- Generated by
1.8.14
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Woolz Image Processing
Version 1.8.3
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Functions for 2D and 3D conforming simplical mesh generation. Meshes generated by these functions will conform approximately to an objects boundaries. More...
Macros | |
| #define | WLZ_FAST_CODE |
Typedefs | |
| typedef enum _WlzCMeshConformAction | WlzCMeshConformAction |
Enumerations | |
| enum | _WlzCMeshConformAction { WLZ_CMESH_CONFORM_NONE, WLZ_CMESH_CONFORM_DELETE, WLZ_CMESH_CONFORM_MODIFY } |
| Possible mesh element conformation actions. Typedef: WlzCMeshConformAction. More... | |
Functions | |
| WlzCMesh2D * | WlzCMeshNew2D (WlzErrorNum *dstErr) |
| Creates a new 2D mesh data structure with the resources optimized for the given number of mesh elements and nodes. It is better to under estimate the number of elements and nodes rather than over estimate and if zero is given some reasonable defaults will be used. More... | |
| WlzCMesh2D5 * | WlzCMeshNew2D5 (WlzErrorNum *dstErr) |
| Creates a new 2D5 mesh data structure with the resources optimized for the given number of mesh elements and nodes. It is better to under estimate the number of elements and nodes rather than over estimate and if zero is given some reasonable defaults will be used. More... | |
| WlzCMesh3D * | WlzCMeshNew3D (WlzErrorNum *dstErr) |
| Creates a new 3D mesh data structure with the resources optimized for the given number of mesh elements and nodes. It is better to under estimate the number of elements and nodes rather than over estimate and if zero is given some reasonable defaults will be used. More... | |
| WlzErrorNum | WlzCMeshAddNewNodCb2D (WlzCMesh2D *mesh, WlzCMeshCbFn fn, void *data) |
| Adds a new 2D node callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshAddNewNodCb2D5 (WlzCMesh2D5 *mesh, WlzCMeshCbFn fn, void *data) |
| Adds a new 2D5 node callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshAddNewNodCb3D (WlzCMesh3D *mesh, WlzCMeshCbFn fn, void *data) |
| Adds a new 3D node callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshAddNewElmCb2D (WlzCMesh2D *mesh, WlzCMeshCbFn fn, void *data) |
| Adds a new 2D element callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshAddNewElmCb2D5 (WlzCMesh2D5 *mesh, WlzCMeshCbFn fn, void *data) |
| Adds a new 2D5 element callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshAddNewElmCb3D (WlzCMesh3D *mesh, WlzCMeshCbFn fn, void *data) |
| Adds a new 3D element callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshAddDelNodCb2D (WlzCMesh2D *mesh, WlzCMeshCbFn fn, void *data) |
| Adds a 2D deleted node callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshAddDelNodCb2D5 (WlzCMesh2D5 *mesh, WlzCMeshCbFn fn, void *data) |
| Adds a 2D5 deleted node callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshAddDelNodCb3D (WlzCMesh3D *mesh, WlzCMeshCbFn fn, void *data) |
| Adds a 3D deleted node callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshAddDelElmCb2D (WlzCMesh2D *mesh, WlzCMeshCbFn fn, void *data) |
| Adds a 2D deleted element callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshAddDelElmCb2D5 (WlzCMesh2D5 *mesh, WlzCMeshCbFn fn, void *data) |
| Adds a 2D5 deleted element callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshAddDelElmCb3D (WlzCMesh3D *mesh, WlzCMeshCbFn fn, void *data) |
