Saturday, 27 February 2010


Following on from the previous post, I dug out some of my previous work, did a bit of experimenting, editing and touching-up to produce some new geovisualizations. I believe that geovizualisation is about more than just making pretty maps - it is about communicating a lot of spatial data in an effective way, which could not otherwise be easily digested.

In short, geovisualization is part spatial data analysis, part graphic design, part art. In this post, I've tried to use a combination of techniques in order to produce the set of images below. The data displayed is commuting for wards in North West England in 2001. I used a GIS to create the raster images and convert them to 3D, I used some image editing tools to add labels, and I used some more advanced techniques for the colour/grey background focus ones.

Click on the individual images to view in full size at best resolution - the smaller versions below are not super high quality. Areas with high red spikes = areas of high in-commuting and blue = areas of high out-commuting. In effect, the red areas are where people work and the blue areas are where people live, though in reality there is of course some overlap.

Image 1 - Commuting in NW England, 2001

Image 2 - Same image as above, but with labels

Image 3 - Same image, with different colours

Image 4 - More colour experimentation

Image 5 - Colour focus area for Manchester

Image 6 - Colour focus area for Liverpool