WGS84 Reference Frames Enhancement

WGS84ReferenceFrame.cpp

@@ -0,0 +1,59 @@
+//####################################################################
+//
+//    FILENAME:          WGS84ReferenceFrame.cpp
+//
+//    CLASSIFICATION:    Unclassified
+//
+//    DESCRIPTION:
+//
+//    Implementation for WGS84 reference frame realization and epoch.
+//
+//    LIMITATIONS:       None
+//
+//
+//    SOFTWARE HISTORY:
+//     Date          Author    Comment
+//     -----------   ------    -------
+//     31-December-2021   Eugene Rose CCB Change
+//
+//    NOTES: 
+//    As of writing this, these are the WGS84 realizations to date.
+//    WGS84 ORIGINAL 1984.0
+//    G730           1994.0
+//    G873           1997.0
+//    G1150          2001.0
+//    G1674          2005.0
+//    G1762          2005.0
+//
+//###################################################################
+#define CSM_LIBRARY
+
+#include "csm.h"
+#include "WGS84ReferenceFrame.h"
+
+namespace csm
+{
+//****************************************************************************
+// WGS84ReferenceFrame::setDefinition()
+//****************************************************************************
+void WGS84ReferenceFrame::setDefinition(const std::string &name, const float epoch)
+{
+    m_realization = RealizationDefinition(name, epoch);
+}
+
+//****************************************************************************
+// WGS84ReferenceFrame::setDefinition()
+//****************************************************************************
+void WGS84ReferenceFrame::setDefinition(const RealizationDefinition& rd)
+{
+    m_realization = rd;
+}
+
+//****************************************************************************
+// WGS84ReferenceFrame::getDefinition()
+//****************************************************************************
+csm::WGS84ReferenceFrame::RealizationDefinition WGS84ReferenceFrame::getDefinition() const
+{
+    return m_realization;
+}
+}

WGS84ReferenceFrame.h

@@ -0,0 +1,92 @@
+//####################################################################
+//
+//    FILENAME:          WGS84ReferenceFrame.h
+//
+//    CLASSIFICATION:    Unclassified
+//
+//    DESCRIPTION:
+//
+//    Header for WGS84 reference frame realization and epoch.
+//
+//    LIMITATIONS:       None
+//
+//
+//    SOFTWARE HISTORY:
+//     Date          Author    Comment
+//     -----------   ------    -------
+//     31-December-2021   Eugene Rose CCB Change
+//
+//    NOTES: 
+//    As of writing this, these are the WGS84 realizations to date.
+//    WGS84 ORIGINAL 1984.0
+//    G730           1994.0
+//    G873           1997.0
+//    G1150          2001.0
+//    G1674          2005.0
+//    G1762          2005.0
+//
+//###################################################################
+
+#ifndef __CSM_WGS84REFERENCEFRAME_H
+#define __CSM_WGS84REFERENCEFRAME_H
+
+#include "csm.h"
+#include <string>
+
+#define WGS84_ORIGINAL "WGS84 ORIGINAL"
+#define WGS84_G730 "G730"
+#define WGS84_G873 "G873"
+#define WGS84_G1150 "G1150"
+#define WGS84_G1674 "G1674"
+#define WGS84_G1762 "G1762"
+
+namespace csm
+{
+
+class CSM_EXPORT_API WGS84ReferenceFrame
+{
+public:
+
+    struct CSM_EXPORT_API RealizationDefinition 
+    {
+    public:
+        RealizationDefinition() : m_name("WGS84_ORIGINAL"), m_epoch(1984.0) {};
+        RealizationDefinition(const std::string &name, float epoch) : m_name(name), m_epoch(epoch) {};
+        std::string m_name;
+        float m_epoch;
+    };
+    //> Realizations are defined by a string name and a float epoch which is in terms of years since 0AD.
+    // The default realization is the original one from 1984.0
+    //<
+
+    WGS84ReferenceFrame() {};
+    //> construct default realization
+    //<
+
+    WGS84ReferenceFrame(const std::string &name, const float epoch) : m_realization(name,epoch) {};
+    //> construct custom realization
+    //<
+
+    void setDefinition(const std::string &name, const float epoch);
+    //> convenience to set the internal structure (it is public)
+    //<
+
+    void setDefinition(const RealizationDefinition& rd);
+    //> convenience to set the internal structure (it is public)
+    //<
+
+    RealizationDefinition getDefinition() const;
+    //> convenience to get the internal structure (it is public)
+    //<
+
+private:
+    RealizationDefinition m_realization;
+    //> the name and epoch of the realization are here
+    //<
+
+};
+
+} // namespace csm
+
+#endif // __CSM_WGS84REFERENCEFRAME_H
+