| Adds a 3D deleted element callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshRemNewNodCb2D (WlzCMesh2D *mesh, WlzCMeshCbFn fn, void *data) |
| Removes a new 2D node callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshRemNewNodCb2D5 (WlzCMesh2D5 *mesh, WlzCMeshCbFn fn, void *data) |
| Removes a new 2D5 node callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshRemNewNodCb3D (WlzCMesh3D *mesh, WlzCMeshCbFn fn, void *data) |
| Removes a new 3D node callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshRemNewElmCb2D (WlzCMesh2D *mesh, WlzCMeshCbFn fn, void *data) |
| Removes a new 2D element callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshRemNewElmCb2D5 (WlzCMesh2D5 *mesh, WlzCMeshCbFn fn, void *data) |
| Removes a new 2D5 element callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshRemNewElmCb3D (WlzCMesh3D *mesh, WlzCMeshCbFn fn, void *data) |
| Removes a new 3D element callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshRemDelNodCb2D (WlzCMesh2D *mesh, WlzCMeshCbFn fn, void *data) |
| Removes a deleted 2D node callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshRemDelNodCb2D5 (WlzCMesh2D5 *mesh, WlzCMeshCbFn fn, void *data) |
| Removes a deleted 2D5 node callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshRemDelNodCb3D (WlzCMesh3D *mesh, WlzCMeshCbFn fn, void *data) |
| Removes a deleted 3D node callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshRemDelElmCb2D (WlzCMesh2D *mesh, WlzCMeshCbFn fn, void *data) |
| Removes a deleted 2D element callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshRemDelElmCb2D5 (WlzCMesh2D5 *mesh, WlzCMeshCbFn fn, void *data) |
| Removes a deleted 2D5 element callback to the mesh. More... | |
| WlzErrorNum | WlzCMeshRemDelElmCb3D (WlzCMesh3D *mesh, WlzCMeshCbFn fn, void *data) |
| Removes a deleted 3D element callback to the mesh. More... | |
| WlzCMeshNod2D * | WlzCMeshNewNod2D (WlzCMesh2D *mesh, WlzDVertex2 pos, WlzErrorNum *dstErr) |
| Creates a new 2D mesh node at the given position. It is assumed that a node does not already exist at the given position but for efficiency this is not checked. More... | |
| WlzCMeshNod2D5 * | WlzCMeshNewNod2D5 (WlzCMesh2D5 *mesh, WlzDVertex3 pos, WlzErrorNum *dstErr) |
| Creates a new 2D5 mesh node at the given position. It is assumed that a node does not already exist at the given position but for efficiency this is not checked. More... | |
| WlzCMeshNod3D * | WlzCMeshNewNod3D (WlzCMesh3D *mesh, WlzDVertex3 pos, WlzErrorNum *dstErr) |
| Creates a new 3D mesh node at the given position. A node must not already exist at this position. More... | |
| WlzCMeshNod2D * | WlzCMeshAllocNod2D (WlzCMesh2D *mesh) |
| Allocates a new 2D mesh node and sets it's index. For efficiency this function does not check it's parameters. More... | |
| WlzCMeshNod2D5 * | WlzCMeshAllocNod2D5 (WlzCMesh2D5 *mesh) |
| Allocates a new 2D5 mesh node and sets it's index. For efficiency this function does not check it's parameters. More... | |
| WlzCMeshNod3D * | WlzCMeshAllocNod3D (WlzCMesh3D *mesh) |
| Allocates a new 3D mesh node and sets it's index. For efficiency this function does not check it's parameters. More... | |
| WlzCMeshElm2D * | WlzCMeshNewElm2D (WlzCMesh2D *mesh, WlzCMeshNod2D *nod0, WlzCMeshNod2D *nod1, WlzCMeshNod2D *nod2, int allowFlip, WlzErrorNum *dstErr) |
| Creates a new 2D mesh element connecting the given mesh nodes but does not connect this new mesh element to the rest of the mesh apart from changing the parent edges of the mesh nodes. More... | |
