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DSWorldMarker.h
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00001 //# DSWorldMarker.h : Implementation of a world coords DSMarker
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_DSWORLDMARKER_H
00028 #define TRIALDISPLAY_DSWORLDMARKER_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/DSMarker.h>
00039 #include <display/DisplayShapes/DisplayShapeWithCoords.h>
00040 
00041 namespace casa { //# NAMESPACE CASA - BEGIN
00042 
00043 // <summary>
00044 // Implementation of a world coords DSMarker
00045 // </summary>
00046 
00047 class PanelDisplay;
00048 class DSPixelMarker;
00049 class DSScreenMarker;
00050 
00051 class DSWorldMarker : public DSMarker , public DisplayShapeWithCoords{
00052 
00053 public:
00054 
00055   DSWorldMarker();
00056   DSWorldMarker(const Record& settings, PanelDisplay* pd);
00057   DSWorldMarker(DSScreenMarker& other, PanelDisplay* pd);
00058   DSWorldMarker(DSPixelMarker& other, PanelDisplay* pd);
00059 
00060   virtual ~DSWorldMarker();
00061 
00062   virtual void recalculateScreenPosition();
00063 
00064   virtual void move(const Float& dX, const Float& dY);
00065   virtual void setCenter(const Float& xPos, const Float& yPos);
00066   virtual void draw(PixelCanvas* pc);
00067   
00068   virtual Bool setOptions(const Record& settings);
00069   virtual Record getOptions();
00070 
00071   virtual Record getRawOptions() {
00072     return DSMarker::getOptions();
00073   }
00074   
00075   virtual PanelDisplay* panelDisplay()  {
00076     return itsPD;
00077   }
00078 private:
00079   
00080   // Based on a WC option record
00081   //  virtual Bool chooseWC(const Record& settings, PanelDisplay* pd, 
00082   //            WorldCanvas* wc);
00083   
00084   // Based on a pixel center
00085   //  virtual Bool chooseWC(const Float& xPos, const Float& yPos, 
00086   //            PanelDisplay* pd, 
00087   //            WorldCanvas* wc);
00088 
00089   // The paneldisplay from which I may choose an appropriate WC
00090   PanelDisplay* itsPD;
00091 
00092   // The WC of my choosing
00093   WorldCanvas* itsWC;
00094 
00095   // The center of the marker in world co-ords.
00096   Vector<Quantum<Double> > itsWorldCenter;
00097   
00098   void updateWCent();
00099 };
00100 
00101 } //# NAMESPACE CASA - END
00102 
00103 #endif 
00104 
00105 
00106