1 // Copyright (C) 2007-2014 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
19 // Author : Anthony Geay (CEA/DEN)
21 #include "MEDCouplingPointSet.hxx"
22 #include "MEDCouplingAutoRefCountObjectPtr.hxx"
23 #include "MEDCoupling1GTUMesh.hxx"
24 #include "MEDCouplingUMesh.hxx"
25 #include "MEDCouplingMemArray.hxx"
26 #include "PlanarIntersector.txx"
27 #include "InterpKernelGeo2DQuadraticPolygon.hxx"
28 #include "InterpKernelGeo2DNode.hxx"
29 #include "DirectedBoundingBox.hxx"
30 #include "InterpKernelAutoPtr.hxx"
36 using namespace ParaMEDMEM;
38 MEDCouplingPointSet::MEDCouplingPointSet():_coords(0)
42 MEDCouplingPointSet::MEDCouplingPointSet(const MEDCouplingPointSet& other, bool deepCopy):MEDCouplingMesh(other),_coords(0)
45 _coords=other._coords->performCpy(deepCopy);
48 MEDCouplingPointSet::~MEDCouplingPointSet()
54 int MEDCouplingPointSet::getNumberOfNodes() const
57 return _coords->getNumberOfTuples();
59 throw INTERP_KERNEL::Exception("Unable to get number of nodes because no coordinates specified !");
62 int MEDCouplingPointSet::getSpaceDimension() const
65 return _coords->getNumberOfComponents();
67 throw INTERP_KERNEL::Exception("Unable to get space dimension because no coordinates specified !");
70 void MEDCouplingPointSet::updateTime() const
74 updateTimeWith(*_coords);
78 std::size_t MEDCouplingPointSet::getHeapMemorySizeWithoutChildren() const
80 return MEDCouplingMesh::getHeapMemorySizeWithoutChildren();
83 std::vector<const BigMemoryObject *> MEDCouplingPointSet::getDirectChildrenWithNull() const
85 std::vector<const BigMemoryObject *> ret;
86 ret.push_back(_coords);
90 void MEDCouplingPointSet::setCoords(const DataArrayDouble *coords)
92 if( coords != _coords )
96 _coords=const_cast<DataArrayDouble *>(coords);
104 * Returns a pointer to the array of point coordinates held by \a this.
105 * \return DataArrayDouble * - the pointer to the array of point coordinates. The
106 * caller is to delete this array using decrRef() as it is no more needed.
108 DataArrayDouble *MEDCouplingPointSet::getCoordinatesAndOwner() const
116 * Copies string attributes from an \a other mesh. The copied strings are
120 * - textual data of the coordinates array (name and components info)
122 * \param [in] other - the mesh to copy string attributes from.
124 void MEDCouplingPointSet::copyTinyStringsFrom(const MEDCouplingMesh *other)
126 MEDCouplingMesh::copyTinyStringsFrom(other);
127 const MEDCouplingPointSet *otherC=dynamic_cast<const MEDCouplingPointSet *>(other);
129 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::copyTinyStringsFrom : meshes have not same type !");
130 if(_coords && otherC->_coords)
131 _coords->copyStringInfoFrom(*otherC->_coords);
134 bool MEDCouplingPointSet::isEqualIfNotWhy(const MEDCouplingMesh *other, double prec, std::string& reason) const
137 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::isEqualIfNotWhy : null mesh instance in input !");
138 const MEDCouplingPointSet *otherC=dynamic_cast<const MEDCouplingPointSet *>(other);
141 reason="mesh given in input is not castable in MEDCouplingPointSet !";
144 if(!MEDCouplingMesh::isEqualIfNotWhy(other,prec,reason))
146 if(!areCoordsEqualIfNotWhy(*otherC,prec,reason))
152 * Checks equality of point coordinates with coordinates of an \a other mesh.
153 * None textual data is considered.
154 * \param [in] other - the mesh to compare coordinates with \a this one.
155 * \param [in] prec - precision value to compare coordinates.
156 * \return bool - \a true if coordinates of points are equal, \a false else.
158 bool MEDCouplingPointSet::isEqualWithoutConsideringStr(const MEDCouplingMesh *other, double prec) const
160 const MEDCouplingPointSet *otherC=dynamic_cast<const MEDCouplingPointSet *>(other);
163 if(!areCoordsEqualWithoutConsideringStr(*otherC,prec))
168 bool MEDCouplingPointSet::areCoordsEqualIfNotWhy(const MEDCouplingPointSet& other, double prec, std::string& reason) const
170 if(_coords==0 && other._coords==0)
172 if(_coords==0 || other._coords==0)
174 reason="Only one PointSet between the two this and other has coordinate defined !";
177 if(_coords==other._coords)
179 bool ret=_coords->isEqualIfNotWhy(*other._coords,prec,reason);
181 reason.insert(0,"Coordinates DataArray do not match : ");
186 * Checks equality of point coordinates with \a other point coordinates.
187 * Textual data (name and components info) \b is compared as well.
188 * \param [in] other - the point coordinates to compare with \a this one.
189 * \param [in] prec - precision value to compare coordinates.
190 * \return bool - \a true if coordinates of points are equal, \a false else.
192 bool MEDCouplingPointSet::areCoordsEqual(const MEDCouplingPointSet& other, double prec) const
195 return areCoordsEqualIfNotWhy(other,prec,tmp);
199 * Checks equality of point coordinates with \a other point coordinates.
200 * None textual data is considered.
201 * \param [in] other - the point coordinates to compare with \a this one.
202 * \param [in] prec - precision value to compare coordinates.
203 * \return bool - \a true if coordinates of points are equal, \a false else.
205 bool MEDCouplingPointSet::areCoordsEqualWithoutConsideringStr(const MEDCouplingPointSet& other, double prec) const
207 if(_coords==0 && other._coords==0)
209 if(_coords==0 || other._coords==0)
211 if(_coords==other._coords)
213 return _coords->isEqualWithoutConsideringStr(*other._coords,prec);
217 * Returns coordinates of \a nodeId-th node.
218 * \param [in] nodeId - the ID of the node of interest.
219 * \param [in, out] coo - the array filled with coordinates of the \a nodeId-th
220 * node. This array is not cleared before filling in, the coordinates are
221 * appended to its end.
222 * \throw If the coordinates array is not set.
223 * \throw If \a nodeId is not a valid index for the coordinates array.
225 * \if ENABLE_EXAMPLES
226 * \ref cpp_mcpointset_getcoordinatesofnode "Here is a C++ example".<br>
227 * \ref py_mcpointset_getcoordinatesofnode "Here is a Python example".
230 void MEDCouplingPointSet::getCoordinatesOfNode(int nodeId, std::vector<double>& coo) const
233 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::getCoordinatesOfNode : no coordinates array set !");
234 int nbNodes=getNumberOfNodes();
235 if(nodeId>=0 && nodeId<nbNodes)
237 const double *cooPtr=_coords->getConstPointer();
238 int spaceDim=getSpaceDimension();
239 coo.insert(coo.end(),cooPtr+spaceDim*nodeId,cooPtr+spaceDim*(nodeId+1));
243 std::ostringstream oss; oss << "MEDCouplingPointSet::getCoordinatesOfNode : request of nodeId \"" << nodeId << "\" but it should be in [0,"<< nbNodes << ") !";
244 throw INTERP_KERNEL::Exception(oss.str().c_str());
249 * Finds nodes equal within \a precision and returns an array describing the
250 * permutation to remove duplicated nodes.
251 * \param [in] precision - minimal absolute distance between two nodes at which they are
252 * considered not coincident.
253 * \param [in] limitNodeId - limit node id. If all nodes within a group of coincident
254 * nodes have id strictly lower than \a limitTupleId then they are not
255 * returned. Put -1 to this parameter to have all nodes returned.
256 * \param [out] areNodesMerged - is set to \a true if any coincident nodes found.
257 * \param [out] newNbOfNodes - returns number of unique nodes.
258 * \return DataArrayInt * - the permutation array in "Old to New" mode. For more
259 * info on "Old to New" mode see \ref MEDCouplingArrayRenumbering. The caller
260 * is to delete this array using decrRef() as it is no more needed.
261 * \throw If the coordinates array is not set.
263 DataArrayInt *MEDCouplingPointSet::buildPermArrayForMergeNode(double precision, int limitNodeId, bool& areNodesMerged, int& newNbOfNodes) const
265 DataArrayInt *comm,*commI;
266 findCommonNodes(precision,limitNodeId,comm,commI);
267 int oldNbOfNodes=getNumberOfNodes();
268 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=buildNewNumberingFromCommonNodesFormat(comm,commI,newNbOfNodes);
269 areNodesMerged=(oldNbOfNodes!=newNbOfNodes);
276 * Finds nodes coincident within \a prec tolerance.
277 * Ids of coincident nodes are stored in output arrays.
278 * A pair of arrays (\a comm, \a commIndex) is called "Surjective Format 2".
279 * \param [in] prec - minimal absolute distance (using infinite norm) between two nodes at which they are
280 * considered not coincident.
281 * \param [in] limitNodeId - limit node id. If all nodes within a group of coincident
282 * nodes have id strictly lower than \a limitTupleId then they are not
283 * returned. Put -1 to this parameter to have all nodes treated.
284 * \param [out] comm - the array holding ids of coincident nodes.
