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C3D-ESMTMAP · Map SS-ESMT-SSE20 to SEWER_EASEMENT done

Moves the 20ft sanitary sewer easement Site/ParcelSegment onto the HCWA SEWER_EASEMENT layer, and reports the final layer usage. Civil 3D parcel objects may be style-driven, so the script verifies whether the change stuck.

C# payload

// Map the remaining original layers onto their HCWA equivalents.
// SS-ESMT-SSE20 (20' sanitary sewer easement) -> SEWER_EASEMENT.
// NOTE: these are Civil 3D Site/ParcelSegment objects; their layer may be driven by the parcel
// style rather than the entity, so this reads back and reports whether the change actually stuck.
var bt = (BlockTable)Tx.GetObject(Db.BlockTableId, OpenMode.ForRead);
var ms = (BlockTableRecord)Tx.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForRead);
var lt = (LayerTable)Tx.GetObject(Db.LayerTableId, OpenMode.ForRead);
if (!lt.Has("SEWER_EASEMENT")) { Log("ABORT: SEWER_EASEMENT layer missing."); return; }

var targets = new List<ObjectId>();
foreach (ObjectId id in ms) {
    var e = Tx.GetObject(id, OpenMode.ForRead) as Autodesk.AutoCAD.DatabaseServices.Entity;
    if (e != null && e.Layer == "SS-ESMT-SSE20") targets.Add(id);
}
Log($"entities on SS-ESMT-SSE20: {targets.Count}");

int ok = 0, stuck = 0;
foreach (var id in targets) {
    var e = (Autodesk.AutoCAD.DatabaseServices.Entity)Tx.GetObject(id, OpenMode.ForWrite);
    string type = e.GetType().Name, from = e.Layer;
    try { e.Layer = "SEWER_EASEMENT"; }
    catch (System.Exception ex) { Log($"   {type}: set failed - {ex.Message}"); stuck++; continue; }
    var chk = (Autodesk.AutoCAD.DatabaseServices.Entity)Tx.GetObject(id, OpenMode.ForRead);
    if (chk.Layer == "SEWER_EASEMENT") { Log($"   {type}: '{from}' -> 'SEWER_EASEMENT' (verified)"); ok++; }
    else { Log($"   {type}: did NOT stick, still on '{chk.Layer}' (style-driven)"); stuck++; }
}
Log($"moved: {ok}, would not move: {stuck}");

// report the final state of every layer still holding geometry
Log("--- layers still in use ---");
var tally = new Dictionary<string,int>();
foreach (ObjectId id in ms) {
    var e = Tx.GetObject(id, OpenMode.ForRead) as Autodesk.AutoCAD.DatabaseServices.Entity;
    if (e == null) continue;
    tally[e.Layer] = tally.TryGetValue(e.Layer, out var n) ? n+1 : 1;
}
foreach (var kv in tally.OrderBy(k => k.Key)) Log($"   {kv.Key,-28} {kv.Value}");

Result

entities on SS-ESMT-SSE20: 2
   Site: 'SS-ESMT-SSE20' -> 'SEWER_EASEMENT' (verified)
   ParcelSegment: 'SS-ESMT-SSE20' -> 'SEWER_EASEMENT' (verified)
moved: 2, would not move: 0
--- layers still in use ---
   0                            85
   FIRE_HYDRANT                 2
   FIRE_HYDRANT_TEXT            3
   FIRE_HYDRANT_VALVE           2
   PDF_IMPORT_ASBUILT           1
   ROAD_EDGE_OF_PAVEMENT        1
   ROAD_TEXT                    1
   SEWER_EASEMENT               3
   SEWER_EASEMENT_TEXT          1
   SEWER_LINE                   12
   SEWER_LINE_TEXT              7
   SEWER_MANHOLE                10
   SEWER_MANHOLE_TEXT           20
   SS-FRZ                       58
   SS-GREASE                    4
   SS-V-ROAD-CURB               6
   V-GREASE                     8
   V-STRM-STRC                  9
   V-STRM-TEXT                  20
   V-WATR-STRC                  1
   WATER_END_CAP                1
   WATER_LINE                   4
   WATER_LINE_TEXT              11
   WATER_SERVICE                6
   WATER_VALVE                  1
   WATER_VALVE_TEXT             5
   WATER_VAULT                  2
   WATER_VAULT_TEXT             4