Tagged: gis

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Tool partisanship sucks

Esri might not quite work like Apple. Ok, likely not at all. But I’m pretty sure the demo computers at the Esri User Conference are vetted thoroughly before the event. Yet, Seth Stark has posted the following on Twitter: So, some Esri employee was demoing...

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When NOT to use maps

Recently, I’ve stumbled across Noah Iliinsky’s Where 2012 talk When To *Not* Use Maps. The title immediately intrigued me. As a geographer and data consultant I’m convinced, an important part of my work lies in the question what tools best fit a purpose or a goal I...

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Catch-up

The Future of GIS according to Esri I’ve been a bit busy recently with, for example, attending the Esri Partner Conference and Developer Summit. If you are interested in the latest news from the GIS world, you can read a review by a colleague and...

Raster grid in flow direction analysis 2

Hexagons, quasi-maps and cartograms

Some months ago I mapped Switzerland’s administrative regions using a hexagonal cartogram. That idea was inspired by pioneering work of the Leicestershire County Council. After consulting with experts in the field – Leicestershire’s Alex Lea, Danny Dorling of Worldmapper (currently at the University of Oxford) and Adrian...

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Keynote about trends in GIS and visualization

People at Zurich electricity provider ewz have recently kindly invited me to give a keynote presentation at one of their telematics events. The task was to sketch emerging trends in GIS and visualisation from three perspectives: as GIS consultant at Ernst Basler + Partner, as...

Close-up view of the cartogram's hexagons 6

Creating a hexagonal cartogram

Some weeks ago I visualised the Swiss cantons (states) and their population numbers using what information visualization scientists call a linked view. You can click through to the actual, interactive visualization: here in German or here in French. In what follows I’ll describe the steps of data preparation for this visualization....

Types of cartograms 14

Conceptualisation of a D3 linked view with a hexagonal cartogram

Some weeks ago I visualised the Swiss cantons (states) and their population numbers using what information visualization scientists call a linked view. You can click through to the actual, interactive visualization: here in German or here in French. In what follows I want to give a bit more detail about what...

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Kite aerial photography gallery

Digital Photography School has a nice gallery of kite aerial photography (or KAP, as it’s called amongst insiders): I have to date built various kites myself and actually also one of the KAP rigs shown in the gallery and have done some KAP experiments myself....

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Flickr as a vehicle of narrative: photos contextualised in space and time

After my project proposal had been accepted, I have attended a workshop at ETH Zurich, titled “Cartography & Narratives” organised by Barbara Piatte, Sébastien Caquard and Anne-Kathrin Reuschel in last summer. The goal of the workshop was to explore “mapping as a conceptual framework to improve...

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Review of Swiss GIS Day 2012

As announced a while ago, I went to GIS Day in Zurich, Switzerland. On my employer’s blog, I have written up a review of the event in German. Head over to find out about interesting Switzerland-based GIS projects (in-browser-translation should be fine to get the gist,...

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Blog: MapBrief

Recently, a friend of mine pointed me to GIS-related blog that somehow had managed to fly under my radar: www.mapbrief.com by Brian Timoney. Timoney is principal of a Colorado-based consultancy, but his blog is not what you might expect when you hear ‘consultancy’. Some articles which sprang to my...

OpenStreetMap: A valid competitor to official base maps? 1

OpenStreetMap: A valid competitor to official base maps?

Still in last year, Cédric Moullet, amongst others MapFish and GeoExt contributor, sparked a discussion by his post “Why OpenStreetMap fails to replace official or proprietary base maps in a sustainable way ?” (note how this doesn’t sound like a question but bears a question mark...