Public
Edited
Dec 18, 2023
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1 star
xyz_tiles = xyz(bounds, 6)
map = svg`<svg viewBox="0 0 ${width} ${height}">
<g id="water">
${segment_water.map((m) =>
m.map(
(h, i) =>
`<g id = "hatch${i}">
<path d ='M${[h.a.x, h.a.y]}L${[
h.b.x,
h.b.y
]}' stroke-opacity="0.3" stroke="black"/>
</g>`
)
)}
</g>
<g id="twborders">
${tw.features.map((m) => `<path d =${path(m)} fill="none" />`)}
)}
</g>
<g id = "hillshade">
${classedSplitZ.map(
(h, i) => `<path d ='M${[h.a.x, h.a.y]}L${[h.b.x, h.b.y]}' stroke="black"/>`
)}
</g>
<g id = "parks">
${science_parks.features.map(
(h, i) =>
`<circle fill="red" cx = ${path.centroid(h)[0]} cy = "${
path.centroid(h)[1]
}" r= "2" id = "${h.properties.name_en}"></circle>`
)}
${addedscienceparks.features.map(
(a, i) =>
`<circle fill="red" cx = ${projection(a.geometry.coordinates)[0]} cy = "${
projection(a.geometry.coordinates)[1]
}" r= "2" id = "${a.properties.name_en}"></circle>`
)}
</g>
</svg>`
clipFlat = clipped
.map((c) =>
c
.map((m) => turf.flatten(m))
.map((l) => l.features)
.flat()
.map((m) => turf.rewind(m))
)
.map((c) =>
turf
.dissolve(turf.featureCollection(c))
.features.map((m) => turf.rewind(m, { reverse: true }))
)
turf.tesselate(water_rewind.features[0])
rewind = turf.rewind(site, { reverse: true })
bounds = [
site.geometry.coordinates[0][0],
site.geometry.coordinates[0][2]
]
site = zoomed_bbox
zoomed_bbox = turf.bboxPolygon(
turf.bbox(
turf.buffer(turf.bboxPolygon(turf.bbox(tw)), 2, {
unit: "miles"
})
)
)
counties10t = FileAttachment("counties-10t.json").json()
hsinchu = turf.combine(
turf.featureCollection(
topojson
.feature(counties10t, counties10t.objects.counties)
.features.filter((f) => f.properties.COUNTYENG.includes("Hsinchu City"))
)
)
kaohsiung = turf.combine(
turf.featureCollection(
topojson
.feature(counties10t, counties10t.objects.counties)
.features.filter((f) => f.properties.COUNTYENG.includes("Kaohsiung"))
)
)
tw = topojson.feature(counties10t, counties10t.objects.nation)
geojson = FileAttachment("map(12).geojson").json()
ctr = turf.center(site)
projection = d3
.geoMercator()
.center(turf.center(twFrame.features[0]).geometry.coordinates)
.translate([0, 0])
.fitSize([width, height], rewind)
tessel
manual_union = [
turf.rewind(
turf.union(turf.difference(geom_water[3], geom_water[6]), geom_water[4]),
{ reverse: true }
),
turf.rewind(
turf.union(geom_water[6], turf.difference(geom_water[7], geom_water[4])),
{ reverse: true }
)
]
segment_water = tessel.features
.map((m) =>
path(m)
.split("M")
.filter((f) => f != "")
.map((m) => "M" + m)
.flat()
.map((s) => Polygon.fromPath(s))
)
.flat()
.flat()
.map((m, i) => m.getHatches(hatchpattern(i), 6, 0))
.filter((f) => f.length > 0)
water_nest = d3
.nest()
.key(function (d) {
return d.properties.kind;
})
.entries(geom_water)
geom_water = mb_water
.map((m) => m.water)
.filter((m) => m != undefined)
.map((m) => m.features)
.flat()
.filter((f) => f.geometry.type != "MultiLineString")
.filter((f) => f.geometry.type != "LineString")
.filter((f) => f.geometry.type != "Point")
.flat()
// .map((o) => turf.intersect(o, zoomed_bbox))
// .map((m) => turf.rewind(m, { reverse: true }))
biggerframe = xyz(
[twFrame.features[0].geometry.coordinates[0][0],
twFrame.features[0].geometry.coordinates[0][2]],
7
)
(twFrame.features[0].geometry.coordinates[0][0],
twFrame.features[0].geometry.coordinates[0][2])
