diff --git a/app-proto/src/assembly.rs b/app-proto/src/assembly.rs index 68fcd8b..26fb4aa 100644 --- a/app-proto/src/assembly.rs +++ b/app-proto/src/assembly.rs @@ -16,7 +16,6 @@ use crate::{ components::{display::DisplayItem, outline::OutlineItem}, engine::{ Q, - change_half_curvature, local_unif_to_std, point, project_point_to_normalized, @@ -358,16 +357,6 @@ pub trait Regulator: Serial + ProblemPoser + OutlineItem { fn subjects(&self) -> Vec>; fn measurement(&self) -> ReadSignal; fn set_point(&self) -> Signal; - - // this method is used to responsively precondition the assembly for - // realization when the regulator becomes a constraint, or is edited while - // acting as a constraint. it should track the set point, do any desired - // preconditioning when the set point is present, and use its return value - // to report whether the set is present. the default implementation does no - // preconditioning - fn try_activate(&self) -> bool { - self.set_point().with(|set_pt| set_pt.is_present()) - } } impl Hash for dyn Regulator { @@ -488,18 +477,6 @@ impl Regulator for HalfCurvatureRegulator { fn set_point(&self) -> Signal { self.set_point } - - fn try_activate(&self) -> bool { - match self.set_point.with(|set_pt| set_pt.value) { - Some(half_curv) => { - self.subject.representation().update( - |rep| change_half_curvature(rep, half_curv) - ); - true - } - None => false - } - } } impl Serial for HalfCurvatureRegulator { @@ -552,8 +529,7 @@ pub struct Assembly { pub elements_by_id: Signal>>, // realization control - pub keep_realized: Signal, - pub needs_realization: Signal, + pub realization_trigger: Signal<()>, // realization diagnostics pub realization_status: Signal>, @@ -568,21 +544,23 @@ impl Assembly { regulators: create_signal(BTreeSet::new()), tangent: create_signal(ConfigSubspace::zero(0)), elements_by_id: create_signal(BTreeMap::default()), - keep_realized: create_signal(true), - needs_realization: create_signal(false), + realization_trigger: create_signal(()), realization_status: create_signal(Ok(())), descent_history: create_signal(DescentHistory::new()) }; - // realize the assembly whenever it becomes simultaneously true that - // we're trying to keep it realized and it needs realization + // realize the assembly whenever the element list, the regulator list, + // a regulator's set point, or the realization trigger is updated let assembly_for_effect = assembly.clone(); create_effect(move || { - let should_realize = assembly_for_effect.keep_realized.get() - && assembly_for_effect.needs_realization.get(); - if should_realize { - assembly_for_effect.realize(); - } + assembly_for_effect.elements.track(); + assembly_for_effect.regulators.with( + |regs| for reg in regs { + reg.set_point().track(); + } + ); + assembly_for_effect.realization_trigger.track(); + assembly_for_effect.realize(); }); assembly @@ -646,19 +624,6 @@ impl Assembly { regulators.update(|regs| regs.insert(regulator.clone())); } - // request a realization when the regulator becomes a constraint, or is - // edited while acting as a constraint - let self_for_effect = self.clone(); - create_effect(move || { - /* DEBUG */ - // log the regulator update - console_log!("Updated regulator with subjects {:?}", regulator.subjects()); - - if regulator.try_activate() { - self_for_effect.needs_realization.set(true); - } - }); - /* DEBUG */ // print an updated list of regulators console_log!("Regulators:"); @@ -726,8 +691,10 @@ impl Assembly { } else { console_log!("✅️ Target accuracy achieved!"); } - console_log!("Steps: {}", history.scaled_loss.len() - 1); - console_log!("Loss: {}", history.scaled_loss.last().unwrap()); + if history.scaled_loss.len() > 0 { + console_log!("Steps: {}", history.scaled_loss.len() - 1); + console_log!