285 * \a comm->getNumberOfComponents() == 1.
286 * \a comm->getNumberOfTuples() == \a commIndex->back(). The caller
287 * is to delete this array using decrRef() as it is no more needed.
288 * \param [out] commIndex - the array dividing all ids stored in \a comm into
289 * groups of (ids of) coincident nodes. Its every value is a tuple
290 * index where a next group of nodes begins. For example the second
291 * group of nodes in \a comm is described by following range of indices:
292 * [ \a commIndex[1], \a commIndex[2] ). \a commIndex->getNumberOfTuples()-1
293 * gives the number of groups of coincident nodes. The caller
294 * is to delete this array using decrRef() as it is no more needed.
295 * \throw If the coordinates array is not set.
297 * \if ENABLE_EXAMPLES
298 * \ref cpp_mcpointset_findcommonnodes "Here is a C++ example".<br>
299 * \ref py_mcpointset_findcommonnodes "Here is a Python example".
302 void MEDCouplingPointSet::findCommonNodes(double prec, int limitNodeId, DataArrayInt *&comm, DataArrayInt *&commIndex) const
305 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::findCommonNodes : no coords specified !");
306 _coords->findCommonTuples(prec,limitNodeId,comm,commIndex);
310 * Finds nodes located at distances lower that \a eps from a given point.
311 * \param [in] pos - pointer to coordinates of the point. This array is expected to
312 * be of length \a this->getSpaceDimension() at least, else the
313 * behavior is not warranted.
314 * \param [in] eps - the lowest distance between a point and a node (using infinite norm) at which the node is
315 * not returned by this method.
316 * \return DataArrayInt * - a new instance of DataArrayInt holding ids of nodes
317 * close to the point. The caller is to delete this
318 * array using decrRef() as it is no more needed.
319 * \throw If the coordinates array is not set.
321 * \if ENABLE_EXAMPLES
322 * \ref cpp_mcpointset_getnodeidsnearpoint "Here is a C++ example".<br>
323 * \ref py_mcpointset_getnodeidsnearpoint "Here is a Python example".
326 DataArrayInt *MEDCouplingPointSet::getNodeIdsNearPoint(const double *pos, double eps) const
328 DataArrayInt *c=0,*cI=0;
329 getNodeIdsNearPoints(pos,1,eps,c,cI);
330 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cITmp(cI);
335 * Finds nodes located at distances lower that \a eps from given points.
336 * \param [in] pos - pointer to coordinates of the points. This array is expected to
337 * be of length \a nbOfPoints * \a this->getSpaceDimension() at least, else the
338 * behavior is not warranted.
339 * \param [in] nbOfPoints - number of points whose coordinates are given by \a pos
341 * \param [in] eps - the lowest distance between (using infinite norm) a point and a node at which the node is
342 * not returned by this method.
343 * \param [out] c - array returning ids of nodes located closer than \a eps to the
344 * given points. The caller
345 * is to delete this array using decrRef() as it is no more needed.
346 * \param [out] cI - for each i-th given point, the array specifies tuples of \a c
347 * holding ids of nodes close to the i-th point. <br>The i-th value of \a cI is an
348 * index of tuple of \a c holding id of a first (if any) node close to the
349 * i-th given point. Difference between the i-th and (i+1)-th value of \a cI
350 * (i.e. \a cI[ i+1 ] - \a cI[ i ]) defines number of nodes close to the i-th
351 * point (that can be zero!). For example, the group of nodes close to the
352 * second point is described by following range of indices [ \a cI[1], \a cI[2] ).
353 * The caller is to delete this array using decrRef() as it is no more needed.
354 * \throw If the coordinates array is not set.
356 * \if ENABLE_EXAMPLES
357 * \ref cpp_mcpointset_getnodeidsnearpoints "Here is a C++ example".<br>
358 * \ref py_mcpointset_getnodeidsnearpoints "Here is a Python example".
361 void MEDCouplingPointSet::getNodeIdsNearPoints(const double *pos, int nbOfPoints, double eps, DataArrayInt *& c, DataArrayInt *& cI) const
364 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::getNodeIdsNearPoint : no coordiantes set !");
365 int spaceDim=getSpaceDimension();
366 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> points=DataArrayDouble::New();
367 points->useArray(pos,false,CPP_DEALLOC,nbOfPoints,spaceDim);
368 _coords->computeTupleIdsNearTuples(points,eps,c,cI);
372 * @param comm in param in the same format than one returned by findCommonNodes method.
373 * @param commI in param in the same format than one returned by findCommonNodes method.
374 * @return the old to new correspondance array.
376 DataArrayInt *MEDCouplingPointSet::buildNewNumberingFromCommonNodesFormat(const DataArrayInt *comm, const DataArrayInt *commIndex,
377 int& newNbOfNodes) const
380 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::buildNewNumberingFromCommonNodesFormat : no coords specified !");
381 return DataArrayInt::BuildOld2NewArrayFromSurjectiveFormat2(getNumberOfNodes(),comm->begin(),commIndex->begin(),commIndex->end(),newNbOfNodes);
385 * Permutes and possibly removes nodes as specified by \a newNodeNumbers array.
386 * If \a newNodeNumbers[ i ] < 0 then the i-th node is removed,
387 * else \a newNodeNumbers[ i ] is a new id of the i-th node. The nodal connectivity
388 * array is modified accordingly.
389 * \param [in] newNodeNumbers - a permutation array, of length \a
390 * this->getNumberOfNodes(), in "Old to New" mode.
391 * See \ref MEDCouplingArrayRenumbering for more info on renumbering modes.
392 * \param [in] newNbOfNodes - number of nodes remaining after renumbering.
393 * \throw If the coordinates array is not set.
394 * \throw If the nodal connectivity of cells is not defined.
396 * \if ENABLE_EXAMPLES
397 * \ref cpp_mcumesh_renumberNodes "Here is a C++ example".<br>
398 * \ref py_mcumesh_renumberNodes "Here is a Python example".
401 void MEDCouplingPointSet::renumberNodes(const int *newNodeNumbers, int newNbOfNodes)
404 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::renumberNodes : no coords specified !");
405 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> newCoords=_coords->renumberAndReduce(newNodeNumbers,newNbOfNodes);
406 renumberNodesInConn(newNodeNumbers);
407 setCoords(newCoords);//let it here not before renumberNodesInConn because old number of nodes is sometimes used...
411 * Permutes and possibly removes nodes as specified by \a newNodeNumbers array.
412 * If \a newNodeNumbers[ i ] < 0 then the i-th node is removed,
413 * else \a newNodeNumbers[ i ] is a new id of the i-th node. The nodal connectivity
414 * array is modified accordingly. In contrast to renumberNodes(), location
415 * of merged nodes (whose new ids coincide) is changed to be at their barycenter.
416 * \param [in] newNodeNumbers - a permutation array, of length \a
417 * this->getNumberOfNodes(), in "Old to New" mode.
418 * See \ref MEDCouplingArrayRenumbering for more info on renumbering modes.
419 * \param [in] newNbOfNodes - number of nodes remaining after renumbering, which is
420 * actually one more than the maximal id in \a newNodeNumbers.
421 * \throw If the coordinates array is not set.
422 * \throw If the nodal connectivity of cells is not defined.
424 * \if ENABLE_EXAMPLES
425 * \ref cpp_mcumesh_renumberNodes "Here is a C++ example".<br>
426 * \ref py_mcumesh_renumberNodes "Here is a Python example".
429 void MEDCouplingPointSet::renumberNodes2(const int *newNodeNumbers, int newNbOfNodes)
431 DataArrayDouble *newCoords=DataArrayDouble::New();
432 std::vector<int> div(newNbOfNodes);
433 int spaceDim=getSpaceDimension();
434 newCoords->alloc(newNbOfNodes,spaceDim);
435 newCoords->copyStringInfoFrom(*_coords);
436 newCoords->fillWithZero();
437 int oldNbOfNodes=getNumberOfNodes();
438 double *ptToFill=newCoords->getPointer();
439 const double *oldCoordsPtr=_coords->getConstPointer();
440 for(int i=0;i<oldNbOfNodes;i++)
442 std::transform(oldCoordsPtr+i*spaceDim,oldCoordsPtr+(i+1)*spaceDim,ptToFill+newNodeNumbers[i]*spaceDim,
443 ptToFill+newNodeNumbers[i]*spaceDim,std::plus<double>());
444 div[newNodeNumbers[i]]++;
446 for(int i=0;i<newNbOfNodes;i++)
447 ptToFill=std::transform(ptToFill,ptToFill+spaceDim,ptToFill,std::bind2nd(std::multiplies<double>(),1./(double)div[i]));
448 setCoords(newCoords);
449 newCoords->decrRef();
450 renumberNodesInConn(newNodeNumbers);
454 * Computes the minimum box bounding all nodes. The edges of the box are parallel to
455 * the Cartesian coordinate axes. The bounding box is described by coordinates of its
456 * two extremum points with minimal and maximal coordinates.
457 * \param [out] bbox - array filled with coordinates of extremum points in "no
458 * interlace" mode, i.e. xMin, xMax, yMin, yMax, zMin, zMax (if in 3D). This
459 * array, of length 2 * \a this->getSpaceDimension() at least, is to be
460 * pre-allocated by the caller.
461 * \throw If the coordinates array is not set.
