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use abstutil::prettyprint_usize;
use geom::{Distance, Histogram, Statistic};
use map_model::{IntersectionID, RoadID};
use synthpop::TrafficCounts;
use widgetry::mapspace::{ObjectID, ToggleZoomed, ToggleZoomedBuilder, World, WorldOutcome};
use widgetry::{Color, EventCtx, GeomBatch, GfxCtx, Key, Line, Text, TextExt, Widget};
use crate::tools::{cmp_count, ColorNetwork, DivergingScale};
use crate::AppLike;
pub struct CompareCounts {
pub layer: Layer,
world: World<Obj>,
pub counts_a: TrafficCounts,
heatmap_a: ToggleZoomed,
pub counts_b: TrafficCounts,
heatmap_b: ToggleZoomed,
relative_heatmap: ToggleZoomed,
}
#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
enum Obj {
Road(RoadID),
Intersection(IntersectionID),
}
impl ObjectID for Obj {}
#[derive(Clone, Copy, Debug, PartialEq)]
pub enum Layer {
A,
B,
Compare,
}
impl CompareCounts {
pub fn new(
ctx: &mut EventCtx,
app: &dyn AppLike,
counts_a: TrafficCounts,
counts_b: TrafficCounts,
layer: Layer,
clickable_roads: bool,
) -> CompareCounts {
let heatmap_a = calculate_heatmap(ctx, app, counts_a.clone());
let heatmap_b = calculate_heatmap(ctx, app, counts_b.clone());
let relative_heatmap = calculate_relative_heatmap(ctx, app, &counts_a, &counts_b);
CompareCounts {
layer,
world: make_world(ctx, app, clickable_roads),
counts_a,
heatmap_a,
counts_b,
heatmap_b,
relative_heatmap,
}
}
pub fn autoselect_layer(&mut self) {
self.layer = if self.counts_a.per_road == self.counts_b.per_road
&& self.counts_a.per_intersection == self.counts_b.per_intersection
{
Layer::A
} else {
Layer::Compare
};
}
pub fn recalculate_b(&mut self, ctx: &EventCtx, app: &dyn AppLike, counts_b: TrafficCounts) {
self.counts_b = counts_b;
self.heatmap_b = calculate_heatmap(ctx, app, self.counts_b.clone());
self.relative_heatmap =
calculate_relative_heatmap(ctx, app, &self.counts_a, &self.counts_b);
if self.layer == Layer::A {
self.autoselect_layer();
}
}
pub fn empty(ctx: &EventCtx) -> CompareCounts {
CompareCounts {
layer: Layer::A,
world: World::unbounded(),
counts_a: TrafficCounts::default(),
heatmap_a: ToggleZoomed::empty(ctx),
counts_b: TrafficCounts::default(),
heatmap_b: ToggleZoomed::empty(ctx),
relative_heatmap: ToggleZoomed::empty(ctx),
}
}
pub fn get_panel_widget(&self, ctx: &EventCtx) -> Widget {
Widget::col(vec![
"Show which traffic counts?".text_widget(ctx),
Widget::row(vec![
ctx.style()
.btn_solid_primary
.text(&self.counts_a.description)
.disabled(self.layer == Layer::A)
.hotkey(Key::Num1)
.build_widget(ctx, "A counts"),
ctx.style()
.btn_solid_primary
.text(&self.counts_b.description)
.disabled(self.layer == Layer::B)
.hotkey(Key::Num2)
.build_widget(ctx, "B counts"),
ctx.style()
.btn_solid_primary
.text("Compare")
.disabled(self.layer == Layer::Compare)
.hotkey(Key::Num3)
.build_def(ctx),
]),
ctx.style().btn_outline.text("Swap A<->B").build_def(ctx),
])
.section(ctx)
}
pub fn draw(&self, g: &mut GfxCtx) {
match self.layer {
Layer::A => {
self.heatmap_a.draw(g);
}
Layer::B => {
self.heatmap_b.draw(g);
}
Layer::Compare => {
self.relative_heatmap.draw(g);
}
}
if let Some(id) = self.world.get_hovering() {
let count = match id {
Obj::Road(r) => match self.layer {
Layer::A => self.counts_a.per_road.get(r),
Layer::B => self.counts_b.per_road.get(r),
Layer::Compare => {
g.draw_mouse_tooltip(self.relative_road_tooltip(r));
return;
}
},
Obj::Intersection(i) => match self.layer {
Layer::A => self.counts_a.per_intersection.get(i),
Layer::B => self.counts_b.per_intersection.get(i),
