Comments (3)
Hi Bruno,
first, it would be great if you could wrap your code into three backticks (`) - it's more comfortable to read.
The ChartDataLayer still got some bugs (e.g. dynamic color binding), so as a new fan of DVF I'll probably start there for more enhancements. Eventually your problems will be addressed there, too.
As a test you could try using this snippet from the Wiki:
var legendControl = new L.Control.Legend();
legendControl.addTo(map);
Is there still no radius legend?
Best regards,
Stephan
from leaflet-dvf.
Bruno,
At the moment, there's no built in way to make the PieChartDataLayer automatically display the radius legend in addition to the category legend. As Stephan was mentioning, there's still a lot of work to be done there. I haven't tried this, but for now, you could implement this yourself by passing in a getLegend option to PieChartDataLayer. In the getLegend method, you could call the code for generating the pie chart legend as well as the normal DataLayer legend code. Here's some code that might work (completely untested):
var pieChartLayer = new L.PieChartDataLayer(data, {
...
getLegend: function (legendOptions) {
// Call ChartDataLayer _getLegend
var chartLegend = L.ChartDataLayer.prototype._getLegend.call(this, legendOptions);
// Add code for calling DataLayer _getLegend
var dataLayerLegend = L.DataLayer.prototype._getLegend.call(this, legendOptions);
// Combine legend HTML as necessary
var $legend = $('<div></div>');
$legend.append(chartLegend);
$legend.append(dataLayerLegend);
return $legend.wrap('<div/>').parent().html();
}
});
I'll include a fix in the next push that will make this work, but let me know if the temporary workaround makes sense and actually works.
Thanks,
Scott
from leaflet-dvf.
Hi Scott,
your completely untested code worked perfectly without any modifications!
Thanks a lot!
Bruno
from leaflet-dvf.
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from leaflet-dvf.