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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| <script lang="ts"> | ||
| import turfBbox from "@turf/bbox"; | ||
| import type { FeatureCollection } from "geojson"; | ||
| import type { LngLat, Map, MapMouseEvent } from "maplibre-gl"; | ||
| import { onDestroy, onMount } from "svelte"; | ||
| import { | ||
| GeoJSON, | ||
| hoverStateFilter, | ||
| LineLayer, | ||
| Marker, | ||
| Popup, | ||
| } from "svelte-maplibre"; | ||
| import { kindToColor } from "./colors"; | ||
| import { constructMatchExpression, PropertiesTable } from "./common"; | ||
| import Directions from "./Directions.svelte"; | ||
| import SplitComponent from "./SplitComponent.svelte"; | ||
| import { map, model } from "./stores"; | ||
| // TODO Use filter expressions? | ||
| export let showSeverances: boolean; | ||
| export let opacity: number; | ||
| // TODO Maybe need to do this when model changes | ||
| let bbox = turfBbox(JSON.parse($model.render())); | ||
| let route_a: LngLat = { | ||
| lng: lerp(0.4, bbox[0], bbox[2]), | ||
| lat: lerp(0.4, bbox[1], bbox[3]), | ||
| }; | ||
| let route_b: LngLat = { | ||
| lng: lerp(0.6, bbox[0], bbox[2]), | ||
| lat: lerp(0.6, bbox[1], bbox[3]), | ||
| }; | ||
| // TODO or empty | ||
| let route_gj: FeatureCollection | null = null; | ||
| let route_err = ""; | ||
| $: if (route_a && route_b) { | ||
| try { | ||
| route_gj = JSON.parse( | ||
| $model.compareRoute({ | ||
| x1: route_a.lng, | ||
| y1: route_a.lat, | ||
| x2: route_b.lng, | ||
| y2: route_b.lat, | ||
| }) | ||
| ); | ||
| route_err = ""; | ||
| } catch (err) { | ||
| route_gj = null; | ||
| route_err = err.toString(); | ||
| } | ||
| } | ||
| onMount(() => { | ||
| $map?.on("contextmenu", onRightClick); | ||
| }); | ||
| onDestroy(() => { | ||
| $map?.off("contextmenu", onRightClick); | ||
| }); | ||
| function onRightClick(e: MapMouseEvent) { | ||
| // Move the first marker, for convenience | ||
| route_a = e.lngLat; | ||
| } | ||
| function lerp(pct: number, a: number, b: number): number { | ||
| return a + pct * (b - a); | ||
| } | ||
| </script> | ||
|
|
||
| <SplitComponent> | ||
| <div slot="sidebar"> | ||
| {#if route_err} | ||
| <p>{route_err}</p> | ||
| {/if} | ||
| {#if route_gj} | ||
| <Directions {route_gj} /> | ||
| {/if} | ||
| </div> | ||
| <div slot="map"> | ||
| <GeoJSON data={JSON.parse($model.render())} generateId> | ||
| <LineLayer | ||
| id="network" | ||
| paint={{ | ||
| "line-width": hoverStateFilter(5, 7), | ||
| "line-color": constructMatchExpression( | ||
| ["get", "kind"], | ||
| kindToColor, | ||
| "yellow" | ||
| ), | ||
| "line-opacity": showSeverances | ||
| ? opacity / 100 | ||
| : constructMatchExpression( | ||
| ["get", "kind"], | ||
| { | ||
| Severance: 0.0, | ||
| }, | ||
| opacity / 100.0 | ||
| ), | ||
| }} | ||
| manageHoverState | ||
| on:click={(e) => | ||
| window.open(e.detail.features[0].properties.way, "_blank")} | ||
| hoverCursor="pointer" | ||
| > | ||
| <Popup openOn="hover" let:data> | ||
| <PropertiesTable properties={data.properties} /> | ||
| </Popup> | ||
| </LineLayer> | ||
| </GeoJSON> | ||
|
|
||
| <Marker bind:lngLat={route_a} draggable><span class="dot">A</span></Marker> | ||
| <Marker bind:lngLat={route_b} draggable><span class="dot">B</span></Marker> | ||
| {#if route_gj} | ||
| <GeoJSON data={route_gj}> | ||
| <LineLayer | ||
| id="route" | ||
| beforeId="network" | ||
| paint={{ | ||
| "line-width": 20, | ||
| "line-color": "cyan", | ||
| "line-opacity": 0.5, | ||
| }} | ||
| /> | ||
| </GeoJSON> | ||
| {/if} | ||
| </div> | ||
| </SplitComponent> | ||
|
|
||
| <style> | ||
| .dot { | ||
| width: 30px; | ||
| height: 30px; | ||
| border-radius: 50%; | ||
| display: inline-block; | ||
| background-color: grey; | ||
| text-align: center; | ||
| } | ||
| </style> |
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