Adventures with SD cards in the field

We got some variable results with SD cards in some recent fieldwork – cameras not taking photos as regularly as possible, transfer rates not as advertised – and some research turned up even more disturbing news about SD cards and what to watch out for. SD cards are cheap because they are fundamentally made of …

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QGIS on an Android tablet

Running QGIS on an android phone worked just fine – but running QGIS on an Android tablet is going to be a lot more useful, with a larger screen. I summarised the steps of installing QGIS on a Galaxy Advance (I9070) in a previous post, under Gingerbread (2.3.6); since then, there have been some issues …

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QGIS on Android phone: Installing

There is a more up-to-date version of this page detailing the installation on an Asus TF300T tablet here. I decided to try out QGIS on my Samsung Galaxy Advance – a little 4-inch screen, but why not? I’d run through the same process on an Asus TF300 tablet previously (much larger screen and more appropriate …

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Troubleshooting install of QGIS in OSX

Yesterday afternoon I found I couldn’t run QGIS at all – it kept crashing on startup, whenever it got to the splash page “loading plugins” bit. I tried restarting without plugins running (/Applications/QGIS.app/Contents/MacOS/QGIS –noplugins) but it would still crash when I went to the “Manage Plugins ‚Ķ” menu option, so no chance of turning them …

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Adding KML overlays to Google Mapmaker

Editing maps in Google Mapmaker has proved to be a bit of a challenge when there isn’t a good satellite image for the area. OpenStreetMap, by comparison, has a number of editing tools that let you directly use GPS data on-screen to edit roads (but it seems to be much less straightforward to get satellite …

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