March 2016 basemap updates

March 4, 2016 Paul Heersink

The latest updates to the imagery and topographic basemaps on ArcGIS Online include some fabulous Canadian content.

The imagery and topographic basemaps on ArcGIS Online were updated this week with some content from new and existing Canadian contributors. All of these new contributions really help improve the basemap and expand our Canadian content. To date, more than 70% of the populated areas in Canada are covered by provincial and municipal participants in the Community Maps Program.

Four locations in southern New Brunswick were updated with imagery from 2014 or 2015. The imagery was provided by the province and has a resolution of 7 cm or 7.5 cm.

Service New Brunswick imagery contribution extents published with this update.

50 cm imagery from 2010 (left) has now been replaced with 7.5 cm imagery from 2014 (right) in the Moncton, NB area.

In Québec, the MRCs of Charlevoix and Charlevoix-Est contributed 30 cm imagery from 2012, an improvement over the 50 cm imagery from 2011 that previously existed.

New imagery contributions from Charlevoix and Charlevoix-Est (right) have made the imagery basemap a little clearer.

Finally, our last imagery contribution for this update comes from the County of Vermilion River in Alberta. They have contributed 40 cm imagery from 2015 to replace their previous contribution of 50 cm imagery from 2011. In addition, some communities in the county now have 10 cm imagery.

Updated imagery from the County of Vermilion River (right) shows some of the urban growth in Lloydminster.

On the topographic basemap side, two new contributors were published and one existing contributor was updated. All three communities are from Ontario. The counties of Lambton and Bruce each provided data that included transportation features, parcels, buildings and parks. This data, supplemented with data coming from the province’s open data site, have significantly improved the content of the basemap.

Petrolia, located in the County of Lambton, before and after the update. New municipal and provincial data contributions (right) are now included in the basemap for this area.

The City of Cornwall, a long time contributor to the Community Maps Program, provided updated content for inclusion in the basemap. Additional detail includes parking lots and vegetation.

Cornwall, ON now has parking lots in their latest update (on the right).

Do you want to learn more about the Community Maps Program? Be sure to tune into our free Webinar on April 21, 2016.

About the Author

Paul Heersink

Paul Heersink is a cartographer and Production Manager of Esri Canada’s Community Maps Program: an initiative that is aiming to build a seamless topographic basemap using contributor data. He has over 15 years of cartographic experience, working in both the public and private sectors. Paul has always been interested in mapping and drew his own atlas at the age of 10. He took a detour in his career through the fields of psychology and social work before returning to cartography.

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