| WlzCMeshElm2D5 * | WlzCMeshNewElm2D5 (WlzCMesh2D5 *mesh, WlzCMeshNod2D5 *nod0, WlzCMeshNod2D5 *nod1, WlzCMeshNod2D5 *nod2, int allowFlip, WlzErrorNum *dstErr) |
| Creates a new 2D5 mesh element connecting the given mesh nodes but does not connect this new mesh element to the rest of the mesh apart from changing the parent edges of the mesh nodes. More... | |
| WlzCMeshElm3D * | WlzCMeshNewElm3D (WlzCMesh3D *mesh, WlzCMeshNod3D *nod0, WlzCMeshNod3D *nod1, WlzCMeshNod3D *nod2, WlzCMeshNod3D *nod3, int allowFlip, WlzErrorNum *dstErr) |
| Creates a new 3D mesh element connecting the given mesh nodes but does not connect this new mesh element to the rest of the mesh apart from changing the parent edges of the mesh nodes. Each mesh element is composed of 4 faces and 4 nodes, with each of the 4 faces having 3 edges. See the diagrams accompanying the definition of WlzCMeshElm3D. More... | |
| WlzCMeshElm2D * | WlzCMeshAllocElm2D (WlzCMesh2D *mesh) |
| Allocates a new 2D mesh element and sets it's index. Internal edge connectivities are set. For efficiency this function does not check it's parameters. More... | |
| WlzCMeshElm2D5 * | WlzCMeshAllocElm2D5 (WlzCMesh2D5 *mesh) |
| Allocates a new 2D5 mesh element and sets it's index. Internal edge connectivities are set. For efficiency this function does not check it's parameters. More... | |
| WlzCMeshElm3D * | WlzCMeshAllocElm3D (WlzCMesh3D *mesh) |
| Allocates a new 3D mesh element and sets it's index. For efficiency this function does not check it's parameters. More... | |
| WlzErrorNum | WlzCMeshSetElm2D (WlzCMesh2D *mesh, WlzCMeshElm2D *elm, WlzCMeshNod2D *nod0, WlzCMeshNod2D *nod1, WlzCMeshNod2D *nod2, int allowFlip) |
| Sets up the edge and node connectivities within the given 2D mesh element. The geometry of the element is checked to make sure that it's area is greater than the mesh tolerance and that the nodes are in CCW order. If this test fails an error is returned. More... | |
| WlzErrorNum | WlzCMeshSetElm2D5 (WlzCMesh2D5 *mesh, WlzCMeshElm2D5 *elm, WlzCMeshNod2D5 *nod0, WlzCMeshNod2D5 *nod1, WlzCMeshNod2D5 *nod2, int allowFlip) |
| Sets up the edge and node connectivities within the given 2D5 mesh element. The geometry of the element is checked to make sure that it's area is greater than the mesh tolerance and that the nodes are in CCW order. If this test fails an error is returned. More... | |
| WlzErrorNum | WlzCMeshSetElm3D (WlzCMesh3D *mesh, WlzCMeshElm3D *elm, WlzCMeshNod3D *nod0, WlzCMeshNod3D *nod1, WlzCMeshNod3D *nod2, WlzCMeshNod3D *nod3, int allowFlip) |
| Sets up the edge and node connectivities within the given 3D mesh element. No opposites are changed. The geometry of the element is checked to make sure that it's volume is greater than the mesh tolerance, ie that the nodes are correclty ordered and are not co planar. If this test fails an error is returned. More... | |
| WlzErrorNum | WlzCMeshFree (WlzCMeshP mesh) |
| Free's the mesh, it's cells, nodes and elements. More... | |
| WlzErrorNum | WlzCMeshFree2D (WlzCMesh2D *mesh) |
| Free's the 2D mesh, it's cells, nodes and elements. More... | |
| WlzErrorNum | WlzCMeshFree2D5 (WlzCMesh2D5 *mesh) |
| Free's the 2D5 mesh, it's cells, nodes and elements. More... | |
| WlzErrorNum | WlzCMeshFree3D (WlzCMesh3D *mesh) |
| Free's the 3D mesh, it's cells, nodes and elements. More... | |
