Understanding GeoJSON data
GeoJSON files are a standard way of storing GIS data These contain not only the coordinates but also the attribute data. These files have a… Read More »Understanding GeoJSON data
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Removing and Updating GEOJSON Layers in Leaflet Maps, Using LayerGroups in Leaflet
Use Case: To show state boundaries in country map. When a state is selected, show district boundries within that state. If a new state is… Read More »Removing and Updating GEOJSON Layers in Leaflet Maps, Using LayerGroups in Leaflet
Making a HTML Table from GeoJSON data
GeoJSON objects have a “Type” : “FeaturesCollection” property and a “Features” property whose value is an array of objects. Each child object of this has… Read More »Making a HTML Table from GeoJSON data
Loading GeoJSON data with Leaflet Maps
Loading GeoJSON data files can be network intensive if the GIS data has good resolution or if the number of features being added is high.… Read More »Loading GeoJSON data with Leaflet Maps
India GIS Map with Leaflet
We will use Leaflet.js to make a map of India. This uses a GeoJSON dataset for India which has been simplified using www.MapShaper.org. The states… Read More »India GIS Map with Leaflet