chrono::geometry::ChLinePoly Class Reference


Geometric object representing a polygonal line in 3D space, controlled by control points.

#include <ChLinePoly.h>

Inheritance diagram for chrono::geometry::ChLinePoly:
Collaboration diagram for chrono::geometry::ChLinePoly:

Public Member Functions

 ChLinePoly (int mnumpoints=1)
 ChLinePoly (const ChLinePoly &source)
virtual ChLinePolyClone () const override
 "Virtual" copy constructor (covariant return type).
virtual GeometryType GetClassType () const override
 Get the class type as unique numerical ID (faster than using ChronoRTTI mechanism). More...
virtual int Get_complexity () const override
 Tell the complexity.
virtual void Set_complexity (int mc) override
virtual void Evaluate (ChVector<> &pos, const double parU, const double parV=0., const double parW=0.) const override
 Curve evaluation (only parU is used, in 0..1 range)
virtual double Length (int sampling) const override
 Returns curve length. sampling does not matter.
virtual bool DrawPostscript (ChFile_ps *mfle, int markpoints, int bezier_interpolate) override
 Draw into the current graph viewport of a ChFile_ps file.
size_t Get_numpoints () const
 Gets the number of control points.
int Get_degree () const
 Get the degree of the curve (1= linear, 2= quadric, 3= cubic, etc.)
ChVector Get_point (size_t mnum) const
 Get the n-th control point.
bool Set_point (int mnum, ChVector<> mpoint)
 Set the n-th control point.
virtual void ArchiveOUT (ChArchiveOut &marchive) override
 Method to allow serialization of transient data to archives.
virtual void ArchiveIN (ChArchiveIn &marchive) override
 Method to allow deserialization of transient data from archives.
- Public Member Functions inherited from chrono::geometry::ChLine
 ChLine (const ChLine &source)
virtual bool Get_closed () const
 Tell if the curve is closed.
virtual void Set_closed (bool mc)
virtual int GetManifoldDimension () const override
 This is a line.
bool FindNearestLinePoint (ChVector<> &point, double &resU, double approxU, double tol) const
 Find the parameter resU for the nearest point on curve to "point".
virtual ChVector GetEndA () const
 Return the start point of the line. More...
virtual ChVector GetEndB () const
 Return the end point of the line. More...
double CurveCurveDist (ChLine *compline, int samples) const
 Returns adimensional information on "how much" this curve is similar to another in its overall shape (doesnot matter parametrization or start point). More...
double CurveSegmentDist (ChLine *complinesegm, int samples) const
 Same as before, but returns "how near" is complinesegm to whatever segment of this line (does not matter the percentual of line). More...
double CurveCurveDistMax (ChLine *compline, int samples) const
 Same as above, but instead of making average of the distances, these functions return the maximum of the distances... More...
double CurveSegmentDistMax (ChLine *complinesegm, int samples) const
- Public Member Functions inherited from chrono::geometry::ChGeometry
 ChGeometry (const ChGeometry &source)
virtual void GetBoundingBox (double &xmin, double &xmax, double &ymin, double &ymax, double &zmin, double &zmax, ChMatrix33<> *Rot=NULL) const
 Compute bounding box. More...
virtual void InflateBoundingBox (double &xmin, double &xmax, double &ymin, double &ymax, double &zmin, double &zmax, ChMatrix33<> *Rot=NULL) const
 Enlarge a previous existing bounding box. More...
virtual double Size () const
 Returns the radius of the sphere which can enclose the geometry.
virtual void Derive (ChVector<> &dir, const double parU, const double parV=0., const double parW=0.) const
 Evaluates a tangent versor on a geometry, given parametric coordinates, if possible. More...
virtual ChVector Baricenter () const
 Compute center of mass It should be overriden by inherited classes.
virtual void CovarianceMatrix (ChMatrix33<> &C) const
 Compute the 3x3 covariance matrix (only the diagonal and upper part) It should be overriden by inherited classes.
virtual void Update ()
 Generic update of internal data. More...

Additional Inherited Members

- Public Types inherited from chrono::geometry::ChGeometry
enum  GeometryType {
 Enumeration of geometric objects.
- Protected Attributes inherited from chrono::geometry::ChLine
bool closed
int complexityU

Member Function Documentation

virtual GeometryType chrono::geometry::ChLinePoly::GetClassType ( ) const

Get the class type as unique numerical ID (faster than using ChronoRTTI mechanism).

Each inherited class must return an unique ID.

Reimplemented from chrono::geometry::ChLine.