| WlzErrorNum | WlzCMeshDelNod2D (WlzCMesh2D *mesh, WlzCMeshNod2D *nod) |
| Deletes the 2D mesh node. This function assumes that the node is no longer used by any elements. More... | |
| WlzErrorNum | WlzCMeshDelNod2D5 (WlzCMesh2D5 *mesh, WlzCMeshNod2D5 *nod) |
| Deletes the 2D5 mesh node. This function assumes that the node is no longer used by any elements. More... | |
| WlzErrorNum | WlzCMeshDelNod3D (WlzCMesh3D *mesh, WlzCMeshNod3D *nod) |
| Deletes the 3D mesh node. This function assumes that the node is no longer used by any elements. More... | |
| WlzErrorNum | WlzCMeshDelElm2D (WlzCMesh2D *mesh, WlzCMeshElm2D *elm) |
| Deletes the 2D mesh element and any mesh nodes that are used exclusively by this mesh element. More... | |
| WlzErrorNum | WlzCMeshDelElm2D5 (WlzCMesh2D5 *mesh, WlzCMeshElm2D5 *elm) |
| Deletes the 2D5 mesh element and any mesh nodes that are used exclusively by this mesh element. More... | |
| WlzErrorNum | WlzCMeshDelElm3D (WlzCMesh3D *mesh, WlzCMeshElm3D *elm) |
| Deletes the 3D mesh element and any mesh nodes that are used exclusively by this mesh element. More... | |
| void | WlzCMeshNodFree2D (WlzCMesh2D *mesh, WlzCMeshNod2D *nod) |
| Free's the given 2D mesh node. Actually just sets the node's index to mark it freed and then decrements the number of mesh nodes. More... | |
| void | WlzCMeshNodFree2D5 (WlzCMesh2D5 *mesh, WlzCMeshNod2D5 *nod) |
| Free's the given 2D5 mesh node. Actually just sets the node's index to mark it freed and then decrements the number of mesh nodes. More... | |
| void | WlzCMeshNodFree3D (WlzCMesh3D *mesh, WlzCMeshNod3D *nod) |
| Free's the given 3D mesh node. Actually just sets the node's index to mark it freed and then decrements the number of mesh nodes. More... | |
| void | WlzCMeshElmFree2D (WlzCMesh2D *mesh, WlzCMeshElm2D *elm) |
| Free's the given 2D mesh element. Actually just sets the element's index to mark it freed and then decrements the number of mesh elements. More... | |
| void | WlzCMeshElmFree2D5 (WlzCMesh2D5 *mesh, WlzCMeshElm2D5 *elm) |
| Free's the given 2D5 mesh element. Actually just sets the element's index to mark it freed and then decrements the number of mesh elements. More... | |
| void | WlzCMeshElmFree3D (WlzCMesh3D *mesh, WlzCMeshElm3D *elm) |
| Free's the given 3D mesh element. Actually just sets the element's index to mark it freed and then decrements the number of mesh elements. More... | |
| void | WlzCMeshDelUnusedNodes3D (WlzCMesh3D *mesh) |
| Deletes any unused neodes, ie nodes that do not have edge uses, from the given mesh. More... | |
| void | WlzCMeshDelUnusedNodes2D5 (WlzCMesh2D5 *mesh) |
| Deletes any unused neodes, ie nodes that do not have edge uses, from the given mesh. More... | |
| void | WlzCMeshDelUnusedNodes2D (WlzCMesh2D *mesh) |
| Deletes any unused neodes, ie nodes that do not have edge uses, from the given mesh. More... | |
| WlzErrorNum | WlzCMeshAffineTransformMesh2D (WlzCMesh2D *mesh, WlzAffineTransform *tr) |
| Affine transforms the node positions of the given 2D mesh. More... | |
| WlzErrorNum | WlzCMeshAffineTransformMesh2D5 (WlzCMesh2D5 *mesh, WlzAffineTransform *tr) |
| Affine transforms the node positions of the given 2D5 mesh. More... | |
| WlzErrorNum | WlzCMeshAffineTransformMesh3D (WlzCMesh3D *mesh, WlzAffineTransform *tr) |
| Affine transforms the node positions of the given 3D mesh. More... | |
| WlzErrorNum | WlzCMeshBoundConform2D (WlzCMesh2D *mesh, WlzObject *obj, int mtd, double tol) |
