Sources_For_Linux/Qwt/doc/man/man3/QwtPoint3D.3

.TH "QwtPoint3D" 3 "Mon Dec 28 2020" "Version 6.1.6" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtPoint3D \- \fBQwtPoint3D\fP class defines a 3D point in double coordinates\&.  

.SH SYNOPSIS
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.PP
.PP
\fC#include <qwt_point_3d\&.h>\fP
.SS "Public Member Functions"

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.RI "\fBQwtPoint3D\fP ()"
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.RI "\fBQwtPoint3D\fP (double \fBx\fP, double \fBy\fP, double \fBz\fP)"
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.RI "Constructs a point with coordinates specified by x, y and z\&. "
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.RI "\fBQwtPoint3D\fP (const \fBQwtPoint3D\fP &)"
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.RI "\fBQwtPoint3D\fP (const QPointF &)"
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.RI "bool \fBisNull\fP () const"
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.RI "double \fBx\fP () const"
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.RI "double \fBy\fP () const"
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.RI "double \fBz\fP () const"
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.RI "double & \fBrx\fP ()"
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.RI "double & \fBry\fP ()"
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.RI "double & \fBrz\fP ()"
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.RI "void \fBsetX\fP (double \fBx\fP)"
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.RI "Sets the x-coordinate of the point to the value specified by x\&. "
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.RI "void \fBsetY\fP (double \fBy\fP)"
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.RI "Sets the y-coordinate of the point to the value specified by y\&. "
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.RI "void \fBsetZ\fP (double \fBy\fP)"
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.RI "Sets the z-coordinate of the point to the value specified by z\&. "
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.RI "QPointF \fBtoPoint\fP () const"
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.RI "bool \fBoperator==\fP (const \fBQwtPoint3D\fP &) const"
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.RI "bool \fBoperator!=\fP (const \fBQwtPoint3D\fP &) const"
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.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\&. 
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\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"

.PP
\fBReturns\fP
.RS 4
True if the point is null; otherwise returns false\&.
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A point is considered to be null if x, y and z-coordinates are equal to zero\&. 
.SS "bool QwtPoint3D::operator!= (const \fBQwtPoint3D\fP & other) const\fC [inline]\fP"

.PP
\fBReturns\fP
.RS 4
True if this rect and other are different; otherwise returns false\&. 
.RE
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.SS "bool QwtPoint3D::operator== (const \fBQwtPoint3D\fP & other) const\fC [inline]\fP"

.PP
\fBReturns\fP
.RS 4
True, if this point and other are equal; otherwise returns false\&. 
.RE
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.SS "double & QwtPoint3D::rx ()\fC [inline]\fP"

.PP
\fBReturns\fP
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A reference to the x-coordinate of the point\&. 
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.SS "double & QwtPoint3D::ry ()\fC [inline]\fP"

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\fBReturns\fP
.RS 4
A reference to the y-coordinate of the point\&. 
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.SS "double & QwtPoint3D::rz ()\fC [inline]\fP"

.PP
\fBReturns\fP
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A reference to the z-coordinate of the point\&. 
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.SS "QPointF QwtPoint3D::toPoint () const\fC [inline]\fP"

.PP
\fBReturns\fP
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2D point, where the z coordinate is dropped\&. 
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.SS "double QwtPoint3D::x () const\fC [inline]\fP"

.PP
\fBReturns\fP
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The x-coordinate of the point\&. 
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.SS "double QwtPoint3D::y () const\fC [inline]\fP"

.PP
\fBReturns\fP
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The y-coordinate of the point\&. 
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.SS "double QwtPoint3D::z () const\fC [inline]\fP"

.PP
\fBReturns\fP
.RS 4
The z-coordinate of the point\&. 
.RE
.PP


.SH "Author"
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Generated automatically by Doxygen for Qwt User's Guide from the source code\&.