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Global Mapper - geology symbols supported in version 10,02

Posted by Maurizio on 02 Feb 2009 | Tagged as: GIS software, GPS, Google Earth, NASA WorldWind, Virtual Globes

Global Mapper has added in version 10,02 the ability to easily create strike-and-dip (geology) points by right-clicking in the Digitizer Tool. You can now place your strike-and-dip points and specify the dip value, azimuth angle, and symbol to use and get the appropriate symbology displayed on the map. In addition point symbols can now be rotated by a user-specified angle and custom area fill styles can now be added from image files.

These additions have finallty evolved Global Mapper into an affordable, excellent and easy-to-use geology mapping tool.

Global Mapper is a comprehensive software package capable of manipulating, and view in true 3D, most raster, elevation and vector formats as well as accessing with ease online (including WMS) sources of imagery, topographic maps, and gridded terrain data. Furthermore it also supports data export to World Wind, Virtual Earth, Google Earth and Google Maps.

Global Mapper v10.02 can be downloaded at .
Just download that file and run it to install v10.02. It will also install over any existing Global Mapper v10.xx version.

Global Mapper v10.02 is a free upgrade for registered users of any Global Mapper v10.xx product.

Registered Global Mapper v9.xx users can purchase an upgrade licence.
Without a licence Global Mapper can be used in demo mode.

For help in getting started Click Here for the User’s Manual and a series of Video Tutorials.

For a licence at discounted price contact

SWALIM WorldWind add-on for Somalia

Posted by Maurizio on 23 Apr 2007 | Tagged as: GPS, Maps, NASA WorldWind, Satellite Imagery, Virtual Globes

When SoMAP: webmap for Somalia crisis  was released a WorldWind add-on was anticipated to follow. The release of Chad’s Mogadishu Refugee Migration World Wind Add-On required background maps and image data … it had to be done! ;)

Somalia SWALIM add-on essentially comprises of the same data as SoMAP for 3D viewing in WorldWind:   a set of topographical maps covering Somalia in 100k and 200k resolution, Vector data of Mogadishu streets and general data, and displays areas affected by flooding. In addition selected areas also have 60cm/px Quickbird imagery provided by DigitalGlobe. 

Since SWALIM is the Somalia Water and Land Information Management project run by F.A.O.  for Somalia, the focus of this add-on is flooding. Somalia is one of those unfortunate spots of our planets where Nature plays a testing game on its inhabitants: either too little water or too much. Years of drought are followed by years of flooding … with a vengeance.

It is in this circumstances that historical data and careful land management becomes key not only to minimize impact of floodings but also to coordinate relief efforts in time of disaster.

In the past weeks many have asked the same questions:  what for? 

… or made comments of the kind:

Nature is simply putting things right, these populations have asked for punishment with their conflictual behaviour … see … they are warring again!

Astonishing: haven’t we learned anything from the past?

And how unkind these comments are to the hundreds of relief workers who risk heir life daily! :(

It is in time of extreme despair that religious fanaticism strives and undermines our societies, when Divine Intervention becomes the only hope for a better future.
The lesser the desperation, the lesser the fanaticism, the less the conflicts.

A relief truck which can find its way to destination does make a difference.
Close your eyes for an instant and just imagine a desperate father, in a refugee camp somewhere in Africa, powerless next to his dying son, desperation building up moment by moment and so the anger towards everything and everyone … and then suddenly the view of a white UN truck driving into the camp … hope! … I can see his smile, hope rushing back … and then, years later at a bonefire, imagine him again telling everyone of that glorious day when No-one was there and then miracolously a white truck arrived as an angel.

We can make the difference.

And, as I have just learned, we, the WorldWind community,  do indeed make a difference.  
Chad’s  refugees add-on mutated into a  kml suddenly makes Google Earth’s Communities aware of the Somali crisis  and the news  spreads fast …

Somalia - Chad at Earth is Square normally focuses his attention on WorldWind content (since he is a developer of the NASA-sponsored virtual globe). But, he was recently asked to develop a map showing human displacement issues in Somalia for both WorldWind and Google Earth. This is similar in concept to the Crisis in Darfur layer to help make people aware of human atrocities. Chad started by creating an add-on for WW, and then develops a similar one for Google Earth . Since WW supports KML, it seems to me he should have just developed a KML file and the same file could be supported by both applications. Regardless, great work Chad!

… Google suddenly populates Google Earth with Somali data.  

Finally the world learns :)

It has been a busy day. For details of the SWALIM add-on put together by Bull_UK please refer to his blog.

see also:

  • GeoNetwork gets a new interactive map viewer By Bull_UK
  • Somalia SWALIM Add-on For World Wind By Chad 
  • Mogadishu Refugee Migration World Wind Add-On by Chad
  • Mogadishu Refugee Migration Google Earth Version By Chad
  • Tracks4Africa on Google Earth

    Posted by Maurizio on 12 Nov 2006 | Tagged as: GPS, Google Earth, Virtual Globes

    More than 6 years of efforts by the Tracks4Africa community ( have today culminated with the release of a Tracks4Africa layer on Google Earth.The T4A layer was been compiled using only GPS tracklogs contributed by the T4A community: it covers the whole African continent and it has been recognized by Google as world class data suitable to go alongside very high resolution imagery. MadMappers is proud in the small contribution given to this remarkable mapping exercise. Due to the nature of this voluntary effort data coverage is excellent in some places but less so in others.We invite everyone with a GPS to join this pan African mapping initiative aimed at creating a popular African GIS culture where everyone can give a contribution towards the re-mapping of Africa. To contribute: e-mail your GPS tracklog at the end of your journey.

    Please note that this initiative is not aimed at mapping major urban centres (often for cities very good quality data already exists) but rather to put on the map rural roads and tracks (together with a road surface description)

    Some examples of the T4A layer in East Africa:

    Dar Es Salaam
    Addis Abeba

    To access the T4A layer on Google Earth activate “Tracks4Africa” within “Layers” > “Primary database” > “Featured Content” i.e. where the National Geographic layer is.

    More instructions are available at “T4A Maps on Google Earth”

    To the T4A guys: well done!

    AfricaTopo now available!

    Posted by Maurizio on 05 Sep 2005 | Tagged as: GPS, Maps, NASA WorldWind

    AfricaTopo is a Mad project aimed at creating a 20m contour map of the African continent for use as a background map on a GPS. The project is well under way and the first step has now reached completion: South Africa.

    The mapset includes 20m contour lines, elevation points, trig beacons, rivers, water areas and coastline. The set is compiled transparent so that it can be used in conjunction with other GPS maps e.g. overlaid on road maps on the GPS. More information can be found at

    As a bonus we have included on the AfricaTopo CD the latest version (ver.1,32) of NASA World Wind free 3D interactive map of the Globe with the plug-in for your GPS.

    We thank the Chief Directorate of Surveys & Mapping of South Africa for providing the data thus making this first step possible and all their staff, Sue and Raoul in particular, for being extremely patient and helpful. It is remarkable how much passion for GIS and mapmaking can be found at CD:SM, it is rare to meet someone who has fun at work!