Comments (4)
@pvictor you're right, there was a bug in the lib, in which changes to label
or tooltipContent
were not being taken into account. This is now fixed, so your example above should work in v1.0.6
.
Thanks for the report!
from cartogram-chart.
@pvictor thanks for putting together this R wrapper. Looks great!
About the tooltip update, on select change you are changing the .value()
accessor, but not the .label()
so it still shows the same format as when it was initialized.
You probably just have to do:
$('#select').on('change', function() {
selectValue = this.value;
carto
.value(function(d) { return d.properties[selectValue]; })
.label(function(d) {
return "Population of" + d.properties.name + "(" + d.properties[selectValue] + ")";
})
});
from cartogram-chart.
Thanks for your reply. This doesn't seems to work or I'm doing someting wrong (my JS skills are limited)
Here an adaptation of your world example :
<head>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.11.0/d3.min.js"></script>
<script src="https://unpkg.com/cartogram-chart"></script>
</head>
<body>
<div class="form-group">
<label class="control-label" for="select">Value:</label>
<div>
<select id="select" class="form-control">
<option value="POP_EST" selected>POP_EST</option>
<option value="GDP_MD_EST">GDP_MD_EST</option></select>
</div>
</div>
<div id="world"></div>
<script>
d3.json('./ne_110m_admin_0_countries.json', (error, world) => {
if (error) throw error;
// exclude antarctica
world.objects.countries.geometries.splice(
world.objects.countries.geometries.findIndex(d => d.properties.ISO_A2 === 'AQ'),
1
);
const colorScale = d3.scaleOrdinal([...d3.schemeCategory20, ...d3.schemeCategory20b, ...d3.schemeCategory20c]);
carto = Cartogram()
.topoJson(world)
.topoObjectName('countries')
.iterations(60)
.value(({ properties }) => properties.POP_EST)
.color(({ properties: { ISO_A2 } }) => colorScale(ISO_A2))
.label(({ properties: p }) => `Population of ${p.NAME} (${p.ISO_A2})`)
.valFormatter(d3.format(".3s"))
.onClick(d => console.info(d))
(document.getElementById('world'));
document.getElementById("select").addEventListener("change", function() {
var selectValue = document.getElementById("select").value;
carto
.value(function(d) {
return d.properties[selectValue];
})
.label(function(d) {
return "Population of" + d.properties.name + "(" + d.properties[selectValue] + ")";
})
}, false);
});
</script>
</body>
from cartogram-chart.
Amazing ! Many thanks !
from cartogram-chart.
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