Global Mapper is a great and inexpensive tool for a lot of GIS tasks, particularly those related to elevation data. It is very easy to visualize 3d features or terrain models, and to generate contours, as well as many other tasks. And the speed of its performance and processing is great. Blue Marble has also made it easy to add data from internet sources like state and federal agencies.

La compatibilidad con muchos tipos de formatos de archivo, la posibilidad de manipular fácilmente grandes cantidades de datos. La posibilidad de cambiar entre sistemas de proyección al instante.

I haven't used the product enough to form an opinion.