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38cd10d4e6
- qt4->qt5 - in built qt5 6.1.5 because rhel7 is not upto date with qt5, removed findqwt.cmake - made a fix in qwt lib (qwt_plot_layout.h) to work with 5.15 and lower versions for qrect constr. - qt5 forms fixed, qt4 many hard coding forms switched to forms including qtabwidget, scrolls etc, fonts moved to forms - docking option enabled by default, removed option to disable docking feature from "Mode" - added qVersionResolve utility functions to handle compatibility before and after qt5.12 - qtplots (ian's code) takes in gain mode enable to set some settings within the class, with proper gain plot ticks - ensure gain plots have no zooming of z axis in 2d and y axis in 1d - removed placeholder text in qpalette in main window form as its not supportd until 5.12 (so using qt5.9 designer insted of qt5.15 to cope) - tab order Servers: - fixed some error messages that were empty for fail in funcs (mostly minor as if this error, major issues)
127 lines
2.4 KiB
Groff
127 lines
2.4 KiB
Groff
.TH "QwtLogTransform" 3 "Mon Jun 1 2020" "Version 6.1.5" "Qwt User's Guide" \" -*- nroff -*-
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.ad l
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.nh
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.SH NAME
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QwtLogTransform \- Logarithmic transformation\&.
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.SH SYNOPSIS
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.br
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.PP
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.PP
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\fC#include <qwt_transform\&.h>\fP
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.PP
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Inherits \fBQwtTransform\fP\&.
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.SS "Public Member Functions"
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.in +1c
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.ti -1c
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.RI "\fBQwtLogTransform\fP ()"
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.br
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.RI "Constructor\&. "
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.ti -1c
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.RI "virtual \fB~QwtLogTransform\fP ()"
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.br
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.RI "Destructor\&. "
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.ti -1c
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.RI "virtual double \fBtransform\fP (double value) const"
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.br
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.ti -1c
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.RI "virtual double \fBinvTransform\fP (double value) const"
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.br
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.ti -1c
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.RI "virtual double \fBbounded\fP (double value) const"
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.br
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.ti -1c
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.RI "virtual \fBQwtTransform\fP * \fBcopy\fP () const"
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.br
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.in -1c
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.SS "Public Attributes"
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.in +1c
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.ti -1c
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.RI "QT_STATIC_CONST double \fBLogMin\fP = 1\&.0e\-150"
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.br
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.RI "Smallest allowed value for logarithmic scales: 1\&.0e-150\&. "
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.ti -1c
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.RI "QT_STATIC_CONST double \fBLogMax\fP = 1\&.0e150"
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.br
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.RI "Largest allowed value for logarithmic scales: 1\&.0e150\&. "
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.in -1c
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.SH "Detailed Description"
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.PP
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Logarithmic transformation\&.
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\fBQwtLogTransform\fP modifies the values using log() and exp()\&.
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.PP
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\fBNote\fP
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.RS 4
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In the calculations of \fBQwtScaleMap\fP the base of the log function has no effect on the mapping\&. So \fBQwtLogTransform\fP can be used for log2(), log10() or any other logarithmic scale\&.
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.RE
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.PP
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.SH "Member Function Documentation"
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.PP
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.SS "double QwtLogTransform::bounded (double value) const\fC [virtual]\fP"
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.PP
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\fBParameters\fP
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.RS 4
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\fIvalue\fP Value to be bounded
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.RE
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.PP
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\fBReturns\fP
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.RS 4
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qBound( LogMin, value, LogMax )
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.RE
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.PP
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.PP
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Reimplemented from \fBQwtTransform\fP\&.
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.SS "\fBQwtTransform\fP * QwtLogTransform::copy () const\fC [virtual]\fP"
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.PP
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\fBReturns\fP
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.RS 4
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Clone of the transformation
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.RE
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.PP
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.PP
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Implements \fBQwtTransform\fP\&.
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.SS "double QwtLogTransform::invTransform (double value) const\fC [virtual]\fP"
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.PP
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\fBParameters\fP
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.RS 4
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\fIvalue\fP Value to be transformed
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.RE
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.PP
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\fBReturns\fP
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.RS 4
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exp( value )
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.RE
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.PP
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.PP
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Implements \fBQwtTransform\fP\&.
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.SS "double QwtLogTransform::transform (double value) const\fC [virtual]\fP"
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.PP
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\fBParameters\fP
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.RS 4
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\fIvalue\fP Value to be transformed
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.RE
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.PP
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\fBReturns\fP
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.RS 4
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log( value )
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.RE
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.PP
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.PP
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Implements \fBQwtTransform\fP\&.
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.SH "Author"
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.PP
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Generated automatically by Doxygen for Qwt User's Guide from the source code\&.
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