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10.12 arccatalogue arcmap arcpy bash basin_analysis code command_line computing courses data esri exploration formats gateways geodynamics geophysical_methods geos3104 gis gmt gplates gplates_courses homebrew macos paleogis plate_tectonic plate_tectonics plates postgis postgresql public python qgis quick_and_dirty reconstructions rift rifting scripting seismic signal_processing snippets software standards structural_geology teaching tectonic_waters tectonics unix wells windows
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Basement dykes in Panafrican crust, Sinai Peninsula

Tectonic waters

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Drawing a line

A new series of prime examples for software with bad UI - today: Trying to generate an annotated line for strike-slip faults in ArcMap 10.4. It takes a serious number of 5 (repeat F-i-v-e!) windows that need to be opened to change the marker style symbol along a line to generate the symbology for what is going to be a strike slip fault. Oh, and of course one needs to read up quickly on the web on how to do it in the first place if you haven't done this in a while. I mean, seriously ESRI? Yes, Windows was exciting back in 1996, but hey, it's 2017… In QGIS all the symbology is located in one window and the whole interface is pretty intuitive. What's the reason again that corporate IT can not sponsor efficient, open source software?

The joys of working with ArcMap - it needs 5 open windows to change the arrow style along a strike slip fault symbology...

2017/08/29 14:53 · christian · 0 Comments
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Updated PostgreSQL-PostGIS install instructions

I have updated my installation instructions for PostgreSQL/PostGIS on macOS - see the PostgreSQL and PostGIS page for details.

2017/06/21 08:25 · christian · 0 Comments
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Uncertainty estimates?

Old, but still true…

XKCD File extensions

Source: XKCD

2017/04/02 20:31 · christian · 3 Comments
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Exploration Tectonics 2017

The 2017 version of the Exploration Tectonics course will be taught in Bochum from 07-09.August 2017, during the 2nd or 3rd week of the summer semester break. More info and updates on the course page over the next few weeks.

2017/03/01 23:27 · christian · 0 Comments
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GPlates: Coloring features by absolute age using the Geological Time Scale colours

Colour features by absolute ages in GPlates reconstructions

When making reconstructions in GPlates one often wants to colour features by their geological age. Using the colour scheme of the Geological Time Scale is a way accepted by the community to associate absolute (and stratigraphic) ages with colour. When reconstructing data in GPlates using the default FeatureAge option for styling, however, features “grow older” as the colouring is applied relative to age of the feature, depending on reconstruction age. As most geoscientists are cognitively tuned to more static maps, changing colours with age can be quite confusing. Here's a recipe to maintain constant or “absolute” age colouring in GPlates when reconstructing data.

→ Read more...

2017/01/09 15:59 · christian · 1 Comment
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