Open CASCADE Technology 6.6.0
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This class provides a polygon in 3D space, based on the triangulation
of a surface. It may be the approximate representation of a
curve on the surface, or more generally the shape.
A PolygonOnTriangulation is defined by a table of
nodes. Each node is an index in the table of nodes specific
to a triangulation, and represents a point on the surface. If
the polygon is closed, the index of the point of closure is
repeated at the end of the table of nodes.
If the polygon is an approximate representation of a curve
on a surface, you can associate with each of its nodes the
value of the parameter of the corresponding point on the
curve.represents a 3d Polygon
#include <Poly_PolygonOnTriangulation.hxx>
Public Member Functions | |
Poly_PolygonOnTriangulation (const TColStd_Array1OfInteger &Nodes) | |
Constructs a 3D polygon on the triangulation of a shape, defined by the table of nodes, <Nodes>. | |
Poly_PolygonOnTriangulation (const TColStd_Array1OfInteger &Nodes, const TColStd_Array1OfReal &Parameters) | |
Constructs a 3D polygon on the triangulation of a shape, defined by: | |
Standard_Real | Deflection () const |
Returns the deflection of this polygon | |
void | Deflection (const Standard_Real D) |
Sets the deflection of this polygon to D. See more on deflection in Poly_Polygones2D. | |
Standard_Integer | NbNodes () const |
Returns the number of nodes for this polygon. Note: If the polygon is closed, the point of closure is repeated at the end of its table of nodes. Thus, on a closed triangle, the function NbNodes returns 4. | |
const TColStd_Array1OfInteger & | Nodes () const |
Returns the table of nodes for this polygon. A node value is an index in the table of nodes specific to an existing triangulation of a shape. | |
Standard_Boolean | HasParameters () const |
Returns true if parameters are associated with the nodes in this polygon. | |
Handle_TColStd_HArray1OfReal | Parameters () const |
Returns the table of the parameters associated with each node in this polygon. Warning Use the function HasParameters to check if parameters are associated with the nodes in this polygon. |
Poly_PolygonOnTriangulation::Poly_PolygonOnTriangulation | ( | const TColStd_Array1OfInteger & | Nodes | ) |
Poly_PolygonOnTriangulation::Poly_PolygonOnTriangulation | ( | const TColStd_Array1OfInteger & | Nodes, |
const TColStd_Array1OfReal & | Parameters | ||
) |
a node value is an index in the table of nodes specific
to an existing triangulation of a shape
Standard_Real Poly_PolygonOnTriangulation::Deflection | ( | ) | const |
void Poly_PolygonOnTriangulation::Deflection | ( | const Standard_Real | D | ) |
Standard_Boolean Poly_PolygonOnTriangulation::HasParameters | ( | ) | const |
Standard_Integer Poly_PolygonOnTriangulation::NbNodes | ( | ) | const |
const TColStd_Array1OfInteger& Poly_PolygonOnTriangulation::Nodes | ( | ) | const |
Handle_TColStd_HArray1OfReal Poly_PolygonOnTriangulation::Parameters | ( | ) | const |