463 * \if ENABLE_EXAMPLES
464 * \ref cpp_mcpointset_getBoundingBox "Here is a C++ example".<br>
465 * \ref py_mcpointset_getBoundingBox "Here is a Python example".
468 void MEDCouplingPointSet::getBoundingBox(double *bbox) const
471 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::getBoundingBox : Coordinates not set !");
472 _coords->getMinMaxPerComponent(bbox);
476 * Removes "free" nodes, i.e. nodes not used to define any element.
477 * \throw If the coordinates array is not set.
478 * \throw If the elements are not defined.
480 void MEDCouplingPointSet::zipCoords()
483 DataArrayInt *traducer=zipCoordsTraducer();
487 struct MEDCouplingCompAbs
489 bool operator()(double x, double y) { return std::abs(x)<std::abs(y);}
493 * Returns the carateristic dimension of \a this point set, that is a maximal
494 * absolute values of node coordinates.
495 * \throw If the coordinates array is not set.
497 double MEDCouplingPointSet::getCaracteristicDimension() const
500 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::getCaracteristicDimension : Coordinates not set !");
501 const double *coords=_coords->getConstPointer();
502 int nbOfValues=_coords->getNbOfElems();
503 return std::abs(*std::max_element(coords,coords+nbOfValues,MEDCouplingCompAbs()));
507 * This method recenter coordinates of nodes in \b this in order to be centered at the origin to benefit about the advantages of the precision to be around the box
508 * around origin of 'radius' 1.
510 * \warning this method is non const and alterates coordinates in \b this without modifying.
511 * \param [in] eps absolute epsilon. under that value of delta between max and min no scale is performed.
514 void MEDCouplingPointSet::recenterForMaxPrecision(double eps)
517 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::recenterForMaxPrecision : Coordinates not set !");
518 _coords->recenterForMaxPrecision(eps);
523 * Rotates \a this set of nodes by \a angle around either an axis (in 3D) or a point
525 * \param [in] center - coordinates either of an origin of rotation axis (in 3D) or
526 * of center of rotation (in 2D). This array is to be of size \a
527 * this->getSpaceDimension() at least.
528 * \param [in] vector - 3 components of a vector defining direction of the rotation
529 * axis in 3D. In 2D this parameter is not used.
530 * \param [in] angle - the rotation angle in radians.
531 * \throw If the coordinates array is not set.
532 * \throw If \a this->getSpaceDimension() != 2 && \a this->getSpaceDimension() != 3.
533 * \throw If \a center == NULL
534 * \throw If \a vector == NULL && \a this->getSpaceDimension() == 3.
535 * \throw If Magnitude of \a vector is zero.
537 * \if ENABLE_EXAMPLES
538 * \ref cpp_mcpointset_rotate "Here is a C++ example".<br>
539 * \ref py_mcpointset_rotate "Here is a Python example".
542 void MEDCouplingPointSet::rotate(const double *center, const double *vector, double angle)
544 int spaceDim=getSpaceDimension();
546 rotate3D(center,vector,angle);
548 rotate2D(center,angle);
550 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::rotate : invalid space dim for rotation must be 2 or 3");
551 _coords->declareAsNew();
556 * Translates \a this set of nodes.
557 * \param [in] vector - components of a translation vector. This array is to be of
558 * size \a this->getSpaceDimension() at least.
559 * \throw If the coordinates array is not set.
560 * \throw If \a vector == NULL.
562 * \if ENABLE_EXAMPLES
563 * \ref cpp_mcpointset_translate "Here is a C++ example".<br>
564 * \ref py_mcpointset_translate "Here is a Python example".
567 void MEDCouplingPointSet::translate(const double *vector)
570 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::translate : NULL input vector !");
572 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::translate : no coordinates set !");
573 double *coords=_coords->getPointer();
574 int nbNodes=getNumberOfNodes();
575 int dim=getSpaceDimension();
576 for(int i=0; i<nbNodes; i++)
577 for(int idim=0; idim<dim;idim++)
578 coords[i*dim+idim]+=vector[idim];
579 _coords->declareAsNew();
585 * Applies scaling transformation to \a this set of nodes.
586 * \param [in] point - coordinates of a scaling center. This array is to be of
587 * size \a this->getSpaceDimension() at least.
588 * \param [in] factor - a scale factor.
589 * \throw If the coordinates array is not set.
590 * \throw If \a point == NULL.
592 * \if ENABLE_EXAMPLES
593 * \ref cpp_mcpointset_scale "Here is a C++ example".<br>
594 * \ref py_mcpointset_scale "Here is a Python example".
597 void MEDCouplingPointSet::scale(const double *point, double factor)
600 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::scale : NULL input point !");
602 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::scale : no coordinates set !");
603 double *coords=_coords->getPointer();
604 int nbNodes=getNumberOfNodes();
605 int dim=getSpaceDimension();
606 for(int i=0;i<nbNodes;i++)
608 std::transform(coords+i*dim,coords+(i+1)*dim,point,coords+i*dim,std::minus<double>());
609 std::transform(coords+i*dim,coords+(i+1)*dim,coords+i*dim,std::bind2nd(std::multiplies<double>(),factor));
610 std::transform(coords+i*dim,coords+(i+1)*dim,point,coords+i*dim,std::plus<double>());
612 _coords->declareAsNew();
617 * Converts \a this set of points to an other dimension by changing number of
618 * components of point coordinates. If the dimension increases, added components
619 * are filled with \a dftValue. If the dimension decreases, last components are lost.
620 * If the new dimension is same as \a this->getSpaceDimension(), nothing is done.
621 * \param [in] newSpaceDim - the new space dimension.
622 * \param [in] dftValue - the value to assign to added components of point coordinates
623 * (if the dimension increases).
624 * \throw If the coordinates array is not set.
625 * \throw If \a newSpaceDim < 1.
627 void MEDCouplingPointSet::changeSpaceDimension(int newSpaceDim, double dftValue)
630 throw INTERP_KERNEL::Exception("changeSpaceDimension must be called on an MEDCouplingPointSet instance with coordinates set !");
632 throw INTERP_KERNEL::Exception("changeSpaceDimension must be called a newSpaceDim >=1 !");
633 int oldSpaceDim=getSpaceDimension();
634 if(newSpaceDim==oldSpaceDim)
636 DataArrayDouble *newCoords=getCoords()->changeNbOfComponents(newSpaceDim,dftValue);
637 setCoords(newCoords);
638 newCoords->decrRef();
643 * Substitutes \a this->_coords with \a other._coords provided that coordinates of
644 * the two point sets match with a specified precision, else an exception is thrown.
645 * \param [in] other - the other point set whose coordinates array will be used by
646 * \a this point set in case of their equality.
647 * \param [in] epsilon - the precision used to compare coordinates.
648 * \throw If the coordinates array of \a this is not set.
649 * \throw If the coordinates array of \a other is not set.
650 * \throw If the coordinates of \a this and \a other do not match.
652 void MEDCouplingPointSet::tryToShareSameCoords(const MEDCouplingPointSet& other, double epsilon)
654 if(_coords==other._coords)
657 throw INTERP_KERNEL::Exception("Current instance has no coords whereas other has !");
659 throw INTERP_KERNEL::Exception("Other instance has no coords whereas current has !");
660 if(!_coords->isEqualWithoutConsideringStr(*other._coords,epsilon))
661 throw INTERP_KERNEL::Exception("Coords are not the same !");
662 setCoords(other._coords);
666 * This method duplicates the nodes whose ids are in [\b nodeIdsToDuplicateBg, \b nodeIdsToDuplicateEnd) and put the result of their duplication at the end
667 * of existing node ids.
669 * \param [in] nodeIdsToDuplicateBg begin of node ids (included) to be duplicated in connectivity only
670 * \param [in] nodeIdsToDuplicateEnd end of node ids (excluded) to be duplicated in connectivity only
672 void MEDCouplingPointSet::duplicateNodesInCoords(const int *nodeIdsToDuplicateBg, const int *nodeIdsToDuplicateEnd)
675 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::duplicateNodesInCoords : no coords set !");
676 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> newCoords=_coords->selectByTupleIdSafe(nodeIdsToDuplicateBg,nodeIdsToDuplicateEnd);
677 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> newCoords2=DataArrayDouble::Aggregate(_coords,newCoords);
678 setCoords(newCoords2);
682 * Finds nodes located at distance lower that \a eps from a specified plane.
683 * \param [in] pt - 3 components of a point defining location of the plane.
684 * \param [in] vec - 3 components of a normal vector to the plane. Vector magnitude
685 * must be greater than 10*\a eps.
686 * \param [in] eps - maximal distance of a node from the plane at which the node is
687 * considered to lie on the plane.
688 * \param [in,out] nodes - a vector returning ids of found nodes. This vector is not
689 * cleared before filling in.
690 * \throw If the coordinates array is not set.
691 * \throw If \a pt == NULL.
692 * \throw If \a vec == NULL.
693 * \throw If the magnitude of \a vec is zero.
694 * \throw If \a this->getSpaceDimension() != 3.
