View Google images |
The given program is intended for viewing satellite images from a server maps.google.com, combined with the cartographical data displayed on a raster of the Panorama system. Viewing is carried out by means of http connections, loading of data into memory and their further visualization on a map. The program represents the GoogView.dll library, call to which is carried out under control of system Panorama 11, by means of the menu Tools/Run Application. The program works in four modes of downloading information: 1. Loading data on object; 2. Loading data on group of objects; 3. Loading data on region; 4. Loading data by coordinates. For loading data on group of objects, before start of the application it is necessary to mark preliminarily demanded objects on a map. The operating procedure at loading the information onto a raster: 1. To start the program, in the appeared dialogue as output data in a field «Output raster» to set a name of an output raster. 2. To choose speed of loading images (By default the speed of loading images - 60 images in a minute). For loading on the maximal speed it is necessary to set a tick into a field «Maximum speed of loading» The higher speed of loading, the less images can be received. 3. To choose one of modes of loading images, by clicking on the corresponding buttons: - on the button «Choose loading object» - for loading data on object, having specified on a map necessary object (loading only by linear or polygon objects is possible); - on the button «Choose loading region» - for loading data on region, having specified on a map a frame of loading area; - on the button «Loading by selected» - for loading data on group of objects, it is necessary to mark preliminarily demanded objects on a map before start of the application (loading only by linear or polygon objects is possible); - on the button «Set a frame by coordinates» - for loading data on region, preliminarily having specified coordinates of area. At a choice of object or area the minimal permission is installed on the basis of available data on a server provided that more than 50 % of the chosen territory has this minimal permission. To specify the necessary permission (amount of meters of district onto 1 point (pixel)). The more the permission, the less detailed image will be loaded. 4. To set/cancel property «Full territory loading». When mode «Full territory loading» is enabled the program automatically will load pictures with larger permission. For example, there is an area with a permission of 1 meter per pixel, but only 70 % of territory has this permission, then 70 % of area will be loaded with the permission of 1 meter per pixel, and the remaining 30 % with larger permission which is available on a server, for example, 5 meters per pixel. 5. Click on "Execute" button to start process of loading the information into a raster. During loading data you can see the information on total of images, their volume, on images already loaded into a raster, and also about remained time of loading. At break of connection with the Internet the program automatically reconnects to a server. Maps.google.com server sometimes forbids to users to look through data from their server, therefore the given program automatically will be reconnected to a server in 5 minutes to load the remained images. The interdiction on viewing lasts from 10 till 30 minutes. It is recommended to load no more than 1000 images for 1 session. For reduction of probability of an interdiction onto viewing, open in a browser a site maps.google.com, be focused to Russia and come nearer up to a maximum level.
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