/**
* {@inheritDoc}
*/
public override Tuple Decode(int[] encoded, string parentFieldName)
{
// Get the scalar values from the underlying scalar encoder
DecodeResult result = (DecodeResult)scalarEncoder.Decode(encoded, parentFieldName);
if (result.GetFields().Count == 0)
{
return(result);
}
// Expect only 1 field
if (result.GetFields().Count != 1)
{
throw new InvalidOperationException("Expecting only one field");
}
//Get the list of categories the scalar values correspond to and
// generate the description from the category name(s).
Map <string, RangeList> fieldRanges = result.GetFields();
List <MinMax> outRanges = new List <MinMax>();
StringBuilder desc = new StringBuilder();
foreach (string descripStr in fieldRanges.Keys)
{
MinMax minMax = fieldRanges[descripStr].GetRange(0);
int minV = (int)Math.Round(minMax.Min());
int maxV = (int)Math.Round(minMax.Max());
outRanges.Add(new MinMax(minV, maxV));
while (minV <= maxV)
{
if (desc.Length > 0)
{
desc.Append(", ");
}
desc.Append(indexToCategory[minV]);
minV += 1;
}
}
//Return result
string fieldName;
if (parentFieldName.Any())
{
fieldName = string.Format("{0}.{1}", parentFieldName, name);
}
else
{
fieldName = name;
}
Map <string, RangeList> retVal = new Map <string, RangeList>();
retVal.Add(fieldName, new RangeList(outRanges, desc.ToString()));
return(new DecodeResult(retVal, new[] { fieldName }.ToList()));
}
/**
* {@inheritDoc}
*/
public override Tuple Decode(int[] encoded, string parentFieldName)
{
// Get the scalar values from the underlying scalar encoder
DecodeResult decodeResult = (DecodeResult)_encoder.Decode(encoded, parentFieldName);
Map <string, RangeList> fields = decodeResult.GetFields();
if (fields.Keys.Count == 0)
{
return(decodeResult);
}
// Convert each range into normal space
RangeList inRanges = fields.Values.ToArray()[0];
RangeList outRanges = new RangeList(new List <MinMax>(), "");
foreach (MinMax minMax in inRanges.GetRanges())
{
MinMax scaledMinMax = new MinMax(Math.Pow(10, minMax.Min()),
Math.Pow(10, minMax.Max()));
outRanges.Add(scaledMinMax);
}
// Generate a text description of the ranges
string desc = "";
int numRanges = outRanges.Count;
for (int i = 0; i < numRanges; i++)
{
MinMax minMax = outRanges.GetRange(i);
if (minMax.Min() != minMax.Max())
{
desc += string.Format("{0:#.00}-{1:#.00}", minMax.Min(), minMax.Max());
}
else
{
desc += string.Format("{0:#.00}", minMax.Min());
}
if (i < numRanges - 1)
{
desc += ", ";
}
}
outRanges.SetDescription(desc);
string fieldName;
if (!parentFieldName.Equals(""))
{
fieldName = string.Format("{0}.{1}", parentFieldName, GetName());
}
else
{
fieldName = GetName();
}
Map <string, RangeList> outFields = new Map <string, RangeList>();
outFields.Add(fieldName, outRanges);
List <string> fieldNames = new List <string>();
fieldNames.Add(fieldName);
return(new DecodeResult(outFields, fieldNames));
}