conflicting packages
QwtPlotGrid(3) | Qwt User's Guide | QwtPlotGrid(3) |
NAME¶
QwtPlotGrid - A class which draws a coordinate grid.SYNOPSIS¶
#include <qwt_plot_grid.h> Inherits QwtPlotItem.Public Member Functions¶
QwtPlotGrid ()
Detailed Description¶
A class which draws a coordinate grid.Constructor & Destructor Documentation¶
QwtPlotGrid::QwtPlotGrid () [explicit]¶
Enables major grid, disables minor grid.QwtPlotGrid::~QwtPlotGrid () [virtual]¶
Destructor.Member Function Documentation¶
void QwtPlotGrid::draw (QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect) const [virtual]¶
Draw the grid. The grid is drawn into the bounding rectangle such that gridlines begin and end at the rectangle's borders. The X and Y maps are used to map the scale divisions into the drawing region screen. Parameters:painter Painter
xMap X axis map
yMap Y axis
canvasRect Contents rect of the plot canvas
void QwtPlotGrid::enableX (booltf)¶
Enable or disable vertical gridlines. Parameters:tf Enable (true) or disable
See also:
Minor gridlines can be enabled or disabled
with enableXMin()
void QwtPlotGrid::enableXMin (booltf)¶
Enable or disable minor vertical gridlines. Parameters:tf Enable (true) or disable
See also:
enableX()
void QwtPlotGrid::enableY (booltf)¶
Enable or disable horizontal gridlines. Parameters:tf Enable (true) or disable
See also:
Minor gridlines can be enabled or disabled
with enableYMin()
void QwtPlotGrid::enableYMin (booltf)¶
Enable or disable minor horizontal gridlines. Parameters:tf Enable (true) or disable
See also:
enableY()
const QPen & QwtPlotGrid::majPen () const Returns:¶
the pen for the major gridlines
See also:
setMajPen(), setMinPen(),
setPen()
const QPen & QwtPlotGrid::minPen () const Returns:¶
the pen for the minor gridlines
See also:
setMinPen(), setMajPen(),
setPen()
int QwtPlotGrid::rtti () const [virtual] Returns:¶
QwtPlotItem::Rtti_PlotGrid
void QwtPlotGrid::setMajPen (const QPen &pen) Assign a pen for the major gridlines¶
Parameters:pen Pen
See also:
majPen(), setMinPen(),
setPen()
void QwtPlotGrid::setMinPen (const QPen &pen) Assign a pen for the minor gridlines¶
Parameters:pen Pen
See also:
minPen(), setMajPen(),
setPen()
void QwtPlotGrid::setPen (const QPen &pen) Assign a pen for both major and minor gridlines¶
Parameters:pen Pen
See also:
setMajPen(), setMinPen()
void QwtPlotGrid::setXDiv (const QwtScaleDiv &scaleDiv) Assign an x axis scale division¶
Parameters:scaleDiv Scale division
void QwtPlotGrid::setYDiv (const QwtScaleDiv &scaleDiv) Assign a y axis division¶
Parameters:scaleDiv Scale division
void QwtPlotGrid::updateScaleDiv (const QwtScaleDiv &xScaleDiv, const QwtScaleDiv &yScaleDiv) [virtual] Update the grid to changes of the axes scale division¶
Parameters:xScaleDiv Scale division of the x-axis
yScaleDiv Scale division of the y-axis
See also:
QwtPlot::updateAxes()
bool QwtPlotGrid::xEnabled () const Returns:¶
true if vertical gridlines are enabled
See also:
enableX()
bool QwtPlotGrid::xMinEnabled () const Returns:¶
true if minor vertical gridlines are
enabled
See also:
enableXMin()
const QwtScaleDiv & QwtPlotGrid::xScaleDiv () const Returns:¶
the scale division of the x axis
bool QwtPlotGrid::yEnabled () const Returns:¶
true if horizontal gridlines are enabled
See also:
enableY()
bool QwtPlotGrid::yMinEnabled () const Returns:¶
true if minor horizontal gridlines are
enabled
See also:
enableYMin()
const QwtScaleDiv & QwtPlotGrid::yScaleDiv () const Returns:¶
the scale division of the y axis
Author¶
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