.TH "QwtLinearScaleEngine" 3 "Tue Nov 20 2012" "Version 5.2.3" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtLinearScaleEngine \- 
.SH SYNOPSIS
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.PP
.PP
\fC#include <qwt_scale_engine\&.h>\fP
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Inherits \fBQwtScaleEngine\fP\&.
.SS "Public Member Functions"

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.ti -1c
.RI "virtual void \fBautoScale\fP (int maxSteps, double &x1, double &x2, double &stepSize) const "
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.ti -1c
.RI "virtual \fBQwtScaleDiv\fP \fBdivideScale\fP (double x1, double x2, int numMajorSteps, int numMinorSteps, double stepSize=0\&.0) const "
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.RI "virtual \fBQwtScaleTransformation\fP * \fBtransformation\fP () const "
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.SS "Protected Member Functions"

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.RI "\fBQwtDoubleInterval\fP \fBalign\fP (const \fBQwtDoubleInterval\fP &, double stepSize) const "
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.SS "Additional Inherited Members"
.SH "Detailed Description"
.PP 
A scale engine for linear scales\&. 

The step size will fit into the pattern $\left\{ 1,2,5\right\} \cdot 10^{n}$, where n is an integer\&. 
.SH "Member Function Documentation"
.PP 
.SS "\fBQwtDoubleInterval\fP QwtLinearScaleEngine::align (const \fBQwtDoubleInterval\fP &interval, doublestepSize) const\fC [protected]\fP"

.PP
Align an interval to a step size\&. The limits of an interval are aligned that both are integer multiples of the step size\&.
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\fBParameters:\fP
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\fIinterval\fP Interval 
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\fIstepSize\fP Step size
.RE
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\fBReturns:\fP
.RS 4
Aligned interval 
.RE
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.SS "void QwtLinearScaleEngine::autoScale (intmaxNumSteps, double &x1, double &x2, double &stepSize) const\fC [virtual]\fP"
Align and divide an interval
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\fBParameters:\fP
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\fImaxNumSteps\fP Max\&. number of steps 
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\fIx1\fP First limit of the interval (In/Out) 
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\fIx2\fP Second limit of the interval (In/Out) 
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\fIstepSize\fP Step size (Out)
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\fBSee also:\fP
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\fBsetAttribute()\fP 
.RE
.PP

.PP
Implements \fBQwtScaleEngine\fP\&.
.SS "\fBQwtScaleDiv\fP QwtLinearScaleEngine::divideScale (doublex1, doublex2, intmaxMajSteps, intmaxMinSteps, doublestepSize = \fC0\&.0\fP) const\fC [virtual]\fP"

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Calculate a scale division\&. \fBParameters:\fP
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\fIx1\fP First interval limit 
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\fIx2\fP Second interval limit 
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\fImaxMajSteps\fP Maximum for the number of major steps 
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\fImaxMinSteps\fP Maximum number of minor steps 
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\fIstepSize\fP Step size\&. If stepSize == 0, the scaleEngine calculates one\&.
.RE
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\fBSee also:\fP
.RS 4
QwtScaleEngine::stepSize(), QwtScaleEngine::subDivide() 
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.PP
Implements \fBQwtScaleEngine\fP\&.
.SS "\fBQwtScaleTransformation\fP * QwtLinearScaleEngine::transformation () const\fC [virtual]\fP"
Return a transformation, for linear scales 
.PP
Implements \fBQwtScaleEngine\fP\&.

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