Web mapping: Difference between revisions

Revision as of 10:31, 17 October 2024

Revision as of 10:34, 17 October 2024

Line 22:

===Animated and realtime===

Realtime maps show the situation of a phenomenon in close to [[Real-time computing|realtime]] (only a few seconds or minutes delay).<ref>{{Cite book|title=Painting the Web|last=Powers, Shelley.|date=2008|publisher=O'Reilly|isbn=9780596515096|oclc=191753336|url-access=registration|url=https://archive.org/details/paintingweb00shel}}</ref> They are usually animated. Data is collected by sensors and the maps are generated or updated at regular intervals or on demand.

[[Animated mapping|Animated maps]] show changes in the map over time by animating one of the graphical or temporal variables.<ref>{{Cite book|title=Web cartography : map design for interactive and mobile devices|last=Muehlenhaus, |first=Ian, 1976-|isbn=9781439876220 |oclc=706022809 |date = 2013-12-10 |publisher=CRC Press }}</ref> Technologies enabling client-side display of animated web maps include [[Scalable Vector Graphics|scalable vector graphics]] (SVG), Adobe Flash, Java, QuickTime, and others. Web maps with real-time animation include weather maps, [[traffic congestion map]]s and vehicle monitoring systems.<ref name="Temporal Animated Maps"/>

[[CartoDB]] launched an open source library, Torque,<ref>{{citeCite web |url=https://github.com/cartodb/torque|title=GitHub - CartoDB/torque: Temporal mapping for CartoDB |websitepublisher=[[GitHub]] |date=2019-02-13}}</ref> which enables the creation of dynamic animated maps with millions of records. Twitter uses this technology to create maps to reflect how users reacted to news and events worldwide.

===Collaborative web maps===