/// <summary>
/// Constructor
/// </summary>
/// <param name="xvals">array of x coordinate values for docid</param>
/// <param name="yvals">array of y coordinate values for docid</param>
/// <param name="zvals">array of z coordinate values for docid</param>
/// <param name="lat">target latitude</param>
/// <param name="lon">target longitude</param>
/// <param name="radius">target radius</param>
/// <param name="maxdoc">max doc in the docid set</param>
/// <param name="miles">variable to specify if the geo distance calculations are in miles.
/// False indicates distance calculation is in kilometers</param>
internal GeoDocIdSet(BigFloatArray xvals, BigFloatArray yvals, BigFloatArray zvals, float lat, float lon,
float radius, int maxdoc, bool miles)
{
_xvals = xvals;
_yvals = yvals;
_zvals = zvals;
_miles = miles;
if (_miles)
_radius = GeoMatchUtil.GetMilesRadiusCosine(radius);
else
_radius = GeoMatchUtil.GetKMRadiusCosine(radius);
float[] coords = GeoMatchUtil.GeoMatchCoordsFromDegrees(lat, lon);
_targetX = coords[0];
_targetY = coords[1];
_targetZ = coords[2];
if (_miles)
_delta = (float)(radius / GeoMatchUtil.EARTH_RADIUS_MILES);
else
_delta = (float)(radius / GeoMatchUtil.EARTH_RADIUS_KM);
_maxDoc = maxdoc;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="name">name of the Geo Facet</param>
/// <param name="dataCache">The data cache for the Geo Facet</param>
/// <param name="docBase">the base doc id</param>
/// <param name="fspec">the facet spec for this facet</param>
/// <param name="predefinedRanges">List of ranges, where each range looks like <lat, lon: rad></param>
/// <param name="miles">variable to specify if the geo distance calculations are in miles. False indicates distance calculation is in kilometers</param>
public GeoFacetCountCollector(string name, GeoFacetHandler.GeoFacetData dataCache,
int docBase, FacetSpec fspec, IEnumerable<string> predefinedRanges, bool miles)
{
_name = name;
_dataCache = dataCache;
_xvals = dataCache.xValArray;
_yvals = dataCache.yValArray;
_zvals = dataCache.zValArray;
_spec = fspec;
_predefinedRanges = new TermStringList();
var predefinedTemp = new List<string>(predefinedRanges);
predefinedTemp.Sort();
_predefinedRanges.AddAll(predefinedTemp);
_docBase = docBase;
_countlength = predefinedTemp.Count;
_count = new LazyBigIntArray(_countlength);
_ranges = new GeoRange[predefinedTemp.Count];
int index = 0;
foreach (string range in predefinedTemp)
{
_ranges[index++] = Parse(range);
}
_miles = miles;
}
internal GeoDocIdSetIterator(BigFloatArray xvals, BigFloatArray yvals, BigFloatArray zvals, float targetX, float targetY, float targetZ,
float delta, float radiusCosine, int maxdoc)
{
_xvals = xvals;
_yvals = yvals;
_zvals = zvals;
_targetX = targetX;
_targetY = targetY;
_targetZ = targetZ;
_delta = delta;
_radius = radiusCosine;
_maxDoc = maxdoc;
_doc = -1;
}
