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VTK
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a cell that represents a triangle strip More...
#include <vtkTriangleStrip.h>
Public Types | |
| typedef vtkCell | Superclass |
Public Types inherited from vtkCell | |
| typedef vtkObject | Superclass |
Public Member Functions | |
| virtual vtkTypeBool | IsA (const char *type) |
| Return 1 if this class is the same type of (or a subclass of) the named class. | |
| vtkTriangleStrip * | NewInstance () const |
| void | PrintSelf (ostream &os, vtkIndent indent) override |
| Methods invoked by print to print information about the object including superclasses. | |
| int | EvaluatePosition (const double x[3], double closestPoint[3], int &subId, double pcoords[3], double &dist2, double weights[]) override |
| Given a point x[3] return inside(=1), outside(=0) cell, or (-1) computational problem encountered; evaluate parametric coordinates, sub-cell id (!=0 only if cell is composite), distance squared of point x[3] to cell (in particular, the sub-cell indicated), closest point on cell to x[3] (unless closestPoint is null, in which case, the closest point and dist2 are not found), and interpolation weights in cell. | |
| void | EvaluateLocation (int &subId, const double pcoords[3], double x[3], double *weights) override |
| Determine global coordinate (x[3]) from subId and parametric coordinates. | |
| int | IntersectWithLine (const double p1[3], const double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId) override |
| Intersect with a ray. | |
| int | TriangulateLocalIds (int index, vtkIdList *ptIds) override |
| Generate simplices of proper dimension. | |
| void | Derivatives (int subId, const double pcoords[3], const double *values, int dim, double *derivs) override |
| Compute derivatives given cell subId and parametric coordinates. | |
| int | IsPrimaryCell () VTK_FUTURE_CONST override |
| Return whether this cell type has a fixed topology or whether the topology varies depending on the data (e.g., vtkConvexPointSet). | |
| int | GetParametricCenter (double pcoords[3]) override |
| Return the center of the point cloud in parametric coordinates. | |
| int | GetCellType () override |
| See the vtkCell API for descriptions of these methods. | |
| int | GetCellDimension () override |
| See the vtkCell API for descriptions of these methods. | |
| int | GetNumberOfEdges () override |
| See the vtkCell API for descriptions of these methods. | |
| int | GetNumberOfFaces () override |
| See the vtkCell API for descriptions of these methods. | |
| vtkCell * | GetEdge (int edgeId) override |
| See the vtkCell API for descriptions of these methods. | |
| vtkCell * | GetFace (int faceId) override |
| See the vtkCell API for descriptions of these methods. | |
| int | CellBoundary (int subId, const double pcoords[3], vtkIdList *pts) override |
| See the vtkCell API for descriptions of these methods. | |
| void | Contour (double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *verts, vtkCellArray *lines, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) override |
| See the vtkCell API for descriptions of these methods. | |
| void | Clip (double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, int insideOut) override |
| See the vtkCell API for descriptions of these methods. | |
Public Member Functions inherited from vtkCell | |
| vtkCell * | NewInstance () const |
| void | Initialize (int npts, const vtkIdType *pts, vtkPoints *p) |
| Initialize cell from outside with point ids and point coordinates specified. | |
| void | Initialize (int npts, vtkPoints *p) |
| Initialize the cell with point coordinates specified. | |
| virtual void | ShallowCopy (vtkCell *c) |
| Copy this cell by reference counting the internal data structures. | |
| virtual void | DeepCopy (vtkCell *c) |
| Copy this cell by completely copying internal data structures. | |
| virtual int | IsLinear () VTK_FUTURE_CONST |
| Non-linear cells require special treatment beyond the usual cell type and connectivity list information. | |
| virtual int | RequiresInitialization () |
| Some cells require initialization prior to access. | |
| virtual void | Initialize () |
| virtual int | IsExplicitCell () VTK_FUTURE_CONST |