("Loss: {}", history.scaled_loss.last().unwrap()); + } // report the loss history self.descent_history.set(history); @@ -750,9 +717,6 @@ impl Assembly { // save the tangent space self.tangent.set_silent(tangent); - - // clear the realization request flag - self.needs_realization.set(false); }, Err(message) => { // report the realization status. the `Err(message)` we're @@ -848,10 +812,10 @@ impl Assembly { }); } - // request a realization to bring the configuration back onto the + // trigger a realization to bring the configuration back onto the // solution variety. this also gets the elements' column indices and the // saved tangent space back in sync - self.needs_realization.set(true); + self.realization_trigger.set(()); } } diff --git a/app-proto/src/components/add_remove.rs b/app-proto/src/components/add_remove.rs index 3b0f9e0..ef5851c 100644 --- a/app-proto/src/components/add_remove.rs +++ b/app-proto/src/components/add_remove.rs @@ -14,7 +14,12 @@ pub fn AddRemove() -> View { button( on:click=|_| { let state = use_context::(); - state.assembly.insert_element_default::(); + batch(|| { + // this call is batched to avoid redundant realizations. + // it updates the element list and the regulator list, + // which are both tracked by the realization effect + state.assembly.insert_element_default::(); + }); } ) { "Add sphere" } button( diff --git a/app-proto/src/components/test_assembly_chooser.rs b/app-proto/src/components/test_assembly_chooser.rs index 232cda3..b58dd1a 100644 --- a/app-proto/src/components/test_assembly_chooser.rs +++ b/app-proto/src/components/test_assembly_chooser.rs @@ -900,9 +900,6 @@ pub fn TestAssemblyChooser() -> View { let state = use_context::(); let assembly = &state.assembly; - // pause realization - assembly.keep_realized.set(false); - // clear state assembly.regulators.update(|regs| regs.clear()); assembly.elements.update(|elts| elts.clear()); @@ -923,9 +920,6 @@ pub fn TestAssemblyChooser() -> View { "irisawa-hexlet" => load_irisawa_hexlet_assemb(assembly), _ => () }; - - // resume realization - assembly.keep_realized.set(true); }); }); diff --git a/app-proto/src/engine.rs b/app-proto/src/engine.rs index e6ffa25..9f4c688 100644 --- a/app-proto/src/engine.rs +++ b/app-proto/src/engine.rs @@ -50,40 +50,6 @@ pub fn project_point_to_normalized(rep: &mut DVector) { rep.scale_mut(0.5 / rep[3]); } -// given a sphere's representation vector, change the sphere's half-curvature to -// `half-curv` and then restore normalization by contracting the representation -// vector toward the curvature axis -pub fn change_half_curvature(rep: &mut DVector, half_curv: f64) { - // set the sphere's half-curvature to the desired value - rep[3] = half_curv; - - // restore normalization by contracting toward the curvature axis - const SIZE_THRESHOLD: f64 = 1e-9; - let half_q_lt = -2.0 * half_curv * rep[4]; - let half_q_lt_sq = half_q_lt * half_q_lt; - let mut spatial = rep.fixed_rows_mut::<3>(0); - let q_sp = spatial.norm_squared(); - if q_sp < SIZE_THRESHOLD && half_q_lt_sq < SIZE_THRESHOLD { - spatial.copy_from_slice( - &[0.0, 0.0, (1.0 - 2.0 * half_q_lt).sqrt()] - ); - } else { - let scaling = half_q_lt + (q_sp + half_q_lt_sq).sqrt(); - spatial.scale_mut(1.0 / scaling); - rep[4] /= scaling; - } - - /* DEBUG */ - // verify normalization - let rep_for_debug = rep.clone(); - console::log_1(&JsValue::from( - format!( - "Sphere self-product after curvature change: {}", - rep_for_debug.dot(&(&*Q * &rep_for_debug)) - ) - )); -} - // --- partial matrices --- pub struct MatrixEntry { @@ -425,9 +391,20 @@ pub fn realize_gram( // start the descent history let mut history = DescentHistory::new(); + // handle the empty-assembly case + let assembly_dim = guess.ncols(); + if assembly_dim == 0 { + let result = Ok( + ConfigNeighborhood { + config: guess.clone(), + nbhd: ConfigSubspace::zero(0) + } + ); + return Realization { result, history } + } + // find the dimension of the search space let element_dim = guess.nrows(); - let assembly_dim = guess.ncols(); let total_dim = element_dim * assembly_dim; // scale the tolerance