public IEnumerable <IdentifiedObject> Transform(CimContext context, IEnumerable <IdentifiedObject> input)
{
HashSet <PhysicalNetworkModel.IdentifiedObject> dropList = new HashSet <IdentifiedObject>();
List <PhysicalNetworkModel.IdentifiedObject> addList = new List <IdentifiedObject>();
foreach (var inputCimObject in input)
{
// Find connectivity nodes outside substations
if (inputCimObject is ConnectivityNode && !dropList.Contains(inputCimObject) && !inputCimObject.IsInsideSubstation(context))
{
ConnectivityNode cn = inputCimObject as ConnectivityNode;
// Handle that acls cn relationship might have changed
var cnNeighborsx = cn.GetNeighborConductingEquipments(context);
// If two acls and we are above low voltage, merge them
if (cnNeighborsx.Count(o => o.BaseVoltage > 5000) > 0)
{
// acls <-> acls
if (cnNeighborsx.Count(o => o is ACLineSegmentExt) == 2)
{
var acls = cnNeighborsx.Where(o => o is ACLineSegmentExt).ToList();
var acls1 = acls[0] as ACLineSegment;
var acls2 = acls[1] as ACLineSegment;
// NEVER MERGE
bool theSame = false;
// Compate bch
if (acls1.bch != null && acls2.bch != null && !CompareAclsValue(acls1.length.Value, acls1.bch.Value, acls2.length.Value, acls2.bch.Value))
{
theSame = false;
}
// Compate b0ch
if (acls1.b0ch != null && acls2.b0ch != null && !CompareAclsValue(acls1.length.Value, acls1.b0ch.Value, acls2.length.Value, acls2.b0ch.Value))
{
theSame = false;
}
// Compare gch
if (acls1.gch != null && acls2.gch != null && !CompareAclsValue(acls1.length.Value, acls1.gch.Value, acls2.length.Value, acls2.gch.Value))
{
theSame = false;
}
// Compare g0ch
if (acls1.g0ch != null && acls2.g0ch != null && !CompareAclsValue(acls1.length.Value, acls1.g0ch.Value, acls2.length.Value, acls2.g0ch.Value))
{
theSame = false;
}
// Compare r
if (acls1.r != null && acls2.r != null && !CompareAclsValue(acls1.length.Value, acls1.r.Value, acls2.length.Value, acls2.r.Value))
{
theSame = false;
}
// Compare r0
if (acls1.r0 != null && acls2.r0 != null && !CompareAclsValue(acls1.length.Value, acls1.r0.Value, acls2.length.Value, acls2.r0.Value))
{
theSame = false;
}
// Compare x
if (acls1.x != null && acls2.x != null && !CompareAclsValue(acls1.length.Value, acls1.x.Value, acls2.length.Value, acls2.x.Value))
{
theSame = false;
}
// Compare x0
if (acls1.x0 != null && acls2.x0 != null && !CompareAclsValue(acls1.length.Value, acls1.x0.Value, acls2.length.Value, acls2.x0.Value))
{
theSame = false;
}
// If the cables have the same eletrical charastica, merge them
if (theSame)
{
// ACLS 1 will survive, ACLS 2 and the CN will die
dropList.Add(cn);
dropList.Add(acls2);
// drop acls 2 terminals
foreach (var tc in context.GetConnections(acls2))
{
dropList.Add(tc.Terminal);
}
var loc1 = context.GetObject <LocationExt>(acls1.Location.@ref);
var loc2 = context.GetObject <LocationExt>(acls2.Location.@ref);
LineMerger lm = new LineMerger();
// Convert to NTS geometries
lm.Add(GetGeometry(loc1));
lm.Add(GetGeometry(loc2));
// Merge the two line strings
var mergedLineList = lm.GetMergedLineStrings();
if (mergedLineList.Count != 1)
{
throw new Exception("Cannot merge ACLS: " + acls1.mRID + " and " + acls2.mRID);
}
// Overwrite loc 1 coordinated with merged strings
loc1.coordinates = GetPoints((ILineString)mergedLineList[0]).ToArray();
