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C3D-INSP619C · Layers matching PARCEL/PROP (read-only) done

List any layer with PARCEL/PROP in the name + the layer the Civil parcels sit on.

C# payload

// READ-ONLY: is there a layer named/containing "PARCEL"? list all layers matching, with flags,
// and what the Civil parcels actually sit on.
using System;
using System.Linq;
using System.Collections.Generic;
using Autodesk.AutoCAD.DatabaseServices;
using Autodesk.Civil.ApplicationServices;
using Autodesk.Civil.DatabaseServices;

var db = Db;
using (var tr = db.TransactionManager.StartTransaction())
{
    var lt = (LayerTable)tr.GetObject(db.LayerTableId, OpenMode.ForRead);
    var hits = new List<string>();
    foreach (ObjectId id in lt)
    {
        var l = (LayerTableRecord)tr.GetObject(id, OpenMode.ForRead);
        if (l.Name.IndexOf("PARCEL", StringComparison.OrdinalIgnoreCase) >= 0
         || l.Name.IndexOf("PROP", StringComparison.OrdinalIgnoreCase) >= 0)
            hits.Add($"{l.Name}  off={l.IsOff} frozen={l.IsFrozen} plot={l.IsPlottable} color={l.Color.ColorIndex}");
    }
    Log($"LAYERS matching PARCEL/PROP ({hits.Count}):");
    foreach (var h in hits.OrderBy(x=>x)) Log($"  {h}");
    tr.Commit();
}
using (var tr = db.TransactionManager.StartTransaction())
{
    var cdoc = CivilDocument.GetCivilDocument(db);
    foreach (ObjectId sid in cdoc.GetSiteIds())
    {
        var site = (Site)tr.GetObject(sid, OpenMode.ForRead);
        foreach (ObjectId pid in site.GetParcelIds())
        {
            var p = (Parcel)tr.GetObject(pid, OpenMode.ForRead);
            Log($"PARCEL #{p.Number} '{p.Name}' {p.Area/43560.0:0.000}ac  layer='{p.Layer}'");
        }
    }
    tr.Commit();
}

Result

LAYERS matching PARCEL/PROP (18):
  A-PROP-LINE  off=False frozen=False plot=True color=7
  C-PROP  off=False frozen=False plot=True color=7
  C-PROP-BNDY  off=False frozen=False plot=True color=150
  C-PROP-BRNG  off=False frozen=False plot=True color=92
  C-PROP-LINE  off=False frozen=False plot=True color=230
  C-PROP-LINE-TEXT  off=False frozen=False plot=True color=2
  C-PROP-LOTS  off=False frozen=False plot=True color=6
  C-PROP-PARCEL  off=False frozen=False plot=True color=4
  C-PROP-PATT  off=False frozen=False plot=True color=150
  C-PROP-RSRV  off=False frozen=False plot=True color=94
  C-PROP-TEXT  off=False frozen=False plot=True color=92
  C-ROAD-PROF-PROP  off=False frozen=False plot=True color=150
  PARCEL  off=False frozen=False plot=True color=7
  PROPERTY LINES  off=False frozen=False plot=True color=5
  SS-OUTSITEPROP  off=False frozen=False plot=True color=210
  SS-PROPOSED  off=False frozen=False plot=True color=10
  SS-PROPOSED-DRIVE  off=False frozen=False plot=True color=7
  X-PROP-CRNR  off=False frozen=False plot=True color=21
PARCEL #5 'TRACT B' 3.314ac  layer='C-PROP'
PARCEL #6 'TRACT A' 0.994ac  layer='C-PROP'