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Qt5 built in qwt (#570)
- 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)
This commit is contained in:
Dhanya Thattil
280
libs/qwt-6.1.5/doc/man/man3/QwtMatrixRasterData.3
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280
libs/qwt-6.1.5/doc/man/man3/QwtMatrixRasterData.3
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.TH "QwtMatrixRasterData" 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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QwtMatrixRasterData \- A class representing a matrix of values as raster data\&.
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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_matrix_raster_data\&.h>\fP
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.PP
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Inherits \fBQwtRasterData\fP\&.
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.SS "Public Types"
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.in +1c
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.ti -1c
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.RI "enum \fBResampleMode\fP { \fBNearestNeighbour\fP, \fBBilinearInterpolation\fP }"
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.br
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.RI "Resampling algorithm The default setting is NearestNeighbour;\&. "
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.in -1c
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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 "\fBQwtMatrixRasterData\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~QwtMatrixRasterData\fP ()"
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.br
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.RI "Destructor\&. "
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.ti -1c
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.RI "void \fBsetResampleMode\fP (\fBResampleMode\fP mode)"
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.br
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.RI "Set the resampling algorithm\&. "
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.ti -1c
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.RI "\fBResampleMode\fP \fBresampleMode\fP () const"
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.br
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.ti -1c
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.RI "virtual void \fBsetInterval\fP (Qt::Axis, const \fBQwtInterval\fP &)"
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.br
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.RI "Assign the bounding interval for an axis\&. "
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.ti -1c
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.RI "void \fBsetValueMatrix\fP (const QVector< double > &values, int \fBnumColumns\fP)"
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.br
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.RI "Assign a value matrix\&. "
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.ti -1c
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.RI "const QVector< double > \fBvalueMatrix\fP () const"
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.br
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.ti -1c
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.RI "void \fBsetValue\fP (int row, int col, double \fBvalue\fP)"
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.br
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.RI "Change a single value in the matrix\&. "
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.ti -1c
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.RI "int \fBnumColumns\fP () const"
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.br
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.ti -1c
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.RI "int \fBnumRows\fP () const"
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.br
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.ti -1c
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.RI "virtual QRectF \fBpixelHint\fP (const QRectF &) const"
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.br
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.RI "Calculate the pixel hint\&. "
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.ti -1c
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.RI "virtual double \fBvalue\fP (double x, double y) const"
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.br
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.in -1c
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.SH "Detailed Description"
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.PP
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A class representing a matrix of values as raster data\&.
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\fBQwtMatrixRasterData\fP implements an interface for a matrix of equidistant values, that can be used by a \fBQwtPlotRasterItem\fP\&. It implements a couple of resampling algorithms, to provide values for positions, that or not on the value matrix\&.
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.SH "Member Enumeration Documentation"
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.PP
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.SS "enum \fBQwtMatrixRasterData::ResampleMode\fP"
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.PP
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Resampling algorithm The default setting is NearestNeighbour;\&.
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.PP
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\fBEnumerator\fP
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.in +1c
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.TP
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\fB\fINearestNeighbour \fP\fP
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Return the value from the matrix, that is nearest to the the requested position\&.
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.TP
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\fB\fIBilinearInterpolation \fP\fP
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Interpolate the value from the distances and values of the 4 surrounding values in the matrix,
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.SH "Member Function Documentation"
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.PP
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.SS "int QwtMatrixRasterData::numColumns () const"
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.PP
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\fBReturns\fP
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.RS 4
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Number of columns of the value matrix
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBvalueMatrix()\fP, \fBnumRows()\fP, \fBsetValueMatrix()\fP
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.RE
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.PP
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.SS "int QwtMatrixRasterData::numRows () const"
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.PP
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\fBReturns\fP
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.RS 4
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Number of rows of the value matrix
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBvalueMatrix()\fP, \fBnumColumns()\fP, \fBsetValueMatrix()\fP
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.RE
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.PP
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.SS "QRectF QwtMatrixRasterData::pixelHint (const QRectF & area) const\fC [virtual]\fP"
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.PP
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Calculate the pixel hint\&. \fBpixelHint()\fP returns the geometry of a pixel, that can be used to calculate the resolution and alignment of the plot item, that is representing the data\&.
