C3D-SCALEREAD · Read annotation scale list (read-only) done

Enumerate current scales via ObjectContextManager to confirm API before replacing.

Script file

C3D-SCALEREAD.cs

Target

active document · model space

Author

claude

Approved

yes · claude (read-only)

Timeout

60s

C# payload

// READ-ONLY: enumerate the drawing's annotation scale list via the ObjectContextManager.
using System;
using Autodesk.AutoCAD.DatabaseServices;

var db = Db;
var ocm = db.ObjectContextManager;
var coll = ocm.GetContextCollection("ACDB_ANNOTATIONSCALES");
if (coll == null) { Log("no ACDB_ANNOTATIONSCALES collection"); return; }
Log("CURRENT SCALES:");
int n=0;
foreach (ObjectContext oc in coll)
{
    var sc = oc as Autodesk.AutoCAD.DatabaseServices.AnnotationScale;
    if (sc != null) Log($"  '{sc.Name}'  paper={sc.PaperUnits} drawing={sc.DrawingUnits} factor={sc.Scale}");
    else Log($"  '{oc.Name}'");
    n++;
}
Log($"total scales: {n}");
Log($"current CANNOSCALE: {db.Cannoscale?.Name}");

Result

Status

success

Drawing file

C:\Users\sanja\OneDrive\_SurveyDisco\260613 - 5030 E Lake Pkwy, Stockbridge, GA 30281, USA\SS_Outfall_260612_SHEET.dwg

Message

Executed C3D-SCALEREAD (0 entities touched).

Entities

—

Duration

323 ms

Civil 3D

25.0.0.0

Log

CURRENT SCALES:
  '1" = 1''  paper=1 drawing=1 factor=1
  '1:1'  paper=1 drawing=1 factor=1
  '1/128" = 1'-0"'  paper=0.0078125 drawing=12 factor=0.0006510416666666666
  '1/64" = 1'-0"'  paper=0.015625 drawing=12 factor=0.0013020833333333333
  '1/32" = 1'-0"'  paper=0.03125 drawing=12 factor=0.0026041666666666665
  '1/16" = 1'-0"'  paper=0.0625 drawing=12 factor=0.005208333333333333
  '3/32" = 1'-0"'  paper=0.09375 drawing=12 factor=0.0078125
  '1/8" = 1'-0"'  paper=0.125 drawing=12 factor=0.010416666666666666
  '3/16" = 1'-0"'  paper=0.1875 drawing=12 factor=0.015625
  '1/4" = 1'-0"'  paper=0.25 drawing=12 factor=0.020833333333333332
  '3/8" = 1'-0"'  paper=0.375 drawing=12 factor=0.03125
  '1/2" = 1'-0"'  paper=0.5 drawing=12 factor=0.041666666666666664
  '3/4" = 1'-0"'  paper=0.75 drawing=12 factor=0.0625
  '1" = 1'-0"'  paper=1 drawing=12 factor=0.08333333333333333
  '1-1/2" = 1'-0"'  paper=1.5 drawing=12 factor=0.125
  '3" = 1'-0"'  paper=3 drawing=12 factor=0.25
  '6" = 1'-0"'  paper=6 drawing=12 factor=0.5
  '1'-0" = 1'-0"'  paper=12 drawing=12 factor=1
total scales: 18
current CANNOSCALE: 1/4" = 1'-0"

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