World 30 metre DEM launched

A 30m Digital Elevation Model (DEM) covering 99% of the Earth’s surface has been launched. The data will be free to download and use, and will be more detailed than data from the Shuttle Radar Topography Mission (SRTM) that has a resolution of 90m. The data should be suitable for creating large scale maps containing [...]

Big mac statistics in a cartogram

Let’s look at the price of a Big Mac around the world… Now more than ever one of the most popular ways of displaying statistical information is in the form of a cartogram. A cartogram is basically a type of thematic map in which the areas of spatial features are distorted in proportion to the value [...]

Top 5 Google Mashups - Travel

In recent years the Google Mashup has become integral to any website displaying location based information. This is my top 5 travel google mashups. 1. Go Gap Year :www.gogapyear.com/travel-essentials/world-map. Easy to navigate and clear icons providing useful information and photos for all Gap Year Travellers 2. Zoom and Go : www.zoomandgo.com/default.asp . Does what it says on [...]

Avoid natural disasters thanks to the UN

The U.N has recently commissioned a project that seeks to reduce number of deaths from natural disasters all over the world by half. Information on the most and least risky places for natural disasters are being displayed geographically on an interactive map. The interactive map serves as an information point for people seeking to avoid disasters [...]

Vodafone holiday map fuelled by twitter

This week mobile phone network Vodafone have unveiled a new map using google maps and twitter’s freely available API to create a map from peoples tweets. All you have to do is tweet using the prescribed format which includes stating where you live and the destination you are holidaying at this summer. Once registered the [...]

Lights, camera and action!

We’re soon to be creating and uploading some online video content for the new GIS section on lovelljohns.com. We’re going to be recording some free GIS tips and some live demonstrations to help general GIS users, our clients and potential clients understand a bit more about GIS. We’ll be blogging our progress and producing some exclusive [...]

Mapping Diseases

As the pandemic alert for swine flu (H1N1) is raised to its highest level by the World Health Organization, mapping is playing an important role in understanding and reporting the spread of the disease and the effects of global travel. This may seem like a recent advance due to technologies such as GIS, however mapping [...]

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