696 void MEDCouplingPointSet::findNodesOnPlane(const double *pt, const double *vec, double eps, std::vector<int>& nodes) const
698 if(getSpaceDimension()!=3)
699 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::findNodesOnPlane : Invalid spacedim to be applied on this ! Must be equal to 3 !");
701 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::findNodesOnPlane : NULL point pointer specified !");
703 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::findNodesOnPlane : NULL vector pointer specified !");
704 int nbOfNodes=getNumberOfNodes();
705 double a=vec[0],b=vec[1],c=vec[2],d=-pt[0]*vec[0]-pt[1]*vec[1]-pt[2]*vec[2];
706 double deno=sqrt(a*a+b*b+c*c);
707 if(deno<std::numeric_limits<double>::min())
708 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::findNodesOnPlane : vector pointer specified has norm equal to 0. !");
709 const double *work=_coords->getConstPointer();
710 for(int i=0;i<nbOfNodes;i++)
712 if(std::abs(a*work[0]+b*work[1]+c*work[2]+d)/deno<eps)
719 * Finds nodes located at distance lower that \a eps from a specified line in 2D and 3D.
720 * \param [in] pt - components of coordinates of an initial point of the line. This
721 * array is to be of size \a this->getSpaceDimension() at least.
722 * \param [in] vec - components of a vector defining the line direction. This array
723 * is to be of size \a this->getSpaceDimension() at least. Vector magnitude
724 * must be greater than 10*\a eps.
725 * \param [in] eps - maximal distance of a node from the line at which the node is
726 * considered to lie on the line.
727 * \param [in,out] nodes - a vector returning ids of found nodes. This vector is not
728 * cleared before filling in.
729 * \throw If the coordinates array is not set.
730 * \throw If \a pt == NULL.
731 * \throw If \a vec == NULL.
732 * \throw If the magnitude of \a vec is zero.
733 * \throw If ( \a this->getSpaceDimension() != 3 && \a this->getSpaceDimension() != 2 ).
735 void MEDCouplingPointSet::findNodesOnLine(const double *pt, const double *vec, double eps, std::vector<int>& nodes) const
737 int spaceDim=getSpaceDimension();
738 if(spaceDim!=2 && spaceDim!=3)
739 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::findNodesOnLine : Invalid spacedim to be applied on this ! Must be equal to 2 or 3 !");
741 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::findNodesOnLine : NULL point pointer specified !");
743 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::findNodesOnLine : NULL vector pointer specified !");
744 int nbOfNodes=getNumberOfNodes();
746 for(int i=0;i<spaceDim;i++)
748 double deno=sqrt(den);
750 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::findNodesOnLine : Invalid given direction vector ! Norm is too small !");
751 INTERP_KERNEL::AutoPtr<double> vecn=new double[spaceDim];
752 for(int i=0;i<spaceDim;i++)
754 const double *work=_coords->getConstPointer();
757 for(int i=0;i<nbOfNodes;i++)
759 if(std::abs(vecn[0]*(work[1]-pt[1])-vecn[1]*(work[0]-pt[0]))<eps)
766 for(int i=0;i<nbOfNodes;i++)
768 double a=vecn[0]*(work[1]-pt[1])-vecn[1]*(work[0]-pt[0]);
769 double b=vecn[1]*(work[2]-pt[2])-vecn[2]*(work[1]-pt[1]);
770 double c=vecn[2]*(work[0]-pt[0])-vecn[0]*(work[2]-pt[2]);
771 if(std::sqrt(a*a+b*b+c*c)<eps)
779 * Returns a new array of node coordinates by concatenating node coordinates of two
780 * given point sets, so that (1) the number of nodes in the result array is a sum of the
781 * number of nodes of given point sets and (2) the number of component in the result array
782 * is same as that of each of given point sets. Info on components is copied from the first
783 * of the given point set. Space dimension of the given point sets must be the same.
784 * \param [in] m1 - a point set whose coordinates will be included in the result array.
785 * \param [in] m2 - another point set whose coordinates will be included in the
787 * \return DataArrayDouble * - the new instance of DataArrayDouble.
788 * The caller is to delete this result array using decrRef() as it is no more
790 * \throw If both \a m1 and \a m2 are NULL.
791 * \throw If \a m1->getSpaceDimension() != \a m2->getSpaceDimension().
793 DataArrayDouble *MEDCouplingPointSet::MergeNodesArray(const MEDCouplingPointSet *m1, const MEDCouplingPointSet *m2)
795 int spaceDim=m1->getSpaceDimension();
796 if(spaceDim!=m2->getSpaceDimension())
797 throw INTERP_KERNEL::Exception("Mismatch in SpaceDim during call of MergeNodesArray !");
798 return DataArrayDouble::Aggregate(m1->getCoords(),m2->getCoords());
801 DataArrayDouble *MEDCouplingPointSet::MergeNodesArray(const std::vector<const MEDCouplingPointSet *>& ms)
804 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::MergeNodesArray : input array must be NON EMPTY !");
805 std::vector<const MEDCouplingPointSet *>::const_iterator it=ms.begin();
806 std::vector<const DataArrayDouble *> coo(ms.size());
807 int spaceDim=(*it)->getSpaceDimension();
808 coo[0]=(*it++)->getCoords();
809 if(!coo[0]->isAllocated())
810 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::MergeNodesArray : first element in coordinates is not allocated !");
811 for(int i=1;it!=ms.end();it++,i++)
813 const DataArrayDouble *tmp=(*it)->getCoords();
816 if(tmp->isAllocated())
818 if((*it)->getSpaceDimension()==spaceDim)
821 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::MergeNodesArray : Mismatch in SpaceDim !");
824 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::MergeNodesArray : Presence of a non allocated array !");
827 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::MergeNodesArray : Empty coords detected !");
829 return DataArrayDouble::Aggregate(coo);
833 * Factory to build new instance of instanciable subclasses of MEDCouplingPointSet.
834 * This method is used during unserialization process.
836 MEDCouplingPointSet *MEDCouplingPointSet::BuildInstanceFromMeshType(MEDCouplingMeshType type)
841 return MEDCouplingUMesh::New();
842 case SINGLE_STATIC_GEO_TYPE_UNSTRUCTURED:
843 return MEDCoupling1SGTUMesh::New();
844 case SINGLE_DYNAMIC_GEO_TYPE_UNSTRUCTURED:
845 return MEDCoupling1DGTUMesh::New();
847 throw INTERP_KERNEL::Exception("Invalid type of mesh specified");
852 * First step of serialization process. Used by ParaMEDMEM and MEDCouplingCorba to transfert data between process.
854 void MEDCouplingPointSet::getTinySerializationInformation(std::vector<double>& tinyInfoD, std::vector<int>& tinyInfo, std::vector<std::string>& littleStrings) const
857 double time=getTime(it,order);
860 int spaceDim=getSpaceDimension();
861 littleStrings.resize(spaceDim+4);
862 littleStrings[0]=getName();
863 littleStrings[1]=getDescription();
864 littleStrings[2]=_coords->getName();
865 littleStrings[3]=getTimeUnit();
866 for(int i=0;i<spaceDim;i++)
867 littleStrings[i+4]=getCoords()->getInfoOnComponent(i);
869 tinyInfo.push_back(getType());
870 tinyInfo.push_back(spaceDim);
871 tinyInfo.push_back(getNumberOfNodes());
872 tinyInfo.push_back(it);
873 tinyInfo.push_back(order);
874 tinyInfoD.push_back(time);
878 littleStrings.resize(3);
879 littleStrings[0]=getName();
880 littleStrings[1]=getDescription();
881 littleStrings[2]=getTimeUnit();
883 tinyInfo.push_back(getType());
884 tinyInfo.push_back(-1);
885 tinyInfo.push_back(-1);
886 tinyInfo.push_back(it);
887 tinyInfo.push_back(order);
888 tinyInfoD.push_back(time);
893 * Third and final step of serialization process.
895 void MEDCouplingPointSet::serialize(DataArrayInt *&a1, DataArrayDouble *&a2) const
899 a2=const_cast<DataArrayDouble *>(getCoords());
907 * Second step of serialization process.
908 * @param tinyInfo must be equal to the result given by getTinySerializationInformation method.
910 void MEDCouplingPointSet::resizeForUnserialization(const std::vector<int>& tinyInfo, DataArrayInt *a1, DataArrayDouble *a2, std::vector<std::string>& littleStrings) const
912 if(tinyInfo[2]>=0 && tinyInfo[1]>=1)
914 a2->alloc(tinyInfo[2],tinyInfo[1]);
915 littleStrings.resize(tinyInfo[1]+4);
919 littleStrings.resize(3);
924 * Second and final unserialization process.
925 * @param tinyInfo must be equal to the result given by getTinySerializationInformation method.
927 void MEDCouplingPointSet::unserialization(const std::vector<double>& tinyInfoD, const std::vector<int>& tinyInfo, const DataArrayInt *a1, DataArrayDouble *a2, const std::vector<std::string>& littleStrings)
929 if(tinyInfo[2]>=0 && tinyInfo[1]>=1)
932 setName(littleStrings[0]);
933 setDescription(littleStrings[1]);
934 a2->setName(littleStrings[2]);
935 setTimeUnit(littleStrings[3]);
936 for(int i=0;i<tinyInfo[1];i++)
937 getCoords()->setInfoOnComponent(i,littleStrings[i+4]);
938 setTime(tinyInfoD[0],tinyInfo[3],tinyInfo[4]);
942 setName(littleStrings[0]);
943 setDescription(littleStrings[1]);
944 setTimeUnit(littleStrings[2]);
945 setTime(tinyInfoD[0],tinyInfo[3],tinyInfo[4]);
949 void MEDCouplingPointSet::checkCoherency() const
952 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::checkCoherency : no coordinates set !");
956 * Intersect Bounding Box given 2 Bounding Boxes.