| Explicit cells require additional representational information beyond the usual cell type and connectivity list information. | |
| virtual int | RequiresExplicitFaceRepresentation () VTK_FUTURE_CONST |
| Determine whether the cell requires explicit face representation, and methods for setting and getting the faces (see vtkPolyhedron for example usage of these methods). | |
| vtkPoints * | GetPoints () |
| Get the point coordinates for the cell. | |
| vtkIdType | GetNumberOfPoints () const |
| Return the number of points in the cell. | |
| vtkIdList * | GetPointIds () |
| Return the list of point ids defining the cell. | |
| vtkIdType | GetPointId (int ptId) |
| For cell point i, return the actual point id. | |
| virtual int | Inflate (double dist) |
| Inflates the cell. | |
| virtual double | ComputeBoundingSphere (double center[3]) const |
| Computes the bounding sphere of the cell. | |
| virtual int | Triangulate (int index, vtkIdList *ptIds, vtkPoints *pts) |
| Generate simplices of proper dimension. | |
| virtual int | TriangulateIds (int index, vtkIdList *ptIds) |
| Generate simplices of proper dimension. | |
| void | GetBounds (double bounds[6]) |
| Compute cell bounding box (xmin,xmax,ymin,ymax,zmin,zmax). | |
| double * | GetBounds () |
| Compute cell bounding box (xmin,xmax,ymin,ymax,zmin,zmax). | |
| double | GetLength2 () |
| Compute Length squared of cell (i.e., bounding box diagonal squared). | |
| virtual double | GetParametricDistance (const double pcoords[3]) |
| Return the distance of the parametric coordinate provided to the cell. | |
| virtual double * | GetParametricCoords () |
| Return a contiguous array of parametric coordinates of the points defining this cell. | |
| virtual void | InterpolateFunctions (const double pcoords[3], double *weight) |
| Compute the interpolation functions/derivatives (aka shape functions/derivatives) No-ops at this level. | |
| virtual void | InterpolateDerivs (const double pcoords[3], double *derivs) |
| virtual int | IntersectWithCell (vtkCell *other, double tol=0.0) |
| Intersects with an other cell. | |
| virtual int | IntersectWithCell (vtkCell *other, const vtkBoundingBox &boudingBox, const vtkBoundingBox &otherBoundingBox, double tol=0.0) |
| Intersects with an other cell. | |
Public Member Functions inherited from vtkObject | |
| vtkBaseTypeMacro (vtkObject, vtkObjectBase) | |
| virtual void | DebugOn () |
| Turn debugging output on. | |
| virtual void | DebugOff () |
| Turn debugging output off. | |
| bool | GetDebug () |
| Get the value of the debug flag. | |
| void | SetDebug (bool debugFlag) |
| Set the value of the debug flag. | |
| virtual void | Modified () |
| Update the modification time for this object. | |
| virtual vtkMTimeType | GetMTime () |
| Return this object's modified time. | |
| void | RemoveObserver (unsigned long tag) |
| void | RemoveObservers (unsigned long event) |
| void | RemoveObservers (const char *event) |
| void | RemoveAllObservers () |
| vtkTypeBool | HasObserver (unsigned long event) |
| vtkTypeBool | HasObserver (const char *event) |
| vtkTypeBool | InvokeEvent (unsigned long event) |
| vtkTypeBool | InvokeEvent (const char *event) |
| std::string | GetObjectDescription () const override |
| The object description printed in messages and PrintSelf output. | |
| unsigned long | AddObserver (unsigned long event, vtkCommand *, float priority=0.0f) |
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. | |
| unsigned long | AddObserver (const char *event, vtkCommand *, float priority=0.0f) |
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. | |
| vtkCommand * | GetCommand (unsigned long tag) |
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. | |
| void | RemoveObserver (vtkCommand *) |
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. | |
| void | RemoveObservers (unsigned long event, vtkCommand *) |
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. | |
| void | RemoveObservers (const char *event, vtkCommand *) |
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. | |
| vtkTypeBool | HasObserver (unsigned long event, vtkCommand *) |
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. | |
| vtkTypeBool | HasObserver (const char *event, vtkCommand *) |
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. | |
