casa
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00001 //# WorldAxesDD.h: world axis labelling DisplayData 00002 //# Copyright (C) 2000,2001,2003,2004 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 00028 #ifndef TRIALDISPLAY_WORLDAXESDD_H 00029 #define TRIALDISPLAY_WORLDAXESDD_H 00030 00031 #include <casa/aips.h> 00032 #include <display/DisplayDatas/AxesDisplayData.h> 00033 00034 namespace casa { //# NAMESPACE CASA - BEGIN 00035 00036 class DParameterChoice; 00037 00038 // <summary> 00039 // A DisplayData to setup a World coordinate plot 00040 // </summary> 00041 // 00042 // <use visibility=export> 00043 // 00044 // <reviewed reviewer="" date="yyyy/mm/dd" tests="" demos=""> 00045 // </reviewed> 00046 // 00047 // <prerequisite> 00048 // <li> DisplayData 00049 // <li> AxesDisplayData 00050 // </prerequisite> 00051 // 00052 // <etymology> 00053 // </etymology> 00054 // <synopsis> 00055 // 00056 // </synopsis> 00057 00058 class WorldAxesDD : public AxesDisplayData { 00059 00060 public: 00061 00062 // Constructor. 00063 WorldAxesDD(); 00064 00065 // Destructor. 00066 virtual ~WorldAxesDD(); 00067 00068 // Install the default options for this DisplayData. 00069 virtual void setDefaultOptions(); 00070 00071 // Apply options stored in <src>rec</src> to the DisplayData. A 00072 // return value of <src>True</src> means a refresh is needed. 00073 // <src>recOut</src> contains any fields which were implicitly 00074 // changed as a result of the call to this function. 00075 virtual Bool setOptions(Record& rec, Record& recOut); 00076 00077 // Retrieve the current and default options and parameter types. 00078 virtual Record getOptions(); 00079 00080 // Create a new AxesDisplayMethod for drawing on the given 00081 // WorldCanvas when the AttributeBuffers are suitably matched to the 00082 // current state of this DisplayData and of the WorldCanvas/Holder. 00083 // The tag is a unique number used to identify the age of the newly 00084 // constructed CachingDisplayMethod. 00085 virtual CachingDisplayMethod* newDisplayMethod(WorldCanvas* worldCanvas, 00086 AttributeBuffer* wchAttributes, 00087 AttributeBuffer* ddAttributes, 00088 CachingDisplayData* dd); 00089 00090 // Return the current options of this DisplayData as an 00091 // AttributeBuffer. 00092 virtual AttributeBuffer optionsAsAttributes(); 00093 00094 virtual String spectralUnit() const 00095 { return itsParamSpectralUnit->value(); } 00096 00097 virtual String velocityType() const 00098 { return itsParamVelocityType->value(); } 00099 00100 virtual String axisText(const WorldCanvas* wc, const uInt axisNo) const; 00101 virtual String xAxisText(const WorldCanvas* wc=0) const; 00102 virtual String yAxisText(const WorldCanvas* wc=0) const; 00103 00104 // Pure virtual function from DisplayData... 00105 String dataType() const { return "label"; } 00106 00107 protected: 00108 00109 // (Required) copy constructor. 00110 WorldAxesDD(const WorldAxesDD& other); 00111 00112 // (Required) copy assignment. 00113 void operator=(const WorldAxesDD& other); 00114 00115 private: 00116 00117 // Install the default options for this DisplayData. 00118 void installDefaultOptions(); 00119 00120 // Set Spectral preference (options) 00121 DParameterChoice* itsParamSpectralUnit; 00122 DParameterChoice* itsParamVelocityType; 00123 00124 }; 00125 00126 00127 } //# NAMESPACE CASA - END 00128 00129 #endif