Reprojecting shapefiles with ogr2ogr
If you have an ESRI Shapefile (.shp) that you want to reproject, you can use ogr2ogr ogr2ogr -t_srs newfile.shp oldfile.shp The EPSG code could be for instance epsg:28532.
Creating a word cloud from PDF documents
Warning: This is not the hardest way to create a word cloud from pdf-documents, but it’s up there. Say you have directory containing pdf documents: $ ls a.pdf b.pdf c.pdf …
Easy two column layout in latex
Include the packages. The blindtext package is just an easy way to type Lorem ipsum etc. \usepackage{multicol} \usepackage{blindtext} Make a two column section of a page. \begin{multicols}{2}[\textbf{Example for a two column text}] \blindtext \end{multicols}
If only more people wrote like Lamport
I’m half way through the Part-time parliament on Paxos article by Leslie Lamport. It is an article that describes a three-phase consensus protocol by telling a story of a (fictional) parliement on the greek island of Paxos, complete with fat…
Show system info on a Mac
SYSTEM_PROFILER Show a very long list of details about your machine and kernel (verbose output) system_profiler
How to monitor system stuff on Mac
Found this nice post on good commands to know appart from the obvious top Basically they are top and vm_stat 5
Finding the most quoted main author using linux command line
I have a text file containing article references. It looks like this – Miller HJ (2004) Tobler’s First Law and spatial analysis. Ann Assoc Am Geogr 94:284–289. – Onsrud H, ed (2007) Research and Theory in Advanced Spatial Data Infrastructure…
Sticking bicycle paths in CouchDB
In this installment of How To Stick Anything In CouchDB, I’ll take some bicycle path data released by the municipality of Copenhagen and stick them in CouchDB. As always I’m working in Terminal under Mac OS X. Bicycle paths in…
How to create JSON data from a text file on the internet
The following assumes a linux command line to be present (or Mac OS X terminal in my case). I want to wrangle text from the internet, turn it into JSON data, and ultimately stick it in CouchDB. Here I’m trying…