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();
}
}
public void ApplyUpdateFile(UpdateFile updateFile)
{
DataField target_vrid, target_frid;
RecordUpdate ruin;
uint rver, target_rver;
DataField attv, target_attv;
DataField attf, target_attf;
DataField natf, target_natf;
bool attribute_found = false;
DataField vrpt, target_vrpt, vrpc;
RecordUpdate vpui;
int vpix, nvpt;
DataField coordinatefield, target_coordinatefield, sgcc;
RecordUpdate ccui;
int ccix, ccnc;
DataField ffpt, target_ffpt, ffpc;
RecordUpdate ffui;
int ffix, nfpt;
DataField fspt, target_fspt, fspc;
RecordUpdate fsui;
int fsix, nspt;
SFcontainer[] target_row;
//throw new NotImplementedException("ApplyUpdateFile not implemented");
foreach (DataRecord vr in updateFile.UpdateVectorRecords)
{
// Record Identifier Field
vrid = vr.Fields.GetFieldByTag("VRID");
subFieldRow = vrid.subFields.Values[0];
tagLookup = vrid.subFields.TagIndex;
rcnm = subFieldRow.GetUInt32(tagLookup.IndexOf("RCNM"));
rcid = subFieldRow.GetUInt32(tagLookup.IndexOf("RCID"));
rver = subFieldRow.GetUInt32(tagLookup.IndexOf("RVER"));
ruin = (RecordUpdate)subFieldRow.GetUInt32(tagLookup.IndexOf("RUIN"));
NAMEkey updateNAMEkey = new NAMEkey(rcnm, rcid);
if (ruin == RecordUpdate.Insert)
{
Vector newVec = new Vector(updateNAMEkey, vr);
eVectorRecords.Add(updateNAMEkey, newVec);
}
else
{
target_vrid = eVectorRecords[updateNAMEkey].VectorRecord.Fields.GetFieldByTag("VRID");
target_rver = target_vrid.subFields.GetUInt32(0, "RVER");
if (ruin == RecordUpdate.Delete)
{
if (target_rver == rver - 1)
{
eVectorRecords.Remove(updateNAMEkey);
}
}
else if (ruin == RecordUpdate.Modify)
{
attv = vr.Fields.GetFieldByTag("ATTV"); //attribute update not tested
if (attv != null && target_rver == rver - 1)
{
int atvl, target_atvl;
int attl, target_attl;
target_attv = eVectorRecords[updateNAMEkey].VectorRecord.Fields.GetFieldByTag("ATTV");
if (target_attv == null)
{
eVectorRecords[updateNAMEkey].VectorRecord.Fields.Add(attv);
}
else
{
attl = attv.subFields.TagIndex.IndexOf("ATTL");
target_attl = target_attv.subFields.TagIndex.IndexOf("ATTL");
atvl = attv.subFields.TagIndex.IndexOf("ATVL");
target_atvl = target_attv.subFields.TagIndex.IndexOf("ATVL");
foreach (var row in attv.subFields.Values)
{
attribute_found = false;
for (int i = 0; i < target_attv.subFields.Values.Count; i++)
{
target_row = target_attv.subFields.Values[i];
if (target_row[target_attl].Equals(row[attl])) //if attribute found, overwrite value
{
target_attv.subFields.Values[i][target_atvl] = row[atvl];
attribute_found = true;
break;
}
}
if (!attribute_found)
{
target_attv.subFields.Values.Add(row); //risky, assumes same indices of ATTL and ATVl in source and target
}
}
}
}
// VRPC update instruction Pointer Control Field
vrpc = vr.Fields.GetFieldByTag("VRPC");
if (vrpc != null && target_rver == rver - 1)
{
vpui = (RecordUpdate)vrpc.subFields.GetUInt32(0, "VPUI");
vpix = (int)vrpc.subFields.GetUInt32(0, "VPIX") - 1; //c sharp indices start at 0 while S57 indices start at 1
nvpt = (int)vrpc.subFields.GetUInt32(0, "NVPT"); //number of vector record pointers to patch
vrpt = vr.Fields.GetFieldByTag("VRPT");
target_vrpt = eVectorRecords[updateNAMEkey].VectorRecord.Fields.GetFieldByTag("VRPT");
if (vpui == RecordUpdate.Insert)
{
if (target_vrpt == null) //insert can also mean add to non-existing VRPT.
