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Geographic Visualization (GEOG 3540) - University of Iowa
Published
Edited
May 13, 2022
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// choropleth_4= {
// const svg = d3.create("svg")
// .attr("viewBox", [0, 0, width, height]);

// svg.append("g")
// .attr("transform", "translate(270,20)")
.append(() =>
/// legend({
color: nullcolorforlegend,
title: "Not Ranked",
width: 50,
tickFormat: ".1f"
})
);

svg.append("g")
.attr("transform", "translate(360,20)")
.append(() =>
legend({
color: color_4,
title: data_4.title,
width: 500,
tickFormat: ".1f"
})
);

svg.append("g")
.selectAll("path")
.data(states.features)
.join("path")
.attr("stroke", "black")
.attr("stroke-linejoin", "round")
.attr("stroke-width", 1)
.attr("fill", function(d){
console.log(color_4(data_4.get(d.properties.STATE_NAME)))
return color_4(data_4.get(d.properties.STATE_NAME));
})
.attr("fill", d => color_4(data_4.get(d.properties.STATE_NAME)))
.attr("d", path_1)
.append("title")
.text(d => " Coal Production (short tons) " + data_4.get(d.properties.STATE_NAME));

return svg.node();
}
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Purpose-built for displays of data

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