| template<class U, class T> | |
| unsigned long | AddObserver (unsigned long event, U observer, void(T::*callback)(), float priority=0.0f) |
| Overloads to AddObserver that allow developers to add class member functions as callbacks for events. | |
| template<class U, class T> | |
| unsigned long | AddObserver (unsigned long event, U observer, void(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f) |
| Overloads to AddObserver that allow developers to add class member functions as callbacks for events. | |
| template<class U, class T> | |
| unsigned long | AddObserver (unsigned long event, U observer, bool(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f) |
| Allow user to set the AbortFlagOn() with the return value of the callback method. | |
| vtkTypeBool | InvokeEvent (unsigned long event, void *callData) |
| This method invokes an event and return whether the event was aborted or not. | |
| vtkTypeBool | InvokeEvent (const char *event, void *callData) |
| This method invokes an event and return whether the event was aborted or not. | |
| virtual void | SetObjectName (const std::string &objectName) |
| Set/get the name of this object for reporting purposes. | |
| virtual std::string | GetObjectName () const |
| Set/get the name of this object for reporting purposes. | |
Public Member Functions inherited from vtkObjectBase | |
| const char * | GetClassName () const |
| Return the class name as a string. | |
| virtual vtkIdType | GetNumberOfGenerationsFromBase (const char *name) |
| Given the name of a base class of this class type, return the distance of inheritance between this class type and the named class (how many generations of inheritance are there between this class and the named class). | |
| virtual void | Delete () |
| Delete a VTK object. | |
| virtual void | FastDelete () |
| Delete a reference to this object. | |
| void | InitializeObjectBase () |
| void | Print (ostream &os) |
| Print an object to an ostream. | |
| void | Register (vtkObjectBase *o) |
| Increase the reference count (mark as used by another object). | |
| virtual void | UnRegister (vtkObjectBase *o) |
| Decrease the reference count (release by another object). | |
| int | GetReferenceCount () |
| Return the current reference count of this object. | |
| void | SetReferenceCount (int) |
| Sets the reference count. | |
| bool | GetIsInMemkind () const |
| A local state flag that remembers whether this object lives in the normal or extended memory space. | |
| virtual void | PrintHeader (ostream &os, vtkIndent indent) |
| Methods invoked by print to print information about the object including superclasses. | |
| virtual void | PrintTrailer (ostream &os, vtkIndent indent) |
| Methods invoked by print to print information about the object including superclasses. | |
| virtual bool | UsesGarbageCollector () const |
Indicate whether the class uses vtkGarbageCollector or not. | |
Static Public Member Functions | |
| static vtkTriangleStrip * | New () |
| static vtkTypeBool | IsTypeOf (const char *type) |
| static vtkTriangleStrip * | SafeDownCast (vtkObjectBase *o) |
| static void | DecomposeStrip (int npts, const vtkIdType *pts, vtkCellArray *tris) |
| Given a triangle strip, decompose it into a list of (triangle) polygons. | |
Static Public Member Functions inherited from vtkCell | |
| static vtkTypeBool | IsTypeOf (const char *type) |
| static vtkCell * | SafeDownCast (vtkObjectBase *o) |
Static Public Member Functions inherited from vtkObject | |
| static vtkObject * | New () |
| Create an object with Debug turned off, modified time initialized to zero, and reference counting on. | |
| static void | BreakOnError () |
| This method is called when vtkErrorMacro executes. | |
| static void | SetGlobalWarningDisplay (vtkTypeBool val) |
| This is a global flag that controls whether any debug, warning or error messages are displayed. | |
| static void | GlobalWarningDisplayOn () |
| This is a global flag that controls whether any debug, warning or error messages are displayed. | |
| static void | GlobalWarningDisplayOff () |
| This is a global flag that controls whether any debug, warning or error messages are displayed. | |
| static vtkTypeBool | GetGlobalWarningDisplay () |