twFrame = FileAttachment("tw-frame.geojson").json()
mb_water = Promise.all(
biggerframe.map(async (t) => {
let data = new vt.VectorTile(
new Protobuf(
await d3.buffer(
`https://api.mapbox.com/v4/mapbox.mapbox-streets-v8/${t.z}/${t.x}/${t.y}.mvt?access_token=pk.eyJ1Ijoid2FzaGluZ3RvbnBvc3QiLCJhIjoibWJkTGx1SSJ9.6cMdwgs-AYrRtQsEkXlHqg`
)
)
).layers;
t.data = Object.keys(data).reduce((initialData, key) => {
initialData[key] = {
type: "FeatureCollection",
features: [...Array(data[key].length).keys()].map((item, i) => {
let feature = data[key].feature(i).toGeoJSON(t.x, t.y, t.z);
return feature;
})
};
return initialData;
}, {});
return t.data;
})
)
hatchpattern = function (i) {
if (i % 2 == 0) {
return PI / 3
} else {
return -(PI / 3)
}
}
water_rewind = turf.rewind(
turf.flatten(geom_water.reduce((p, m) => turf.union(p, m))),
{ reverse: true }
)
tessel = turf.rewind(turf.tesselate(water_rewind.features[0]), {
reverse: true
})
classedSplitZ = clipFlat
.map(
(f, i) =>
f.map((m) =>
path(m)
.split("Z")
.map((s) => Polygon.fromPath(s))
.map((m) => m.getHatches(-PI / 3, 1.5, 0))
)
// .flat()
// .flat()
//
//
)
.flat()
.flat()
.filter((f) => f.length > 0)
.flat()
tiles = Promise.all(
xyz_tiles.map(async (t) => {
let data = new vt.VectorTile(
new Protobuf(
await d3.buffer(
`https://a.tiles.mapbox.com/v4/mapbox.mapbox-terrain-v2/${t.z}/${t.x}/${t.y}.mvt?access_token=pk.eyJ1IjoibGlmZXdpbm5pbmciLCJhIjoiYWZyWnFjMCJ9.ksAPTz72HyEjF2AOMbRNvg`
)
)
).layers;
t.data = Object.keys(data).reduce((initialData, key) => {
initialData[key] = {
type: "FeatureCollection",
features: [...Array(data[key].length).keys()].map((item, i) => {
let feature = data[key].feature(i).toGeoJSON(t.x, t.y, t.z);
return feature;
})
};
return initialData;
}, {});
return t;
})
)
tileArr = Promise.all(
xyz_tiles.map(
(t) =>
`https://a.tiles.mapbox.com/v4/mapbox.mapbox-terrain-v2/${t.z}/${t.x}/${t.y}.mvt?access_token=pk.eyJ1IjoibGlmZXdpbm5pbmciLCJhIjoiYWZyWnFjMCJ9.ksAPTz72HyEjF2AOMbRNvg`
)
)
height = 800
hillshade = tiles
.filter((t) => Object.keys(t.data).includes("hillshade"))
.map((h) => h.data.hillshade)
.map((h) => h.features)
.flat()
// diss.map((m) => m.map((f) => path(f)))
poly = hs_nest
.map((e) =>
e.values.map((v) =>
v.values
.map((h) => {
if (h.geometry.type != "Polygon") {
return turf.flatten(h).features.flat();
} else {
return h;
}
})
.flat()
)
)
.flat()
//.flat()
clipped = poly.map((p) =>
p
.map((o) => turf.intersect(tw_rew, o))
.filter((f) => f != null)
.map((m) => turf.rewind(m, { reverse: true }))
)
tw_rew = turf.rewind(twBigisland.features[1], { reverse: true })
hs_nest = d3
.nest()
.key(function (d) {
return d.properties.class;
})
.key(function (d) {
return d.properties.level;
})
.entries(hillshade)
Protobuf = require("pbf@3/dist/pbf.js")
d3 = require("d3-geo@1", "d3-selection@1", "d3-fetch@1", "d3-tile@0.0", "d3-scale@2.1.2", "d3-collection@latest")
path = d3.geoPath(projection)
clip = require("polygon-clipping@0.15.3")
turf = require("@turf/turf@latest")
vt = require('https://bundle.run/@mapbox/vector-tile@1.3.1')
import { Polygon, PI } from "@makio135/utilities"
xyz = require("https://bundle.run/xyz-affair@0.9.1")
twBigisland = FileAttachment("tw-bigisland.geojson").json()
science_parks = FileAttachment("science_parks.geojson").json()
addedscienceparks = FileAttachment("addedscienceparks.geojson").json()
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