experiment(layout): keep cyclic quotient groups compact in condensation order
This commit is contained in:
@@ -7,6 +7,8 @@ use serde_json::{Value, json};
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use std::collections::{BTreeMap, BTreeSet};
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#[path = "auto_layout_probe/clearance.rs"]
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mod clearance;
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#[path = "auto_layout_probe/condensed.rs"]
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mod condensed;
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#[path = "auto_layout_probe/layered.rs"]
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mod layered;
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@@ -1092,6 +1094,61 @@ fn repair_placement_cli(project_file: &std::path::Path, diagram_text: &std::ffi:
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);
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}
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fn scc_observe(name: &str, f: Builder) -> Value {
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let before = f.project;
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let diagram = f.diagram;
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validate_candidate(&before).expect("Validate SCC input");
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let candidate = match condensed::candidate_with_diagnostics(&before, diagram) {
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Err(error) => json!({"supported":false,"error":error.to_string()}),
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Ok((after, plan)) => {
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let same = condensed::candidate(&before, diagram);
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let mut repeated = after.clone();
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let mut stability = Vec::new();
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for pass in 2..=10 {
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match condensed::candidate(&repeated, diagram) {
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Ok(next) => {
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stability.push(json!({"pass":pass,"equal_previous":next==repeated,"equal_first":next==after}));
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repeated = next;
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}
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Err(error) => {
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stability.push(json!({"pass":pass,"error":error.to_string()}));
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break;
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}
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}
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}
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json!({"supported":true,"project":after,"plan":plan,"metrics":metrics(&after,diagram),
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"lead_incompatibilities":lead_diagnostics(&after,diagram),
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"conservation":conservation(&before,&after,diagram),"roundtrip":roundtrip(&after),
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"same_input_exact":same.as_ref().is_ok_and(|p|*p==after),"ten_candidate_calls":stability})
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}
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};
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json!({"fixture":name,"diagram":diagram,"before_project":before,
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"before":metrics(&before,diagram),"candidate":candidate})
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}
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fn scc_placement_cli(project_file: &std::path::Path, diagram_text: &std::ffi::OsStr) {
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let project: Project =
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serde_json::from_slice(&std::fs::read(project_file).expect("Read Project"))
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.expect("Decode Project");
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let diagram: Id = diagram_text
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.to_str()
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.expect("UTF-8 UUID")
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.parse()
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.expect("Diagram UUID");
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println!(
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"{}",
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scc_observe(
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"external_case",
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Builder {
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project,
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diagram,
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next: 0,
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witness: None
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}
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)
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);
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}
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fn arrange_corpus(path: &std::path::Path) {
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let manifest: Value = serde_json::from_slice(&std::fs::read(path).expect("Read manifest"))
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.expect("Decode manifest");
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@@ -1201,10 +1258,20 @@ fn main() {
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repair_placement_cli(std::path::Path::new(&args[2]), &args[3]);
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return;
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}
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if args.len() == 4 && args[1] == "--scc-placement" {
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scc_placement_cli(std::path::Path::new(&args[2]), &args[3]);
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return;
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}
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if args.len() == 2 && args[1] == "--scc-fixtures" {
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for (name, f) in fixtures() {
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println!("{}", scc_observe(name, f));
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}
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return;
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}
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assert_eq!(
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args.len(),
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1,
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"Usage: auto_layout_probe [--route-corpus MANIFEST | --arrange-corpus MANIFEST | --import-placement PROJECT UUID PLAN | --repair-placement PROJECT UUID]"
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"Usage: auto_layout_probe [--route-corpus MANIFEST | --arrange-corpus MANIFEST | --import-placement PROJECT UUID PLAN | --repair-placement PROJECT UUID | --scc-placement PROJECT UUID | --scc-fixtures]"
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);
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println!(
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"{}",
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@@ -0,0 +1,551 @@
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//! Isolated SCC-block placement experiment; no production-layout acceptance.
