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QWT API (English) 7.0.1
Qt Widget Library for Technical Applications - English API Documentation
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An approximation using a basis spline. More...
#include <qwt_spline_basis.h>
Public Member Functions | |
| QwtSplineBasis () | |
| Constructor. | |
| virtual | ~QwtSplineBasis () |
| Destructor. | |
| virtual QPainterPath | painterPath (const QPolygonF &) const override |
| Get painter path from polygon. | |
| virtual uint | locality () const override |
| Get locality (always 2) | |
Public Member Functions inherited from QwtSpline | |
| QwtSpline () | |
| Constructor. | |
| virtual | ~QwtSpline () |
| Destructor. | |
| void | setParametrization (int type) |
| Set parametrization by type. | |
| void | setParametrization (QwtSplineParametrization *) |
| Set parametrization object. | |
| const QwtSplineParametrization * | parametrization () const |
| Get parametrization. | |
| void | setBoundaryType (BoundaryType) |
| Set boundary type. | |
| BoundaryType | boundaryType () const |
| Get boundary type. | |
| void | setBoundaryValue (BoundaryPosition, double value) |
| Set boundary value. | |
| double | boundaryValue (BoundaryPosition) const |
| Get boundary value. | |
| void | setBoundaryCondition (BoundaryPosition, int condition) |
| Set boundary condition. | |
| int | boundaryCondition (BoundaryPosition) const |
| Get boundary condition. | |
| void | setBoundaryConditions (int condition, double valueBegin=0.0, double valueEnd=0.0) |
| Set boundary conditions for both ends. | |
| virtual QPolygonF | polygon (const QPolygonF &, double tolerance) const |
| Get polygon approximation with tolerance. | |
Additional Inherited Members | |
Public Types inherited from QwtSpline | |
| enum | BoundaryType { ConditionalBoundaries , PeriodicPolygon , ClosedPolygon } |
| Boundary type specifying the spline at its endpoints. More... | |
| enum | BoundaryPosition { AtBeginning , AtEnd } |
| position of a boundary condition More... | |
| enum | BoundaryCondition { Clamped1 , Clamped2 , Clamped3 , LinearRunout } |
| Boundary condition. More... | |
An approximation using a basis spline.
| QwtSplineBasis::QwtSplineBasis | ( | ) |
Constructor.
Constructor
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virtual |
Destructor.
Destructor
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overridevirtual |
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overridevirtual |
Get painter path from polygon.
Approximate a polygon with cubic Bezier curves.
Implements QwtSpline.