Скачать или смотреть Mapping and filtering data with LeafletJS

Leaflet is a fantastic JavaScript library for creating, among other things, map visualisations. In this video, we visualise data from a spreadsheet of doctors' practices, and add two methods for filtering the data.

You can find links and show notes here: https://creatingwithdata.com/mapping-...

0:00 Introduction
2:50 Base template walkthrough
5:32 Dynamically adding circles to the map
11:00 Fetching remote data
16:10 Adding circles using remote data
20:50 Colour coding categories (SIMD index)
26:50 Adding a categorical drop-down control for filter
37:00 Refactoring and hiding unselected data using layerGroup
43:15 Adding a numeric filter (no. of prescriptions) control
52:49 Combined filter logic
1:02:10 Conclusion and a pattern for filter logic