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.PP
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.IP "\(bu" 2
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NearestNeighbour
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.br
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\fBpixelHint()\fP returns the surrounding pixel of the top left value in the matrix\&.
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.IP "\(bu" 2
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BilinearInterpolation
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.br
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Returns an empty rectangle recommending to render in target device ( f\&.e\&. screen ) resolution\&.
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.PP
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.PP
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\fBParameters\fP
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.RS 4
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\fIarea\fP Requested area, ignored
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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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Calculated hint
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBResampleMode\fP, setMatrix(), \fBsetInterval()\fP
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.RE
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.PP
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.PP
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Reimplemented from \fBQwtRasterData\fP\&.
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.SS "\fBQwtMatrixRasterData::ResampleMode\fP QwtMatrixRasterData::resampleMode () const"
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.PP
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\fBReturns\fP
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.RS 4
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resampling algorithm
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBsetResampleMode()\fP, \fBvalue()\fP
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.RE
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.PP
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.SS "void QwtMatrixRasterData::setInterval (Qt::Axis axis, const \fBQwtInterval\fP & interval)\fC [virtual]\fP"
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.PP
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Assign the bounding interval for an axis\&. Setting the bounding intervals for the X/Y axis is mandatory to define the positions for the values of the value matrix\&. The interval in Z direction defines the possible range for the values in the matrix, what is f\&.e used by \fBQwtPlotSpectrogram\fP to map values to colors\&. The Z-interval might be the bounding interval of the values in the matrix, but usually it isn't\&. ( f\&.e a interval of 0\&.0-100\&.0 for values in percentage )
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.PP
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\fBParameters\fP
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.RS 4
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\fIaxis\fP X, Y or Z axis
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.br
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\fIinterval\fP Interval
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBQwtRasterData::interval()\fP, \fBsetValueMatrix()\fP
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.RE
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.PP
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.PP
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Reimplemented from \fBQwtRasterData\fP\&.
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.SS "void QwtMatrixRasterData::setResampleMode (\fBResampleMode\fP mode)"
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.PP
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Set the resampling algorithm\&.
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.PP
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\fBParameters\fP
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.RS 4
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\fImode\fP Resampling mode
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBresampleMode()\fP, \fBvalue()\fP
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.RE
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.PP
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.SS "void QwtMatrixRasterData::setValue (int row, int col, double value)"
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.PP
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Change a single value in the matrix\&.
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.PP
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\fBParameters\fP
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.RS 4
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\fIrow\fP Row index
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.br
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\fIcol\fP Column index
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.br
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\fIvalue\fP New value
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBvalue()\fP, \fBsetValueMatrix()\fP
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.RE
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.PP
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.SS "void QwtMatrixRasterData::setValueMatrix (const QVector< double > & values, int numColumns)"
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.PP
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Assign a value matrix\&. The positions of the values are calculated by dividing the bounding rectangle of the X/Y intervals into equidistant rectangles ( pixels )\&. Each value corresponds to the center of a pixel\&.
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.PP
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\fBParameters\fP
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.RS 4
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\fIvalues\fP Vector of values
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.br
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\fInumColumns\fP Number of columns
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBvalueMatrix()\fP, \fBnumColumns()\fP, \fBnumRows()\fP, \fBsetInterval()\fP()
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.RE
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.PP
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.SS "double QwtMatrixRasterData::value (double x, double y) 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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the value at a raster position
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.RE
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.PP
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\fBParameters\fP
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.RS 4
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\fIx\fP X value in plot coordinates
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.br
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\fIy\fP Y value in plot coordinates
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBResampleMode\fP
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.RE
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.PP
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.PP
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Implements \fBQwtRasterData\fP\&.
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.SS "const QVector< double > QwtMatrixRasterData::valueMatrix () const"
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.PP
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\fBReturns\fP
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.RS 4
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Value matrix
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.RE
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.PP
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\fBSee also\fP
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.RS 4
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\fBsetValueMatrix()\fP, \fBnumColumns()\fP, \fBnumRows()\fP, \fBsetInterval()\fP
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.RE
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.PP
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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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