| Examines all the mesh elements classifying the nodes as either inside or outside the object. Those elements which have either one or two nodes outside the domain object have their position modified so that they are just outside. All elements with all nodes outside the domain object are deleted. On return the mesh bounding box and location grid will be invalid and the following functions should be called: WlzCMeshUpdateBBox3D(), WlzCMeshUpdateMaxSqEdgLen3D() and WlzCMeshReassignGridCells3D(). More... | |
| WlzErrorNum | WlzCMeshBoundConform3D (WlzCMesh3D *mesh, WlzObject *obj, int mtd, double tol) |
| Examines all the mesh elements deleting those with all elements outside and decomposing those on it's boundary. At the first pass boundary elements (those with between one and three nodes outside the object's domain) are decomposed into one or three new elements and elements which have all four nodes outside the domain are deleted. In the second pass new elements outside the domain are deleted. More... | |
| double | WlzCMeshElmMinEdgLnSq2D (WlzCMeshElm2D *elm) |
| Computes the square of the minimum edge length for the element. More... | |
| void | WlzCMeshElmMinMaxEdgLnSq3D (WlzCMeshElm3D *elm, double *dstMinSq, double *dstMaxSq) |
| Computes the square of the minimum and maximum edge length for the given element. More... | |
| double | WlzCMeshElmMinEdgLnSq3D (WlzCMeshElm3D *elm) |
| Computes the square of the minimum edge length for the element. More... | |
| WlzErrorNum | WlzCMeshReassignGridCells2D (WlzCMesh2D *mesh, int newNumNod) |
| Allocates a new cell grid and then reassigns the nodes to the cells. More... | |
| WlzErrorNum | WlzCMeshReassignGridCells2D5 (WlzCMesh2D5 *mesh, int newNumNod) |
| Allocates a new cell grid and then reassigns the nodes and elements to the cells. More... | |
| WlzErrorNum | WlzCMeshReassignGridCells3D (WlzCMesh3D *mesh, int newNumNod) |
| Allocates a new cell grid and then reassigns the nodes and elements to the cells. More... | |
| int | WlzCMeshLocateNod2D (WlzCMesh2D *mesh, WlzDVertex2 pos, double tol, WlzCMeshNod2D **dstNod) |
| Locates the matching node and for the given vertex position. The matched node is the mesh node which has the same position (within WLZ_MESH_TOLERANCE distance) of the given vertex. This function also gives access to the grid cell containing the node. More... | |
| int | WlzCMeshLocateNod2D5 (WlzCMesh2D5 *mesh, WlzDVertex3 pos, double tol, WlzCMeshNod2D5 **dstNod) |
| Locates the matching node and for the given vertex position. The matched node is the mesh node which has the same position (within WLZ_MESH_TOLERANCE distance) of the given vertex. This function also gives access to the grid cell containing the node. More... | |
| int | WlzCMeshLocateNod3D (WlzCMesh3D *mesh, WlzDVertex3 pos, WlzIVertex3 *dstGPos, WlzCMeshNod3D **dstPrev, double tol, WlzCMeshNod3D **dstNod) |
| Locates the matching node and for the given vertex position. The matched node is the mesh node which has the same position (within WLZ_MESH_TOLERANCE distance) of the given vertex. This function also gives access to the grid cell containing the node. More... | |
| WlzCMeshNod2D * | WlzCMeshMatchNod2D (WlzCMesh2D *mesh, WlzDVertex2 nPos, double tol) |
| Locates the matching node and for the given vertex position. The matched node is the mesh node which has the same position (within WLZ_MESH_TOLERANCE distance) of the given vertex. More... | |
