The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Digital globe is a visual system based on geographical coordinate, provided with multi-resolution, mass data and multi-dimensional display. Three-dimensional terrain visualization is an important composition of researches about terrain visualization technology and digital globe, also is the foundation of realizing the multi-angle, multi-layer, real-time generation, display analysis and roam of three-dimensional...
Relief degree of land surface is an important factor for representing the characteristics of landform. Up to now, unified methods and standards about classifying relief degree of land surface have not been established. The standard deviation of elevation values were calculated from the 1:50000 scales DEM data over Yangqu county of Taiyuan city, which are then used to describe the relief degree of...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.