GIS WebServer SE for OS Astra Linux SE expands solution tools of navigation tasks

20.09.2017

In KB "Panorama" the GIS WebServer SE version 3.4 is developed for protected operating system Astra Linux SE (Release "Smolensk"). In the new version of the program the possibility is added for cyclic displaying and moving of the two-dimensional image of a map along a longitude, similar to the rotation of the globe. When solving various navigational tasks, this functionality allows you to view continents, cities, countries, analyze their relative location, regardless of the standard range of longitude В± 180?. The system of measurements on the map is updated. In the mode of measuring the path length the calculation of orthodromic distances is added. The calculated lines of orthodrome are drawn on the map.

In the new version of the program at displaying spherical model of the Earth the map of stars with constellations and the Sun is shown. When you change the location, the map in real time calculates the current position of each star and planet seen from Earth, taking into account the current date and time of day. The star map displays 5024 stars and 88 constellations.

The tool of clustering objects markers is refined. Object markers are clustered according to the criterion of their distance from each other. Clustering of object markers is performed according to the criterion of their distance from each other. When the scale of the map is reduced, markers are merged into clusters with indicating the number of markers in it. When you click on the icon, the scale of the map is increased, the cluster is split into separate labels of objects and clusters. Data of objects for clustering is described in GeoJSON format. You can customize the appearance of clustering icons. In the administration module the use of domain groups and users is simplified at customization of access rights. At change of the list of groups or users of the domain a recustomizing of access rights for them in the application is not required.

To access spatial data, GIS WebServer SE uses the GIS WebService SE application server, which within the single geoinformation space provides access to data in accordance with international standards OGC WFS, WFS-T, WMS, WMTS, WCS. To provide multi-user access to data, the GIS Server is used. As a source of spatial data, the Databank of digital maps and remote sensing data can be, which provides the collection, storage, search and delivery of spatial data in exchange formats, a displaying the state of the data bank in the form of maps-schemes, the automated formation and updating of geo-covers.

The new version of the program is available on the web-site in the Download section.


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