Site And Parcel Primitives

Site and parcel primitives are the root of a site-aware ArchAI project.

Source Grouping

site main:
  parcels:
    parcel pcl_001:
      coordinate_system project_mm

      boundary:
        edge front: (0, 0) -> (42000, 0) tags [frontage]
        edge east:  (42000, 0) -> (39000, 28000)
        edge rear:  (39000, 28000) -> (4000, 31000)
        edge west:  (4000, 31000) -> (0, 0)

      easements:
        utility_01:
          type utility_corridor
          width 3000mm

Paths

Primitive	Path
Site	`site.main`
Parcel	`site.main.parcels.pcl_001`
Boundary	`site.main.parcels.pcl_001.boundary`
Boundary edge	`site.main.parcels.pcl_001.boundary.edges.front`
Frontage edge	`site.main.parcels.pcl_001.boundary.edges.front.tags`
Access point	`site.main.parcels.pcl_001.access.points.entry_01`
Easement	`site.main.parcels.pcl_001.easements.utility_01`
Neighbor	`site.main.parcels.pcl_001.neighbors.pcl_002`

Required Fields

`site`

Field	Required	Notes
`id`	yes	Stable handle such as `main`
`coordinate_system`	recommended	Defaults to project coordinate system
`parcels`	yes for land work	Parcel collection
`terrain`	optional	Terrain collection
`infrastructure`	optional	Roads, paths, utilities

`parcel`

Field	Required	Notes
`id`	yes	Stable handle such as `pcl_001`
`boundary`	yes	Closed loop of edges
`coordinate_system`	inherited	May override site coordinate system
`constraints`	optional	Setbacks, zoning, coverage, FAR
`easements`	optional	Legal/access/utility restrictions
`access`	optional	Access edges and points

Operations

Operation	Purpose
`createSite`	Create a site root
`importSurvey`	Import survey or cadastral data
`plotParcel`	Create a parcel from boundary geometry
`editParcelBoundary`	Move, add, remove, or reorder edges
`classifyParcelEdge`	Mark front, side, rear, frontage, access, shared boundary
`addNeighborParcel`	Add topological adjacency
`addEasement`	Add a no-build or restricted-use condition
`addSiteAccess`	Add access edge or point

Evals

Eval	Typical target
`parcel.boundary_closed`	`site.main.parcels.pcl_001.boundary`
`parcel.no_self_intersection`	`site.main.parcels.pcl_001.boundary`
`parcel.edge_classification_complete`	`site.main.parcels.pcl_001.boundary.edges`
`parcel.frontage_required`	`site.main.parcels.pcl_001.boundary.edges`
`parcel.easement_respected`	`site.main.parcels.pcl_001.easements`
`site.access_feasible`	`site.main.parcels.pcl_001.access`