private UCAC2Index(string ucac2Folder)
{
string indexFile = Path.Combine(ucac2Folder, "u2index.da");
using (FileStream fs = new FileStream(indexFile, FileMode.Open, FileAccess.Read))
{
BinaryReader reader = new BinaryReader(fs);
for (int i = 0; i < 288; i++)
{
for (int j = 0; j < 240; j++)
{
RAIndexPerZone[i, j] = reader.ReadUInt32();
}
}
#if ASTROMETRY_DEBUG
Trace.Assert(reader.BaseStream.Position == reader.BaseStream.Length);
#endif
}
int idx = -1;
using (Stream data = AssemblyHelper.GetEmbededResourceStreamThatClientMustDispose("Tangra.StarCatalogues.UCAC2", "ucac2.idx"))
{
BinaryReader rdr = new BinaryReader(data);
while (rdr.BaseStream.Position < rdr.BaseStream.Length)
{
idx++;
ZoneIndex[idx] = new UCAC2BinIndexEntry(rdr);
}
}
idx = -1;
using (Stream data = AssemblyHelper.GetEmbededResourceStreamThatClientMustDispose("Tangra.StarCatalogues.UCAC2", "bss2.idx"))
{
BinaryReader rdr = new BinaryReader(data);
while (rdr.BaseStream.Position < rdr.BaseStream.Length)
{
idx++;
BSSZoneIndex[idx] = new UCAC2BinIndexEntry(rdr);
}
}
using (Stream data = AssemblyHelper.GetEmbededResourceStreamThatClientMustDispose("Tangra.StarCatalogues.UCAC2", "bsindex.da"))
{
BinaryReader reader = new BinaryReader(data);
for (int i = 0; i < 36; i++)
{
for (int j = 0; j < 240; j++)
{
BSSRAIndexPerZone[i, j] = reader.ReadUInt32();
}
}
#if ASTROMETRY_DEBUG
Trace.Assert(reader.BaseStream.Position == reader.BaseStream.Length);
#endif
}
}
public LoadPosition(UCAC2Index index, UCAC2BinIndexEntry entry, SearchZone zone, bool bss)
{
this.ZoneId = entry.ZoneId;
FirstStarNoInBin = entry.LastStarNo - entry.TotalStarsInBin;
if (bss)
{
if (zone.RADeciHoursFrom == 0)
{
this.FromRecordId = 1;
}
else
{
this.FromRecordId = index.BSSRAIndexPerZone[entry.ZoneId - 1, zone.RADeciHoursFrom - 1] -
FirstStarNoInBin;
}
if (zone.RADeciHoursTo == 0)
{
this.ToRecordId = 1;
}
else
{
this.ToRecordId = index.BSSRAIndexPerZone[entry.ZoneId - 1, zone.RADeciHoursTo - 1] -
(entry.LastStarNo - entry.TotalStarsInBin);
}
}
else
{
if (zone.RADeciHoursFrom == 0)
{
this.FromRecordId = 1;
}
else
{
this.FromRecordId = index.RAIndexPerZone[entry.ZoneId - 1, zone.RADeciHoursFrom - 1] -
FirstStarNoInBin;
}
if (zone.RADeciHoursTo == 0)
{
this.ToRecordId = 1;
}
else
{
this.ToRecordId = index.RAIndexPerZone[entry.ZoneId - 1, zone.RADeciHoursTo - 1] -
(entry.LastStarNo - entry.TotalStarsInBin);
}
}
BSS = bss;
}
public LoadPosition(UCAC2Index index, UCAC2BinIndexEntry entry, SearchZone zone)
: this(index, entry, zone, false)
{
}
internal List <LoadPosition> GetLoadPositions(SearchZone zone)
{
List <LoadPosition> searchPositions = new List <LoadPosition>();
UCAC2BinIndexEntry lastEntry = null;
for (int i = 0; i < ZoneIndex.Length; i++)
{
UCAC2BinIndexEntry entry = ZoneIndex[i];
if (zone.DEFrom > entry.DEFrom)
{
lastEntry = entry;
continue;
}
if (lastEntry != null)
{
entry = lastEntry;
}
// Add one position
LoadPosition pos = new LoadPosition(this, entry, zone);
searchPositions.Add(pos);
while (zone.DETo > entry.DETo)
{
if (entry.ZoneId < ZoneIndex.Length)
{
entry = ZoneIndex[entry.ZoneId];
// Add another position
