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DSWorldEllipse.h
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00001 //# DSWorldEllipse.h : Implementation of a world coords DSEllipse
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_DSWORLDELLIPSE_H
00028 #define TRIALDISPLAY_DSWORLDELLIPSE_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/DSEllipse.h>
00039 #include <display/DisplayShapes/DisplayShapeWithCoords.h>
00040 
00041 namespace casa { //# NAMESPACE CASA - BEGIN
00042 
00043 // <summary>
00044 // Implementation of a world coords DSEllipse
00045 // </summary>
00046 
00047 class PanelDisplay;
00048 class DSPixelEllipse;
00049 class DSScreenEllipse;
00050 
00051 class DSWorldEllipse : public DSEllipse , public DisplayShapeWithCoords{
00052   
00053 public:
00054   
00055   DSWorldEllipse();
00056   DSWorldEllipse(const Record& settings, PanelDisplay* pd);
00057   DSWorldEllipse(DSScreenEllipse& other, PanelDisplay* pd);
00058   DSWorldEllipse(DSPixelEllipse& other, PanelDisplay* pd);
00059 
00060   virtual ~DSWorldEllipse();
00061 
00062   virtual void recalculateScreenPosition();
00063 
00064   // So we can update our WCs
00065   // <group>
00066   virtual void move(const Float& dX, const Float& dY);
00067   virtual void setCenter(const Float& xPos, const Float& yPos);
00068   virtual void rotate(const Float& angle);
00069   virtual void changePoint(const Vector<Float>&pos, const Int n);
00070   virtual void changePoint(const Vector<Float>& pos);
00071   virtual void draw(PixelCanvas* pc);
00072   // </group>
00073 
00074   // PLUS OTHERS!!
00075 
00076   virtual Bool setOptions(const Record& settings);
00077   virtual Record getOptions();
00078 
00079   
00080 
00081   virtual Record getRawOptions() {
00082     return DSEllipse::getOptions();
00083   }
00084   
00085   virtual PanelDisplay* panelDisplay()  {
00086     return itsPD;
00087   }
00088 private:
00089   
00090   
00091   // Based on a pixel center
00092   //  virtual Bool chooseWC(const Float& centerX, const Float& centerY,
00093   //            PanelDisplay* pdx, 
00094   //WorldCanvas* wc);
00095   
00096   // The paneldisplay from which I may choose an appropriate WC
00097   PanelDisplay* itsPD;
00098 
00099   // The WC of my choosing
00100   WorldCanvas* itsWC;
00101 
00102   // The center of the marker in world co-ords.
00103   // x, y, major, minor, angle
00104   Vector<Quantum<Double> > itsWorldParameters;
00105   
00106   void updateWCoords();
00107 };
00108 
00109 } //# NAMESPACE CASA - END
00110 
00111 #endif
00112 
00113