bath: hacked learning night: introduction to cartodb

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your local open data project @bathhacked

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your local open data project@bathhacked

We make useful things

#learningmaps

Please share what you've made and learnt

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

Introduction to online mapping

Concepts, tools and libraries

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

B&NES open geographical data

Datasets for our local area

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...?

Safety Equipmentbit.ly/bath-safety

Area Classificationsbit.ly/banes-oa-classifications

Green spaces

Perry Harris Cartoonsbit.ly/bath-uhperry

Historical Mapsmaps.bathhacked.org

Getting started with Cartodb

Importing data, making & styling your first maps

Importing datasets

● Drag and Drop● Import and synchronise● Import from Socrata

Customise the base map

● User controls● Base maps● Adding text elements● ...

Presenting the data

● Customising the data display● Labelling and overlays● Adding layers● Publishing the map

Practical Session #1

Making and publishing your first 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

Advanced features of CartoDB

From maps to visualisations

From maps to visualisations

● Advanced Features● Getting the data types right● Visualisation wizards● Infowindow● Legend● CartoCSS● Filters● Basemap & options● Title, description & attribution

Practical Session #2

Making more advanced maps

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

Additional resources

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/

your local open data project