private static string DoCell(H3Index h3, H3ToGeoArguments argParser)
{
var sb = new StringBuilder();
var gc = h3.ToGeoCoord();
if (argParser.Kml)
{
string name = string.IsNullOrEmpty(argParser.KmlName)
? "H3 Geometry"
: argParser.KmlDescription;
string desc = string.IsNullOrEmpty(argParser.KmlDescription)
? "Generated by h3ToGeo"
: argParser.KmlDescription;
sb.Append(Kml.PtsHeader(name, desc));
sb.Append(Kml.OutputPointKml(gc, h3.ToString()));
sb.Append(Kml.PtsFooter());
}
else
{
sb.Append($"{gc.Latitude.RadiansToDegrees(),10:f8}, {gc.Longitude.RadiansToDegrees(),10:f8}");
}
return(sb.ToString());
}
private static void ProcessFile(H3ToGeoArguments argParser, CommandLineParser.CommandLineParser parser)
{
if (!File.Exists(argParser.InputFileName))
{
Console.WriteLine($"Unable to open {argParser.InputFileName}");
parser.ShowUsage();
return;
}
try
{
var lines = File.ReadLines(argParser.InputFileName);
foreach (string line in lines)
{
bool test = ulong.TryParse(line.Trim(), out ulong value);
if (!test)
{
continue;
}
var h3 = new H3Index(value);
Console.Write(DoCell(h3, argParser));
}
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
}
static void Main(string[] args)
{
using var parser = new CommandLineParser.CommandLineParser();
args = args.Select(s => s.ToLower()).ToArray();
try
{
var argParser = new H3ToGeoArguments();
parser.ExtractArgumentAttributes(argParser);
parser.ParseCommandLine(args);
if (string.IsNullOrEmpty(argParser.InputFileName) && argParser.Index == 0)
{
Console.WriteLine("Need either a file or an H3Index to continue");
parser.ShowUsage();
}
else if (!string.IsNullOrEmpty(argParser.InputFileName) && argParser.Index != 0)
{
Console.WriteLine("Cannot take both a file name and an index");
parser.ShowUsage();
}
if (string.IsNullOrEmpty(argParser.InputFileName))
{
ProcessIndex(argParser, parser);
}
else
{
ProcessFile(argParser, parser);
}
}
catch (Exception)
{
Console.WriteLine("Unable to parse input.");
parser.ShowUsage();
}
}
private static void ProcessIndex(H3ToGeoArguments argParser, CommandLineParser.CommandLineParser parser)
{
var h3 = new H3Index(argParser.Index);
Console.Write(DoCell(h3, argParser));
}