A series of straight line segments, which can also be interpreted as a series of control points for splines, etc. More...
A series of straight line segments, which can also be interpreted as a series of control points for splines, etc.
Definition at line 55 of file polyLine.H.
Public Member Functions | |
polyLine (const pointField &, const bool notImplementedClosed=false) | |
Construct from components. | |
const pointField & | points () const |
Return const-access to the control-points. | |
label | nSegments () const |
Return the number of line segments. | |
point | position (const scalar) const |
Return the point position corresponding to the curve parameter. | |
point | position (const label segment, const scalar) const |
Return the point position corresponding to the local parameter. | |
scalar | length () const |
Return the length of the curve. |
Protected Member Functions | |
void | calcParam () |
Precalculate the rational cumulative parameter value. | |
label | localParameter (scalar &lambda) const |
Return the line segment and the local parameter [0..1]. |
Protected Attributes | |
pointField | points_ |
The control points or ends of each segments. | |
scalar | lineLength_ |
The real line length. | |
scalarList | param_ |
The rational (0-1) cumulative parameter value for each point. |
polyLine | ( | const pointField & | , |
const bool | notImplementedClosed = false |
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) |
Construct from components.
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protected |
Precalculate the rational cumulative parameter value.
and the line-length
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protected |
Return the line segment and the local parameter [0..1].
corresponding to the global lambda [0..1]
const pointField& points | ( | ) | const |
Return const-access to the control-points.
label nSegments | ( | ) | const |
Return the number of line segments.
point position | ( | const scalar | ) | const |
Return the point position corresponding to the curve parameter.
0 <= lambda <= 1
Reimplemented in CatmullRomSpline, BSpline, splineEdge, and polyLineEdge.
point position | ( | const label | segment, |
const scalar | |||
) | const |
Return the point position corresponding to the local parameter.
0 <= lambda <= 1 on the given segment
Reimplemented in CatmullRomSpline, and BSpline.
scalar length | ( | ) | const |
Return the length of the curve.
Reimplemented in CatmullRomSpline, BSpline, splineEdge, and polyLineEdge.
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protected |
The control points or ends of each segments.
Definition at line 70 of file polyLine.H.
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protected |
The real line length.
Definition at line 73 of file polyLine.H.
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protected |
The rational (0-1) cumulative parameter value for each point.
Definition at line 76 of file polyLine.H.