Created
August 5, 2023 14:42
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Erq topojson example 元データ https://geoshape.ex.nii.ac.jp/ka/topojson/2020/12/r2ka12207.topojson 元データのライセンス https://www.e-stat.go.jp/terms-of-use
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| -- erq <matsudo-population-density.erq > matsudo-population-density.svg | |
| topojson_feature(readfile('r2ka12207.topojson'), 'town') | |
| {*, unpack properties {KEY_CODE, AREA, JINKO}} | |
| {*, population_density: JINKO / AREA * 1000000} | |
| output vega lite svg with | |
| projection mercator, | |
| mark geoshape, | |
| encoding { | |
| color: population_density q {title: "人口密度[人/km²]"} | |
| }, | |
| options {width: 800, height: 600};; |
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