Layer::Compare => {
return;
}
},
};
g.draw_mouse_tooltip(Text::from(Line(prettyprint_usize(count))));
}
}
fn relative_road_tooltip(&self, r: RoadID) -> Text {
let a = self.counts_a.per_road.get(r);
let b = self.counts_b.per_road.get(r);
let ratio = (b as f64) / (a as f64);
let mut txt = Text::from_multiline(vec![
Line(format!(
"{}: {}",
self.counts_a.description,
prettyprint_usize(a)
)),
Line(format!(
"{}: {}",
self.counts_b.description,
prettyprint_usize(b)
)),
]);
cmp_count(&mut txt, a, b);
txt.add_line(Line(format!(
"{}/{}: {:.2}",
self.counts_b.description, self.counts_a.description, ratio
)));
txt
}
pub fn other_event(&mut self, ctx: &mut EventCtx) -> Option<RoadID> {
match self.world.event(ctx) {
WorldOutcome::ClickedObject(Obj::Road(r)) => Some(r),
_ => None,
}
}
pub fn on_click(&mut self, ctx: &EventCtx, app: &dyn AppLike, x: &str) -> Option<Widget> {
self.layer = match x {
"A counts" => Layer::A,
"B counts" => Layer::B,
"Compare" => Layer::Compare,
"Swap A<->B" => {
std::mem::swap(&mut self.counts_a, &mut self.counts_b);
self.relative_heatmap =
calculate_relative_heatmap(ctx, app, &self.counts_a, &self.counts_b);
self.layer
}
_ => {
return None;
}
};
Some(self.get_panel_widget(ctx))
}
}
fn calculate_heatmap(ctx: &EventCtx, app: &dyn AppLike, counts: TrafficCounts) -> ToggleZoomed {
let mut colorer = ColorNetwork::no_fading(app);
colorer.ranked_roads(counts.per_road, &app.cs().good_to_bad_red);
colorer.ranked_intersections(counts.per_intersection, &app.cs().good_to_bad_red);
colorer.build(ctx)
}
fn calculate_relative_heatmap(
ctx: &EventCtx,
app: &dyn AppLike,
counts_a: &TrafficCounts,
counts_b: &TrafficCounts,
) -> ToggleZoomed {
let mut hgram_before = Histogram::new();
for (_, cnt) in counts_a.per_road.borrow() {
hgram_before.add(*cnt);
}
let mut hgram_after = Histogram::new();
for (_, cnt) in counts_b.per_road.borrow() {
hgram_after.add(*cnt);
}
info!("Road counts before: {}", hgram_before.describe());
info!("Road counts after: {}", hgram_after.describe());
let mut hgram_width = Histogram::new();
for r in app.map().all_roads() {
hgram_width.add(r.get_width());
}
info!("Physical road widths: {}", hgram_width.describe());
let scale = DivergingScale::new(Color::hex("#5D9630"), Color::WHITE, Color::hex("#A32015"))
.range(0.0, 2.0);
let min_count = hgram_before.select(Statistic::Min).unwrap();
let max_count = hgram_before.select(Statistic::Max).unwrap();
let mut draw_roads = GeomBatch::new();
for (r, before, after) in counts_a.per_road.clone().compare(counts_b.per_road.clone()) {
let ratio = (after as f64) / (before as f64);
let color = if let Some(c) = scale.eval(ratio) {
c
} else {
continue;
};
let pct_count = if before == 0 {
0.0
} else {
(before - min_count) as f64 / (max_count - min_count) as f64
};
let width = Distance::meters(2.0) + pct_count * Distance::meters(10.0);
draw_roads.push(color, app.map().get_r(r).center_pts.make_polygons(width));
}
ToggleZoomedBuilder::from(draw_roads).build(ctx)
}
fn make_world(ctx: &mut EventCtx, app: &dyn AppLike, clickable_roads: bool) -> World<Obj> {
let mut world = World::bounded(app.map().get_bounds());
for r in app.map().all_roads() {
world
.add(Obj::Road(r.id))
.hitbox(r.get_thick_polygon())
.drawn_in_master_batch()
.invisibly_hoverable()
.set_clickable(clickable_roads)
.build(ctx);
}
for i in app.map().all_intersections() {
world
.add(Obj::Intersection(i.id))
.hitbox(i.polygon.clone())
.drawn_in_master_batch()
.invisibly_hoverable()
.build(ctx);
}
world
}