958 bool MEDCouplingPointSet::intersectsBoundingBox(const double* bb1, const double* bb2, int dim, double eps)
960 double* bbtemp = new double[2*dim];
963 for (int i=0; i< dim; i++)
965 double delta = bb1[2*i+1]-bb1[2*i];
966 if ( delta > deltamax )
971 for (int i=0; i<dim; i++)
973 bbtemp[i*2]=bb1[i*2]-deltamax*eps;
974 bbtemp[i*2+1]=bb1[i*2+1]+deltamax*eps;
977 for (int idim=0; idim < dim; idim++)
979 bool intersects = (bbtemp[idim*2]<bb2[idim*2+1])
980 && (bb2[idim*2]<bbtemp[idim*2+1]) ;
992 * Intersect 2 given Bounding Boxes.
994 bool MEDCouplingPointSet::intersectsBoundingBox(const INTERP_KERNEL::DirectedBoundingBox& bb1, const double* bb2, int dim, double eps)
996 double* bbtemp = new double[2*dim];
999 for (int i=0; i< dim; i++)
1001 double delta = bb2[2*i+1]-bb2[2*i];
1002 if ( delta > deltamax )
1007 for (int i=0; i<dim; i++)
1009 bbtemp[i*2]=bb2[i*2]-deltamax*eps;
1010 bbtemp[i*2+1]=bb2[i*2+1]+deltamax*eps;
1013 bool intersects = !bb1.isDisjointWith( bbtemp );
1019 * 'This' is expected to be of spaceDim==3. Idem for 'center' and 'vect'
1021 void MEDCouplingPointSet::rotate3D(const double *center, const double *vect, double angle)
1023 double *coords=_coords->getPointer();
1024 int nbNodes=getNumberOfNodes();
1025 Rotate3DAlg(center,vect,angle,nbNodes,coords);
1029 * Low static method that operates 3D rotation of 'nbNodes' 3D nodes whose coordinates are arranged in 'coords'
1030 * around an axe ('center','vect') and with angle 'angle'.
1032 void MEDCouplingPointSet::Rotate3DAlg(const double *center, const double *vect, double angle, int nbNodes, double *coords)
1034 if(!center || !vect)
1035 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::Rotate3DAlg : null vector in input !");
1036 double sina=sin(angle);
1037 double cosa=cos(angle);
1038 double vectorNorm[3];
1040 double matrixTmp[9];
1041 double norm=sqrt(vect[0]*vect[0]+vect[1]*vect[1]+vect[2]*vect[2]);
1042 if(norm<std::numeric_limits<double>::min())
1043 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::Rotate3DAlg : magnitude of input vector is too close of 0. !");
1044 std::transform(vect,vect+3,vectorNorm,std::bind2nd(std::multiplies<double>(),1/norm));
1045 //rotation matrix computation
1046 matrix[0]=cosa; matrix[1]=0.; matrix[2]=0.; matrix[3]=0.; matrix[4]=cosa; matrix[5]=0.; matrix[6]=0.; matrix[7]=0.; matrix[8]=cosa;
1047 matrixTmp[0]=vectorNorm[0]*vectorNorm[0]; matrixTmp[1]=vectorNorm[0]*vectorNorm[1]; matrixTmp[2]=vectorNorm[0]*vectorNorm[2];
1048 matrixTmp[3]=vectorNorm[1]*vectorNorm[0]; matrixTmp[4]=vectorNorm[1]*vectorNorm[1]; matrixTmp[5]=vectorNorm[1]*vectorNorm[2];
1049 matrixTmp[6]=vectorNorm[2]*vectorNorm[0]; matrixTmp[7]=vectorNorm[2]*vectorNorm[1]; matrixTmp[8]=vectorNorm[2]*vectorNorm[2];
1050 std::transform(matrixTmp,matrixTmp+9,matrixTmp,std::bind2nd(std::multiplies<double>(),1-cosa));
1051 std::transform(matrix,matrix+9,matrixTmp,matrix,std::plus<double>());
1052 matrixTmp[0]=0.; matrixTmp[1]=-vectorNorm[2]; matrixTmp[2]=vectorNorm[1];
1053 matrixTmp[3]=vectorNorm[2]; matrixTmp[4]=0.; matrixTmp[5]=-vectorNorm[0];
1054 matrixTmp[6]=-vectorNorm[1]; matrixTmp[7]=vectorNorm[0]; matrixTmp[8]=0.;
1055 std::transform(matrixTmp,matrixTmp+9,matrixTmp,std::bind2nd(std::multiplies<double>(),sina));
1056 std::transform(matrix,matrix+9,matrixTmp,matrix,std::plus<double>());
1057 //rotation matrix computed.
1059 for(int i=0; i<nbNodes; i++)
1061 std::transform(coords+i*3,coords+(i+1)*3,center,tmp,std::minus<double>());
1062 coords[i*3]=matrix[0]*tmp[0]+matrix[1]*tmp[1]+matrix[2]*tmp[2]+center[0];
1063 coords[i*3+1]=matrix[3]*tmp[0]+matrix[4]*tmp[1]+matrix[5]*tmp[2]+center[1];
1064 coords[i*3+2]=matrix[6]*tmp[0]+matrix[7]*tmp[1]+matrix[8]*tmp[2]+center[2];
1069 * This method allows to give for each cell in \a trgMesh, how much it interacts with cells of \a srcMesh.
1070 * The returned array can be seen as a weighted array on the target cells of \a trgMesh input parameter.
1072 * \param [in] srcMesh - source mesh
1073 * \param [in] trgMesh - target mesh
1074 * \param [in] eps - precision of the detection
1075 * \return DataArrayInt * - An array that gives for each cell of \a trgMesh, how many cells in \a srcMesh (regarding the precision of detection \a eps) can interacts.
1077 * \throw If \a srcMesh and \a trgMesh have not the same space dimension.
1079 DataArrayInt *MEDCouplingPointSet::ComputeNbOfInteractionsWithSrcCells(const MEDCouplingPointSet *srcMesh, const MEDCouplingPointSet *trgMesh, double eps)
1081 if(!srcMesh || !trgMesh)
1082 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::ComputeNbOfInteractionsWithSrcCells : the input meshes must be not NULL !");
1083 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> sbbox(srcMesh->getBoundingBoxForBBTree()),tbbox(trgMesh->getBoundingBoxForBBTree());
1084 return tbbox->computeNbOfInteractionsWith(sbbox,eps);
1088 * Creates a new MEDCouplingMesh containing a part of cells of \a this mesh. The new
1089 * mesh shares a coordinates array with \a this one. The cells to include to the
1090 * result mesh are specified by an array of cell ids.
1091 * \param [in] start - an array of cell ids to include to the result mesh.
1092 * \param [in] end - specifies the end of the array \a start, so that
1093 * the last value of \a start is \a end[ -1 ].
1094 * \return MEDCouplingMesh * - a new instance of MEDCouplingMesh. The caller is to
1095 * delete this mesh using decrRef() as it is no more needed.
1097 MEDCouplingMesh *MEDCouplingPointSet::buildPart(const int *start, const int *end) const
1099 return buildPartOfMySelf(start,end,true);
1103 * Creates a new MEDCouplingMesh containing a part of cells of \a this mesh. The
1104 * cells to include to the result mesh are specified by an array of cell ids.
1105 * <br> This method additionally returns a renumbering map in "Old to New" mode
1106 * which allows the caller to know the mapping between nodes in \a this and the result mesh.
1107 * \param [in] start - an array of cell ids to include to the result mesh.
1108 * \param [in] end - specifies the end of the array \a start, so that
1109 * the last value of \a start is \a end[ -1 ].
1110 * \param [out] arr - a new DataArrayInt that is the "Old to New" renumbering
1111 * map. The caller is to delete this array using decrRef() as it is no more needed.
1112 * \return MEDCouplingMesh * - a new instance of MEDCouplingMesh. The caller is to
1113 * delete this mesh using decrRef() as it is no more needed.
1115 MEDCouplingMesh *MEDCouplingPointSet::buildPartAndReduceNodes(const int *start, const int *end, DataArrayInt*& arr) const
1117 MEDCouplingAutoRefCountObjectPtr<MEDCouplingPointSet> ret=buildPartOfMySelf(start,end,true);
1118 arr=ret->zipCoordsTraducer();
1123 * This method specialized the MEDCouplingMesh::buildPartRange.
1124 * This method is equivalent to MEDCouplingMesh::buildPart method except that here the cell ids are specified using slice
1125 * \a beginCellIds \a endCellIds and \a stepCellIds.
1126 * \b WARNING , there is a big difference compared to MEDCouplingMesh::buildPart method.
1127 * If the input range is equal all cells in \a this, \a this is returned !
1129 * \return a new ref to be managed by the caller. Warning this ref can be equal to \a this if input slice is exactly equal to the whole cells in the same order.
