chrono::ChLineCam Class Reference
Description
Geometric object describing the profile of a cam.
The shape of a cam is specified through a ChFunction which defines the motion law of the follower.
#include <ChLineCam.h>
Inheritance diagram for chrono::ChLineCam:
Collaboration diagram for chrono::ChLineCam:
Public Types | |
| enum | CamType { SLIDEFOLLOWER, ROTATEFOLLOWER, ECCENTRICFOLLOWER, FLAT, FLATOSCILLATE } |
| Cam types. | |
 Public Types inherited from chrono::ChGeometry | |
| enum | Type { NONE, SPHERE, ELLIPSOID, BOX, CYLINDER, TRIANGLE, CAPSULE, CONE, LINE, LINE_ARC, LINE_BEZIER, LINE_CAM, LINE_PATH, LINE_POLY, LINE_SEGMENT, ROUNDED_BOX, ROUNDED_CYLINDER, TRIANGLEMESH, TRIANGLEMESH_CONNECTED, TRIANGLEMESH_SOUP } |
| Enumeration of geometric object types. | |
Public Member Functions | |
| ChLineCam (const ChLineCam &source) | |
| virtual ChLineCam * | Clone () const override |
| "Virtual" copy constructor (covariant return type). | |
| virtual Type | GetType () const override |
| Get the class type as an enum. | |
| void | SetCamType (CamType t) |
| Set the cam type. | |
| CamType | GetCamType () const |
| Get the cam type. | |
| virtual void | SetClosed (bool state) override |
| virtual bool | IsClosed () const override |
| Tell if the curve is closed. | |
| void | SetPhase (double f) |
| double | GetPhase () const |
| void | SetCamRadius (double r) |
| Base radius of cam. | |
| double | GetCamRadius () const |
| void | SetWheelRadius (double r) |
| Radius of contact wheel. | |
| double | GetWheelRadius () const |
| void | SetMotionLaw (std::shared_ptr< ChFunction > motion_law) |
| The motion law, as a ChFunction. | |
| std::shared_ptr< ChFunction > | GetMotionLaw () const |
| void | SetCenter (ChVector3d mc) |
| Position of center of cam in 3d space. | |
| ChVector3d | GetCenter () const |
| void | SetNegative (bool val) |
| If true, create a negative cam. | |
| bool | IsNegative () const |
| void | SetInternal (bool val) |
| If true, creates an internal cam. | |
| bool | IsInternal () const |
| void | SetRotatingFollower (double mp, double md, double mb0) |
| Sets the data for the rotating follower (length, distance from cam center, initial phase mb0) | |
| double | GetVal () const |
| double | GetFollowerDistance () const |
| double | GetFollowerInitPhase () const |
| void | SetSlidingEccentrical (double me) |
| Sets the data for the sliding follower (if eccentric, with me eccentricity) | |
| void | SetFlatOscillate (double me, double md, double mb0) |
| Sets the data for the flat rotating follower (length, distance from cam center, initial phase mb0) | |
| ChVector3d | EvaluateCamPoint (double par, double &g, double &q) const |
| Evaluate at once all important properties of cam, function of rotation 'par' (par in range 0..1, with 1 corresponding to 360 degrees): Also returns the pressure angle g and curvature radius q. | |
| virtual ChVector3d | Evaluate (double U) const override |
| Return a point on the line, given parametric coordinate U (in [0,1]). | |
| double | GetWeight (double par) const |
| Weight evaluation. More... | |
| virtual void | ArchiveOut (ChArchiveOut &archive_out) override |
| Method to allow serialization of transient data to archives. | |
| virtual void | ArchiveIn (ChArchiveIn &archive_in) override |
| Method to allow de-serialization of transient data from archives. | |
| Public Member Functions inherited from chrono::ChLine | |
| ChLine (const ChLine &source) | |
| virtual ChVector3d | GetTangent (double parU) const |
| Return the tangent unit vector at the parametric coordinate U (in [0,1]). More... | |
| virtual int | GetComplexity () const |
| Tell the complexity. | |
| virtual void | SetComplexity (int mc) |
| virtual int | GetManifoldDimension () const override |
| This is a line. | |
| bool | FindNearestLinePoint (ChVector3d &point, double &resU, double approxU, double tol) const |
| Find the parameter resU for the nearest point on curve to "point". | |
| virtual double | Length (int sampling) const |
| Returns curve length. Typical sampling 1..5 (1 already gives correct result with degree1 curves) | |
| virtual ChVector3d | GetEndA () const |
| Return the start point of the line. More... | |
| virtual ChVector3d | 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 (does not 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... | |
| double | CurveSegmentDistMax (ChLine *complinesegm, int samples) const |
| Public Member Functions inherited from chrono::ChGeometry | |
| ChGeometry (const ChGeometry &other) | |
| virtual ChAABB | GetBoundingBox () const |
| Compute bounding box along the directions of the shape definition frame. More... | |
| void | InflateBoundingBox (ChAABB &bbox) const |
| Enlarge the given existing bounding box with the bounding box of this object. | |
| virtual double | GetBoundingSphereRadius () const |
| Returns the radius of a bounding sphere for this geometry. More... | |
| virtual ChVector3d | Baricenter () const |
| Compute center of mass. | |
| virtual void | Update () |
| Generic update of internal data. | |
Additional Inherited Members | |
| Protected Attributes inherited from chrono::ChLine | |
| bool | closed |
| int | complexityU |
Member Function Documentation
◆ GetWeight()
|
inline |
Weight evaluation.
Given that the shape is defined by a Ch_function, the returned weight is the weight of the function (Ch_function_sequence can have different 'weight' values depending on the function segment)
The documentation for this class was generated from the following files:
- /builds/uwsbel/chrono/src/chrono/geometry/ChLineCam.h
- /builds/uwsbel/chrono/src/chrono/geometry/ChLineCam.cpp