| WlzCMeshNod2D5 * | WlzCMeshMatchNod2D5 (WlzCMesh2D5 *mesh, WlzDVertex3 nPos, double tol) |
| Locates the matching node and for the given vertex position. The matched node is the mesh node which has the same position (within WLZ_MESH_TOLERANCE distance) of the given vertex. More... | |
| WlzCMeshNod3D * | WlzCMeshMatchNod3D (WlzCMesh3D *mesh, WlzDVertex3 nPos, double tol) |
| Locates the matching node and for the given vertex position. The matched node is the mesh node which has the same position (within WLZ_MESH_TOLERANCE distance) of the given vertex. More... | |
| int | WlzCMeshMatchNNod2D (WlzCMesh2D *mesh, int nNod, WlzDVertex2 *nPos, double tol, WlzCMeshNod2D **mNod) |
| Locates the nodes matching the given vertex positions. The matched nodes are the mesh nodes which have the same positions (within WLZ_MESH_TOLERANCE distance) of the given vertices. More... | |
| int | WlzCMeshMatchNNod2D5 (WlzCMesh2D5 *mesh, int nNod, WlzDVertex3 *nPos, double tol, WlzCMeshNod2D5 **mNod) |
| Locates the nodes matching the given vertex positions. The matched nodes are the mesh nodes which have the same positions (within given tolerance distance) of the given vertices. More... | |
| int | WlzCMeshMatchNNod3D (WlzCMesh3D *mesh, int nNod, WlzDVertex3 *nPos, double tol, WlzCMeshNod3D **mNod) |
| Locates the nodes matching the given vertex positions. The matched nodes are the mesh nodes which have the same positions (within given tolerance distance) of the given vertices. More... | |
| int | WlzCMeshMatchNNodIdx2D (WlzCMesh2D *mesh, int nNod, WlzDVertex2 *nPos, double tol, int *mIdx) |
| Locates the nodes matching the given vertex positions. The matched nodes are the mesh nodes which have the same positions (within given tolerance distance) of the given vertices. More... | |
| int | WlzCMeshMatchNNodIdx2D5 (WlzCMesh2D5 *mesh, int nNod, WlzDVertex3 *nPos, double tol, int *mIdx) |
| Locates the nodes matching the given vertex positions. The matched nodes are the mesh nodes which have the same positions (within WLZ_MESH_TOLERANCE distance) of the given vertices. More... | |
| int | WlzCMeshMatchNNodIdx3D (WlzCMesh3D *mesh, int nNod, WlzDVertex3 *nPos, double tol, int *mIdx) |
| Locates the nodes matching the given vertex positions. The matched nodes are the mesh nodes which have the same positions (within WLZ_MESH_TOLERANCE distance) of the given vertices. More... | |
| int | WlzCMeshElmEnclosingPos (WlzCMeshP mesh, int lastElmIdx, double pX, double pY, double pZ, int exhaustive, int *dstCloseNod) |
| Locates the element of the conforming mesh which encloses the given position. More... | |
| int | WlzCMeshElmEnclosingPos2D (WlzCMesh2D *mesh, int lastElmIdx, double pX, double pY, int exhaustive, int *dstCloseNod) |
| Locates the element of the conforming mesh which encloses the given position. More... | |
| int | WlzCMeshElmEnclosingPos2D5 (WlzCMesh2D5 *mesh, int dummyLastElmIdx, double pX, double pY, double pZ, int exhaustive, int *dstCloseNod) |
| Locates the element of the conforming mesh which encloses the given position. More... | |
| int | WlzCMeshElmEnclosingPos3D (WlzCMesh3D *mesh, int lastElmIdx, double pX, double pY, double pZ, int exhaustive, int *dstCloseNod) |
| Locates the element of the conforming mesh which encloses the given position. More... | |
| int | WlzCMeshElmClosestPosIn (WlzCMeshP mesh, WlzVertexP dstPos, WlzVertex pos, double dMax) |
