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You know how you can crank up the sense of drama and studio photography professionalism by switching over to portrait mode on your phone’s camera? It just looks…cool. The subject is in focus and the peripheral background content is blurry. It’s actually how our eyes and brains work, so it’s pleasing to see in photography. …
Sure, there’s a glorious drop shadow effect in the ever-more-capable ArcGIS Online Map Viewer to give features a sweet glow, BUT there’s no inner glow effect. How do we cast that beautiful glow inward? I’ll admit that I’ve been stumped by this one for longer than I care to admit, but then it just hit …
Here’s how you can make a map inspired by the glorious collaboration of geologist Marie Tharp and landscape painter Heinrich Berann. We’ll use ArcGIS Pro (injected with a special terrain toolbox provided by cartographer, author, and public figure Ken Field), its amazing raster functions and blend modes, and luscious bathymetry data from GEBCO. Let’s dive in! 0:00 a brief …
While there isn’t a direct way to symbolize a line feature in ArcGIS Pro to have a gradient that travels along its length (rather than across its width), there are a handful of workarounds to get you there. If your line is wiggly, you might have to try a more robust method, like split the …
Graphic designers! Here’s an easy way to grab beautiful accurate open map data for your design work. Real data. No tracing. Download vector map data as points, lines, and polygons, all styled and ready for your work in Illustrator or whatever program you use. Maps rule, and it’s too fun not to dive into the …
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Semiquincentennial is a word we will be hearing quite a bit over the next few years as the United States celebrates its 250th anniversary. The Revolutionary War’s 250th anniversary will be marked on April 19th of this year. On that day in 1775 British forces exchanged gunfire with local militia in Lexington and Concord, Massachusetts while attempting to seize munitions stored by the Massachusetts Provincial Congress, an alternate government set up by colonist outside of Boston. These skirmishes became full scale battles forcing the British to evacuate back to Boston. This map is literally close to home for me as I live along the route. -via US Army The map above is from the US Army which will also celebrate its semiquincentennial this year. The route through Lexington and Concord, known as the Battle Road is where thousands of Colonial and British troops fought a bloody battle on that day. This area is now known as Minute Man National Historic Park. The park’s web site provides a nice interactive map where you can click around the various historic sites within. To see the upcoming commemorations and related events visit Revolution 250 online.
An important 2013 article in published in Science, “An Update of Wallace’s Zoogeographic Regions of the World,” redivides the world’s faunal regions. The study is based on a sophisticated statistical and phylogenetic analysis of 21,037 species of amphibians, non-pelagic birds and terrestrial mammals. In the end, the authors split the world into 11 zoogeographic realms, […] The post How Does an Updated Map of Zoogeographic Regions Mesh with the Architecture of Continents? appeared first on GeoCurrents.
On the surface, there is little to distinguish small islands on continental fragments from oceanic islands that have no continental connections. Careful observation, however, can reveal some interesting differences. The Seychelles microcontinent in the Indian Ocean is an intriguing case in point. The islands sitting on this chunk of continental crust constitute a sovereign state, […] The post The Biological Significance of Micro-Continents: The Fascinating Caecilians of Seychelles (and Other Parts of the World) appeared first on GeoCurrents.