// Sum length
acls1.length.Value += acls2.length.Value;
// Sum bch
if (acls1.bch != null && acls2.bch != null)
{
acls1.bch.Value += acls2.bch.Value;
}
// Sum b0ch
if (acls1.b0ch != null && acls2.b0ch != null)
{
acls1.b0ch.Value += acls2.b0ch.Value;
}
// Sum gch
if (acls1.gch != null && acls2.gch != null)
{
acls1.gch.Value += acls2.gch.Value;
}
// Sum g0ch
if (acls1.g0ch != null && acls2.g0ch != null)
{
acls1.g0ch.Value += acls2.g0ch.Value;
}
// Sum r
if (acls1.r != null && acls2.r != null)
{
acls1.r.Value += acls2.r.Value;
}
// Sum r0
if (acls1.r0 != null && acls2.r0 != null)
{
acls1.r0.Value += acls2.r0.Value;
}
// Sum x
if (acls1.x != null && acls2.x != null)
{
acls1.x.Value += acls2.x.Value;
}
// Sum x0
if (acls1.x0 != null && acls2.x0 != null)
{
acls1.x0.Value += acls2.x0.Value;
}
// Find cn in the other end of ACLS 2
var acls2otherEndCn = context.GetConnections(acls2).Find(o => o.ConnectivityNode != cn);
// Get terminal of ACLS 1 that point to ACLS 2
var acls1Terminal = acls1.GetTerminal(acls2, true, context);
// Disconnect ACLS 2 terminals
var acls2connections = context.GetConnections(acls2);
List <Terminal> terminalsToDisconnect = new List <Terminal>();
foreach (var acls2con in acls2connections)
{
terminalsToDisconnect.Add(acls2con.Terminal);
}
foreach (var t2d in terminalsToDisconnect)
{
context.DisconnectTerminalFromConnectitityNode(t2d);
}
// Change terminal of ACLS 1 to point to ACLS 2 other end CN
context.ConnectTerminalToAnotherConnectitityNode(acls1Terminal, acls2otherEndCn.ConnectivityNode);
}
else
{
// Cable are not the same, we need to add a susbstation to act as a junction
// Create muffe station
var st = new PhysicalNetworkModel.Substation();
st.mRID = Guid.NewGuid().ToString();
st.name = "Junction";
st.PSRType = "Junction";
addList.Add(st);
// Create voltage level
var vl = new PhysicalNetworkModel.VoltageLevel();
vl.mRID = Guid.NewGuid().ToString();
vl.BaseVoltage = acls1.BaseVoltage;
vl.name = "VL";
vl.EquipmentContainer1 = new VoltageLevelEquipmentContainer()
{
@ref = st.mRID
};
addList.Add(vl);
// Relate cn to voltage level
if (_mappingContext.ConnectivityNodeToVoltageLevel.ContainsKey(cn))
{
_mappingContext.ConnectivityNodeToVoltageLevel.Remove(cn);
}
_mappingContext.ConnectivityNodeToVoltageLevel.Add(cn, vl);
}
}
// <> 2 kabler
else
{
// Create muffe station
var st = new PhysicalNetworkModel.Substation();
st.mRID = Guid.NewGuid().ToString();
st.name = "MUFFE";
st.PSRType = "Junction";
addList.Add(st);
// Create voltage level
var vl = new PhysicalNetworkModel.VoltageLevel();
vl.mRID = Guid.NewGuid().ToString();
vl.BaseVoltage = cnNeighborsx[0].BaseVoltage;
vl.name = "VL";
vl.EquipmentContainer1 = new VoltageLevelEquipmentContainer()
{
@ref = st.mRID
};
addList.Add(vl);
// Relate cn to voltage level
if (_mappingContext.ConnectivityNodeToVoltageLevel.ContainsKey(cn))
{
_mappingContext.ConnectivityNodeToVoltageLevel.Remove(cn);
}
_mappingContext.ConnectivityNodeToVoltageLevel.Add(cn, vl);
}
}
}
}
// return objects, except the one dropped
foreach (var inputObj in input)
{
if (!dropList.Contains(inputObj))
{
yield return(inputObj);
}
}
// yield added objects,
foreach (var inputObj in addList)
{
yield return(inputObj);
}
}