RegionBox.h

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00001 //# Copyright (C) 2005
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:
00019 //#        Internet email: aips2-request@nrao.edu.
00020 //#        Postal address: AIPS++ Project Office
00021 //#                        National Radio Astronomy Observatory
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00023 //#                        Charlottesville, VA 22903-2475 USA
00024 //#
00025 
00026 #ifndef REGIONBOX_H_
00027 #define REGIONBOX_H_
00028 
00029 #include <QList>
00030 #include <QString>
00031 #include <casa/Arrays/Vector.h>
00032 
00033 namespace casa {
00034 
00035         class RegionBox {
00036         public:
00037                 RegionBox(const QList<int> &pixel_x, const QList<int> &pixel_y);
00038                 QString toString(const Vector<int>& imageBLC, const Vector<int>& imageTRC) const;
00039                 QString toStringLabelled(const Vector<int>& imageBLC, const Vector<int>& imageTRC) const;
00040 
00041                 void update( const QList<int> & pixelX, const QList<int> & pixelY );
00042                 bool isInBox( double valueX, double valueY ) const;
00043                 virtual ~RegionBox();
00044         private:
00045                 void clear();
00046                 //Code was crashing when the region box bounds were bigger than the
00047                 //image bounds.  The actualBLC/TRC methods choose smaller region boxes
00048                 //in such cases.
00049                 QVector<int> getActualBLC( const Vector<int>& imageBLC, const Vector<int>& imageTRC, bool* valid) const;
00050                 QVector<int> getActualTRC( const Vector<int>& imageBLC, const Vector<int>& imageTRC, bool* valid ) const;
00051                 bool isInImage( const QVector<int>& coords, const Vector<int>& imageBLC,
00052                                 const Vector<int>& imageTRC ) const;
00053                 void initBox( const QList<int> & pixelX, const QList<int>& pixelY );
00054                 QList<int> regionBoxBLC;
00055                 QList<int> regionBoxTRC;
00056         };
00057 
00058 } /* namespace casa */
00059 #endif /* REGIONBOX_H_ */