DtGarsUtil.h

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/********************************************************************
 * Copyright (c) 2022 MAK Technologies, Inc.
 * All rights reserved.
 ********************************************************************/


#pragma once
#include <vrvUtil/vrvUtil.h>

namespace makVrv
{
   enum class DtGarsPrecision
   {
      Cell,
      Quadrant, 
      Keypad
   };

   class DT_DLL_VRVUTIL DtGarsUtil
   {
   public:

      DtGarsUtil() = default;

      ~DtGarsUtil() = default;

      DtGarsUtil(const DtGarsUtil& orig) = default;

      DtGarsUtil& operator=(const DtGarsUtil& orig) = default;

      // Takes in an Global Area ReferenceSystem grid and fills in outLat, outLon with the
      // corresponding latitude and longitude of that grid's center in radians
      static bool convertToLatLon(const std::string& garsStr, double& outLat, double& outLon);

      // Convert lat/lon (in radians) to a GARS string
      static std::string convertToGars(double lat, double lon, DtGarsPrecision precision);

      // Create the longitude 'Cell' portion of a GARS string (from "001" to "720")
      static std::string calculateLongitudeCellStr(double degLon);

      // Create the latitude 'Cell' portion of a GARS string (from "AA" to "QZ")
      static std::string calculateLatitudeCellStr(double degLat);
      
      // Create the 'Quadrant' portion of a GARS string (from "1" to "4")
      static std::string calculateQuadrantStr(double degLat, double degLon);

      // Create the 'Keypad' portion of a GARS string (from "1" to "9")
      static std::string calculateKeypadStr(double degLat, double degLon);
   };
}