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Designate Lot Fronts

Designates each parcel's front edge once and stamps it on the parcel (readable through xrefs), so every VDC lot tool skips its per-lot "click the front edge" prompt on a whole plat.

Command VDCLOTFRONT · VDC Lots tab › Lots panel
Designates each parcel's front edge once and stamps it on the parcel (readable through xrefs), so every VDC lot tool skips its per-lot "click the front edge" prompt on a whole plat.
Stamp each front edge once, grading, staking, QC & tables read it pick-free. ROW parcel / road frontage LOT 14 front → lot LOT 15 LOT 16 STALE STAMP midpoint off boundary (> 0.5 ft) → falls back to prompt LOT 17 Xrecord VDC_LOTFRONT stores front midpoint (source coords)
Parcel boundary   Designated front edge + into-lot arrow   Stale stamp (re-designate)   Stamp VDC_LOTFRONT   ROW frontage

What it does

  • Stamps the front once: stores the front segment's midpoint in source-drawing coordinates on the parcel; consumers match it back to the live boundary with the same closest-segment logic as a manual pick.
  • Host parcels: Xrecord VDC_LOTFRONT on the parcel's extension dictionary, xref-readable, so one designation in the base DWG reaches every consuming drawing.
  • Xref'd parcels: a per-drawing override in the host's named-objects dictionary, keyed {xref-name}|{parcel-handle}, outranking the parcel's own stamp.
  • Stale detection: if a re-laid-out parcel's midpoint no longer lands on a boundary segment (0.5 ft tol.), the stamp is reported stale and the consuming tool falls back to its normal prompt, never a silently wrong topology.
  • Consumers (VDCGRADELOTS, VDCSERVICELOTS, VDCSTAKELOTS, VDCLOTQC, VDCLOTTABLE) resolve: stamp → own ROW auto-detect → manual pick.

Modes & layers

  • Designate (default): multi-pick parcels (window selection + xref-nested loop), click each front edge; per-lot Auto / Skip keywords; replaces existing stamps.
  • Auto: multi-pick parcels; front edges auto-detected by ROW-parcel adjacency (same heuristic as VDCGRADELOTS' auto mode); unmatched lots reported for manual designation.
  • Review: transient green arrows (segment overlay + into-lot arrow) on every stamped parcel + stale-stamp report; ENTER clears the markers, nothing is saved.
  • Clear: multi-pick parcels, remove their designations.
  • No settings file: designations are drawing data that travel with the project (consultant hand-offs included), no settings.json, no env var.

Dialog

Designate Lot Fronts dialog
Designate Lot Fronts, VDCLOTFRONT

When to use it

  • Run once per subdivision before grading, staking, or QC so the lot tools know the road frontage.
  • Re-run after re-platting or moving lot lines so stale designations are refreshed.

How to run it

  1. Run VDCLOTFRONT and pick the mode in the dialog: Designate, Auto, Frontage, Review, or Clear.
  2. Select the lots (see Selecting Parcels).
  3. For Frontage, pick the road alignment (or type Polyline to pick a polyline/line); each lot's front is set to the edge closest and most parallel to it.
  4. Confirm the green front-edge arrows, then press Enter to clear them.

Options

  • Designate: click each lot's front edge (per-lot Auto / Skip / Back / Quit options at the prompt - Back redoes the previous lot, Quit ends the batch keeping what's done).
  • Auto: front edges detected automatically by adjacency to ROW parcels.
  • Frontage: batch a whole street - pick the road alignment (or polyline) and every facing lot is stamped at once.
  • Review: draw green arrows on every stamped lot and flag stale stamps.
  • Clear: remove designations from the selected lots.

Watch out for

  • Frontage and Auto report lots they could not match - designate those manually.
  • An xref lot stamped in its source drawing must be cleared in that drawing; locally you can only override it.
  • If lot geometry changes after stamping, Review marks the stamp stale - re-designate.

Related: Selecting Parcels · Auto-Grade Lots · Lot QC · Stake Lots