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MeshLib C++ Docs
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MeshLib C++ Docs
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#include <MRPolylineTopology.h>
Public Member Functions | |
| template<typename T , typename F1 , typename F2 > | |
| void | buildFromContours (const std::vector< std::vector< T > > &contours, F1 &&reservePoints, F2 &&addPoint) |
| MRMESH_API void | buildOpenLines (const std::vector< VertId > &comp2firstVert) |
| template<typename T , typename F > | |
| std::vector< std::vector< T > > | convertToContours (F &&getPoint, std::vector< std::vector< VertId > > *vertMap=nullptr) const |
| converts this topology into contours of given type using the functor returning point by its Id | |
| MRMESH_API EdgeId | makeEdge () |
| creates an edge not associated with any vertex | |
| MRMESH_API EdgeId | makeEdge (VertId a, VertId b, EdgeId e={}) |
| MRMESH_API int | makeEdges (const Edges &edges) |
| MRMESH_API bool | isLoneEdge (EdgeId a) const |
| checks whether the edge is disconnected from all other edges and disassociated from all vertices (as if after makeEdge) | |
| MRMESH_API UndirectedEdgeId | lastNotLoneUndirectedEdge () const |
| returns last not lone undirected edge id, or invalid id if no such edge exists | |
| EdgeId | lastNotLoneEdge () const |
| returns last not lone edge id, or invalid id if no such edge exists | |
| size_t | edgeSize () const |
| returns the number of half-edge records including lone ones | |
| size_t | edgeCapacity () const |
| returns the number of allocated edge records | |
| size_t | undirectedEdgeSize () const |
| returns the number of undirected edges (pairs of half-edges) including lone ones | |
| size_t | undirectedEdgeCapacity () const |
| returns the number of allocated undirected edges (pairs of half-edges) | |
| MRMESH_API size_t | computeNotLoneUndirectedEdges () const |
| computes the number of not-lone (valid) undirected edges | |
| void | edgeReserve (size_t newCapacity) |
| sets the capacity of half-edges vector | |
| bool | hasEdge (EdgeId e) const |
| returns true if given edge is within valid range and not-lone | |
| MRMESH_API void | deleteEdge (UndirectedEdgeId ue) |
| given edge becomes lone after the call, so it is un-spliced from connected edges, and if it was not connected at origin or destination, then that vertex is deleted as well | |
| MRMESH_API void | deleteEdges (const UndirectedEdgeBitSet &es) |
| calls deleteEdge for every set bit | |
| MRMESH_API size_t | heapBytes () const |
| returns the amount of memory this object occupies on heap | |
| MRMESH_API void | splice (EdgeId a, EdgeId b) |
| EdgeId | next (EdgeId he) const |
| next (counter clock wise) half-edge in the origin ring | |
| VertId | org (EdgeId he) const |
| returns origin vertex of half-edge | |
| VertId | dest (EdgeId he) const |
| returns destination vertex of half-edge | |
| MRMESH_API void | setOrg (EdgeId a, VertId v) |
| const Vector< EdgeId, VertId > & | edgePerVertex () const |
| for all valid vertices this vector contains an edge with the origin there | |
| MRMESH_API Vector< VertId, EdgeId > | getOrgs () const |
| for all edges this vector contains its origin | |
| EdgeId | edgeWithOrg (VertId a) const |
| returns valid edge if given vertex is present in the mesh | |
| bool | hasVert (VertId a) const |
| returns true if given vertex is present in the mesh | |
| MRMESH_API int | getVertDegree (VertId a) const |
| returns 0 if given vertex does not exist, 1 if it has one incident edge, and 2 if it has two incident edges | |
| int | numValidVerts () const |
| returns the number of valid vertices | |
| MRMESH_API VertId | lastValidVert () const |
| returns last valid vertex id, or invalid id if no single valid vertex exists | |
| VertId | addVertId () |
| creates new vert-id not associated with any edge yet | |
| MRMESH_API void | vertResize (size_t newSize) |
| explicitly increases the size of vertices vector | |
| MRMESH_API void | vertResizeWithReserve (size_t newSize) |
| explicitly increases the size of vertices vector, doubling the current capacity if it was not enough | |
| void | vertReserve (size_t newCapacity) |
| sets the capacity of vertices vector | |
| size_t | vertSize () const |
| returns the number of vertex records including invalid ones | |
| size_t | vertCapacity () const |
| returns the number of allocated vert records | |
| const VertBitSet & | getValidVerts () const |
| returns cached set of all valid vertices | |
| const VertBitSet & | getVertIds (const VertBitSet *region) const |
| if region pointer is not null then converts it in reference, otherwise returns all valid vertices in the mesh | |
| MRMESH_API EdgeId | findEdge (VertId o, VertId d) const |
| finds and returns edge from o to d in the mesh; returns invalid edge otherwise | |
| MRMESH_API VertBitSet | getPathVertices (const EdgePath &path) const |
| returns all vertices incident to path edges | |
| MRMESH_API EdgeId | splitEdge (EdgeId e) |
| MRMESH_API EdgeId | makePolyline (const VertId *vs, size_t num) |
| MRMESH_API void | addPart (const PolylineTopology &from, VertMap *outVmap=nullptr, WholeEdgeMap *outEmap=nullptr) |
| MRMESH_API void | addPartByMask (const PolylineTopology &from, const UndirectedEdgeBitSet &mask, VertMap *outVmap=nullptr, EdgeMap *outEmap=nullptr) |
| appends polyline topology (from) in addition to the current topology: creates new edges, verts; | |
| MRMESH_API void | pack (VertMap *outVmap=nullptr, WholeEdgeMap *outEmap=nullptr) |
| MRMESH_API void | write (std::ostream &s) const |
| saves this in binary stream | |
| MRMESH_API bool | read (std::istream &s) |
| loads this from binary stream | |
| bool | operator== (const PolylineTopology &b) const |
| comparison via edges (all other members are considered as not important caches) | |
| bool | operator!= (const PolylineTopology &b) const |
| MRMESH_API bool | isConsistentlyOriented () const |
| returns true if for each edge e: e == e.next() || e.odd() == next( e ).sym().odd() | |
| MRMESH_API void | flip () |
| changes the orientation of all edges: every edge e is replaced with e.sym() | |
| MRMESH_API bool | checkValidity () const |
| verifies that all internal data structures are valid | |
| MRMESH_API void | computeValidsFromEdges () |
| computes numValidVerts_ and validVerts_ from edgePerVertex_ | |
| MRMESH_API bool | isClosed () const |
| returns true if the polyline does not have any holes | |
topology of one or several polylines (how line segments are connected in lines) common for 2D and 3D polylines
1.11.0