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.TH "QwtVectorFieldSample" 3 "Sun Jul 18 2021" "Version 6.2.0" "Qwt User's Guide" \" -*- nroff -*-
.ad l
.nh
.SH NAME
QwtVectorFieldSample \- Sample used in vector fields\&.
.SH SYNOPSIS
.br
.PP
.PP
\fC#include <qwt_samples\&.h>\fP
.SS "Public Member Functions"
.in +1c
.ti -1c
.RI "\fBQwtVectorFieldSample\fP (double \fBx\fP=0\&.0, double \fBy\fP=0\&.0, double \fBvx\fP=0\&.0, double \fBvy\fP=0\&.0)"
.br
.RI "Constructor\&. "
.ti -1c
.RI "\fBQwtVectorFieldSample\fP (const QPointF &\fBpos\fP, double \fBvx\fP=0\&.0, double \fBvy\fP=0\&.0)"
.br
.RI "Constructor\&. "
.ti -1c
.RI "QPointF \fBpos\fP () const"
.br
.ti -1c
.RI "bool \fBisNull\fP () const"
.br
.in -1c
.SS "Public Attributes"
.in +1c
.ti -1c
.RI "double \fBx\fP"
.br
.RI "x coordinate of the position "
.ti -1c
.RI "double \fBy\fP"
.br
.RI "y coordinate of the position "
.ti -1c
.RI "double \fBvx\fP"
.br
.RI "x coordinate of the vector "
.ti -1c
.RI "double \fBvy\fP"
.br
.RI "y coordinate of the vector "
.in -1c
.SH "Detailed Description"
.PP
Sample used in vector fields\&.
A vector field sample is a position and a vector - usually representing some direction and magnitude - attached to this position\&.
.PP
\fBSee also\fP
.RS 4
\fBQwtVectorFieldData\fP
.RE
.PP
.PP
Definition at line 243 of file qwt_samples\&.h\&.
.SH "Constructor & Destructor Documentation"
.PP
.SS "QwtVectorFieldSample::QwtVectorFieldSample (double posX = \fC0\&.0\fP, double posY = \fC0\&.0\fP, double vectorX = \fC0\&.0\fP, double vectorY = \fC0\&.0\fP)\fC [inline]\fP"
.PP
Constructor\&.
.PP
\fBParameters\fP
.RS 4
\fIposX\fP x coordinate of the position
.br
\fIposY\fP y coordinate of the position
.br
\fIvectorX\fP x coordinate of the vector
.br
\fIvectorY\fP y coordinate of the vector
.RE
.PP
.PP
Definition at line 277 of file qwt_samples\&.h\&.
.SS "QwtVectorFieldSample::QwtVectorFieldSample (const QPointF & pos, double vectorX = \fC0\&.0\fP, double vectorY = \fC0\&.0\fP)\fC [inline]\fP"
.PP
Constructor\&.
.PP
\fBParameters\fP
.RS 4
\fIpos\fP Position
.br
\fIvectorX\fP x coordinate of the vector
.br
\fIvectorY\fP y coordinate of the vector
.RE
.PP
.PP
Definition at line 293 of file qwt_samples\&.h\&.
.SH "Member Function Documentation"
.PP
.SS "bool QwtVectorFieldSample::isNull () const\fC [inline]\fP"
.PP
\fBReturns\fP
.RS 4
true, if vx and vy are 0
.RE
.PP
.PP
Definition at line 309 of file qwt_samples\&.h\&.
.SS "QPointF QwtVectorFieldSample::pos () const\fC [inline]\fP"
.PP
\fBReturns\fP
.RS 4
x/y coordinates as QPointF
.RE
.PP
.PP
Definition at line 303 of file qwt_samples\&.h\&.
.SH "Author"
.PP
Generated automatically by Doxygen for Qwt User's Guide from the source code\&.