/// <summary>
/// Static constructor for BigFloatArray.
/// </summary>
/// <param name="maxDoc"></param>
/// <returns></returns>
public static BigSingleArray NewInstance(int maxDoc)
{
BigSingleArray array = new BigSingleArray(maxDoc);
array.EnsureCapacity(maxDoc);
return(array);
}
internal GeoDocIdSetIterator(BigSingleArray xvals, BigSingleArray yvals, BigSingleArray zvals, float targetX, float targetY, float targetZ,
float delta, float radiusCosine, int maxdoc)
{
m_xvals = xvals;
m_yvals = yvals;
m_zvals = zvals;
m_targetX = targetX;
m_targetY = targetY;
m_targetZ = targetZ;
m_delta = delta;
m_radius = radiusCosine;
m_maxDoc = maxdoc;
m_doc = -1;
}
public override string[] GetFieldValues(BoboSegmentReader reader, int id)
{
GeoFacetData dataCache = GetFacetData <GeoFacetData>(reader);
BigSingleArray xvals = dataCache.xValArray;
BigSingleArray yvals = dataCache.yValArray;
BigSingleArray zvals = dataCache.zValArray;
float xvalue = xvals.Get(id);
float yvalue = yvals.Get(id);
float zvalue = zvals.Get(id);
float lat = GeoMatchUtil.GetMatchLatDegreesFromXYZCoords(xvalue, yvalue, zvalue);
float lon = GeoMatchUtil.GetMatchLonDegreesFromXYZCoords(xvalue, yvalue, zvalue);
string[] fieldValues = new string[2];
fieldValues[0] = Convert.ToString(lat);
fieldValues[1] = Convert.ToString(lon);
return(fieldValues);
}
/// <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, IList <string> predefinedRanges, bool miles)
{
m_name = name;
m_xvals = dataCache.xValArray;
m_yvals = dataCache.yValArray;
m_zvals = dataCache.zValArray;
m_spec = fspec;
m_predefinedRanges = new TermStringList();
predefinedRanges.Sort();
m_predefinedRanges.AddAll(predefinedRanges);
m_countlength = predefinedRanges.Count;
m_count = new LazyBigInt32Array(m_countlength);
m_ranges = new GeoRange[predefinedRanges.Count];
int index = 0;
foreach (string range in predefinedRanges)
{
m_ranges[index++] = Parse(range);
}
m_miles = miles;
}
/// <summary>
/// Initializes a new instance of <see cref="T:GeoFacetData"/>.
/// </summary>
public GeoFacetData()
{
m_xValArray = null;
m_yValArray = null;
m_zValArray = null;
}
public virtual void Load(string latFieldName, string lonFieldName, BoboSegmentReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader object is null");
}
FacetDataCache latCache = (FacetDataCache)reader.GetFacetData(latFieldName);
FacetDataCache lonCache = (FacetDataCache)reader.GetFacetData(lonFieldName);
int maxDoc = reader.MaxDoc;
BigSingleArray xVals = this.m_xValArray;
BigSingleArray yVals = this.m_yValArray;
BigSingleArray zVals = this.m_zValArray;
if (xVals == null)
{
xVals = NewInstance(maxDoc);
}
else
{
xVals.EnsureCapacity(maxDoc);
}
if (yVals == null)
{
yVals = NewInstance(maxDoc);
}
else
{
yVals.EnsureCapacity(maxDoc);
}
if (zVals == null)
{
zVals = NewInstance(maxDoc);
}
else
{
zVals.EnsureCapacity(maxDoc);
}
this.m_xValArray = xVals;
this.m_yValArray = yVals;
this.m_zValArray = zVals;
BigSegmentedArray latOrderArray = latCache.OrderArray;
ITermValueList latValList = latCache.ValArray;
BigSegmentedArray lonOrderArray = lonCache.OrderArray;
ITermValueList lonValList = lonCache.ValArray;
for (int i = 0; i < maxDoc; ++i)
{
string docLatString = latValList.Get(latOrderArray.Get(i)).Trim();
string docLonString = lonValList.Get(lonOrderArray.Get(i)).Trim();
float docLat = 0;
if (docLatString.Length > 0)
{
docLat = float.Parse(docLatString);
}
float docLon = 0;
if (docLonString.Length > 0)
{
docLon = float.Parse(docLonString);
}
float[] coords = GeoMatchUtil.GeoMatchCoordsFromDegrees(docLat, docLon);
m_xValArray.Add(i, coords[0]);
m_yValArray.Add(i, coords[1]);
m_zValArray.Add(i, coords[2]);
}
}
/// <summary>
/// Initializes a new instance of <see cref="T:GeoFacetData"/>.
/// </summary>
/// <param name="xvals">
/// xValArray array, int of size m, each element is the x coordinate value of the
/// docid (actually BigFloatArray is used instead of int to avoid requiring large
/// chunks of consecutive heap allocation)
/// </param>
/// <param name="yvals">
/// yValArray array, int of size m, each element is the y coordinate value of the
/// docid (actually BigFloatArray is used instead of int to avoid requiring large
/// chunks of consecutive heap allocation)
/// </param>
/// <param name="zvals">
/// zValArray array, int of size m, each element is the z coordinate value of the
/// docid (actually BigFloatArray is used instead of int to avoid requiring large
/// chunks of consecutive heap allocation)
/// </param>
public GeoFacetData(BigSingleArray xvals, BigSingleArray yvals, BigSingleArray zvals)
{
m_xValArray = xvals;
m_yValArray = yvals;
m_zValArray = zvals;
}