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Curb Radii

Curb return radius call-outs on plain polylines and arcs (curbs that are not feature lines): one R=25.00' per arc at the arc midpoint, pushed outward so it clears the curb. Plain AutoCAD throughout, the vanilla seats get it too.

Command VDCCURBRADII · VDC Lots tab › Labels panel
Curb return radius call-outs on plain polylines and arcs (curbs that are not feature lines): one R=25.00' per arc at the arc midpoint, pushed outward so it clears the curb. Plain AutoCAD throughout, the vanilla seats get it too.
Pick the curb linework → every arc segment gets R= at its midpoint, offset outward; re-pick replaces, Clear removes. R=60.00' R=60.00' arc from bulge (polyline) or Arc entity; label at midpoint + outward offset (plotted in); XData: kind R + curb handle + anchor XY; height / offset through CANNOSCALE at placement.
Curb linework (polyline / arc)   Radius label at the arc midpoint   Other linework, untouched

What it does

  • Pick curb polylines and arcs after the dialog; every arc segment (polyline bulge or Arc) is labeled once.
  • Label: MText R=25.00', prefix, suffix and decimals from the dialog, at the arc midpoint pushed outward (away from the center) by the plotted offset.
  • Sizing: plotted height (0.10") and offset (0.15") converted through the current annotation scale at placement.
  • Stamped per curb: XData VDC_CURBRADII carries the curb's handle, so re-picking the same curbs replaces exactly their labels and other curbs keep theirs.
  • A minimum radius skips tiny fillets; the summary counts labeled / skipped / replaced.

Modes & settings

  • Run: dialog, then select linework, Enter. Clear: erases every label the tool placed.
  • Layer C-ANNO-RADI (auto-created), text style blank = current.
  • Plain text, not live, re-pick a curb after editing it. Feature-line curve radii are labeled live by VDCFLLABEL's Label curve radii option.
  • Plain AutoCAD: no Civil 3D API anywhere, registered in VDC.Acad.bundle for the landscape seats.
  • Settings %APPDATA%\VDC\LabelFeatureLines\curbradii.json (env VDC_CURBRADII_SETTINGS), schema-tolerant.

Dialog

Curb Radii dialog
Curb Radii, VDCCURBRADII

When to use it

  • Site plans and grading plans that call out every curb return radius.
  • After curb geometry changes - re-pick the edited curbs and the labels refresh.

How to run it

  1. Run VDCCURBRADII - the dialog opens with the mode (Run / Clear) and the text and placement options.
  2. OK, then select the curb polylines / arcs and press Enter.
  3. Read the summary: arcs labeled, arcs skipped under the minimum radius, previous labels replaced.
  4. Clear mode erases every radius label the tool placed in the drawing.

Options

  • Label text: prefix (default R=), suffix (default the foot mark), decimals (default 2), and a minimum radius under which arcs are skipped (0 = label all).
  • Placement: plotted text height (0.10 in) and outward offset (0.15 in), both converted through the current annotation scale; label layer (C-ANNO-RADI, auto-created) and text style.

Watch out for

  • Text is sized at placement - re-run after changing the annotation scale.
  • Only polylines and arcs are picked; a feature line is labeled by VDCFLLABEL's curve radius option instead.
  • Labels are plain text, not live: an edited radius needs a re-pick of that curb.

Related: Label Feature Lines · Keynotes