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Publish versus Export: Scale-dependent Visibility and User Experience

Publish versus Export: Scale-dependent Visibility and User Experience

March 6, 2017

By George Demmy

We recently got a question from a customer asking how to create GeoPDF maps that have features that turn on or off as you zoom in like the USGS US Topos do. Maps for America! I love it! But I digress. This behavior is something that most Web mapping or GIS types understand intuitively – when you’re zoomed out at a continental view, you don’t see Buford, Wyoming but you do see states and the like. However, when you zoom in, at some point, you see Buford and its Ames Brothers Pyramid. Some features in the US Topos have this scale-dependent property and it’s essential for the usability of those maps. Cartography is not the art and science of putting stuff at the geographically correct position relative to each other on a map – it’s making that geo-contextualized information useful. For the creation of PDF maps, this is where TerraGo Publisher really helps.

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Work where you need to…Even Over the Edge (of the Network)

Work where you need to…Even Over the Edge (of the Network)

February 17, 2017

By George Demmy

TerraGo’s roots go back to the time where you could look at maps online, plan routes, etc., but if you wanted to take it with you, you had to print it out. Similarly, special purpose maps and drawings, such as those made by a CAD or GIS system (remember AM/FM?), you had to print them out on large sheets of paper and stack and bind them into a literal, physical map book. And, if you were working in a remote location in support of conflict, humanitarian assistance, emergency response, etc, you had to print out all of the relevant maps in their many, many duplicate copies, load them on a plane, and fly them to the area of interest.

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3D GeoPDF is (still) a great way to get your intel out there

3D GeoPDF is (still) a great way to get your intel out there

January 19, 2017

By George Demmy

Adobe introduced the ability to embed 3D content in PDF documents with the specification of the Portable Document Format 1.6 in November 2004 and supported it with its release Adobe Acrobat and Reader version 7 in January 2005. In technology terms, this is old, bordering on prehistory for some. I mean, it seems most folks don’t remember the world before the iPhone which is only just 10 years old this month. Yet, people still discover this capability, and it still generates interest, and even awards through its clever implementation.

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New Zero-Code Location-Based Apps Supports the Geospatial Revolution

New Zero-Code Location-Based Apps Supports the Geospatial Revolution

January 17, 2017

By Mike Gundling

The growing use of mobile apps to streamline data collection and take advantage of emerging uses of GPS and GIS platforms has spawned demand for development that is tasking IT departments’ time and resources.

The demand can only increase.

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