#include <qwt_point_3d.h>
List of all members.
Detailed Description
QwtPoint3D class defines a 3D point in double coordinates.
Constructor & Destructor Documentation
QwtPoint3D::QwtPoint3D |
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inline |
Constructs a null point.
- See also:
- isNull()
QwtPoint3D::QwtPoint3D |
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const QwtPoint3D & |
other | ) |
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inline |
Copy constructor. Constructs a point using the values of the point specified.
QwtPoint3D::QwtPoint3D |
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const QPointF & |
other | ) |
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inline |
Constructs a point with x and y coordinates from a 2D point, and a z coordinate of 0.
Member Function Documentation
bool QwtPoint3D::isNull |
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const |
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inline |
Returns true if the point is null; otherwise returns false.
A point is considered to be null if x, y and z-coordinates are equal to zero.
QPointF QwtPoint3D::toPoint |
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const |
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inline |
Rounds 2D point, where the z coordinate is dropped.