Interface ExplorerPanelParams

Auto-expand the tree to this depth on first render. Defaults to 2 — enough to show the model + its top-level spatial structure without overwhelming for big datasets.

Optional camera-flight animator. Wired to the per-row Frame button — clicking it jumps the camera to the union AABB of the matching ViewObjects. When omitted, the Frame button still fires its event (hosts can subscribe directly via TreeViewEvents.onNodeFrameClicked) but the panel no-ops on its own.

DOM container; defaults to document.body.

Semantic Data graph to navigate. Doubles as the WeakMap key for ExplorerPanel.openFor idempotence — one Explorer per Data.

Aggregation relationship type to traverse when building the tree. Defaults to a single type detected from the Data's existing relationships — we count how many relationships of each type the loaded models hold and pick the most common, with a preference for the well-known aggregation types when present (IfcRelAggregates for IFC, BasicAggregation for dotBIM).

The TreeView is given a single string rather than a multi-type array on purpose: when a model carries both an aggregation and a containment relationship between the same pair (e.g. an IFC IfcRelAggregates plus an IfcRelContainedInSpatialStructure to the same target), a multi-type traversal accumulates the child once per matched type, producing duplicate nodes. One type at a time avoids that.

Pass an explicit value to override the auto-pick.

localStorage key for persisting drag position + closed state. Defaults to "xkt-explorer-panel".

View whose ViewObjects the tree's checkboxes drive (visibility / x-ray). The TreeView walks view.viewer for object lookups.

Show on construction (default true).