| Locates the element in the conforming mesh which encloses or is closest to the vertex with the given position. The computed position will be inside the mesh by a distance of more than WLZ_MESH_TOLERANCE provided that an enclosing or close element is found. More... | |
| int | WlzCMeshElmClosestPosIn2D (WlzCMesh2D *mesh, WlzDVertex2 *dstPos, WlzDVertex2 pos, double dMax) |
| Locates the element in the conforming mesh which encloses or is closest to the given vertex position, provided that the distance is no more than the maximum distance. The position within the element will always be more than WLZ_MESH_TOLERANCE from the mesh boundary provided that an enclosing or close element is found. More... | |
| int | WlzCMeshElmClosestPosIn2D5 (WlzCMesh2D5 *mesh, WlzDVertex3 *dstPos, WlzDVertex3 pos, double dMax) |
| int | WlzCMeshElmClosestPosIn3D (WlzCMesh3D *mesh, WlzDVertex3 *dstPos, WlzDVertex3 pos, double dMax) |
| Locates the element in the conforming mesh which encloses or is closest to the given vertex position, provided that the distance is no more than the maximum distance. The position within the element will always be more than WLZ_MESH_TOLERANCE from the mesh boundary provided that an enclosing or close element is found. More... | |
| int | WlzCMeshClosestNod2D (WlzCMesh2D *mesh, WlzDVertex2 pos) |
| Finds the index of the closest node to the given position. More... | |
| int | WlzCMeshClosestNod2D5 (WlzCMesh2D5 *mesh, WlzDVertex3 p) |
| Finds the index of the closest node to the given position. More... | |
| int | WlzCMeshClosestNod3D (WlzCMesh3D *mesh, WlzDVertex3 pos) |
| Finds the index of the closest node to the given position. More... | |
| int | WlzCMeshElmEnclosesPos2D (WlzCMeshElm2D *elm, WlzDVertex2 gPos) |
| Checks whether the vertex at the given position is within the given mesh element. More... | |
| int | WlzCMeshElmEnclosesPos2D5 (WlzCMeshElm2D5 *elm, WlzDVertex3 gPos) |
| Checks whether the vertex at the given position is within the given mesh element. More... | |
| int | WlzCMeshElmEnclosesPos3D (WlzCMeshElm3D *elm, WlzDVertex3 gPos) |
| Checks whether the vertex at the given position is within the given mesh element. More... | |
| WlzObject * | WlzCMeshExtract2D (WlzObject *gObj, int applyDsp, WlzErrorNum *dstErr) |
| Makes a 2D conforming mesh from the given 2D or 2D5 conforming mesh by simply ignoring the z component (if it exists) as the node positions are copied. Node and element indices are preserved by this function. More... | |
| WlzCMeshP | WlzCMeshFromObj (WlzObject *obj, double minElmSz, double maxElmSz, WlzObject **dstDilObj, int conform, WlzErrorNum *dstErr) |
| Constructs a 2D or 3D mesh from a 2D or 3D domain object. Because of the difficulty in computing a mesh which conforms to the domain of the given object, the resulting mesh will instead cover the given domain with some nodes of the mesh outside the given domain. All mesh nodes will however be within the dilated domain, where the dilation is by a sphere of radius twice the minimum element size. More... | |
| WlzCMesh2D * | WlzCMeshFromObj2D (WlzObject *obj, double minElmSz, double maxElmSz, WlzObject **dstDilObj, int conform, WlzErrorNum *dstErr) |
| Constructs a 2D mesh from a 2D domain object. Because of the difficulty in computing a mesh which conforms to the domain of the given object, the resulting mesh will instead cover the given domain with some nodes of the mesh outside the given domain. All mesh nodes will however be within the dilated domain, where the dilation is by a sphere of radius twice the minimum element size. More... | |
