Peel a wall, take the roof off, or cut a cross-section through the editable 3D building model — and light it to match when the call came in.
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What this does not do
the model is built from a public building footprint or from what a person drew — it is not a survey, and it does not carry engineering or structural meaning. Pre-planning and training only.
The 3D building in an incident isn't a flat box standing in for the structure — it's a real, editable model with storeys, a roof shape, and windows and doors on every wall. Set it up once and use it to show a crew what was above or behind them.
Where the model comes from
The app builds the model from the public building footprint at the incident address when one is available, falling back to the perimeter you traced on the floor plan when it isn't. If you built the structure in the scene editor and attached it, that geometry — rooms, names, and all — takes its place instead. See Attach a scene to a drill. When neither source has a roof shape to go on, the model defaults to a gable roof.
The Building group
Open the Scene chip in the top-left of the 3D view. Its panel leads with the Building group, which edits the model directly:
A stories stepper for how many floors it has.
A Roof shape row — Gable, Hip, Flat, or Shed.
A wall picker with a compact Window / Door list per wall, so you add or remove openings where they actually are.
Curated color swatches for siding, roof, and trim.
Reset building, which clears this incident's edits and returns to the saved geometry for the address — edits already saved for reuse at that address are kept.
A line under the controls names where the model came from — "Seeded from map data" or "Seeded from an attached scene," for instance, and "Custom edits saved to this incident" once you've made any.
Opening it up
The Structure group is where you take the building apart:
Click a wall in the scene to peel it away; click it again to restore it. Restore walls puts everything back at once.
Roof off lifts the roof so you can look straight down into the top floor.
Half height is the classic dollhouse: it clips the walls at half their height and takes the roof off in the same gesture, so you look straight down into the plan.
Cross-section slides an adjustable H or V plane through the model, so you can slice through at any point instead of only from the top or one side.
All four apply to the model only — the photoreal imagery around it can't be cut.
Time of day and weather
Time of day lights the model to match when the call came in: a 2 AM call renders at night; a call with no timestamp defaults to daylight. Drag the slider to preview another hour, or click Reset to incident time to go back.
Weather is derived from the incident's own data only — season or time of day alone never invents rain or snow — and defaults to clear. Override it with the Weather row, or click Reset to incident conditions. Weather freezes in place when replay is paused, and settles to a still frame under reduced motion.
Photoreal, model, or both
The Building display control picks what you're looking at: 3D imagery shows the best available photoreal layer, Building model forces the editable model on screen, and Both composes the model inside the photoreal scene — useful when the surrounding blocks matter but the building itself still needs to peel and cut.
Who can edit it
Anyone, including a viewer, can peel walls, cut a cross-section, and change the time or weather — none of it touches the saved model. Editing the Building group itself — stories, roof shape, openings, colors — needs member access or higher; a viewer sees the same controls marked read-only.