Preserve linked sketch identities through deterministic face projection and resizing. Fix origin-corner picking, persistent inline navigation, appearance editing, configuration styles, component properties, contact sweeps, sheet exports, analytic STEP offsets, and bounded rolling-ball fit accuracy. Validated with full cargo xtask ci, native workflow screenshots, repeated enclosure replays, and analytic geometry regressions.
34 lines
2.0 KiB
Markdown
34 lines
2.0 KiB
Markdown
# Assembly physical properties
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The Browser's component **Properties** action measures the selected assembly placement,
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including its nested components. Select the root design to measure every instance in the
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assembly. The window shows material-aware mass, volume, surface area, center of mass and
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the world bounding box. Pending occurrence moves are included without capturing them.
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The same measurements are available through commands:
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```json
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{"command":"component.properties","params":{"component":"Bracket"}}
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{"command":"component.properties","params":{"component":"root"}}
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{"command":"component.properties","params":{"component":"Subassembly","descendants":false}}
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{"command":"occurrence.properties","params":{"occurrence":"Bracket:2"}}
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```
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`component.properties` defaults to the active component and measures its first placement.
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`occurrence.properties` measures the chosen instance. A nested occurrence can appear beneath
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several instances of its parent; supply `path` (the complete list of occurrence ids from the
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root) to choose one of those placements. An ambiguous occurrence without a path returns an
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error. Both commands accept `descendants: false` to measure only directly owned bodies.
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Results contain a `bodies` list and a `total` object. Each body's entry identifies the original
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body name, owning component and occurrence path. Physical material density is resolved from
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that original body, so copies keep their material and mass. Values use millimetres, square
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millimetres, cubic millimetres and grams; coordinates use the world frame.
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Mass and center of mass account for each body's density. Volume and area are summed over
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placed bodies, including overlapping bodies and repeated instances. Measurements use the
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kernel's tessellation-based body measurement. An empty component reports zero totals and
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null center of mass and bounding box. A failed body measurement returns an error instead of
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presenting an incomplete assembly total. These commands leave geometry, pending placements
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and undo history unchanged.
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