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Tag: Leaflet

Posted on May 30, 2017November 13, 2017

Displaying YOUR GIS data in a leaflet map (pt 2 – lines and polygons)

This video shows how to load your line and polygon GIS data into a leaflet web map, This requires using the Leaflet.Ajax plug-in. I also demonstrate the basics of styling and filtering line and polygon data. Continue reading “Displaying YOUR GIS data in a leaflet map (pt 2 – lines and polygons)”

Posted on May 26, 2017November 13, 2017

Displaying YOUR GIS data in a leaflet web map (pt 1- Points)

This video shows how to export your GIS data to a GeoJSON text file and load it into a leaflet web map, This requires using the Leaflet.Ajax plug-in. I also demonstrate the basics of styling and filtering point data. Continue reading “Displaying YOUR GIS data in a leaflet web map (pt 1- Points)”

Posted on May 18, 2017November 13, 2017

Client Server Architecture for Web GIS

How is programming for the web different than programming for a single computer?

If you want to create web GIS applications you need to understand the basics of client-server architecture

What does the client do?
What does the server do?
How do the client and server communicate?
What implications does all of this have for web GIS applications?

Continue reading “Client Server Architecture for Web GIS”

Posted on May 10, 2017November 13, 2017

What is GeoJSON and why should you care?

GeoJSON is a core technology in web GIS. It allows vector data to be stored in a text-based format that is easily handled in JavaScript, sent across the internet, or stored in a database (including web storage). Continue reading “What is GeoJSON and why should you care?”

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