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Sorami Hisamoto
Interested in data visualization and tools for thought.
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By
Sorami Hisamoto
Edited
Jan 25, 2024
1
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topology
=
{
const
response
=
await
fetch
(
"https://raw.githubusercontent.com/smartnews-smri/japan-topography/main/data/municipality/topojson/s0010/N03-21_01_210101.json"
)
;
return
response
.
json
(
)
;
}
Insert cell
land
=
topojson
.
feature
(
topology
,
topology
.
objects
[
"N03-21_01_210101"
]
)
Insert cell
allCoords
=
land
.
features
.
map
(
(
d
)
=>
d
.
geometry
)
.
flatMap
(
(
d
)
=>
d
.
coordinates
.
flat
(
)
)
Insert cell
lonExtent
=
d3
.
extent
(
allCoords
.
map
(
(
d
)
=>
d
[
0
]
)
)
Insert cell
latExtent
=
d3
.
extent
(
allCoords
.
map
(
(
d
)
=>
d
[
1
]
)
)
Insert cell
Insert cell
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topology
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land
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