Public and Private Clouds

Typically, cloud computing platforms can be public or private. In the public cloud, the infrastructure and applications are owned by the cloud vendor and essentially leased to the cloud consumer. A private cloud operates behind an organization’s firewall and is maintained within the parameters of the host organization, although the infrastructure and applications can still be owned by a cloud provider. Private clouds are becoming increasingly more popular.

 Many believe that the “sweet spot” for cost optimization in the cloud relies on a delicate balance of public and private clouds – often referred to as a hybrid solution. For cloud GIS users, this means taking advantage of GIS software and services within on-demand infrastructures, taking full advantage of both on-premise and off-premise, depending on the business needs or restrictions of the organization.

Universal map downloader

Universal Maps Downloader is software that will help you to download high-resolution satellite images for urban areas from such mapping services as Google Maps, Yahoo Maps и Microsoft Maps. The program also has tools allowing users to combine separate images to one (Maps Combiner) and view them with the help of built-in Maps Viewer.

Universal Maps Downloader vous permet de télécharger des cartes géographiques à partir de Google Maps (street, terrain, satellite), Yahoo Maps (street, satellite) ou Microsoft VirtualEarth Maps (street, satellite, hybrid). Insérez les coordonnées GPS d'un lieu (latitude et longitude), réglez la précision du zoom ainsi que le nombre de flux de données, et lancez le chargement. L'application téléchargera plusieurs petites images, que vous pourrez visualiser dans leur ensemble avec l'outil Maps Viewer et les assembler pour créer un unique document BMP avec Maps Combiner.

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