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use super::{PlacementNode, PlacementPlan, import_placement};
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use oa_core::{Id, ModelError, Position, Project, Size, projection, routing};
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use std::collections::{BTreeMap, BTreeSet};
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const LIMIT: usize = 20_000_000;
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const PAD: f32 = 32.0;
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const SPAN: f32 = 100_000.0;
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fn error(text: &str) -> ModelError {
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ModelError(format!("SCC placement: {text}"))
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}
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fn charge(work: &mut usize, count: usize) -> Result<(), ModelError> {
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*work = work.saturating_add(count);
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if *work > LIMIT {
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Err(error("work limit exceeded"))
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} else {
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Ok(())
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}
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}
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fn components(arcs: &[BTreeSet<usize>], work: &mut usize) -> Result<Vec<Vec<usize>>, ModelError> {
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let n = arcs.len();
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let mut reach = vec![vec![false; n]; n];
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for start in 0..n {
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let mut todo = vec![start];
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reach[start][start] = true;
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while let Some(at) = todo.pop() {
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for &next in &arcs[at] {
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charge(work, 1)?;
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if !reach[start][next] {
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reach[start][next] = true;
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todo.push(next);
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}
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}
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}
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}
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let mut used = vec![false; n];
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let mut result = Vec::new();
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for i in 0..n {
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if used[i] {
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continue;
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}
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let mut group = Vec::new();
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for j in i..n {
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charge(work, 1)?;
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if !used[j] && reach[i][j] && reach[j][i] {
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used[j] = true;
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group.push(j);
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}
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}
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result.push(group);
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}
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Ok(result)
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}
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// Clockwise perimeter slots. Restrict to near-square physical envelopes when
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// possible; minimizing perimeter area without this restriction makes a strip.
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fn perimeter(
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n: usize,
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cell: Size,
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gap: Size,
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work: &mut usize,
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) -> Result<(Vec<Position>, usize, usize), ModelError> {
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let mut best: Option<((bool, f32, f32, usize, usize), usize, usize)> = None;
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for rows in 2..=n.max(2) {
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for cols in 2..=n.max(2) {
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charge(work, 1)?;
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if 2 * rows + 2 * cols - 4 < n {
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continue;
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}
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let width = cols as f32 * cell.width + (cols - 1) as f32 * gap.width;
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let height = rows as f32 * cell.height + (rows - 1) as f32 * gap.height;
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let aspect = (width / height).max(height / width);
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let key = (
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aspect > 2.0,
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if aspect <= 2.0 {
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width * height
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} else {
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aspect
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},
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width * height,
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rows,
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cols,
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);
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if best.as_ref().is_none_or(|(old, _, _)| key < *old) {
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best = Some((key, rows, cols));
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}
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}
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}
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let (_, rows, cols) = best.ok_or_else(|| error("no perimeter grid"))?;
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let mut slots = Vec::new();
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for col in 0..cols {
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slots.push((col, 0));
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}
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for row in 1..rows {
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slots.push((cols - 1, row));
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}
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for col in (0..cols - 1).rev() {
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slots.push((col, rows - 1));
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}
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for row in (1..rows - 1).rev() {
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slots.push((0, row));
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}
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Ok((
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slots
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.into_iter()
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.take(n)
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.map(|(x, y)| Position {
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x: x as f32 * (cell.width + gap.width),
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y: y as f32 * (cell.height + gap.height),
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})
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.collect(),
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rows,
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cols,
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))
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}
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fn lift(
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id: Id,
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parent: Option<Id>,
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parents: &BTreeMap<Id, Option<Id>>,
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work: &mut usize,
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) -> Result<Option<Id>, ModelError> {
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let mut at = id;
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for _ in 0..=parents.len() {
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charge(work, 1)?;
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let Some(&up) = parents.get(&at) else {
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return Err(error("missing visual ancestor"));
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};
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if up == parent {
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return Ok(Some(at));
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}
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let Some(next) = up else {
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return Ok(None);
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};
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at = next;
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}
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Err(error("cyclic visual ancestry"))
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}
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/// Frozen projected geometry is the minimum; folded nodes remain opaque.
