.TH "QwtPoint3D" 3 "Sat Jan 26 2013" "Version 6.1-rc3" "Qwt User's Guide" \" -*- nroff -*- .ad l .nh .SH NAME QwtPoint3D \- .PP \fBQwtPoint3D\fP class defines a 3D point in double coordinates\&. .SH SYNOPSIS .br .PP .PP \fC#include \fP .SS "Public Member Functions" .in +1c .ti -1c .RI "\fBQwtPoint3D\fP ()" .br .ti -1c .RI "\fBQwtPoint3D\fP (double \fBx\fP, double \fBy\fP, double \fBz\fP)" .br .RI "\fIConstructs a point with coordinates specified by x, y and z\&. \fP" .ti -1c .RI "\fBQwtPoint3D\fP (const \fBQwtPoint3D\fP &)" .br .ti -1c .RI "\fBQwtPoint3D\fP (const QPointF &)" .br .ti -1c .RI "bool \fBisNull\fP () const " .br .ti -1c .RI "double \fBx\fP () const " .br .RI "\fIReturns the x-coordinate of the point\&. \fP" .ti -1c .RI "double \fBy\fP () const " .br .RI "\fIReturns the y-coordinate of the point\&. \fP" .ti -1c .RI "double \fBz\fP () const " .br .RI "\fIReturns the z-coordinate of the point\&. \fP" .ti -1c .RI "double & \fBrx\fP ()" .br .RI "\fIReturns a reference to the x-coordinate of the point\&. \fP" .ti -1c .RI "double & \fBry\fP ()" .br .RI "\fIReturns a reference to the y-coordinate of the point\&. \fP" .ti -1c .RI "double & \fBrz\fP ()" .br .RI "\fIReturns a reference to the z-coordinate of the point\&. \fP" .ti -1c .RI "void \fBsetX\fP (double \fBx\fP)" .br .RI "\fISets the x-coordinate of the point to the value specified by x\&. \fP" .ti -1c .RI "void \fBsetY\fP (double \fBy\fP)" .br .RI "\fISets the y-coordinate of the point to the value specified by y\&. \fP" .ti -1c .RI "void \fBsetZ\fP (double \fBy\fP)" .br .RI "\fISets the z-coordinate of the point to the value specified by z\&. \fP" .ti -1c .RI "QPointF \fBtoPoint\fP () const " .br .ti -1c .RI "bool \fBoperator==\fP (const \fBQwtPoint3D\fP &) const " .br .RI "\fIReturns true if this point and other are equal; otherwise returns false\&. \fP" .ti -1c .RI "bool \fBoperator!=\fP (const \fBQwtPoint3D\fP &) const " .br .RI "\fIReturns true if this rect and other are different; otherwise returns false\&. \fP" .in -1c .SH "Detailed Description" .PP \fBQwtPoint3D\fP class defines a 3D point in double coordinates\&. .SH "Constructor & Destructor Documentation" .PP .SS "QwtPoint3D::QwtPoint3D ()\fC [inline]\fP" Constructs a null point\&. .PP \fBSee Also:\fP .RS 4 \fBisNull()\fP .RE .PP .SS "QwtPoint3D::QwtPoint3D (const \fBQwtPoint3D\fP &other)\fC [inline]\fP" Copy constructor\&. Constructs a point using the values of the point specified\&. .SS "QwtPoint3D::QwtPoint3D (const QPointF &other)\fC [inline]\fP" Constructs a point with x and y coordinates from a 2D point, and a z coordinate of 0\&. .SH "Member Function Documentation" .PP .SS "bool QwtPoint3D::isNull () const\fC [inline]\fP" Returns true if the point is null; otherwise returns false\&. .PP A point is considered to be null if x, y and z-coordinates are equal to zero\&. .SS "QPointF QwtPoint3D::toPoint () const\fC [inline]\fP" Rounds 2D point, where the z coordinate is dropped\&. .SH "Author" .PP Generated automatically by Doxygen for Qwt User's Guide from the source code\&.