1131 * \sa MEDCouplingUMesh::buildPartOfMySelf2
1133 MEDCouplingMesh *MEDCouplingPointSet::buildPartRange(int beginCellIds, int endCellIds, int stepCellIds) const
1135 if(beginCellIds==0 && endCellIds==getNumberOfCells() && stepCellIds==1)
1137 MEDCouplingMesh *ret(const_cast<MEDCouplingPointSet *>(this));
1143 return buildPartOfMySelf2(beginCellIds,endCellIds,stepCellIds,true);
1148 * This method specialized the MEDCouplingMesh::buildPartRangeAndReduceNodes
1150 * \param [out] beginOut valid only if \a arr not NULL !
1151 * \param [out] endOut valid only if \a arr not NULL !
1152 * \param [out] stepOut valid only if \a arr not NULL !
1153 * \param [out] arr correspondance old to new in node ids.
1155 * \sa MEDCouplingUMesh::buildPartOfMySelf2
1157 MEDCouplingMesh *MEDCouplingPointSet::buildPartRangeAndReduceNodes(int beginCellIds, int endCellIds, int stepCellIds, int& beginOut, int& endOut, int& stepOut, DataArrayInt*& arr) const
1159 MEDCouplingAutoRefCountObjectPtr<MEDCouplingPointSet> ret=buildPartOfMySelf2(beginCellIds,endCellIds,stepCellIds,true);
1160 arr=ret->zipCoordsTraducer();
1165 * 'This' is expected to be of spaceDim==2. Idem for 'center' and 'vect'
1167 void MEDCouplingPointSet::rotate2D(const double *center, double angle)
1169 double *coords=_coords->getPointer();
1170 int nbNodes=getNumberOfNodes();
1171 Rotate2DAlg(center,angle,nbNodes,coords);
1175 * Low static method that operates 3D rotation of 'nbNodes' 3D nodes whose coordinates are arranged in 'coords'
1176 * around the center point 'center' and with angle 'angle'.
1178 void MEDCouplingPointSet::Rotate2DAlg(const double *center, double angle, int nbNodes, double *coords)
1180 double cosa=cos(angle);
1181 double sina=sin(angle);
1183 matrix[0]=cosa; matrix[1]=-sina; matrix[2]=sina; matrix[3]=cosa;
1185 for(int i=0; i<nbNodes; i++)
1187 std::transform(coords+i*2,coords+(i+1)*2,center,tmp,std::minus<double>());
1188 coords[i*2]=matrix[0]*tmp[0]+matrix[1]*tmp[1]+center[0];
1189 coords[i*2+1]=matrix[2]*tmp[0]+matrix[3]*tmp[1]+center[1];
1198 static const int MY_SPACEDIM=3;
1199 static const int MY_MESHDIM=2;
1200 typedef int MyConnType;
1201 static const INTERP_KERNEL::NumberingPolicy My_numPol=INTERP_KERNEL::ALL_C_MODE;
1207 * res should be an empty vector before calling this method.
1208 * This method returns all the node coordinates included in _coords which ids are in [startConn;endConn) and put it into 'res' vector.
1209 * If spaceDim==3 a projection will be done for each nodes on the middle plane containing these all nodes in [startConn;endConn).
1210 * And after each projected nodes are moved to Oxy plane in order to consider these nodes as 2D nodes.
1212 void MEDCouplingPointSet::project2DCellOnXY(const int *startConn, const int *endConn, std::vector<double>& res) const
1214 const double *coords=_coords->getConstPointer();
1215 int spaceDim=getSpaceDimension();
1216 for(const int *it=startConn;it!=endConn;it++)
1217 res.insert(res.end(),coords+spaceDim*(*it),coords+spaceDim*(*it+1));
1222 std::vector<double> cpy(res);
1223 int nbNodes=(int)std::distance(startConn,endConn);
1224 INTERP_KERNEL::PlanarIntersector<DummyClsMCPS,int>::Projection(&res[0],&cpy[0],nbNodes,nbNodes,1.e-12,0./*max distance*/,-1./*min dot*/,0.,true);
1225 res.resize(2*nbNodes);
1226 for(int i=0;i<nbNodes;i++)
1229 res[2*i+1]=cpy[3*i+1];
1233 throw INTERP_KERNEL::Exception("Invalid spacedim for project2DCellOnXY !");
1237 * low level method that checks that the 2D cell is not a butterfly cell.
1239 bool MEDCouplingPointSet::isButterfly2DCell(const std::vector<double>& res, bool isQuad, double eps)
1241 std::size_t nbOfNodes=res.size()/2;
1242 std::vector<INTERP_KERNEL::Node *> nodes(nbOfNodes);
1243 for(std::size_t i=0;i<nbOfNodes;i++)
1245 INTERP_KERNEL::Node *tmp=new INTERP_KERNEL::Node(res[2*i],res[2*i+1]);
1248 INTERP_KERNEL::QUADRATIC_PLANAR::_precision=eps;
1249 INTERP_KERNEL::QUADRATIC_PLANAR::_arc_detection_precision=eps;
1250 INTERP_KERNEL::QuadraticPolygon *pol=0;
1252 pol=INTERP_KERNEL::QuadraticPolygon::BuildArcCirclePolygon(nodes);
1254 pol=INTERP_KERNEL::QuadraticPolygon::BuildLinearPolygon(nodes);
1255 bool ret=pol->isButterflyAbs();
1261 * This method compares 2 cells coming from two unstructured meshes : \a this and \a other.
1262 * This method compares 2 cells having the same id 'cellId' in \a this and \a other.
1264 bool MEDCouplingPointSet::areCellsFrom2MeshEqual(const MEDCouplingPointSet *other, int cellId, double prec) const
1266 if(getTypeOfCell(cellId)!=other->getTypeOfCell(cellId))
1268 std::vector<int> c1,c2;
1269 getNodeIdsOfCell(cellId,c1);
1270 other->getNodeIdsOfCell(cellId,c2);
1271 std::size_t sz=c1.size();
1274 for(std::size_t i=0;i<sz;i++)
1276 std::vector<double> n1,n2;
1277 getCoordinatesOfNode(c1[0],n1);
1278 other->getCoordinatesOfNode(c2[0],n2);
1279 std::transform(n1.begin(),n1.end(),n2.begin(),n1.begin(),std::minus<double>());
1280 std::transform(n1.begin(),n1.end(),n1.begin(),std::ptr_fun<double,double>(fabs));
1281 if(*std::max_element(n1.begin(),n1.end())>prec)
1288 * Substitutes node coordinates array of \a this mesh with that of \a other mesh
1289 * (i.e. \a this->_coords with \a other._coords) provided that coordinates of the two
1290 * meshes match with a specified precision, else an exception is thrown and \a this
1291 * remains unchanged. In case of success the nodal connectivity of \a this mesh
1292 * is permuted according to new order of nodes.
1293 * Contrary to tryToShareSameCoords() this method makes a deeper analysis of
1294 * coordinates (and so more expensive) than simple equality.
1295 * \param [in] other - the other mesh whose node coordinates array will be used by
1296 * \a this mesh in case of their equality.
1297 * \param [in] epsilon - the precision used to compare coordinates (using infinite norm).
1298 * \throw If the coordinates array of \a this is not set.
1299 * \throw If the coordinates array of \a other is not set.
1300 * \throw If the coordinates of \a this and \a other do not match.
1302 void MEDCouplingPointSet::tryToShareSameCoordsPermute(const MEDCouplingPointSet& other, double epsilon)
1304 const DataArrayDouble *coords=other.getCoords();
1306 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::tryToShareSameCoordsPermute : No coords specified in other !");
1308 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::tryToShareSameCoordsPermute : No coords specified in this whereas there is any in other !");
1309 int otherNbOfNodes=other.getNumberOfNodes();
1310 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> newCoords=MergeNodesArray(&other,this);
1312 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> oldCoords=_coords;
1313 setCoords(newCoords);
1314 bool areNodesMerged;
1316 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> da=buildPermArrayForMergeNode(epsilon,otherNbOfNodes,areNodesMerged,newNbOfNodes);
1319 setCoords(oldCoords);
1320 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::tryToShareSameCoordsPermute fails : no nodes are mergeable with specified given epsilon !");
1322 int maxId=*std::max_element(da->getConstPointer(),da->getConstPointer()+otherNbOfNodes);
1323 const int *pt=std::find_if(da->getConstPointer()+otherNbOfNodes,da->getConstPointer()+da->getNbOfElems(),std::bind2nd(std::greater<int>(),maxId));
1324 if(pt!=da->getConstPointer()+da->getNbOfElems())
1326 setCoords(oldCoords);
1327 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::tryToShareSameCoordsPermute fails : some nodes in this are not in other !");
1329 setCoords(oldCoords);
1330 renumberNodesInConn(da->getConstPointer()+otherNbOfNodes);
1334 MEDCouplingPointSet *MEDCouplingPointSet::buildPartOfMySelf(const int *begin, const int *end, bool keepCoords) const
1336 MEDCouplingAutoRefCountObjectPtr<MEDCouplingPointSet> ret=buildPartOfMySelfKeepCoords(begin,end);
1342 MEDCouplingPointSet *MEDCouplingPointSet::buildPartOfMySelf2(int start, int end, int step, bool keepCoords) const
1344 MEDCouplingAutoRefCountObjectPtr<MEDCouplingPointSet> ret=buildPartOfMySelfKeepCoords2(start,end,step);
1351 Creates a new MEDCouplingUMesh containing some cells of \a this mesh. The cells to
1352 copy are selected basing on specified node ids and the value of \a fullyIn
1353 parameter. If \a fullyIn ==\c true, a cell is copied if its all nodes are in the
1354 array \a begin of node ids. If \a fullyIn ==\c false, a cell is copied if any its
1355 node is in the array of node ids. The created mesh shares the node coordinates array
1357 * \param [in] begin - the array of node ids.