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pub fn candidate(project: &Project, diagram: Id) -> Result<Project, ModelError> {
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candidate_with_diagnostics(project, diagram).map(|(result, _)| result)
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}
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pub fn candidate_with_diagnostics(
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project: &Project,
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diagram: Id,
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) -> Result<(Project, serde_json::Value), ModelError> {
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let d = project
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.diagrams
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.get(&diagram)
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.ok_or_else(|| error("missing diagram"))?;
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if d.projection.scenario().is_some() {
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return Err(error("Scenario unsupported"));
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}
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if d.nodes.len() > 256 {
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return Err(error("stored-node bound exceeded"));
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}
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let view = projection::project_diagram(project, d);
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if view.edges.len() > 1024 {
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return Err(error("visible-edge bound exceeded"));
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}
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if view.nodes.iter().any(|n| {
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!n.size.width.is_finite()
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|| !n.size.height.is_finite()
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|| n.size.width <= 0.0
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|| n.size.height <= 0.0
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}) {
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return Err(error("invalid projected minima"));
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}
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let parents: BTreeMap<_, _> = view.nodes.iter().map(|n| (n.id, n.visual_parent)).collect();
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let names: BTreeMap<_, _> = view
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.nodes
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.iter()
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.map(|n| (n.id, (project.elements[&n.element].alias.clone(), n.id)))
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.collect();
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let mut children: BTreeMap<Option<Id>, Vec<Id>> = BTreeMap::new();
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for n in &view.nodes {
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children.entry(n.visual_parent).or_default().push(n.id);
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}
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for ids in children.values_mut() {
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ids.sort_by_key(|id| names[id].clone());
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}
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let mut work = 0;
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let mut depth = BTreeMap::new();
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for n in &view.nodes {
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let mut at = n.id;
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let mut count = 0;
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let mut seen = BTreeSet::new();
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while let Some(up) = *parents.get(&at).ok_or_else(|| error("missing parent"))? {
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charge(&mut work, 1)?;
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if !seen.insert(at) {
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return Err(error("cyclic hierarchy"));
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}
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count += 1;
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at = up;
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}
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depth.insert(n.id, count);
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}
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let routed = routing::route_diagram(project, d, &view);
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let mut sizes: BTreeMap<_, _> = view.nodes.iter().map(|n| (n.id, n.size)).collect();
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let mut offsets = BTreeMap::new();
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let mut diagnostics = Vec::new();
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let mut groups: Vec<_> = children.keys().copied().collect();
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groups.sort_by_key(|p| std::cmp::Reverse(p.map_or(0, |id| depth[&id] + 1)));
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for parent in groups {
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let ids = &children[&parent];
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let index: BTreeMap<_, _> = ids.iter().enumerate().map(|(i, id)| (*id, i)).collect();
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let mut arcs = vec![BTreeSet::new(); ids.len()];
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let mut links = Vec::new();
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let mut undirected = BTreeSet::new();
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for edge in &view.edges {
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charge(&mut work, 1)?;
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let (Some(a), Some(b)) = (
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lift(edge.source, parent, &parents, &mut work)?,
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lift(edge.target, parent, &parents, &mut work)?,
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) else {
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continue;
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};
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if a == b {
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continue;
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}
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let (a, b) = (index[&a], index[&b]);
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if edge.oriented {
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arcs[a].insert(b);
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} else {
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undirected.insert((ids[a].min(ids[b]), ids[a].max(ids[b])));
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}
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let routed_edge = routed
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.edges
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.get(&edge.id)
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.ok_or_else(|| error("missing estimated edge label"))?;
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let mut label = routed_edge.label.bounds.size;
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if let Some(relation) = project.relations.get(&edge.id) {
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for end in routing::association_end_geometry(relation, routed_edge) {
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label.width = label.width.max(end.label.bounds.size.width);
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label.height = label.height.max(end.label.bounds.size.height);
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}
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}
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if !label.width.is_finite() || !label.height.is_finite() {
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return Err(error("invalid estimated label"));
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}
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links.push((a, b, label));
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}
