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Trase
Trase is a supply chain transparency initiative that seeks to transform our understanding of how companies and governments involved in the trade of agricultural commodities are linked to impacts and opportunities for more sustainable production
Published unlisted
Edited
Aug 10, 2022
1
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# Soy deforestation in South America in 2019
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vis = html`
${title}
${chart}
${legend}
`
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// set zoom and coordinates here
initalView = ({
lat: -30,
lng: -60,
zoom: 5
})
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mapHeight = 600
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scrollWheelZoom = false // keeping scrollWheelZoom disable is a good idea for Trase Insights
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fitToLayerBounds = false // if you want the map zoom to fit your data layers
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viewof regionsSelect
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regions = [
{
country: "ARGENTINA",
region_type: "DEPARTMENT"
},
{
country: "BRAZIL",
region_type: "COUNTRY"
},
{
country: "PARAGUAY",
region_type: "DEPARTMENT"
},
]
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// selectedRegion = regionsSelect
selectedRegion = regions.map((r) => {
return regionsMetadata.find(
(md) => md.country === r.country && md.region_type === r.region_type
);
})
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valueCol = "VALUE"
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keyCol = "TRASE_ID"
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valueTitle = "Soy deforestation"
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valueUnits = "ha"
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data = FileAttachment("past_soy_deforestation_2019@1.csv").csv({
typed: true
})
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md`## Code:`
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dataMap = new Map(
data
.filter((d) => {
const regionId = String(d[keyCol]);
// ignore regions with XXXXXXX id, which are domestic consumption
if (regionId !== "XXXXXXX" && regionId !== "XX") {
return d;
}
})
.map((d) => {
const regionId = String(d[keyCol]);

return [regionId, +d[valueCol]];
})
)
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colourScheme = trasePurples
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colour = d3.scaleSequential(
d3.extent(dataMap, ([, v]) => v),
d3.interpolateRgbBasis(colourScheme[9])
)
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numberFormat = ".2~s"
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format = (value) =>
Math.abs(value) < 1 ? d3.format(".2r")(value) : d3.format(numberFormat)(value)
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tooltipKey = `${valueTitle} ${valueUnits ? `(${valueUnits})` : ""}`
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features = getFeatures(selectedRegion)
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## Appendix
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L = require("leaflet@1.7.1")
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html`<link href='${resolve(
"leaflet@1.7.1/dist/leaflet.css"
)}' rel='stylesheet' />`
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topojson = require("topojson-client@3")
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import {
traseColours,
traseOrangesco,
trasePurples,
fonts
} from "@trase/visual-id@1366"
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import { legend as legendTemplate } from "@trase/legends@376"
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import { titleCard } from "@trase/title-card"
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import {
viewof regionsSelect,
regionsMetadata,
getFeatures
} from "@trase/regions-picker"
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