TerraCity

The spacetime layer for city operations.

TerraCity turns high-resolution imagery, reality meshes, elevation models, city records, market evidence, and future sensor streams into a living operational model of the built environment.

Observe Understand Predict Act

Collapse the time between measurement and action.

Spacetime Model

The where includes time.

Every object, source, record, change, prediction, and action needs a place in space, a place in time, and visible lineage.

Physical state
Imagery, mesh, elevation, geometry, condition, confidence.
Temporal state
Capture date, change history, update cadence, forecast window.
Operational state
Record match, discrepancy, uncertainty, owner, next action.

City Fact

One city fact becomes action.

A roof surface appears in the newest capture. TerraCity does not stop at detection. It places the change in spacetime, links it to parcel history, estimates review priority, and routes an evidence packet.

01 Reality

New roof surface measured with imagery, mesh, elevation, and capture date.

02 Knowledge

Parcel, building, permits, declared area, owner, and prior captures linked.

03 Prediction

Review priority scored from discrepancy, confidence, comparables, and appeal risk.

04 Action

High-confidence cases become evidence packets; uncertain cases go to field check.

Observed
new roof surface
Where
parcel, building, capture date
Record
declared area, permits, history
Route
review packet or field check

City Reality Layer

A measured baseline that remembers time.

Start with the physical city: buildings, roofs, roads, sidewalks, trees, public space, terrain, utilities, access, and visible infrastructure. Then keep the source, date, lineage, and change history attached.

Imagery Mesh Objects Events

Knowledge

Model the city as objects, events, and relationships.

TerraCity turns the physical surface into a city object graph with geometry, attributes, relationships, confidence, lineage, and change history.

Geometry
footprint, roof plane, height, volume, surface, boundary.
Time
capture date, change event, update cadence, forecast window.
Records
parcel, permit, declared area, assessment, listing, sale.

Fiscal Intelligence

Property assessment from observed spacetime.

Compare observed physical reality through time against declared records, assessments, permits, transactions, listings, and neighborhood context to identify review candidates.

Observation
source stack, capture date, geometry, confidence.
Record
declared area, permit history, assessment, owner notice.
Delta
measured mismatch, comparable evidence, review priority.
Action
approve, field check, notify, update, appeal packet.

Operations

One living layer, many city workflows.

Planning, public works, cadastre, assessment, finance, security, defense civil, mobility, utilities, environment, infrastructure, maintenance, and emergency response use the same spatiotemporal evidence base.

Measured Inventory

What the living layer should remember.

Not every signal becomes an action. The product earns trust by measuring what can be observed, attaching evidence, and routing uncertainty to review.

Built form

Buildings, floors, roofs, additions, pools, garages, sheds.

Public realm

Sidewalks, curbs, pavement, surface condition, encroachment.

Environment

Trees, canopy, vegetation, water, impervious surfaces, drainage risk.

Fiscal layer

Declared area, taxable base, assessment signals, permit mismatch.

Operations

Access constraints, critical visible infrastructure, maintenance candidates.

Lineage

Source, date, geometry, confidence, prediction, and review state.

Evidence And Confidence

Every action needs evidence.

A city will not act on a black box. TerraCity preserves the source, date, geometry, confidence, and lineage behind every object, measurement, discrepancy, prediction, and valuation signal.

01

Observe

Register imagery, orthos, elevation, point clouds, meshes, records, and market sources.

02

Understand

Turn observations into city objects, relationships, records, events, and context.

03

Predict

Estimate risk, discrepancy, valuation, degradation, and review priority with evidence intact.

04

Act

Send high-confidence cases to action and uncertain cases to review with their evidence intact.

Scale

Built for city-scale spacetime data.

TerraCity is designed for full-city imagery, elevation, mesh, vector, record, market, and sensor inputs. Start with one city, normalize the spatiotemporal workflow, and repeat across regions and countries.

Aerial imagery Reality mesh Municipal records Market evidence Sensor streams GIS and hubs Field operations

TerraCity

Build the living operational twin of the city.

A measured, current, evidence-backed model of physical reality so teams can understand what exists, what changed, what it means fiscally and operationally, where risk is accumulating in space and time, and what action should follow.

Partner with Spatioterra