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let comps = components(&arcs, &mut work)?;
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let mut owner = vec![0; ids.len()];
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for (c, members) in comps.iter().enumerate() {
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for &i in members {
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owner[i] = c;
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}
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}
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let mut dag = vec![BTreeSet::new(); comps.len()];
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for (a, targets) in arcs.iter().enumerate() {
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for &b in targets {
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if owner[a] != owner[b] {
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dag[owner[a]].insert(owner[b]);
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}
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}
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}
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let mut ranks = vec![0usize; comps.len()];
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let mut done = BTreeSet::new();
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while done.len() < comps.len() {
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let next = (0..comps.len())
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.find(|c| {
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!done.contains(c)
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&& (0..comps.len()).all(|p| !dag[p].contains(c) || done.contains(&p))
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})
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.ok_or_else(|| error("condensation is cyclic"))?;
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charge(&mut work, comps.len() * comps.len())?;
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for &to in &dag[next] {
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ranks[to] = ranks[to].max(ranks[next] + 1);
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}
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done.insert(next);
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}
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let mut blocks = Vec::new();
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let mut component_diagnostics = Vec::new();
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let mut member_offsets = BTreeMap::new();
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for (c, members) in comps.iter().enumerate() {
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let mut gap = Size {
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width: PAD,
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height: PAD,
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};
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for &(a, b, label) in &links {
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if owner[a] == c && owner[b] == c {
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gap.width = gap.width.max(label.width + PAD);
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gap.height = gap.height.max(label.height + PAD);
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}
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}
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let mut order = Vec::new();
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let mut seen = BTreeSet::new();
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for &start in members {
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let mut stack = vec![start];
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while let Some(i) = stack.pop() {
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charge(&mut work, 1)?;
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if !seen.insert(i) {
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continue;
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}
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order.push(i);
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for &j in arcs[i].iter().rev() {
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if owner[j] == c && !seen.contains(&j) {
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stack.push(j);
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}
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}
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}
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}
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let cell = Size {
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width: members
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.iter()
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.map(|&i| sizes[&ids[i]].width)
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.fold(0.0, f32::max),
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height: members
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.iter()
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.map(|&i| sizes[&ids[i]].height)
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.fold(0.0, f32::max),
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};
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let (slots, rows, cols) = if members.len() == 1 {
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(vec![Position { x: 0.0, y: 0.0 }], 1, 1)
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} else {
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perimeter(members.len(), cell, gap, &mut work)?
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};
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component_diagnostics.push(serde_json::json!({"component":c,"rank":ranks[c],"members":members.iter().map(|&i|ids[i]).collect::<Vec<_>>(),"walk":order.iter().map(|&i|ids[i]).collect::<Vec<_>>(),"grid_rows":rows,"grid_cols":cols,"gap":gap}));
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let mut size = Size {
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width: 0.0,
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height: 0.0,
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};
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for (i, pos) in order.into_iter().zip(slots) {
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size.width = size.width.max(pos.x + sizes[&ids[i]].width);
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size.height = size.height.max(pos.y + sizes[&ids[i]].height);
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member_offsets.insert(i, pos);
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}
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blocks.push(size);
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}
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let max_rank = ranks.iter().copied().max().unwrap_or(0);
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charge(
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&mut work,
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links
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.len()
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.saturating_mul(comps.len().saturating_add(1))
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.saturating_mul(comps.len().saturating_add(1)),
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)?;
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let mut block_positions = vec![Position { x: 0.0, y: 0.0 }; comps.len()];
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let mut x = 0.0;
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let mut total = Size {
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width: 0.0,
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height: 0.0,
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};
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let mut prior_order = vec![0usize; comps.len()];
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for rank in 0..=max_rank {
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let mut layer: Vec<_> = (0..comps.len()).filter(|&c| ranks[c] == rank).collect();
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// Fixed one-pass proximity order, including undirected links, without
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// inventing direction or changing condensation ranks.
