DSWorldArrow.h

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00001 //# DSWorldArrow.h : Implementation of a world coords DSArrow
00002 //# Copyright (C) 1998,1999,2000,2001,2002
00003 //# Associated Universities, Inc. Washington DC, USA.
00004 //#
00005 //# This library is free software; you can redistribute it and/or modify it
00006 //# under the terms of the GNU Library General Public License as published by
00007 //# the Free Software Foundation; either version 2 of the License, or (at your
00008 //# option) any later version.
00009 //#
00010 //# This library is distributed in the hope that it will be useful, but WITHOUT
00011 //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00012 //# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
00013 //# License for more details.
00014 //#
00015 //# You should have received a copy of the GNU Library General Public License
00016 //# along with this library; if not, write to the Free Software Foundation,
00017 //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
00018 //#
00019 //# Correspondence concerning AIPS++ should be addressed as follows:
00020 //#        Internet email: aips2-request@nrao.edu.
00021 //#        Postal address: AIPS++ Project Office
00022 //#                        National Radio Astronomy Observatory
00023 //#                        520 Edgemont Road
00024 //#                        Charlottesville, VA 22903-2475 USA
00025 //#
00026 //# $Id:
00027 #ifndef TRIALDISPLAY_DSWORLDARROW_H
00028 #define TRIALDISPLAY_DSWORLDARROW_H
00029 
00030 #include <casa/aips.h>
00031 #include <casa/Arrays/Vector.h>
00032 #include <casa/Arrays/Matrix.h>
00033 
00034 #include <casa/Quanta/Quantum.h>
00035 #include <casa/Quanta/QuantumHolder.h>
00036 #include <display/Display/PanelDisplay.h>
00037 
00038 #include <display/DisplayShapes/DSArrow.h>
00039 #include <display/DisplayShapes/DisplayShapeWithCoords.h>
00040 
00041 namespace casa { //# NAMESPACE CASA - BEGIN
00042 
00043 // <summary>
00044 // Implementation of a world coords DSArrow
00045 // </summary>
00046         class PanelDisplay;
00047         class DSPixelArrow;
00048         class DSScreenArrow;
00049 
00050         class DSWorldArrow : public DSArrow , public DisplayShapeWithCoords {
00051 
00052         public:
00053 
00054                 DSWorldArrow();
00055                 DSWorldArrow(const Record& settings, PanelDisplay* pd);
00056                 DSWorldArrow(DSScreenArrow& other, PanelDisplay* pd);
00057                 DSWorldArrow(DSPixelArrow& other, PanelDisplay* pd);
00058 
00059                 virtual ~DSWorldArrow();
00060 
00061                 virtual void recalculateScreenPosition();
00062 
00063                 // So we can update our WCs
00064                 // <group>
00065                 virtual void move(const Float& dX, const Float& dY);
00066                 virtual void setCenter(const Float& xPos, const Float& yPos);
00067                 virtual void rotate(const Float& angle);
00068                 virtual void scale(const Float& scaleFactor);
00069                 virtual void setStartPoint(const Vector<Float>& startPoint);
00070                 virtual void setEndPoint(const Vector<Float>& endPoint);
00071                 virtual void changePoint(const Vector<Float>&pos, const Int n);
00072                 virtual void changePoint(const Vector<Float>& pos);
00073                 virtual void draw(PixelCanvas* pc);
00074                 // </group>
00075 
00076                 virtual Bool setOptions(const Record& settings);
00077                 virtual Record getOptions();
00078 
00079 
00080 
00081                 virtual Record getRawOptions() {
00082                         return DSArrow::getOptions();
00083                 }
00084 
00085                 virtual PanelDisplay* panelDisplay()  {
00086                         return itsPD;
00087                 }
00088         private:
00089 
00090                 // Based on a WC option record
00091                 //  virtual WorldCanvas* chooseWC(const Record& settings, PanelDisplay* pd);
00092 
00093                 // Based on a pixel center
00094                 virtual WorldCanvas* chooseWC(const Float& startXPos,
00095                                               const Float& startYPos,
00096                                               const Float& endXPos, const Float& endYPos,
00097                                               PanelDisplay* pd);
00098 
00099                 // The paneldisplay from which I may choose an appropriate WC
00100                 PanelDisplay* itsPD;
00101 
00102                 // The WC of my choosing
00103                 WorldCanvas* itsWC;
00104 
00105                 // The center of the marker in world co-ords.
00106                 Vector<Quantum<Double> > itsWorldStart;
00107                 Vector<Quantum<Double> > itsWorldEnd;
00108 
00109                 void updateWCoords();
00110         };
00111 
00112 } //# NAMESPACE CASA - END
00113 
00114 #endif
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