The tiles created by the AWMC are graciously hosted on Mapbox servers, courtesy of ISAW, and are created by Ryan Horne from AWMC data produced by Richard Talbert, Jeffrey Becker, Ryan Horne, Ross Twele, Audrey Jo, Ray Belanger, Steve Burges, Luke Hagemann, Ashley Lee, and others.
Presented below is a list of our offerings along with a short description and some associated meta-data, followed by a brief code introduction. As usual, please contact us if you have any questions or suggestions (or if you have space to mirror the tiles!). All of our map tiles are released under CC-BY-4.0 and are completely free to use.
Code:
See here for code examples to use the tiles in an application.
Raw Data:
The raw data behind the tiles (shapefiles, rasters, etc) can be found here: http://awmc.unc.edu/awmc/map_data/
A quick warning for users of OpenLayers:
Since OpenLayers brings in Mapbox tiles in the xyz format, you will see many 404 requests by default. One way to avoid displaying these is by adding this .css to your application:
.olImageLoadError {
/* when OL encounters a 404, don't display the pink image */
display: none !important;
}
We have not yet figured out a way to avoid requesting these ties entirely, but when we do we will post it here.
Map Tiles:
Base Map:
Description: The AWMC base map. In addition to imagery derived from OSM and Mapbox, this map has the Inland Water, River Polygons, Water Course Center Lines, Base Open Water Polygons, supplemental water polygons (not listed below, for areas far outside of the scope of the Barrington Atlas ) layers. Please see the individual listings below for data citations. It is suitable for most applications when left on its own, or in combination with water polygons for a particular time period (archaic, Roman, etc).
Map ID: isawnyu.map-knmctlkh
Coast Outline:
Description: Coast outline of the ancient world, generally following the Barrington Atlas and built from VMap0 and OSM, with additional work by the AWMC.
Map ID: isawnyu.eoupu8fr
Roads:
Description: Ancient road networks, generally following the Barrington Atlas with additional work by the AWMC.
Map ID: isawnyu.awmc-roads
Benthos Water:
Description: A bathymetric map of the ocean floor, built from SRTM 30 PLUS (copyright notice here) with additional work by the AWMC.
Map ID: isawnyu.s5l5l8fr
Inland Water:
Description: Ancient inland water and other features, generally following the Barrington Atlas with additions from VMap0 and OSM and further work by the AWMC.
Map ID: isawnyu.awmc-inland-water
River Polygons:
Description: Significant rivers, generally following the Barrington Atlas with additions from VMap0 and OSM and further work by the AWMC.
Map ID: isawnyu.9e3lerk9
Water Course Center Lines:
Description: Lines following ancient rivers, generally following the Barrington Atlas with additions from VMap0 and OSM and further work by the AWMC.
Map ID: isawnyu.awmc-water-courses
Base Open Water Polygons
Description: Water polygons, generally following the Barrington Atlas with additions from VMap0 and OSM and further work by the AWMC. These are shared by all time periods.
Map ID: isawnyu.h0rdaemi
Archaic water:
Description: Water polygons which differ for the Archaic period only, generally following the Barrington Atlas with further work by the AWMC.
Map ID: isawnyu.yyuba9k9
Classical water:
Description: Water polygons which differ for the Classical period only, generally following the Barrington Atlas with further work by the AWMC.
Map ID: isawnyu.l5xc4n29
Hellenistic Water:
Description: Water polygons which differ for the Hellenistic period only, generally following the Barrington Atlas with further work by the AWMC.
Map ID: isawnyu.gq0ssjor
Roman water:
Description: Water polygons which differ for the Roman period only, generally following the Barrington Atlas with further work by the AWMC.
Map ID: isawnyu.ymnrvn29
Late Antiquity water:
Description: Water polygons which differ for the Late Antiquity period only, generally following the Barrington Atlas with further work by the AWMC.
Map ID: isawnyu.t12it3xr
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