gvSIG-Desktop 1.11. User manual
If you select the “Convex hull” geoprocess, the following dialogue appears:
![envolvente-convexa-en.img/introduccionDatosConvexHull_en.png](../../../../../../docusr/acceso-editores/funcionalidades/herramientas-de-geoprocesamiento/envolvente-convexa/envolvente-convexa-en.img/introduccionDatosConvexHull_en.png)
After selecting the layer whose “Convex Hull” you wish to calculate and specifying an shp result file, you can run the geoprocess and generate a new result layer.
![envolvente-convexa.img/puntosSeleccionadosConvex_es.png](../../../../../../docusr/acceso-editores/funcionalidades/herramientas-de-geoprocesamiento/envolvente-convexa/envolvente-convexa.img/puntosSeleccionadosConvex_es.png)
The following image shows the convex hull created which surrounds all the points in the input layer.
![envolvente-convexa.img/conveHullDePuntos_es.png](../../../../../../docusr/acceso-editores/funcionalidades/herramientas-de-geoprocesamiento/envolvente-convexa/envolvente-convexa.img/conveHullDePuntos_es.png)