[Gvsig_english] Network extension for gvSIG 1.9 available

[comunicacion_gvsig at gva.es]

A stable network extension is now available for gvSIG 1.9. This  
extension adds a group of new features and improves the existing ones  
in previous versions.

The extension is available at the Extensions section of the gvSIG  
website  
(http://www.gvsig.gva.es/eng/gvsig-desktop/desk-extensiones/network-extension/downloads/).

Summary of the new features:
- Create and define network topology (using velocities, or sense of  
direction, modified costs, barriers, turn costs ...)
- Calculate shortest path
- Travelling Salesman Problem (TSP)
- Origin - Destination matrices
- Service Areas
- Emergency / Nearest facilities provider
- Minimum Spanning Tree (MSP)
- Trace (back and forward) the network and find events on the network.