1358 * \param [in] end - a pointer to the (last+1)-th element of \a begin.
1359 * \param [in] fullyIn - if \c true, then cells whose all nodes are in the
1360 * array \a begin are copied, else cells whose any node is in the
1361 * array \a begin are copied.
1362 * \return MEDCouplingPointSet * - new instance of MEDCouplingUMesh. The caller is
1363 * to delete this mesh using decrRef() as it is no more needed.
1364 * \throw If the coordinates array is not set.
1365 * \throw If the nodal connectivity of cells is not defined.
1366 * \throw If any node id in \a begin is not valid.
1368 * \if ENABLE_EXAMPLES
1369 * \ref cpp_mcumesh_buildPartOfMySelfNode "Here is a C++ example".<br>
1370 * \ref py_mcumesh_buildPartOfMySelfNode "Here is a Python example".
1373 MEDCouplingPointSet *MEDCouplingPointSet::buildPartOfMySelfNode(const int *begin, const int *end, bool fullyIn) const
1375 DataArrayInt *cellIdsKept=0;
1376 fillCellIdsToKeepFromNodeIds(begin,end,fullyIn,cellIdsKept);
1377 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cellIdsKept2(cellIdsKept);
1378 return buildPartOfMySelf(cellIdsKept->begin(),cellIdsKept->end(),true);
1382 * Removes duplicates of cells from \a this mesh and returns an array mapping between
1383 * new and old cell ids in "Old to New" mode. Nothing is changed in \a this mesh if no
1384 * equal cells found.
1385 * \warning Cells of the result mesh are \b not sorted by geometric type, hence,
1386 * to write this mesh to the MED file, its cells must be sorted using
1387 * sortCellsInMEDFileFrmt().
1388 * \param [in] compType - specifies a cell comparison technique. Meaning of its
1389 * valid values [0,1,2] is as follows.
1390 * - 0 : "exact". Two cells are considered equal \c iff they have exactly same nodal
1391 * connectivity and type. This is the strongest policy.
1392 * - 1 : "permuted same orientation". Two cells are considered equal \c iff they
1393 * are based on same nodes and have the same type and orientation.
1394 * - 2 : "nodal". Two cells are considered equal \c iff they
1395 * are based on same nodes and have the same type. This is the weakest
1396 * policy, it can be used by users not sensitive to cell orientation.
1397 * \param [in] startCellId - specifies the cell id at which search for equal cells
1398 * starts. By default it is 0, which means that all cells in \a this will be
1400 * \return DataArrayInt - a new instance of DataArrayInt, of length \a
1401 * this->getNumberOfCells() before call of this method. The caller is to
1402 * delete this array using decrRef() as it is no more needed.
1403 * \throw If the coordinates array is not set.
1404 * \throw If the nodal connectivity of cells is not defined.
1405 * \throw If the nodal connectivity includes an invalid id.
1407 * \if ENABLE_EXAMPLES
1408 * \ref cpp_mcumesh_zipConnectivityTraducer "Here is a C++ example".<br>
1409 * \ref py_mcumesh_zipConnectivityTraducer "Here is a Python example".
1412 DataArrayInt *MEDCouplingPointSet::zipConnectivityTraducer(int compType, int startCellId)
1414 DataArrayInt *commonCells=0,*commonCellsI=0;
1415 findCommonCells(compType,startCellId,commonCells,commonCellsI);
1416 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> commonCellsTmp(commonCells),commonCellsITmp(commonCellsI);
1417 int newNbOfCells=-1;
1418 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::BuildOld2NewArrayFromSurjectiveFormat2(getNumberOfCells(),commonCells->begin(),commonCellsI->begin(),
1419 commonCellsI->end(),newNbOfCells);
1420 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret2=ret->invertArrayO2N2N2O(newNbOfCells);
1421 MEDCouplingAutoRefCountObjectPtr<MEDCouplingPointSet> self=buildPartOfMySelf(ret2->begin(),ret2->end(),true);
1422 shallowCopyConnectivityFrom(self);
1427 * Checks if \a this and \a other meshes are geometrically equivalent, else an
1428 * exception is thrown. The meshes are
1429 * considered equivalent if (1) \a this mesh contains the same nodes as the \a other
1430 * mesh (with a specified precision) and (2) \a this mesh contains the same cells as
1431 * the \a other mesh (with use of a specified cell comparison technique). The mapping
1432 * from \a other to \a this for nodes and cells is returned via out parameters.
1433 * \param [in] other - the mesh to compare with.
1434 * \param [in] cellCompPol - id [0-2] of cell comparison method. See meaning of
1435 * each method in description of MEDCouplingPointSet::zipConnectivityTraducer().
1436 * \param [in] prec - the precision used to compare nodes of the two meshes.
1437 * \param [out] cellCor - a cell permutation array in "Old to New" mode. The caller is
1438 * to delete this array using decrRef() as it is no more needed.
1439 * \param [out] nodeCor - a node permutation array in "Old to New" mode. The caller is
1440 * to delete this array using decrRef() as it is no more needed.
1441 * \throw If the two meshes do not match.
1443 * \if ENABLE_EXAMPLES
1444 * \ref cpp_mcumesh_checkDeepEquivalWith "Here is a C++ example".<br>
1445 * \ref py_mcumesh_checkDeepEquivalWith "Here is a Python example".
1448 void MEDCouplingPointSet::checkDeepEquivalWith(const MEDCouplingMesh *other, int cellCompPol, double prec,
1449 DataArrayInt *&cellCor, DataArrayInt *&nodeCor) const
1452 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::checkDeepEquivalWith : input is null !");
1453 const MEDCouplingPointSet *otherC=dynamic_cast<const MEDCouplingPointSet *>(other);
1455 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::checkDeepEquivalWith : other is not a PointSet mesh !");
1456 MEDCouplingAutoRefCountObjectPtr<MEDCouplingPointSet> m=dynamic_cast<MEDCouplingPointSet *>(mergeMyselfWith(otherC));
1457 bool areNodesMerged;
1459 int oldNbOfNodes=getNumberOfNodes();
1460 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> da=m->buildPermArrayForMergeNode(prec,oldNbOfNodes,areNodesMerged,newNbOfNodes);
1463 throw INTERP_KERNEL::Exception("checkDeepEquivalWith : Nodes are incompatible ! ");
1464 const int *pt=std::find_if(da->getConstPointer()+oldNbOfNodes,da->getConstPointer()+da->getNbOfElems(),std::bind2nd(std::greater<int>(),oldNbOfNodes-1));
1465 if(pt!=da->getConstPointer()+da->getNbOfElems())
1466 throw INTERP_KERNEL::Exception("checkDeepEquivalWith : some nodes in other are not in this !");
1467 m->renumberNodes(da->getConstPointer(),newNbOfNodes);
1469 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> nodeCor2=da->substr(oldNbOfNodes);
1470 da=m->mergeNodes(prec,areNodesMerged,newNbOfNodes);
1472 da=m->zipConnectivityTraducer(cellCompPol);
1473 int nbCells=getNumberOfCells();
1474 if (nbCells != other->getNumberOfCells())
1475 throw INTERP_KERNEL::Exception("checkDeepEquivalWith : some cells in other are not in this !");
1476 int dan(da->getNumberOfTuples());
1479 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> da1(DataArrayInt::New()),da2(DataArrayInt::New());
1480 da1->alloc(dan/2,1); da2->alloc(dan/2,1);
1481 std::copy(da->getConstPointer(), da->getConstPointer()+dan/2, da1->getPointer());
1482 std::copy(da->getConstPointer()+dan/2, da->getConstPointer()+dan, da2->getPointer());
1483 da1->sort(); da2->sort();
1484 if (!da1->isEqualWithoutConsideringStr(*da2))
1485 throw INTERP_KERNEL::Exception("checkDeepEquivalWith : some cells in other are not in this !");
1487 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cellCor2=da->selectByTupleId2(nbCells,da->getNbOfElems(),1);
1488 nodeCor=nodeCor2->isIdentity()?0:nodeCor2.retn();
1489 cellCor=cellCor2->isIdentity()?0:cellCor2.retn();
1493 * Checks if \a this and \a other meshes are geometrically equivalent, else an
1494 * exception is thrown. The meshes are considered equivalent if (1) they share one
1495 * node coordinates array and (2) they contain the same cells (with use of a specified
1496 * cell comparison technique). The mapping from cells of the \a other to ones of \a this
1497 * is returned via an out parameter.
1498 * \param [in] other - the mesh to compare with.
1499 * \param [in] cellCompPol - id [0-2] of cell comparison method. See the meaning of
1500 * each method in description of MEDCouplingPointSet::zipConnectivityTraducer().
1501 * \param [in] prec - a not used parameter.
1502 * \param [out] cellCor - the permutation array in "Old to New" mode. The caller is
1503 * to delete this array using decrRef() as it is no more needed.
