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SegmentTracer.h
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00001 //# Copyright (C) 1994,1995,1996,1997,1998,1999,2000
00002 //# Associated Universities, Inc. Washington DC, USA.
00003 //#
00004 //# This library is free software; you can redistribute it and/or modify it
00005 //# under the terms of the GNU Library General Public License as published by
00006 //# the Free Software Foundation; either version 2 of the License, or (at your
00007 //# option) any later version.
00008 //#
00009 //# This library is distributed in the hope that it will be useful, but WITHOUT
00010 //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00011 //# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
00012 //# License for more details.
00013 //#
00014 //# You should have received a copy of the GNU Library General Public License
00015 //# along with this library; if not, write to the Free Software Foundation,
00016 //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
00017 //#
00018 //# Correspondence concerning AIPS++ should be addressed as follows:
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00024 //#
00025 
00026 #ifndef SEGMENTTRACER_H_
00027 #define SEGMENTTRACER_H_
00028 
00029 #include <qwt_plot_picker.h>
00030 
00031 class QwtPlotMarker;
00032 class QwtPlot;
00033 
00034 namespace casa {
00035 
00036 class SegmentTracer : public QwtPlotPicker {
00037 public:
00038         SegmentTracer( int regionId, int index, QwtPlot* canvas );
00039         void setData( const QVector<double> xValues, const QVector<double> yValues );
00040         virtual QwtText trackerText( const QwtDoublePoint & pos ) const;
00041         virtual ~SegmentTracer();
00042 
00043 private:
00044         bool isBetween( double value, double start, double end ) const;
00045         QwtPlotMarker* marker;
00046         QwtPlot* slicePlot;
00047         int regionId;
00048         int index;
00049         QVector<double> xValues;
00050         QVector<double> yValues;
00051 };
00052 
00053 } /* namespace casa */
00054 #endif /* SEGMENTTRACER_H_ */