private void GenerateExtraIndexingData(IFitsFileInfo ff, FitsHeaderIndexedRow indexingData)
{
// Convert RA, DEC to decimal format for searches.
try
{
if (ff.HasHeaderSingleValue("RA") && ff.HasHeaderSingleValue("DEC"))
{
indexingData.ParsedRa = (double)ff.GetSingleHeaderValue("RA").Value;
indexingData.ParsedDec = (double)ff.GetSingleHeaderValue("DEC").Value;
}
else if (ff.HasHeaderSingleValue("RA_OBJ") && ff.HasHeaderSingleValue("DEC_OBJ"))
{
indexingData.ParsedRa = (double)ff.GetSingleHeaderValue("RA_OBJ").Value;
indexingData.ParsedDec = (double)ff.GetSingleHeaderValue("DEC_OBJ").Value;
}
else if (ff.HasHeaderSingleValue("OBJCTRA") && ff.HasHeaderSingleValue("OBJCTDEC"))
{
string ra = (string)ff.GetSingleHeaderValue("OBJCTRA").Value;
string dec = (string)ff.GetSingleHeaderValue("OBJCTDEC").Value;
indexingData.ParsedRa = CoordinateTransform.HmsToDegrees(ra);
indexingData.ParsedDec = CoordinateTransform.DmsToDegrees(dec);
}
}
catch (Exception e)
{
_log?.Write(LogEventCategory.Error, $"Failed to convert RA/DEC coordinates to search index format with file '{ff.FilePath}'", e);
}
}
/// <summary>
/// Add a RA/DEC constraint to the query.
/// RA and DEC can be in either decimal degrees or in HH MM SS.sss, +/-DD MM SS.sss format.
/// Radius is expected as arc minutes.
/// </summary>
/// <param name="ra">Center RA, either in degrees or 'HH MM SS.sss' format</param>
/// <param name="dec">Center DEC, either in degrees or '+/-DD MM SS.sss' format</param>
/// <param name="radius">Search radius, in arc minutes</param>
/// <returns>The same FitsQueryBuilder for chaining.</returns>
public IFitsQueryExpression RaDecRadius(string ra, string dec, double radius)
{
var dRa = CoordinateTransform.HmsToDegrees(ra);
var dDec = CoordinateTransform.DmsToDegrees(dec);
var dRadius = CoordinateTransform.ArcminToDegrees((int)radius);
return(RaDecRadius(dRa, dDec, dRadius));
}