| This is a global flag that controls whether any debug, warning or error messages are displayed. | |
Static Public Member Functions inherited from vtkObjectBase | |
| static vtkTypeBool | IsTypeOf (const char *name) |
| Return 1 if this class type is the same type of (or a subclass of) the named class. | |
| static vtkIdType | GetNumberOfGenerationsFromBaseType (const char *name) |
| Given a the name of a base class of this class type, return the distance of inheritance between this class type and the named class (how many generations of inheritance are there between this class and the named class). | |
| static vtkObjectBase * | New () |
| Create an object with Debug turned off, modified time initialized to zero, and reference counting on. | |
| static void | SetMemkindDirectory (const char *directoryname) |
| The name of a directory, ideally mounted -o dax, to memory map an extended memory space within. | |
| static bool | GetUsingMemkind () |
| A global state flag that controls whether vtkObjects are constructed in the usual way (the default) or within the extended memory space. | |
Protected Member Functions | |
| virtual vtkObjectBase * | NewInstanceInternal () const |
| vtkTriangleStrip () | |
| ~vtkTriangleStrip () override | |
Protected Member Functions inherited from vtkCell | |
| vtkCell () | |
| ~vtkCell () override | |
Protected Member Functions inherited from vtkObject | |
| vtkObject () | |
| ~vtkObject () override | |
| void | RegisterInternal (vtkObjectBase *, vtkTypeBool check) override |
| void | UnRegisterInternal (vtkObjectBase *, vtkTypeBool check) override |
| void | InternalGrabFocus (vtkCommand *mouseEvents, vtkCommand *keypressEvents=nullptr) |
| These methods allow a command to exclusively grab all events. | |
| void | InternalReleaseFocus () |
| These methods allow a command to exclusively grab all events. | |
Protected Member Functions inherited from vtkObjectBase | |
| vtkObjectBase () | |
| virtual | ~vtkObjectBase () |
| virtual void | ReportReferences (vtkGarbageCollector *) |
| vtkObjectBase (const vtkObjectBase &) | |
| void | operator= (const vtkObjectBase &) |
Protected Attributes | |
| vtkLine * | Line |
| vtkTriangle * | Triangle |
Protected Attributes inherited from vtkCell | |
| double | Bounds [6] |
Protected Attributes inherited from vtkObject | |
| bool | Debug |
| vtkTimeStamp | MTime |
| vtkSubjectHelper * | SubjectHelper |
| std::string | ObjectName |
Protected Attributes inherited from vtkObjectBase | |
| std::atomic< int32_t > | ReferenceCount |
| vtkWeakPointerBase ** | WeakPointers |
Additional Inherited Members | |
Public Attributes inherited from vtkCell | |
| vtkPoints * | Points |
| vtkIdList * | PointIds |
Static Protected Member Functions inherited from vtkObjectBase | |
| static vtkMallocingFunction | GetCurrentMallocFunction () |
| static vtkReallocingFunction | GetCurrentReallocFunction () |
| static vtkFreeingFunction | GetCurrentFreeFunction () |
| static vtkFreeingFunction | GetAlternateFreeFunction () |
a cell that represents a triangle strip
vtkTriangleStrip is a concrete implementation of vtkCell to represent a 2D triangle strip. A triangle strip is a compact representation of triangles connected edge to edge in strip fashion. The connectivity of a triangle strip is three points defining an initial triangle, then for each additional triangle, a single point that, combined with the previous two points, defines the next triangle.
Definition at line 78 of file vtkTriangleStrip.h.
| typedef vtkCell vtkTriangleStrip::Superclass |
Definition at line 82 of file vtkTriangleStrip.h.
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Return 1 if this class is the same type of (or a subclass of) the named class.
Returns 0 otherwise. This method works in combination with vtkTypeMacro found in vtkSetGet.h.
Reimplemented from vtkCell.
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Reimplemented from vtkCell.
| vtkTriangleStrip * vtkTriangleStrip::NewInstance | ( | ) | const |
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See the vtkCell API for descriptions of these methods.
Implements vtkCell.
Definition at line 89 of file vtkTriangleStrip.h.
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See the vtkCell API for descriptions of these methods.
