////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* constructor.
*/
public TabularData(BinaryReader reader, long offset, long size,
DataField[] fields, StringData stringData, StringIndex stringIndex)
: base(reader, offset, size)
{
this._fields = fields;
this._stringData = stringData;
this._stringIndex = stringIndex;
int numberOfField = fields.Length;
_recordSize = 0;
for (int i = 0; i < numberOfField; i++)
{
switch (fields[i].GetFieldType())
{
case DataField.TYPE_CHAR://char
_recordSize += 4;
break;
case DataField.TYPE_INTEGER://int
_recordSize += 4;
break;
case DataField.TYPE_SMALLINT://shot
_recordSize += 2;
break;
case DataField.TYPE_FLOAT://float
_recordSize += 8;
break;
case DataField.TYPE_DECIMAL://float
_recordSize += 8;
break;
case DataField.TYPE_DATE://date
_recordSize += 4;
break;
case DataField.TYPE_LOGICAL://bool
_recordSize += 1;
break;
}
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Open the map file.
*/
public void Open()
{
if (Header != null)
{
return;
}
Header = new Header(_reader, 0, 0);
_recordIndex = new RecordIndex(_reader, Header.IndexOffset,
Header.IndexLength);
_stringIndex = new StringIndex(_reader, Header.StringIndexOffset,
Header.StringIndexLength);
_stringData = new StringData(_reader, Header.StringDataOffset,
Header.StringDataLength);
_geoData = new GeoData(_reader, Header.GeoDataOffset,
Header.GeoDataLength);
TabularData = new TabularData(_reader, Header.TabularDataOffset,
Header.TabularDataLength, Header.Fields,
_stringData, _stringIndex);
_rtreeIndex = new RTreeIndex(_reader, Header.RtreeIndexOffset,
Header.RtreeIndexLength);
_tree = new RTree.RTree(_rtreeIndex.File);
}