The Journal of Maps has named their Best Map of 2017. Their choice for map of the twelvemonth is a menstruum map visualization of people moving betwixt U.S. states. The map for certain proved an inspiration to a reveal of cartographers this year.
Migration inwards the U.S. 2009-2013, which nosotros starting fourth dimension featured on dorsum inwards May, uses menstruum lines to visualize the numbers of people moving betwixt unlike states inwards the USA. It includes options to encounter which states accept the biggest exchanges of citizens as well as to persuasion the most pop nation destinations for each private state.
The U.S. Migration Flow Map is an example of a "force-directed method to automatically position out migration flows". This method has been designed to bring down clutter as well as amend readability when using menstruum lines on a map. You tin read to a greater extent than virtually the blueprint principles behind the method inwards Automated layout of origin–destination menstruum maps: U.S. county-to-county migration 2009–2013 inwards the Journal of Maps.
I starting fourth dimension stumbled across the U.S. Migration Flow Map inwards a link inwards the introduction to Sarah Bellum's Canvas Flowmap Layer. This pop ArcGIS JavaScript API library allows y'all to map objects flowing from i place to another.
The library uses Bezier curves to visualize the travail of objects on an interactive map. One role of using Bezier curves is that y'all tin present the direction of menstruum yesteryear using either a convex or concave plication on your menstruum line.
The ArcGIS flowmap layer inwards plough inspired the Leaflet.Canvas-Flowmap-Layer. You tin run out a non bad thought of what y'all tin attain amongst the Leaflet.Canvas-Flowmap-Layer on this fully adjustable demo map. The map provides a visualization of airdrome destinations using animated Bezier curves. It includes a reveal of options which demonstrate the arrive at of animation options provided amongst the Leaflet flowmap layer.