{
eFeatureRecords[updateNAMEkey].FeatureRecord.Fields.Add(vrpt);
}
else
{
for (int i = 0; i < nvpt; i++)
{
target_vrpt.subFields.Values.Insert(vpix + i, vrpt.subFields.Values[i]); //maybe risky, assumes same subfield order in source and target
}
}
}
else if (vpui == RecordUpdate.Delete)
{
for (int i = 0; i < nvpt; i++)
{
target_vrpt.subFields.Values.RemoveAt(vpix);
}
}
else if (vpui == RecordUpdate.Modify)
{
for (int i = 0; i < nvpt; i++)
{
target_vrpt.subFields.Values[vpix + i] = vrpt.subFields.Values[i]; //maybe risky, assumes same subfield order in source and target
}
}
}
// SGCC update instruction Coordinate Control Field
sgcc = vr.Fields.GetFieldByTag("SGCC");
if (sgcc != null && target_rver == rver - 1)
{
ccui = (RecordUpdate)sgcc.subFields.GetUInt32(0, "CCUI");
ccix = (int)sgcc.subFields.GetUInt32(0, "CCIX") - 1; //c sharp indices start at 0 while S57 indices start at 1
ccnc = (int)sgcc.subFields.GetUInt32(0, "CCNC"); //number of vector record pointers to patch
coordinatefield = vr.Fields.GetFieldByTag("SG2D");
target_coordinatefield = eVectorRecords[updateNAMEkey].VectorRecord.Fields.GetFieldByTag("SG2D");
if (target_coordinatefield == null)
{
coordinatefield = vr.Fields.GetFieldByTag("SG3D");
target_coordinatefield = eVectorRecords[updateNAMEkey].VectorRecord.Fields.GetFieldByTag("SG3D");
}
if (ccui == RecordUpdate.Insert)
{
if (target_coordinatefield == null) //insert can also mean add to non-existing coordinatefield.
{
eFeatureRecords[updateNAMEkey].FeatureRecord.Fields.Add(coordinatefield);
}
else
{
for (int i = 0; i < ccnc; i++)
{
target_coordinatefield.subFields.Values.Insert(ccix + i, coordinatefield.subFields.Values[i]); //maybe risky, assumes same subfield order in source and target
}
}
}
else if (ccui == RecordUpdate.Delete)
{
for (int i = 0; i < ccnc; i++)
{
target_coordinatefield.subFields.Values.RemoveAt(ccix);
}
}
else if (ccui == RecordUpdate.Modify)
{
for (int i = 0; i < ccnc; i++)
{
target_coordinatefield.subFields.Values[ccix + i] = coordinatefield.subFields.Values[i]; //risky, assumes same subfield order in source and target
}
}
}
target_vrid.subFields.Values[0][target_vrid.subFields.TagIndex.IndexOf("RVER")].uintValue = rver;
}
}
}
foreach (DataRecord fr in updateFile.UpdateFeatureRecords)
{
// Record Identifier Field
frid = fr.Fields.GetFieldByTag("FRID");
subFieldRow = frid.subFields.Values[0];
tagLookup = frid.subFields.TagIndex;
rcnm = subFieldRow.GetUInt32(tagLookup.IndexOf("RCNM"));
rcid = subFieldRow.GetUInt32(tagLookup.IndexOf("RCID"));
rver = subFieldRow.GetUInt32(tagLookup.IndexOf("RVER"));
ruin = (RecordUpdate)subFieldRow.GetUInt32(tagLookup.IndexOf("RUIN"));
NAMEkey updateNAMEkey = new NAMEkey(rcnm, rcid);
if (ruin == RecordUpdate.Insert)
{
Feature newFeat = new Feature(updateNAMEkey, fr);
eFeatureRecords.Add(updateNAMEkey, newFeat);
}
else
{
target_frid = eFeatureRecords[updateNAMEkey].FeatureRecord.Fields.GetFieldByTag("FRID");
target_rver = target_frid.subFields.GetUInt32(0, "RVER");
if (ruin == RecordUpdate.Delete)
{
if (target_rver == rver - 1)
{
eFeatureRecords.Remove(updateNAMEkey);
}
}
else if (ruin == RecordUpdate.Modify)
{
attf = fr.Fields.GetFieldByTag("ATTF"); //attribute update not tested
if (attf != null && target_rver == rver - 1)
{
int atvl, target_atvl;
int attl, target_attl;
target_attf = eFeatureRecords[updateNAMEkey].FeatureRecord.Fields.GetFieldByTag("ATTF");
if (target_attf == null)
{
eFeatureRecords[updateNAMEkey].FeatureRecord.Fields.Add(attf);
}
else
{
attl = attf.subFields.TagIndex.IndexOf("ATTL");
target_attl = target_attf.subFields.TagIndex.IndexOf("ATTL");
atvl = attf.subFields.TagIndex.IndexOf("ATVL");
target_atvl = target_attf.subFields.TagIndex.IndexOf("ATVL");
foreach (var row in attf.subFields.Values)
{
attribute_found = false;
for (int i = 0; i < target_attf.subFields.Values.Count; i++)
{
target_row = target_attf.subFields.Values[i];
if (target_row[target_attl].Equals(row[attl])) //if attribute found, overwrite value
