public string ToJSONArray()
{
JSONArraySRTM3 a = new JSONArraySRTM3(this);
JsonSerializerSettings settings = new JsonSerializerSettings();
settings.DateTimeZoneHandling = DateTimeZoneHandling.Utc;
settings.FloatFormatHandling = FloatFormatHandling.String;
settings.Formatting = Formatting.Indented;
string json = JsonConvert.SerializeObject(a, settings);
return(json);
}
public DataTable FromJSONArray(string filename)
{
if (!File.Exists(filename))
{
return(new DataTableSRTM3());
}
try
{
using (StreamReader sr = new StreamReader(File.OpenRead(filename)))
{
string json = sr.ReadToEnd();
JSONArraySRTM3 a = JsonConvert.DeserializeObject <JSONArraySRTM3>(json);
// check version
if (String.Compare(Version, a.version) != 0)
{
// do upgrade/downgrade stuff here
}
else
{
foreach (List <string> l in a.tiles)
{
string fileindex = l[0];
string FileName = l[1];
double minlat = System.Convert.ToDouble(l[2], CultureInfo.InvariantCulture);
double maxlat = System.Convert.ToDouble(l[3], CultureInfo.InvariantCulture);
double minlon = System.Convert.ToDouble(l[4], CultureInfo.InvariantCulture);
double maxlon = System.Convert.ToDouble(l[5], CultureInfo.InvariantCulture);
int minelv = System.Convert.ToInt32(l[6]);
int maxelv = System.Convert.ToInt32(l[7]);
int rows = System.Convert.ToInt32(l[8]);
int columns = System.Convert.ToInt32(l[9]);
int version = System.Convert.ToInt32(l[10]);
string url = l[11];
SRTM3TILESTATUS status = SRTM3TILESTATUS.UNDEFINED;
try
{
status = (SRTM3TILESTATUS)Enum.Parse(typeof(SRTM3TILESTATUS), l[12]);
}
catch
{
}
bool local = System.Convert.ToBoolean(l[13]);
DateTime lastupdated = DateTime.UtcNow;
try
{
lastupdated = System.Convert.ToDateTime(l[4]);
}
catch
{
}
Update(new SRTM3TileDesignator(fileindex, filename, minlat, maxlat, minlon, maxlon, minelv, maxelv, rows, columns, version, url, status, local, lastupdated));
}
}
}
return(ToTable());
}
catch (Exception ex)
{
}
return(new DataTableSRTM3());
}