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In KB "Panorama" the GIS Constructor of version 12.1.0 is developed for operating system Astra Linux Special Edition (Release "Smolensk"). The new version combines the possibilities of developing the GIS-applications for Qt tools of version 4 and version 5. Using only one software product, the GIS Constructor user can create a GIS application for the required version of the Qt framework, with a minimum of effort.
The developer can easily switch the used version of the Qt framework using a command-line utility with a simple interface. With its help, you can get information about the used version in one action and change it to the desired one. After that, the GIS Constructor is fully ready to work with the selected libraries of Qt toolkit. For the convenience of the system administrator, the installer of GIS Constructor automatically performs the initial configuration of the application in the automatic mode. To determine the used version of the Qt framework, the current environment of the operating system is analyzed.
Universality of MAPAPI interface and GIS Constructor components provides portability of the developed source codes. The developer, depending on the task to be solved, can easily reassemble the GIS application for the required version of the Qt toolkit and create an image of the product for the end user.
The new version has expanded the possibilities of interacting with processing, which require significant resources of computational time. Using the modified callback interface, the developer can receive information about the progress of the processing and interact with the process in an interactive manner.
The display of operational signs, as well as programmable conventional signs of general purpose has been improved. The interface for creating temporary user maps has been expanded. Now the developer can directly specify the location of the created files by specifying a special environment variable.
GIS Constructor implements support for a single geoinformation space managed by spatial data servers (GIS Server) and application servers (
Due to the ability to connect to the GIS Server, users of GIS applications can directly connect to geospatial data bases, view and edit tables in the form of maps in the specified conventional symbols. Support of interaction with GIS WebServiсe SE allows to get access to the spatial data by the international standards OGC WMS, WMTS.
GIS Constructor is a set of components for developing GIS applications for use in the visual programming environment of Qt Designer. Visualization of the contents of digital maps is made in conventional symbols adopted for topographic, geographic, cadastral and other types of maps. Geoinformation system has wide possibilities for creation (addition) of the user conventional symbols, supports the various coordinate systems and projections.
The new version of the program is available for download in the
For request of creation of buffer zones the possibility of their construction is implemented by the closed linear objects, and also by an arbitrary object passed through the input file gml. The new request is added of obtaining distance, azimuth and direction angle.
For construction of geo-covers in the
In the program analytical possibilities of requests of the transactions are improved, allowing to analyze the list of available for object of editing of semantic characteristics and to update only transferred for semantics change.
GIS WebServiсe SE supports all international standards (OGC WFS, WFS-T, WMS, WMTS, WCS) with which help the transfer and display of spatial data is carried out. The program provides the ability to issue tiles for any user or local coordinate system. The application is implemented on Windows and Linux platforms, is compatible with Apache, IIS and nginx web servers.
The new version of the program is available on the site in the
On the geoportal
Publishing of updates in bank of spatial data is made by using the program of
Free maps on the basis of OpenStreetMap data are available for download on the page "Digital maps and images".
Specialists of KB "Panorama" have developed the instruction on installation and configuration of
In GIS WebService SE, reliability is improved when working with data on the
GIS WebServiсe SE supports all international standards (OGC WFS, WFS-T, WMS, WMTS, WCS) with which help the transmission and display of spatial data is carried out. The program provides the ability to issue tiles for any user or local coordinate system.
You can read the
In KB "Panorama" the program of
Loading of data sets into the Databank of DMs and RSE is carried out by the command of the desktop client of GIS Server or the web-client of Databank of DMs and RSE. GIS Server allows you to create in an automated mode the geo-covers of vector maps, rasters and matrices stored in the Data Bank of DMs and RSE. During the formation of geo-covers, data are imported from exchange formats, are transformed into a given coordinate system and are placed into a virtual folder of the GIS Server. The file-sets of the SHP format, stored in the form of ZIP archives, selected by the operator in the Data Bank are automatically unpacked and converted into the internal format of the
GIS Server supports multi-level connection of servers among themselves for distributed storage and processing of spatial data with automatic replication, backup and data protection. Such architecture in tens times reduces load of a network of data transmission, speeds up access to data and improves reliability of work. Reducing the load on the data network is achieved through the access of individual groups of users through an intermediate GIS Server, which caches the requests and performs automatic data replication.
GIS Server provides work with spatial databases managed by PostgreSQL and Oracle databases with access to data in accordance with OGC 06-103r4 standard: "OpenGIS® Implementation Standard for Geographic information - Part 1: Common architecture".
The new version of the program is available for download on the