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.
Although the theories and methods about 3D GIS interactive editing are scarce and primitive, the need to develop them has become gradually urgent. For the purpose of resolving it, in this paper, a method on editing geographic features in 3D GIS visualization environment is proposed. By the digital control surface, the method can deal with some geometric shapes effectively such as point, path, and...
Based on the data obtained from face-to-face interview and the measurements using global positioning system (GPS) and geographical information system (GIS) technology, the village pattern evolution of the WL village in the middle of the Huang-Huai-Hai plain was studied. The main results are shown as follows. Firstly, the WL village goes through a series of evolution pattern including the absolute...
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.