Implements vtkCell.
Definition at line 90 of file vtkTriangleStrip.h.
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See the vtkCell API for descriptions of these methods.
Implements vtkCell.
Definition at line 91 of file vtkTriangleStrip.h.
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See the vtkCell API for descriptions of these methods.
Implements vtkCell.
Definition at line 92 of file vtkTriangleStrip.h.
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See the vtkCell API for descriptions of these methods.
Implements vtkCell.
Definition at line 94 of file vtkTriangleStrip.h.
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Given a point x[3] return inside(=1), outside(=0) cell, or (-1) computational problem encountered; evaluate parametric coordinates, sub-cell id (!=0 only if cell is composite), distance squared of point x[3] to cell (in particular, the sub-cell indicated), closest point on cell to x[3] (unless closestPoint is null, in which case, the closest point and dist2 are not found), and interpolation weights in cell.
(The number of weights is equal to the number of points defining the cell). Note: on rare occasions a -1 is returned from the method. This means that numerical error has occurred and all data returned from this method should be ignored. Also, inside/outside is determine parametrically. That is, a point is inside if it satisfies parametric limits. This can cause problems for cells of topological dimension 2 or less, since a point in 3D can project onto the cell within parametric limits but be "far" from the cell. Thus the value dist2 may be checked to determine true in/out.
Implements vtkCell.
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Determine global coordinate (x[3]) from subId and parametric coordinates.
Also returns interpolation weights. (The number of weights is equal to the number of points in the cell.)
Implements vtkCell.
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Intersect with a ray.
Return parametric coordinates (both line and cell) and global intersection coordinates, given ray definition p1[3], p2[3] and tolerance tol. The method returns non-zero value if intersection occurs. A parametric distance t between 0 and 1 along the ray representing the intersection point, the point coordinates x[3] in data coordinates and also pcoords[3] in parametric coordinates. subId is the index within the cell if a composed cell like a triangle strip.
Implements vtkCell.
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Generate simplices of proper dimension.
If cell is 3D, tetrahedra are generated; if 2D triangles; if 1D lines; if 0D points. The form of the output is a sequence of points, each n+1 points (where n is topological cell dimension) defining a simplex. The index is a parameter that controls which triangulation to use (if more than one is possible). If numerical degeneracy encountered, 0 is returned, otherwise 1 is returned. This method does not insert new points: all the points that define the simplices are the points that define the cell. ptIds are the local indices with respect to the cell
Implements vtkCell.
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Compute derivatives given cell subId and parametric coordinates.
The values array is a series of data value(s) at the cell points. There is a one-to-one correspondence between cell point and data value(s). Dim is the number of data values per cell point. Derivs are derivatives in the x-y-z coordinate directions for each data value. Thus, if computing derivatives for a scalar function in a hexahedron, dim=1, 8 values are supplied, and 3 deriv values are returned (i.e., derivatives in x-y-z directions). On the other hand, if computing derivatives of velocity (vx,vy,vz) dim=3, 24 values are supplied ((vx,vy,vz)1, (vx,vy,vz)2, ....()8), and 9 deriv values are returned ((d(vx)/dx),(d(vx)/dy),(d(vx)/dz), (d(vy)/dx),(d(vy)/dy), (d(vy)/dz), (d(vz)/dx),(d(vz)/dy),(d(vz)/dz)).
Implements vtkCell.
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Return whether this cell type has a fixed topology or whether the topology varies depending on the data (e.g., vtkConvexPointSet).
This compares to composite cells that are typically composed of primary cells (e.g., a triangle strip composite cell is made up of triangle primary cells).
Reimplemented from vtkCell.
Definition at line 112 of file vtkTriangleStrip.h.
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Return the center of the point cloud in parametric coordinates.
Reimplemented from vtkCell.
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Given a triangle strip, decompose it into a list of (triangle) polygons.
The polygons are appended to the end of the list of triangles.
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Definition at line 129 of file vtkTriangleStrip.h.
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Definition at line 130 of file vtkTriangleStrip.h.