public BaseFile(Iso8211Reader reader)
{
//Current this works because we know the two records are special
DataSetGeneralInformationRecord = reader.ReadDataRecord();
var dssi = DataSetGeneralInformationRecord.Fields.GetFieldByTag("DSSI");
if (dssi != null)
{
vectorDataStructure = (VectorDataStructure)dssi.GetUInt32("DSTR");
ATTFLexicalLevel = (LexicalLevel)dssi.GetUInt32("AALL");
NATFLexicalLevel = (LexicalLevel)dssi.GetUInt32("NALL");
numberOfMetaRecords = dssi.GetUInt32("NOMR");
numberOfCartographicRecords = dssi.GetUInt32("NOCR");
numberOfGeoRecords = dssi.GetUInt32("NOGR");
numberOfCollectionRecords = dssi.GetUInt32("NOLR");
numberOfIsolatedNodeRecords = dssi.GetUInt32("NOIN");
numberOfConnectedNodeRecords = dssi.GetUInt32("NOCN");
numberOfEdgeRecords = dssi.GetUInt32("NOED");
numberOfFaceRecords = dssi.GetUInt32("NOFA");
}
DataSetGeographicReferenceRecord = reader.ReadDataRecord();
var dspm = DataSetGeographicReferenceRecord.Fields.GetFieldByTag("DSPM");
if (dspm != null)
{
horizontalGeodeticDatum = dspm.GetUInt32("HDAT");
verticalDatum = dspm.GetUInt32("VDAT");
soundingDatum = dspm.GetUInt32("SDAT");
compilationScaleOfData = dspm.GetUInt32("CSCL");
unitsOfDepthMeasurement = dspm.GetUInt32("DUNI");
unitsOfHeightMeasurement = dspm.GetUInt32("HUNI");
unitsOfPositionalAccuracy = dspm.GetUInt32("PUNI");
coordinateUnits = (CoordinateUnits)dspm.GetUInt32("COUN");
coordinateMultiplicationFactor = dspm.GetUInt32("COMF");
soundingMultiplicationFactor = dspm.GetUInt32("SOMF");
// COMT
}
// DSPR Dataset projection
// DSRC Dataset registration control
// DSHT Dataset history
// DSAC Dataset accuracy
// CATD catalogue directory
// CATX Catalogue cross reference
List <DataRecord> fr = new List <DataRecord>();
List <DataRecord> vr = new List <DataRecord>();
var nextRec = reader.ReadDataRecord();
while (nextRec != null)
{
if (nextRec.Fields.FindFieldByTag("VRID"))
{
vr.Add(nextRec);
}
else
{
if (nextRec.Fields.FindFieldByTag("FRID"))
{
fr.Add(nextRec);
}
}
nextRec = reader.ReadDataRecord();
}
FeatureRecords = fr;
VectorRecords = vr;
}
public BaseFile(Iso8211Reader reader)
{
//Current this works because we know the two records are special
DataSetGeneralInformationRecord = reader.ReadDataRecord();
var dssi = DataSetGeneralInformationRecord.Fields.GetFieldByTag("DSSI");
if (dssi != null)
{
subFieldRow = dssi.subFields.Values[0];
tagLookup = dssi.subFields.TagIndex;
vectorDataStructure = (VectorDataStructure)subFieldRow.GetUInt32(tagLookup.IndexOf("DSTR"));
ATTFLexicalLevel = (S57LexicalLevel)subFieldRow.GetUInt32(tagLookup.IndexOf("AALL"));
NATFLexicalLevel = (S57LexicalLevel)subFieldRow.GetUInt32(tagLookup.IndexOf("NALL"));
numberOfMetaRecords = subFieldRow.GetUInt32(tagLookup.IndexOf("NOMR"));
numberOfCartographicRecords = subFieldRow.GetUInt32(tagLookup.IndexOf("NOCR"));
numberOfGeoRecords = subFieldRow.GetUInt32(tagLookup.IndexOf("NOGR"));
numberOfCollectionRecords = subFieldRow.GetUInt32(tagLookup.IndexOf("NOLR"));
numberOfIsolatedNodeRecords = subFieldRow.GetUInt32(tagLookup.IndexOf("NOIN"));
numberOfConnectedNodeRecords = subFieldRow.GetUInt32(tagLookup.IndexOf("NOCN"));
numberOfEdgeRecords = subFieldRow.GetUInt32(tagLookup.IndexOf("NOED"));
numberOfFaceRecords = subFieldRow.GetUInt32(tagLookup.IndexOf("NOFA"));
}
DataSetGeographicReferenceRecord = reader.ReadDataRecord();
var dspm = DataSetGeographicReferenceRecord.Fields.GetFieldByTag("DSPM");
if (dspm != null)
{
subFieldRow = dspm.subFields.Values[0];
tagLookup = dspm.subFields.TagIndex;
horizontalGeodeticDatum = subFieldRow.GetUInt32(tagLookup.IndexOf("HDAT"));
verticalDatum = subFieldRow.GetUInt32(tagLookup.IndexOf("VDAT"));
soundingDatum = subFieldRow.GetUInt32(tagLookup.IndexOf("SDAT"));
compilationScaleOfData = subFieldRow.GetUInt32(tagLookup.IndexOf("CSCL"));
unitsOfDepthMeasurement = subFieldRow.GetUInt32(tagLookup.IndexOf("DUNI"));
unitsOfHeightMeasurement = subFieldRow.GetUInt32(tagLookup.IndexOf("HUNI"));
unitsOfPositionalAccuracy = subFieldRow.GetUInt32(tagLookup.IndexOf("PUNI"));
coordinateUnits = (CoordinateUnits)subFieldRow.GetUInt32(tagLookup.IndexOf("COUN"));
coordinateMultiplicationFactor = subFieldRow.GetUInt32(tagLookup.IndexOf("COMF"));
soundingMultiplicationFactor = subFieldRow.GetUInt32(tagLookup.IndexOf("SOMF"));
// COMT
}
// DSPR Dataset projection
// DSRC Dataset registration control
// DSHT Dataset history
// DSAC Dataset accuracy
// CATD catalogue directory
// CATX Catalogue cross reference
eFeatureRecords = new Dictionary <NAMEkey, Feature>();
eFeatureObjects = new Dictionary <LongName, Feature>();
eVectorRecords = new Dictionary <NAMEkey, Vector>();
var nextRec = reader.ReadDataRecord();
while (nextRec != null)
{
if (nextRec.Fields.FindFieldByTag("VRID"))
{
vrid = nextRec.Fields.GetFieldByTag("VRID");
rcnm = vrid.subFields.GetUInt32(0, "RCNM");
rcid = vrid.subFields.GetUInt32(0, "RCID");
var key = new NAMEkey(rcnm, rcid);
Vector newVec = new Vector(key, nextRec);
eVectorRecords.Add(key, newVec);
}
else
{
if (nextRec.Fields.FindFieldByTag("FRID"))
{
frid = nextRec.Fields.GetFieldByTag("FRID");
rcnm = frid.subFields.GetUInt32(0, "RCNM");
rcid = frid.subFields.GetUInt32(0, "RCID");
//consider using lnam as key (from FOID field), challenge: update files deleting a feature record do not encode lnam of that feature record
var key = new NAMEkey(rcnm, rcid);
Feature newFeat = new Feature(key, nextRec);
eFeatureRecords.Add(key, newFeat);
}
}
nextRec = reader.ReadDataRecord();
}
}