LoadPosition pos2 = new LoadPosition(this, entry, zone);
searchPositions.Add(pos2);
}
}
break;
}
lastEntry = null;
for (int i = 0; i < BSSZoneIndex.Length; i++)
{
UCAC2BinIndexEntry entry = BSSZoneIndex[i];
if (zone.DEFrom > entry.DEFrom)
{
lastEntry = entry;
continue;
}
if (lastEntry != null)
{
entry = lastEntry;
}
// Add one position
LoadPosition pos = new LoadPosition(this, entry, zone, true);
searchPositions.Add(pos);
while (zone.DETo > entry.DETo)
{
if (entry.ZoneId < BSSZoneIndex.Length)
{
entry = BSSZoneIndex[entry.ZoneId];
// Add another position
LoadPosition pos2 = new LoadPosition(this, entry, zone, true);
searchPositions.Add(pos2);
}
}
break;
}
return(searchPositions);
}
private UCAC2Index(string ucac2Folder)
{
string indexFile = Path.Combine(ucac2Folder, "u2index.da");
using(FileStream fs = new FileStream(indexFile, FileMode.Open, FileAccess.Read))
{
BinaryReader reader = new BinaryReader(fs);
for (int i = 0; i < 288; i++)
for (int j = 0; j < 240; j++)
{
RAIndexPerZone[i, j] = reader.ReadUInt32();
}
#if ASTROMETRY_DEBUG
Trace.Assert(reader.BaseStream.Position == reader.BaseStream.Length);
#endif
}
int idx = -1;
using (Stream data = AssemblyHelper.GetEmbededResourceStreamThatClientMustDispose("Tangra.StarCatalogues.UCAC2", "ucac2.idx"))
{
BinaryReader rdr = new BinaryReader(data);
while (rdr.BaseStream.Position < rdr.BaseStream.Length)
{
idx++;
ZoneIndex[idx] = new UCAC2BinIndexEntry(rdr);
}
}
idx = -1;
using (Stream data = AssemblyHelper.GetEmbededResourceStreamThatClientMustDispose("Tangra.StarCatalogues.UCAC2", "bss2.idx"))
{
BinaryReader rdr = new BinaryReader(data);
while (rdr.BaseStream.Position < rdr.BaseStream.Length)
{
idx++;
BSSZoneIndex[idx] = new UCAC2BinIndexEntry(rdr);
}
}
using (Stream data = AssemblyHelper.GetEmbededResourceStreamThatClientMustDispose("Tangra.StarCatalogues.UCAC2", "bsindex.da"))
{
BinaryReader reader = new BinaryReader(data);
for (int i = 0; i < 36; i++)
for (int j = 0; j < 240; j++)
{
BSSRAIndexPerZone[i, j] = reader.ReadUInt32();
}
#if ASTROMETRY_DEBUG
Trace.Assert(reader.BaseStream.Position == reader.BaseStream.Length);
#endif
}
}
public LoadPosition(UCAC2Index index, UCAC2BinIndexEntry entry, SearchZone zone, bool bss)
{
this.ZoneId = entry.ZoneId;
FirstStarNoInBin = entry.LastStarNo - entry.TotalStarsInBin;
if (bss)
{
if (zone.RADeciHoursFrom == 0)
this.FromRecordId = 1;
else
this.FromRecordId = index.BSSRAIndexPerZone[entry.ZoneId - 1, zone.RADeciHoursFrom - 1] -
FirstStarNoInBin;
if (zone.RADeciHoursTo == 0)
this.ToRecordId = 1;
else
this.ToRecordId = index.BSSRAIndexPerZone[entry.ZoneId - 1, zone.RADeciHoursTo - 1] -
(entry.LastStarNo - entry.TotalStarsInBin);
}
else
{
if (zone.RADeciHoursFrom == 0)
this.FromRecordId = 1;
else
this.FromRecordId = index.RAIndexPerZone[entry.ZoneId - 1, zone.RADeciHoursFrom - 1] -
FirstStarNoInBin;
if (zone.RADeciHoursTo == 0)
this.ToRecordId = 1;
else
this.ToRecordId = index.RAIndexPerZone[entry.ZoneId - 1, zone.RADeciHoursTo - 1] -
(entry.LastStarNo - entry.TotalStarsInBin);
}
BSS = bss;
}
public LoadPosition(UCAC2Index index, UCAC2BinIndexEntry entry, SearchZone zone)
: this(index, entry, zone, false)
{
}