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C3D-INSP2403H · Find 1.6ac corner monuments from points (read-only) done

Dump corner-like CogoPoints (IPF/IPS/rebar/etc) with number+desc+coords, plus existing 1.22 hero endpoints. To trace the 1.6 lot outline from surveyed points, not guess it.

C# payload

// READ-ONLY: find the 1.6 AC lot's corner monuments from the survey points.
// Dump CogoPoints whose RawDescription looks like a boundary corner (IPF/IPS/IPP/IRF/RBF/CORNER/PK/MAG/
// 1/2"/5/8"/REBAR) with PointNumber, RawDescription, X, Y. Also dump the existing heroed outline
// (SS-BOUNDARY_CYAN, = the 1.22 lot) endpoints again for spatial reference. No writes.
using System;
using System.Linq;
using System.Collections.Generic;
using Autodesk.AutoCAD.ApplicationServices;
using Autodesk.AutoCAD.DatabaseServices;
using Autodesk.Civil.ApplicationServices;
using Autodesk.Civil.DatabaseServices;

var db = Db;
var cdoc = CivilDocument.GetCivilDocument(db);

string[] tokens = { "IPF","IPS","IPP","IRF","IRS","RBF","RBS","CORNER","CORN","PK","MAG","REBAR","PIN","1/2","5/8","3/8","CP","POB","POINT OF" };

using (var tr = db.TransactionManager.StartTransaction())
{
    var matches = new List<(int num,string desc,double x,double y)>();
    foreach (ObjectId id in cdoc.CogoPoints)
    {
        var cp = tr.GetObject(id, OpenMode.ForRead) as CogoPoint;
        if (cp == null) continue;
        string raw = (cp.RawDescription ?? "").ToUpperInvariant();
        if (string.IsNullOrWhiteSpace(raw)) continue;
        if (tokens.Any(t => raw.Contains(t)))
            matches.Add(((int)cp.PointNumber, cp.RawDescription, cp.Easting, cp.Northing));
    }
    Log($"CORNER-LIKE MONUMENTS ({matches.Count}):");
    foreach (var m in matches.OrderBy(m=>m.num))
        Log($"  #{m.num}  ({m.x:0.00},{m.y:0.00})  '{m.desc}'");
    tr.Commit();
}

// existing 1.22 hero outline for reference
using (var tr = db.TransactionManager.StartTransaction())
{
    var ms = (BlockTableRecord)tr.GetObject(SymbolUtilityServices.GetBlockModelSpaceId(db), OpenMode.ForRead);
    Log("EXISTING 1.22 HERO (SS-BOUNDARY_CYAN) corner points:");
    foreach (ObjectId id in ms)
    {
        var e = tr.GetObject(id, OpenMode.ForRead) as Autodesk.AutoCAD.DatabaseServices.Entity;
        if (e is Line ln && string.Equals(e.Layer,"SS-BOUNDARY_CYAN",StringComparison.OrdinalIgnoreCase))
            Log($"  ({ln.StartPoint.X:0.0},{ln.StartPoint.Y:0.0})->({ln.EndPoint.X:0.0},{ln.EndPoint.Y:0.0})");
    }
    tr.Commit();
}

Result

CORNER-LIKE MONUMENTS (22):
  #75  (2359559.00,1425603.17)  'IPS'
  #76  (2359457.38,1425520.95)  'IPS'
  #100  (2359298.00,1425651.86)  'IPF 1\2 RBF DISTR'
  #127  (2359422.67,1425793.21)  '12 RCP INV'
  #128  (2359402.86,1425780.51)  '12 RCP INV'
  #151  (2359529.78,1425461.48)  'IPF 1 IN OTP'
  #155  (2359701.51,1425321.16)  'IPF 1\2 RBF'
  #162  (2359674.71,1424961.99)  'IPF 1\2 RBF'
  #164  (2359664.28,1424958.43)  'IPF 1\2 RBF'
  #192  (2359521.96,1425484.05)  '10 MAG'
  #193  (2359511.26,1425490.92)  '10 MAG'
  #194  (2359504.93,1425502.08)  '10 MAG'
  #470  (2359714.63,1425514.65)  '12RCP INV'
  #681  (2359776.46,1425750.23)  'IPF 1\2 RBF'
  #7065  (2359700.07,1425320.87)  'IPF'
  #7067  (2360253.08,1425154.73)  'IPF'
  #9068  (2359776.34,1425749.60)  'IPF 1\2 RBF'
  #9069  (2359734.36,1425737.01)  'IPF 1\2 RBF'
  #9070  (2359682.30,1425777.54)  'IPF'
  #9071  (2359598.24,1425793.50)  'IPF'
  #9072  (2359542.92,1425805.75)  'IPF'
  #9073  (2359375.27,1425745.94)  'IPF'
EXISTING 1.22 HERO (SS-BOUNDARY_CYAN) corner points:
  (2359457.4,1425521.0)->(2359298.0,1425651.9)
  (2359542.9,1425805.8)->(2359598.2,1425793.5)
  (2359298.0,1425651.9)->(2359375.3,1425745.9)
  (2359598.2,1425793.5)->(2359559.0,1425603.2)
  (2359559.0,1425603.2)->(2359457.4,1425521.0)