1504 * \throw If the two meshes do not match.
1506 * \if ENABLE_EXAMPLES
1507 * \ref cpp_mcumesh_checkDeepEquivalWith "Here is a C++ example".<br>
1508 * \ref py_mcumesh_checkDeepEquivalWith "Here is a Python example".
1511 void MEDCouplingPointSet::checkDeepEquivalOnSameNodesWith(const MEDCouplingMesh *other, int cellCompPol, double prec,
1512 DataArrayInt *&cellCor) const
1515 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::checkDeepEquivalOnSameNodesWith : input is null !");
1516 const MEDCouplingPointSet *otherC=dynamic_cast<const MEDCouplingPointSet *>(other);
1518 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::checkDeepEquivalOnSameNodesWith : other is not a PointSet mesh !");
1519 if(_coords!=otherC->_coords)
1520 throw INTERP_KERNEL::Exception("checkDeepEquivalOnSameNodesWith : meshes do not share the same coordinates ! Use tryToShareSameCoordinates or call checkDeepEquivalWith !");
1521 MEDCouplingAutoRefCountObjectPtr<MEDCouplingPointSet> m=mergeMyselfWithOnSameCoords(otherC);
1522 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> da=m->zipConnectivityTraducer(cellCompPol);
1523 int maxId=*std::max_element(da->getConstPointer(),da->getConstPointer()+getNumberOfCells());
1524 const int *pt=std::find_if(da->getConstPointer()+getNumberOfCells(),da->getConstPointer()+da->getNbOfElems(),std::bind2nd(std::greater<int>(),maxId));
1525 if(pt!=da->getConstPointer()+da->getNbOfElems())
1527 throw INTERP_KERNEL::Exception("checkDeepEquivalOnSameNodesWith : some cells in other are not in this !");
1529 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cellCor2=da->selectByTupleId2(getNumberOfCells(),da->getNbOfElems(),1);
1530 cellCor=cellCor2->isIdentity()?0:cellCor2.retn();
1533 void MEDCouplingPointSet::checkFastEquivalWith(const MEDCouplingMesh *other, double prec) const
1535 MEDCouplingMesh::checkFastEquivalWith(other,prec);
1536 //other not null checked by the line before
1537 const MEDCouplingPointSet *otherC=dynamic_cast<const MEDCouplingPointSet *>(other);
1539 throw INTERP_KERNEL::Exception("MEDCouplingPointSet::checkFastEquivalWith : fails because other is not a pointset mesh !");
1540 int nbOfCells=getNumberOfCells();
1544 status&=areCellsFrom2MeshEqual(otherC,0,prec);
1545 status&=areCellsFrom2MeshEqual(otherC,nbOfCells/2,prec);
1546 status&=areCellsFrom2MeshEqual(otherC,nbOfCells-1,prec);
1548 throw INTERP_KERNEL::Exception("checkFastEquivalWith : Two meshes are not equal because on 3 test cells some difference have been detected !");
1552 * Finds cells whose all or some nodes are in a given array of node ids.
1553 * \param [in] begin - the array of node ids.
1554 * \param [in] end - a pointer to the (last+1)-th element of \a begin.
1555 * \param [in] fullyIn - if \c true, then cells whose all nodes are in the
1556 * array \a begin are returned only, else cells whose any node is in the
1557 * array \a begin are returned.
1558 * \return DataArrayInt * - a new instance of DataArrayInt holding ids of found
1559 * cells. The caller is to delete this array using decrRef() as it is no more
1561 * \throw If the coordinates array is not set.
1562 * \throw If the nodal connectivity of cells is not defined.
1563 * \throw If any cell id in \a begin is not valid.
1565 * \sa MEDCouplingPointSet::getCellIdsFullyIncludedInNodeIds
1567 * \if ENABLE_EXAMPLES
1568 * \ref cpp_mcumesh_getCellIdsLyingOnNodes "Here is a C++ example".<br>
1569 * \ref py_mcumesh_getCellIdsLyingOnNodes "Here is a Python example".
1572 DataArrayInt *MEDCouplingPointSet::getCellIdsLyingOnNodes(const int *begin, const int *end, bool fullyIn) const
1574 DataArrayInt *cellIdsKept=0;
1575 fillCellIdsToKeepFromNodeIds(begin,end,fullyIn,cellIdsKept);
1576 cellIdsKept->setName(getName());
1581 * Finds cells whose all nodes are in a given array of node ids.
1582 * This method is a specialization of MEDCouplingPointSet::getCellIdsLyingOnNodes (true
1583 * as last input argument).
1584 * \param [in] partBg - the array of node ids.
1585 * \param [in] partEnd - a pointer to a (last+1)-th element of \a partBg.
1586 * \return DataArrayInt * - a new instance of DataArrayInt holding ids of found
1587 * cells. The caller is to delete this array using decrRef() as it is no
1589 * \throw If the coordinates array is not set.
1590 * \throw If the nodal connectivity of cells is not defined.
1591 * \throw If any cell id in \a partBg is not valid.
1593 * \sa MEDCouplingPointSet::getCellIdsLyingOnNodes
1595 * \if ENABLE_EXAMPLES
1596 * \ref cpp_mcumesh_getCellIdsFullyIncludedInNodeIds "Here is a C++ example".<br>
1597 * \ref py_mcumesh_getCellIdsFullyIncludedInNodeIds "Here is a Python example".
1600 DataArrayInt *MEDCouplingPointSet::getCellIdsFullyIncludedInNodeIds(const int *partBg, const int *partEnd) const
1602 return getCellIdsLyingOnNodes(partBg,partEnd,true);
1606 * Removes unused nodes (the node coordinates array is shorten) and returns an array
1607 * mapping between new and old node ids in "Old to New" mode. -1 values in the returned
1608 * array mean that the corresponding old node is no more used.
1609 * \return DataArrayInt * - a new instance of DataArrayInt of length \a
1610 * this->getNumberOfNodes() before call of this method. The caller is to
1611 * delete this array using decrRef() as it is no more needed.
1612 * \throw If the coordinates array is not set.
1613 * \throw If the nodal connectivity of cells is not defined.
1614 * \throw If the nodal connectivity includes an invalid id.
1616 * \if ENABLE_EXAMPLES
1617 * \ref cpp_mcumesh_zipCoordsTraducer "Here is a C++ example".<br>
1618 * \ref py_mcumesh_zipCoordsTraducer "Here is a Python example".
1621 DataArrayInt *MEDCouplingPointSet::zipCoordsTraducer()
1623 int newNbOfNodes=-1;
1624 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> traducer=getNodeIdsInUse(newNbOfNodes);
1625 renumberNodes(traducer->getConstPointer(),newNbOfNodes);
1626 return traducer.retn();
1630 * Merges nodes equal within \a precision and returns an array describing the
1631 * permutation used to remove duplicate nodes.
1632 * \param [in] precision - minimal absolute distance between two nodes at which they are
1633 * considered not coincident.
1634 * \param [out] areNodesMerged - is set to \c true if any coincident nodes removed.
1635 * \param [out] newNbOfNodes - number of nodes remaining after the removal.
1636 * \return DataArrayInt * - the permutation array in "Old to New" mode. For more
1637 * info on "Old to New" mode see \ref MEDCouplingArrayRenumbering. The caller
1638 * is to delete this array using decrRef() as it is no more needed.
1639 * \throw If the coordinates array is not set.
1640 * \throw If the nodal connectivity of cells is not defined.
1642 * \if ENABLE_EXAMPLES
1643 * \ref cpp_mcumesh_mergeNodes "Here is a C++ example".<br>
1644 * \ref py_mcumesh_mergeNodes "Here is a Python example".
1647 DataArrayInt *MEDCouplingPointSet::mergeNodes(double precision, bool& areNodesMerged, int& newNbOfNodes)
1649 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=buildPermArrayForMergeNode(precision,-1,areNodesMerged,newNbOfNodes);
1651 renumberNodes(ret->begin(),newNbOfNodes);
1656 * Merges nodes equal within \a precision and returns an array describing the
1657 * permutation used to remove duplicate nodes. In contrast to mergeNodes(), location
1658 * of merged nodes is changed to be at their barycenter.
1659 * \param [in] precision - minimal absolute distance between two nodes at which they are
1660 * considered not coincident.
1661 * \param [out] areNodesMerged - is set to \c true if any coincident nodes removed.
1662 * \param [out] newNbOfNodes - number of nodes remaining after the removal.
1663 * \return DataArrayInt * - the permutation array in "Old to New" mode. For more
1664 * info on "Old to New" mode see \ref MEDCouplingArrayRenumbering. The caller
1665 * is to delete this array using decrRef() as it is no more needed.
1666 * \throw If the coordinates array is not set.
1667 * \throw If the nodal connectivity of cells is not defined.
1669 * \if ENABLE_EXAMPLES
1670 * \ref cpp_mcumesh_mergeNodes "Here is a C++ example".<br>
1671 * \ref py_mcumesh_mergeNodes "Here is a Python example".
1674 DataArrayInt *MEDCouplingPointSet::mergeNodes2(double precision, bool& areNodesMerged, int& newNbOfNodes)
1676 DataArrayInt *ret=buildPermArrayForMergeNode(precision,-1,areNodesMerged,newNbOfNodes);
1678 renumberNodes2(ret->getConstPointer(),newNbOfNodes);