Lin.ear th.inking

I'm to announce that JTS 1.13 has been released.  It's available for download from SourceForge . There is a long list of new featu...

The always-readable Stephen O'Grady has an insightful post titled  Do Not Underestimate the Power of Convenience .  He proposes that an ...

The usual US election map is a starkly simplistic collection of red and blue blobs.  This does reflect the esoteric (to a Canadian) Electora...

Don Meltz initiated a fascinating flurry of performance evaluation with his post on Is QGIS a Viable Alternative to ArcGIS? and its followu...

Thanks to OpenGeo , last weekend I attended the OpenStreetMap State of the Map (US) conference in Portland, Oregon. It was a great conferen...

A while ago I posted on generating random point sets , and Sean Gillies suggested Halton sequences as a way of generating nice-looking poin...

Recently Sean Gillies and others have been looking at the concept of geometric simplicity as implemented in JTS /GEOS, specifically in the ...

A few thoughts on the Atlantic article on GooMaps ... I love the term "the deep map".  I'm not doing GIS any more - I'm...

After the warmup of rounds 1 & 2 of the Battle of the Spatial Scripting Languages , it's time to pick up the pace!  The last two r...

Ryan Tomayko has a post on how Ruby recapitulates AWK (or to be more biologically accurate, how it carries vestigial traits which reveal ...

Can't help but feeling a little smug about this post on using JTS in a Hadoop process for generating heatmaps for demographic data. ...

This post shows off a very cool image of global earthquakes since 1898.   No link to the source dataset, though.  That's unfortu...

The Japanese have figured out a way to let me avoid taking the garbage out on rainy winter evenings - a Rock-Paper-Scissors robot that alway...

Stefan Steineger of the OpenJUMP project  pointed out this great paper in Nature on The case for open compute programs .  The paper raises ...

I love this picture. Nowadays this functionality weighs only a few ounces, and we carry it in a pocket.

A peerless pastiche by SWWTMTOTH...  Try it, it works!  Go ahead, make it your homepage! Hands up all those who remember modem whistle...

Last week I was at FOSS4G-NA in Washington DC.  It was my first time in DC, and my first FOSS4G as a member of the OpenGeo team. Both were v...

In a comment to Battle of the Spatial Scripting Languages , Sean suggested that a slightly more in-depth test of language expressiveness mig...

Mobile computing is nothing new!  My first programmable device was a  TI-58  calculator: I spend many happy hours punching in the code f...

With the mobile meteorite looming ever larger over the landscape of Planet PC, it seems like a good time to recall some memories of the las...