Updating radar site display fields to be more human-friendly

- Latitude/longitude in degrees N/S/E/W
- Radar types with hyphens
- Sort by raw decimal values

wxdata/source/scwx/common/characters.cpp

@@ -0,0 +1,16 @@
+#include <scwx/common/characters.hpp>
+
+namespace scwx
+{
+namespace common
+{
+
+namespace Unicode
+{
+
+const std::string kDegree {"\302\260"};
+
+} // namespace Unicode
+
+} // namespace common
+} // namespace scwx

wxdata/source/scwx/common/geographic.cpp

@@ -0,0 +1,77 @@
+#include <scwx/common/geographic.hpp>
+#include <scwx/common/characters.hpp>
+
+#include <format>
+
+namespace scwx
+{
+namespace common
+{
+
+static std::string GetDegreeString(double             degrees,
+                                   DegreeStringType   type,
+                                   const std::string& suffix);
+
+std::string GetLatitudeString(double latitude, DegreeStringType type)
+{
+   std::string suffix {};
+
+   if (latitude > 0.0)
+   {
+      suffix = " N";
+   }
+   else if (latitude < 0.0)
+   {
+      suffix = " S";
+   }
+
+   return GetDegreeString(latitude, type, suffix);
+}
+
+std::string GetLongitudeString(double longitude, DegreeStringType type)
+{
+   std::string suffix {};
+
+   if (longitude > 0.0)
+   {
+      suffix = " E";
+   }
+   else if (longitude < 0.0)
+   {
+      suffix = " W";
+   }
+
+   return GetDegreeString(longitude, type, suffix);
+}
+
+static std::string GetDegreeString(double             degrees,
+                                   DegreeStringType   type,
+                                   const std::string& suffix)
+{
+   std::string degreeString {};
+
+   degrees = std::fabs(degrees);
+
+   switch (type)
+   {
+   case DegreeStringType::Decimal:
+      degreeString =
+         std::format("{:.6f}{}{}", degrees, Unicode::kDegree, suffix);
+      break;
+   case DegreeStringType::DegreesMinutesSeconds:
+   {
+      uint32_t dd  = static_cast<uint32_t>(degrees);
+      degrees      = (degrees - dd) * 60.0;
+      uint32_t mm  = static_cast<uint32_t>(degrees);
+      double   ss  = (degrees - mm) * 60.0;
+      degreeString = std::format(
+         "{}{} {}' {:.2f}\"{}", dd, Unicode::kDegree, mm, ss, suffix);
+      break;
+   }
+   }
+
+   return degreeString;
+}
+
+} // namespace common
+} // namespace scwx