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Agenda
● 6.30 Introduction● 6.40 Introduction to online mapping● 6.50 B&NES Geographical Data● 7.00 Getting started with CartoDB● 7.20 Practical Session #1● 7.40 Advanced features of CartoDB● 8.00 Practical Session #2● 8.20 Wrap-up & Final Questions● 8.30 Close
Concepts
● Point● Single location, specifed as lat, long
● Polygon● An area, specified by a boundary
● Basemap● The background of the map, e.g. satellite imagery, OS or OpenStreetMap
● Layer (Vector or Raster)● Collection of points, or polygons
A Gentle Introduction to GIShttp://docs.qgis.org/2.8/en/docs/gentle_gis_introduction/
Mapping Tools
● Socrata● http://data.bathhacked.org
● Google My Maps● https://www.google.co.uk/maps/d/u/0/
● Google Fusion Tables● http://tables.googlelabs.com
● Tableau Public● http://public.tableau.com
...and many others
Data Formats
● CSV● Usually with lat,long in single or separate columns
● GeoJSON● Best for working with online tools
● Shapefiles● Well supported across all GIS tools
● KML● Mostly used in Google Maps &Google Earth
● GML● Powerful, but complex open standard
Libraries
● Leaflet● http://leafletjs.com/
● OpenLayers● http://openlayers.org/
● OS Openspace● https://www.ordnancesurvey.co.uk/business-and-
government/products/os-openspace/
...and many others
Data about B&NES
● In the datastore● Tagged as geography, locations and/or poi
● Our geographic data collection● http://bit.ly/bh-geo● 110 layers, all in geojson format● B&NES, DCLG, DECC, Defra, ONS, OS, National Trust, Ofcom, …
Largest collection of local geographic open data in the UK...?
Presenting the data
● Customising the data display● Labelling and overlays● Adding layers● Publishing the map
Creating your first map
● 15 minute exercise● Try creating your first map
● https://bathhacked.cartodb.com/datasets● http://bit.ly/bh-geo● https://data.bathhacked.org● ...or use your own?
● Customise the basic layout and data presentation
● 5 mins for questions & commons
From maps to visualisations
● Advanced Features● Getting the data types right● Visualisation wizards● Infowindow● Legend● CartoCSS● Filters● Basemap & options● Title, description & attribution
Creating a visualisation
● 15 minute exercise● Try creating a more complex visualisation using the advanced features● https://bathhacked.cartodb.com/datasets● http://bit.ly/bh-geo● https://data.bathhacked.org● ...or use your own?
● 5 mins for questions & comments
Wrapping up
A Gentle Introduction to GIShttp://docs.qgis.org/2.8/en/docs/gentle_gis_introduction/
Visualising Data without Codehttps://www.youtube.com/watch?v=256f59vK0_U
CartoDB Map Academyhttps://cartodb.com/academy/
QGIShttp://www.qgis.org/en/site/