{
target_attf.subFields.Values[i][target_atvl] = row[atvl];
attribute_found = true;
break;
}
}
if (!attribute_found)
{
target_attf.subFields.Values.Add(row); //risky, assumes same indices of ATTL and ATVl in source and target
}
}
}
}
natf = fr.Fields.GetFieldByTag("NATF"); //attribute update not tested
if (natf != null && target_rver == rver - 1)
{
int atvl, target_atvl;
int attl, target_attl;
target_natf = eFeatureRecords[updateNAMEkey].FeatureRecord.Fields.GetFieldByTag("NATF");
if (target_natf == null)
{
eFeatureRecords[updateNAMEkey].FeatureRecord.Fields.Add(natf);
}
else
{
attl = natf.subFields.TagIndex.IndexOf("ATTL");
target_attl = target_natf.subFields.TagIndex.IndexOf("ATTL");
atvl = natf.subFields.TagIndex.IndexOf("ATVL");
target_atvl = target_natf.subFields.TagIndex.IndexOf("ATVL");
foreach (var row in natf.subFields.Values)
{
attribute_found = false;
for (int i = 0; i < target_natf.subFields.Values.Count; i++)
{
target_row = target_natf.subFields.Values[i];
if (target_row[target_attl].Equals(row[attl])) //if attribute found, overwrite value
{
target_natf.subFields.Values[i][target_atvl] = row[atvl];
attribute_found = true;
break;
}
}
if (!attribute_found)
{
target_natf.subFields.Values.Add(row); //risky, assumes same indices of ATTL and ATVl in source and target
}
}
}
}
// FFPC update instruction Pointer Control Field
ffpc = fr.Fields.GetFieldByTag("FFPC");
if (ffpc != null && target_rver == rver - 1)
{
ffui = (RecordUpdate)ffpc.subFields.GetUInt32(0, "FFUI");
ffix = (int)ffpc.subFields.GetUInt32(0, "FFIX") - 1; //c sharp indices start at 0 while S57 indices start at 1
nfpt = (int)ffpc.subFields.GetUInt32(0, "NFPT"); //number of vector record pointers to patch
ffpt = fr.Fields.GetFieldByTag("FFPT");
target_ffpt = eFeatureRecords[updateNAMEkey].FeatureRecord.Fields.GetFieldByTag("FFPT");
var target = eFeatureRecords[updateNAMEkey];
if (ffui == RecordUpdate.Insert)
{
if (target_ffpt == null) //insert can also mean add to non-existing FFPT.
{
eFeatureRecords[updateNAMEkey].FeatureRecord.Fields.Add(ffpt);
}
else
{
for (int i = 0; i < nfpt; i++)
{
target_ffpt.subFields.Values.Insert(ffix + i, ffpt.subFields.Values[i]); //maybe risky, assumes same subfield order in source and target
}
}
}
else if (ffui == RecordUpdate.Delete)
{
for (int i = 0; i < nfpt; i++)
{
target_ffpt.subFields.Values.RemoveAt(ffix);
}
}
else if (ffui == RecordUpdate.Modify)
{
for (int i = 0; i < nfpt; i++)
{
target_ffpt.subFields.Values[ffix + i] = ffpt.subFields.Values[i]; //maybe risky, assumes same subfield order in source and target
}
}
}
// FSPC update instruction Pointer Control Field
fspc = fr.Fields.GetFieldByTag("FSPC");
if (fspc != null && target_rver == rver - 1)
{
fsui = (RecordUpdate)fspc.subFields.GetUInt32(0, "FSUI");
fsix = (int)fspc.subFields.GetUInt32(0, "FSIX") - 1; //c sharp indices start at 0 while S57 indices start at 1
nspt = (int)fspc.subFields.GetUInt32(0, "NSPT"); //number of vector record pointers to patch
fspt = fr.Fields.GetFieldByTag("FSPT");
target_fspt = eFeatureRecords[updateNAMEkey].FeatureRecord.Fields.GetFieldByTag("FSPT");
if (fsui == RecordUpdate.Insert)
{
if (target_fspt == null) //insert can also mean add to non-existing FSPT.
{
eFeatureRecords[updateNAMEkey].FeatureRecord.Fields.Add(fspt);
}
else
{
for (int i = 0; i < nspt; i++)
{
target_fspt.subFields.Values.Insert(fsix + i, fspt.subFields.Values[i]); //maybe risky, assumes same subfield order in source and target
}
}
}
else if (fsui == RecordUpdate.Delete)
{
for (int i = 0; i < nspt; i++)
{
target_fspt.subFields.Values.RemoveAt(fsix);
}
}
else if (fsui == RecordUpdate.Modify)
{
for (int i = 0; i < nspt; i++)
{
target_fspt.subFields.Values[fsix + i] = fspt.subFields.Values[i]; //maybe risky, assumes same subfield order in source and target
}
}
}
target_frid.subFields.Values[0][target_frid.subFields.TagIndex.IndexOf("RVER")].uintValue = rver;
}
}
}
}
