public ConfiguredSpaceFillingCurveSettingsCache(Config config)
{
this._maxBits = config.Get(SpatialIndexSettings.SpaceFillingCurveMaxBits);
Dictionary <CoordinateReferenceSystem, EnvelopeSettings> env = EnvelopeSettings.EnvelopeSettingsFromConfig(config);
foreach (KeyValuePair <CoordinateReferenceSystem, EnvelopeSettings> entry in env.SetOfKeyValuePairs())
{
CoordinateReferenceSystem crs = entry.Key;
_settings[crs] = SpaceFillingCurveSettingsFactory.FromConfig(this._maxBits, entry.Value);
}
}
internal static Dictionary <CoordinateReferenceSystem, EnvelopeSettings> EnvelopeSettingsFromConfig(Config config)
{
Dictionary <CoordinateReferenceSystem, EnvelopeSettings> env = new Dictionary <CoordinateReferenceSystem, EnvelopeSettings>();
foreach (KeyValuePair <string, ConfigValue> entry in config.ConfigValues.SetOfKeyValuePairs())
{
string key = entry.Key;
string value = entry.Value.ToString();
if (key.StartsWith(SPATIAL_SETTING_PREFIX, StringComparison.Ordinal))
{
string[] fields = key.Replace(SPATIAL_SETTING_PREFIX, "").Split("\\.", true);
if (fields.Length != 3)
{
throw new System.ArgumentException("Invalid spatial config settings, expected three fields after '" + SPATIAL_SETTING_PREFIX + "': " + key);
}
else
{
CoordinateReferenceSystem crs = CoordinateReferenceSystem.byName(fields[0]);
//JAVA TO C# CONVERTER TODO TASK: Method reference constructor syntax is not converted by Java to C# Converter:
EnvelopeSettings envelopeSettings = env.computeIfAbsent(crs, EnvelopeSettings::new);
int index = "xyz".IndexOf(fields[1].ToLower(), StringComparison.Ordinal);
if (index < 0)
{
throw new System.ArgumentException("Invalid spatial coordinate key (should be one of 'x', 'y' or 'z'): " + fields[1]);
}
if (index >= crs.Dimension)
{
throw new System.ArgumentException("Invalid spatial coordinate key for " + crs.Dimension + "D: " + fields[1]);
}
switch (fields[2].ToLower())
{
case "min":
envelopeSettings._min[index] = double.Parse(value);
break;
case "max":
envelopeSettings._max[index] = double.Parse(value);
break;
default:
throw new System.ArgumentException("Invalid spatial coordinate range key (should be one of 'max' or 'min'): " + fields[2]);
}
}
}
}
return(env);
}
/// <summary>
/// This method builds the default index configuration object for the specified CRS and other config options.
/// Currently we only support a SingleSpaceFillingCurveSettings which is the best option for cartesian, but
/// not necessarily the best for geographic coordinate systems.
/// </summary>
internal static SpaceFillingCurveSettings FromConfig(int maxBits, EnvelopeSettings envelopeSettings)
{
// Currently we support only one type of index, but in future we could support different types for different CRS
return(new SpaceFillingCurveSettings.SettingsFromConfig(envelopeSettings.Crs.Dimension, maxBits, envelopeSettings.AsEnvelope()));
}