| WlzCMesh3D * | WlzCMeshFromObj3D (WlzObject *obj, double minElmSz, double maxElmSz, WlzObject **dstDilObj, int conform, WlzErrorNum *dstErr) |
| Constructs a 3D mesh from a 3D domain object. More... | |
| WlzCMesh2D5 * | WlzCMeshFromGM (WlzGMModel *model, WlzErrorNum *dstErr) |
| Constructs a 2D5 mesh from a 3D geometric model. More... | |
| WlzCMesh2D * | WlzCMeshFromBalLBTDom2D (WlzLBTDomain2D *lDom, WlzObject *iObj, WlzErrorNum *dstErr) |
| Constructs a 2D mesh from a balanced 2D linear binary tree domain. More... | |
| WlzCMesh3D * | WlzCMeshFromBalLBTDom3D (WlzLBTDomain3D *lDom, WlzObject *iObj, WlzErrorNum *dstErr) |
| Constructs a 3D mesh from a balanced 3D linear binary tree domain. More... | |
| WlzObject * | WlzCMeshComputeNormalsIxv2D5 (WlzObject *gObj, int nrmFlg, WlzErrorNum *dstErr) |
| Computes the normals at the nodes of the given mesh. The normals are computed for each node by computing the area and normal of each face which uses the node and then using a linear combination of the face normals with a weight proportional to the area. More... | |
| void | WlzCMeshDbgOutVTK2D (FILE *fP, WlzCMesh2D *mesh) |
| Debuging function for 2D mesh output in VTK format. More... | |
| void | WlzCMeshDbgOutVTK3D (FILE *fP, WlzCMesh3D *mesh) |
| Debuging function for 3D mesh output in VTK format. More... | |
| void | WlzCMeshDbgOutVTK (FILE *fP, WlzCMeshP mesh) |
| Debuging function for mesh output in VTK format. More... | |
| WlzErrorNum | WlzCMeshElmFuse2D (WlzCMesh2D *mesh, WlzCMeshElm2D *gElm) |
| Fuses the given element in the mesh. More... | |
Functions for 2D and 3D conforming simplical mesh generation. Meshes generated by these functions will conform approximately to an objects boundaries.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
| #define WLZ_FAST_CODE |
| typedef enum _WlzCMeshConformAction WlzCMeshConformAction |
| WlzErrorNum WlzCMeshAddDelNodCb2D | ( | WlzCMesh2D * | mesh, |
| WlzCMeshCbFn | fn, | ||
| void * | data | ||
| ) |
Adds a 2D deleted node callback to the mesh.
| mesh | Given mesh. |
| fn | Function to be called. |
| data | Callback data for function. |
References WLZ_ERR_NONE.
| WlzErrorNum WlzCMeshAddDelNodCb2D5 | ( | WlzCMesh2D5 * | mesh, |
| WlzCMeshCbFn | fn, | ||
| void * | data | ||
| ) |
Adds a 2D5 deleted node callback to the mesh.
| mesh | Given mesh. |
| fn | Function to be called. |
| data | Callback data for function. |
References WLZ_ERR_NONE.
| WlzErrorNum WlzCMeshAddDelNodCb3D | ( | WlzCMesh3D * | mesh, |
| WlzCMeshCbFn | fn, | ||
| void * | data | ||
| ) |
Adds a 3D deleted node callback to the mesh.
| mesh | Given mesh. |
| fn | Function to be called. |
| data | Callback data for function. |
References WLZ_ERR_NONE.
| int WlzCMeshElmClosestPosIn2D5 | ( | WlzCMesh2D5 * | mesh, |
| WlzDVertex3 * | dstPos, | ||
| WlzDVertex3 | pos, | ||
| double | dMax | ||
| ) |
Referenced by WlzCMeshElmClosestPosIn().
| void WlzCMeshDbgOutVTK | ( | FILE * | fP, |
| WlzCMeshP | mesh | ||
| ) |
Debuging function for mesh output in VTK format.
ingroup WlzTransform
| fP | Given file pointer. |
| mesh | Given mesh. |
References _WlzCMeshP::m2, _WlzCMeshP::m3, _WlzCMesh2D::type, _WlzCMeshP::v, WLZ_CMESH_2D, WLZ_CMESH_3D, WlzCMeshDbgOutVTK2D(), and WlzCMeshDbgOutVTK3D().
1.8.14