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layer.sort_by_key(|&c| {
|
||||
let neighbors: Vec<_> = links
|
||||
.iter()
|
||||
.filter_map(|&(a, b, _)| {
|
||||
let (a, b) = (owner[a], owner[b]);
|
||||
if a == c && ranks[b] < rank {
|
||||
Some(prior_order[b])
|
||||
} else if b == c && ranks[a] < rank {
|
||||
Some(prior_order[a])
|
||||
} else {
|
||||
None
|
||||
}
|
||||
})
|
||||
.collect();
|
||||
(
|
||||
if neighbors.is_empty() {
|
||||
c
|
||||
} else {
|
||||
neighbors.iter().sum::<usize>() / neighbors.len()
|
||||
},
|
||||
c,
|
||||
)
|
||||
});
|
||||
// Keep same-rank undirected neighbours contiguous in one canonical
|
||||
// breadth-first walk; these links never become directed rank arcs.
|
||||
let mut proximity = Vec::new();
|
||||
let mut remaining: BTreeSet<_> = layer.iter().copied().collect();
|
||||
for &start in &layer {
|
||||
if !remaining.remove(&start) {
|
||||
continue;
|
||||
}
|
||||
let mut queue = std::collections::VecDeque::from([start]);
|
||||
while let Some(c) = queue.pop_front() {
|
||||
proximity.push(c);
|
||||
for &next in &layer {
|
||||
charge(&mut work, links.len() + 1)?;
|
||||
if remaining.contains(&next)
|
||||
&& links.iter().any(|&(a, b, _)| {
|
||||
(owner[a] == c && owner[b] == next)
|
||||
|| (owner[b] == c && owner[a] == next)
|
||||
})
|
||||
{
|
||||
remaining.remove(&next);
|
||||
queue.push_back(next);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
layer = proximity;
|
||||
let mut cut = Size {
|
||||
width: PAD,
|
||||
height: PAD,
|
||||
};
|
||||
for &(a, b, label) in &links {
|
||||
if owner[a] != owner[b] && (ranks[owner[a]] == rank || ranks[owner[b]] == rank) {
|
||||
cut.width = cut.width.max(label.width + PAD);
|
||||
cut.height = cut.height.max(label.height + PAD);
|
||||
}
|
||||
}
|
||||
let mut y = 0.0;
|
||||
let mut width = 0.0_f32;
|
||||
for (i, c) in layer.into_iter().enumerate() {
|
||||
prior_order[c] = i;
|
||||
block_positions[c] = Position { x, y };
|
||||
y += blocks[c].height + cut.height;
|
||||
width = width.max(blocks[c].width);
|
||||
}
|
||||
total.width = total.width.max(x + width);
|
||||
total.height = total.height.max((y - cut.height).max(0.0));
|
||||
x += width + cut.width;
|
||||
}
|
||||
let header = if let Some(id) = parent {
|
||||
let n = view.nodes.iter().find(|n| n.id == id).unwrap();
|
||||
if n.collapsed {
|
||||
return Err(error("folded node has projected children"));
|
||||
}
|
||||
if d.projection.state_machine().is_some() {
|
||||
projection::state_header_height(project, n.element)
|
||||
} else {
|
||||
64.0
|
||||
}
|
||||
} else {
|
||||
0.0
|
||||
};
|
||||
for (i, id) in ids.iter().enumerate() {
|
||||
let b = block_positions[owner[i]];
|
||||
let m = member_offsets[&i];
|
||||
offsets.insert(
|
||||
*id,
|
||||
Position {
|
||||
x: b.x + m.x + if parent.is_some() { PAD } else { 0.0 },
|
||||
y: b.y + m.y + if parent.is_some() { header + PAD } else { 0.0 },
|
||||
},
|
||||
);
|
||||
}
|
||||
if let Some(id) = parent {
|
||||
let size = sizes.get_mut(&id).unwrap();
|
||||
size.width = size.width.max(total.width + 2.0 * PAD);
|
||||
size.height = size.height.max(total.height + header + 2.0 * PAD);
