Space-time Mapping New ways of exploring and explaining data Andy - PowerPoint PPT Presentation

Space-time Mapping New ways of exploring and explaining data Andy Eschbacher @MrEPhysics Map Scientist CartoDB

Visualizing Escape Scenarios From the Washington Post

Map by siggyf

#sunrise map See map here

See map here Map by Anti-Eviction Mapping Project

Bird Migration Mapping Map by Lifewatch INBO

Bird Migration Mapping Maps by EuroBirdPortal

global forest watch, http://www.globalforestwatch.org/

Animated Web Maps are hard … traditional data downloads lead to big bottlenecks What’s the minimal data dicing we can do?

Torque DataCube TIME z THINGS x flux capacitor for maps PLACES y slices of data on the client tiling data, data 3 slide by Aurelia Moser Platform Platform Platform Data services Data services Data services Your data Your data Your data

O O R R P P Fast Light Cached N N O O C C Slow for a lot of data Lossy slide by Aurelia Moser

Torque Timing TIME z floor(({column_conv} - {start})/{step}) aka (curr_time - min_time) / number_steps slide by Aurelia Moser

1.3M tweets Torque Encoding delta encoding 800K points gzip compression Editor Editor Editor binning by step slide by Aurelia Moser, graphics Javi Santana Platform Platform Platform Data services Data services Data services Your data Your data Your data

Windshaft, Torque Renderer.js: https://github.com/CartoDB/Windshaft/

Aggregation happens here

BROWSER CartoDB.js Odyssey.js Torque.js Leaflet/GMaps/OLayers EDITOR Varnish Stuff Maps API SQL API AWS Elastics CartoDB Server API AWS Elastics Mapnik Torque Redis RESTAPI ImportsAPI PostGIS PostgreSQL PostgreSQL/PostGIS slide by Aurelia Moser

Experiments with Torque’s renderer See Torque’s render code

Torque with Labels Map by Stuart Lynn

Torque with Vectors Map by Stuart Lynn

Multivariate Torque Map by Stuart Lynn

Isoline Tests work by Francisco Dans

Isoline Tests work by Francisco Dans

Isoband Tests work by Francisco Dans

Torque with D3 work by Javi Santana

Fork Torque today and make a renderer https://github.com/CartoDB/torque

Thank you to Javi Santana, Stuart Lynn, Francisco Dans, and Aurelia Moser for helping with materials for this talk. View my slides at http://bit.ly/cdb-torque