forked from 1b-agent/opencadstudio-upstream
44 lines
1.5 KiB
Rust
44 lines
1.5 KiB
Rust
//! Example 1 — Create solid primitives and query their geometry.
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//!
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//! Run: `cargo run --example e1_primitives_and_queries --features host`
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//!
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//! Shows: `doc.solids().create_*` for the supported primitives, and the read
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//! queries `bounds()` / `volume()` / `centroid()` on a `Solid`.
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mod common;
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use ocs_doc_api::DocApi;
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fn main() -> ocs_doc_api::ApiResult<()> {
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// In-process document over the mock backend (no host binary needed).
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let api = DocApi::in_process(common::MockBackend::default(), 0);
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let doc = api.document(api.active_tab());
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// The supported solid primitives.
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let block = doc.solids().create_cuboid([0.0, 0.0, 0.0], [10.0, 10.0, 10.0])?;
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let ball = doc.solids().create_sphere([5.0, 5.0, 5.0], 6.0)?;
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let cyl = doc.solids().create_cylinder([0.0, 0.0, 0.0], 4.0, 12.0)?;
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// Geometric queries are entity methods — one host call each.
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let bb = block.bounds()?;
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let vol = ball.volume()?;
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let cg = cyl.centroid()?;
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println!("cuboid bounds : {bb:?}");
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println!("sphere volume : {vol:.2} (analytic ~904.78)");
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println!("cylinder centroid: {cg:?}");
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// Read-only batching: same queries, ONE round-trip.
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let res = doc.query_batch(|q| {
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q.bounds(&block);
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q.volume(&ball);
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q.centroid(&cyl);
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})?;
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let (bb2, vol2, cg2) = (res.bounds(0)?, res.volume(1)?, res.centroid(2)?);
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assert_eq!(bb, bb2);
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assert!((vol - vol2).abs() < 1e-9);
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assert_eq!(cg, cg2);
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println!("query_batch matches the per-call results");
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Ok(())
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}
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