|
||||
}
|
||||
let lifted: Vec<_> = arcs
|
||||
.iter()
|
||||
.enumerate()
|
||||
.flat_map(|(a, targets)| targets.iter().map(move |&b| (ids[a], ids[b])))
|
||||
.collect();
|
||||
diagnostics.push(serde_json::json!({"visible_parent":parent,"components":component_diagnostics,"directed_lifted_edges":lifted,"undirected_lifted_pairs":undirected,"block_positions":block_positions,"bounds":total,"policy":"SCCs of sibling-subtree quotient, not global semantic SCCs. Undirected edges affect local gap and deterministic proximity only; no rank direction invented."}));
|
||||
}
|
||||
let mut plans = Vec::new();
|
||||
for n in &view.nodes {
|
||||
let mut position = offsets[&n.id];
|
||||
let mut parent = n.visual_parent;
|
||||
while let Some(id) = parent {
|
||||
charge(&mut work, 1)?;
|
||||
let p = offsets[&id];
|
||||
position.x += p.x;
|
||||
position.y += p.y;
|
||||
parent = parents[&id];
|
||||
}
|
||||
position.x += 40.0;
|
||||
position.y += 40.0;
|
||||
let size = sizes[&n.id];
|
||||
if !position.x.is_finite()
|
||||
|| !position.y.is_finite()
|
||||
|| position.x + size.width > SPAN
|
||||
|| position.y + size.height > SPAN
|
||||
{
|
||||
return Err(error("extent bound exceeded"));
|
||||
}
|
||||
plans.push(PlacementNode {
|
||||
id: n.id,
|
||||
position,
|
||||
size,
|
||||
});
|
||||
}
|
||||
let result = import_placement(
|
||||
project,
|
||||
diagram,
|
||||
PlacementPlan {
|
||||
schema: 1,
|
||||
nodes: plans,
|
||||
},
|
||||
)?;
|
||||
let final_view = projection::project_view(&result, diagram);
|
||||
charge(
|
||||
&mut work,
|
||||
final_view.edges.len() * (final_view.nodes.len() + 1) * 16,
|
||||
)?;
|
||||
if !routing::lead_incompatibilities(&result, &result.diagrams[&diagram], &final_view).is_empty()
|
||||
{
|
||||
return Err(error(
|
||||
"final mandatory port lead incompatible; no repair attempted",
|
||||
));
|
||||
}
|
||||
Ok((
|
||||
result,
|
||||
serde_json::json!({"groups":diagnostics,"work_charged":work,"work_limit":LIMIT,"scope":"Projected-forest quotient heuristic; actual final reprojection and necessary lead guard checked. No full-route or readability acceptance."}),
|
||||
))
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
#[test]
|
||||
fn directed_cycles_remain_separate_across_one_way_bridge() {
|
||||
let arcs = vec![
|
||||
BTreeSet::from([1]),
|
||||
BTreeSet::from([0, 2]),
|
||||
BTreeSet::from([3]),
|
||||
BTreeSet::from([2]),
|
||||
];
|
||||
assert_eq!(
|
||||
components(&arcs, &mut 0).unwrap(),
|
||||
vec![vec![0, 1], vec![2, 3]]
|
||||
);
|
||||
}
|
||||
#[test]
|
||||
fn perimeter_places_ten_unique_cells_without_overlap() {
|
||||
let (positions, _, _) = perimeter(
|
||||
10,
|
||||
Size {
|
||||
width: 224.0,
|
||||
height: 132.0,
|
||||
},
|
||||
Size {
|
||||
width: 32.0,
|
||||
height: 32.0,
|
||||
},
|
||||
&mut 0,
|
||||
)
|
||||
.unwrap();
|
||||
assert_eq!(positions.len(), 10);
|
||||
for (i, a) in positions.iter().enumerate() {
|
||||
for b in &positions[i + 1..] {
|
||||
assert!((a.x - b.x).abs() >= 256.0 || (a.y - b.y).abs() >= 164.0);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user