HalfedgeHandle(0)), _self.n_halfedges());
			})
1175

1176 1177 1178 1179
		.def("edge_colors", [](Mesh& _self) {
				if (!_self.has_edge_colors()) _self.request_edge_colors();
				return vec2numpy(_self, _self.color(OM::EdgeHandle(0)), _self.n_edges());
			})
1180

1181 1182 1183 1184 1185 1186 1187 1188
		.def("face_normals", [](Mesh& _self) {
				if (!_self.has_face_normals()) _self.request_face_normals();
				return vec2numpy(_self, _self.normal(OM::FaceHandle(0)), _self.n_faces());
			})
		.def("face_colors",  [](Mesh& _self) {
				if (!_self.has_face_colors()) _self.request_face_colors();
				return vec2numpy(_self, _self.color (OM::FaceHandle(0)), _self.n_faces());
			})
1189 1190

		//======================================================================
Alexander Dielen's avatar
Alexander Dielen committed
1191
		//  numpy indices
1192 1193
		//======================================================================

1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218
		.def("vertex_vertex_indices", &indices<Mesh, OM::VertexHandle, typename Mesh::VertexVertexIter>)
		.def("vv_indices", &indices<Mesh, OM::VertexHandle, typename Mesh::VertexVertexIter>)
		.def("vertex_face_indices", &indices<Mesh, OM::VertexHandle, typename Mesh::VertexFaceIter>)
		.def("vf_indices", &indices<Mesh, OM::VertexHandle, typename Mesh::VertexFaceIter>)
		.def("vertex_edge_indices", &indices<Mesh, OM::VertexHandle, typename Mesh::VertexEdgeIter>)
		.def("ve_indices", &indices<Mesh, OM::VertexHandle, typename Mesh::VertexEdgeIter>)
		.def("vertex_outgoing_halfedge_indices", &indices<Mesh, OM::VertexHandle, typename Mesh::VertexOHalfedgeIter>)
		.def("voh_indices", &indices<Mesh, OM::VertexHandle, typename Mesh::VertexOHalfedgeIter>)
		.def("vertex_incoming_halfedge_indices", &indices<Mesh, OM::VertexHandle, typename Mesh::VertexIHalfedgeIter>)
		.def("vih_indices", &indices<Mesh, OM::VertexHandle, typename Mesh::VertexIHalfedgeIter>)

		.def("face_face_indices", &indices<Mesh, OM::FaceHandle, typename Mesh::FaceFaceIter>)
		.def("ff_indices", &indices<Mesh, OM::FaceHandle, typename Mesh::FaceFaceIter>)
		.def("face_edge_indices", &indices<Mesh, OM::FaceHandle, typename Mesh::FaceEdgeIter>)
		.def("fe_indices", &indices<Mesh, OM::FaceHandle, typename Mesh::FaceEdgeIter>)
		.def("face_halfedge_indices", &indices<Mesh, OM::FaceHandle, typename Mesh::FaceHalfedgeIter>)
		.def("fh_indices", &indices<Mesh, OM::FaceHandle, typename Mesh::FaceHalfedgeIter>)

		.def("edge_vertex_indices", &edge_other_indices<Mesh, FuncEdgeVertex>)
		.def("ev_indices", &edge_other_indices<Mesh, FuncEdgeVertex>)
		.def("edge_face_indices", &edge_other_indices<Mesh, FuncEdgeFace>)
		.def("ef_indices", &edge_other_indices<Mesh, FuncEdgeFace>)
		.def("edge_halfedge_indices", &edge_other_indices<Mesh, FuncEdgeHalfedge>)
		.def("eh_indices", &edge_other_indices<Mesh, FuncEdgeHalfedge>)

Alexander Dielen's avatar
Alexander Dielen committed
1219 1220
		.def("halfedge_vertex_indices", &halfedge_vertex_indices<Mesh>)
		.def("hv_indices", &halfedge_vertex_indices<Mesh>)
1221

1222 1223 1224 1225 1226 1227 1228 1229 1230
		.def("halfedge_to_vertex_indices", &halfedge_other_indices<Mesh, FuncHalfedgeToVertex>)
		.def("htv_indices", &halfedge_other_indices<Mesh, FuncHalfedgeToVertex>)
		.def("halfedge_from_vertex_indices", &halfedge_other_indices<Mesh, FuncHalfedgeFromVertex>)
		.def("hfv_indices", &halfedge_other_indices<Mesh, FuncHalfedgeFromVertex>)
		.def("halfedge_face_indices", &halfedge_other_indices<Mesh, FuncHalfedgeFace>)
		.def("hf_indices", &halfedge_other_indices<Mesh, FuncHalfedgeFace>)
		.def("halfedge_edge_indices", &halfedge_other_indices<Mesh, FuncHalfedgeEdge>)
		.def("he_indices", &halfedge_other_indices<Mesh, FuncHalfedgeEdge>)

1231
		//======================================================================
Alexander Dielen's avatar
Alexander Dielen committed
1232
		//  new property interface: single item
1233 1234
		//======================================================================

Alexander Dielen's avatar
Alexander Dielen committed
1235 1236 1237 1238
		.def("vertex_property", &Mesh::template py_property<OM::VertexHandle, typename Mesh::VPropHandle>)
		.def("halfedge_property", &Mesh::template py_property<OM::HalfedgeHandle, typename Mesh::HPropHandle>)
		.def("edge_property", &Mesh::template py_property<OM::EdgeHandle, typename Mesh::EPropHandle>)
		.def("face_property", &Mesh::template py_property<OM::FaceHandle, typename Mesh::FPropHandle>)
1239

Alexander Dielen's avatar
Alexander Dielen committed