Pie chart RDW filter op andere dataset

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Pie chart RDW filter op andere dataset

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Last edited Nov 12, 2020

Created on Nov 12, 2020

Forked from Pie chart RDW With help from Laurens

This example visualizes the distribution of parking data usage years from the RDW open dataset, filtering by the `usageid` and `startdataarea` columns, and aggregating counts per year into a pie chart. It fetches data from the RDW API via `fetch`, filters and maps values with custom functions, then uses `d3.pie`, `d3.arc`, and `d3.scaleOrdinal` with `d3.schemeCategory10` to render the SVG slices. Labels are placed using `arc.centroid`, and the chart displays unique year values as text on each segment. The dataset is retrieved from `opendata.rdw.nl` with a CORS proxy.

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Thanks to https://www.youtube.com/watch?v=lnXf1mpFGb8&t=50s&ab_channel=FrontendTips

MIT Licensed

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