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KB "Panorama" has developed the GIS Constructor for Qt Designer SE version 12.5 for the operating systems Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. The new version offers a convenient environment for creating and debugging GIS-applications. The cross-platform of MAPAPI interface allows the programmer to develop and test GIS-applications in the Ubuntu operating system using the GIS Constructor. After that, the source code of existing applications can be recompiled for the target operating system for a wide range of devices: desktop and mobile. This will require a minimum of effort due to the preservation of interfaces of graphical components of the GIS Constructor and the interface for accessing the digital data MAPAPI.
Ubuntu is one of the most popular GNU/Linux distribution kits. Ubuntu operating system is focused on usability. It has a well-developed internationalization that ensures maximum accessibility for representatives of different language groups. Ubuntu is free software and is available for free.
GIS Constructor is a set of geoinformation components for use in the visual programming environment of Qt Designer, which allows you to develop your own GIS applications. The visualization of the contents of digital maps is made in conventional symbols adopted for topographic, geographical and various special maps. Geoinformation system has ample opportunities for performing calculations, for providing display of spatial data on various graphic devices in standard and user systems of conventional symbols. The main functions can be executed in multithreaded mode. It supports automatic optimization of used memory for processing large amounts of data (tens of gigabytes) on limited resources (hundreds of megabytes).
The toolkit is adapted to work on a wide range of platforms and supports operating systems such as Astra Linux SE, MSVS, CRTOS "Neutrino", "Elbrus", "Zarya", Ubuntu, Alt Linux, QNX, CentOS and others. It can be used in computer complexes with processors of architectures ARMv7, Elbrus, PowerPC, Intel x86, Intel x64 and others.
The new versions of programs are available for download in the section.
In KB "Panorama" a digital map of the Administrative-territorial division of Russia in the SXF format has been prepared. data served as source for map's preparation.
The map contains the territories of the federal districts, subjects of the Russian Federation and administrative-territorial units of the upper and lower levels. The total number of objects - 26 873.
It can be used to analyze and assess the territory of the Russian Federation and its subjects, assess the length of borders and as a basis for creating thematic and special maps. For work with the received map it is possible to use the program of or other software products of KB "Panorama".
Free maps on the basis of OpenStreetMap data are available for download on the page "Digital maps and images".
Specialists of KB "Panorama" took part in the work of the conference and the exhibition at the , organized jointly with the government of China. The UNWGIC Global Forum was held from 19 to 21 November 2018 in Deqing, Zhejiang Province, under the comprehensive theme “The Geospatial Way to a Better World” and promoted a comprehensive dialogue on global management by the geo-spatial information between authorities, non-governmental organisations, business and the population.
The exhibition featured a wide range of samples of special equipment and software solutions for collecting, processing and analyzing spatial data from leading companies in the world. At the stand of Russian manufacturers, specialists from China familiarized themselves with products of and . A large number of user questions were devoted to technologies of automated data processing, monitoring of changes in the terrain and the environment, three-dimensional modeling and management of urban infrastructure.
At the on-site seminar in Nanjing to Chinese colleagues, specialists from KB Panorama presented the capabilities of the "Geoportal Region" software package in the "Smart City" technology for maintaining a spatial data bank, publishing digital cartographic information, remote sensing data (Earth Remote Sensing), thematic information from databases, documents, navigation information, the organization of remote interaction with automated control systems, systems for monitoring the state of the terrain, transport management , providing urban problems, conducting land cadastre and real estate and others.
The Chinese organizers of the UNWGIC not only implemented comfortable conditions for transport accessibility, personal accommodation and work of congress participants, but also organized an environment of joint inclusive communication of all stakeholders to improve communication, understanding, knowledge and application of geospatial information management for solving the local, regional and global problems.
In KB "Panorama" the version 3.8.6 is developed. In the new version, work with geo-covers is optimized, that allows to combine various types of spatial data (vector, raster, matrix) among themselves and to browse them in a separate window. At browsing there are available the modes of search, printing, change of map contents, viewing the information on objects of a map. Possibility of deleting geo-covers is added.
In the new version, you can browse the short and complete logs of the operations of placing data into the storage and building geo-coverings. The tools are implemented for managing the metadata panels and schematic display of spatial data on the map. Mechanism of search and filtering the data has been simplified, the ability to select search parameters from predefined values has been added.
Search of objects on the map became more visual in the program. As the name of the found object, the semantics that matches the desired value is displayed, then the object name and the layer name are displayed. In the documentation the section containing an operations procedure and recommendations for search and elimination of errors is added.
Within the framework of a single geoinformation space, the Data Bank of digital maps and remote sensing data realises gathering, storage, search and delivery of the spatial data in exchange formats. The spatial data selected by means of the program can be placed for the multiuser access on the and be published according to the international standards OGC WFS, WFS-T, WMS, WMTS, WCS on application server the . Users can access data from both a thin client (by means of ) and from desktop applications (GIS "Panorama", ).
The databank of digital maps and remote sensing data provides construction of cloud storehouse of spatial data, provision of access to these data, the automated formation and updating of geo-covers. The current state of spatial data is displayed by means of maps-schemes that are maintained for each type of stored data: vector maps, remote sensing data, elevation matrixes and terrain models. It provides remote placing the sets of spatial data into file storehouse, keeping versions of stored sets, updating maps-schemes of data availability, the automated collection and formation of metadata, and the formation and updating of geo-covers.
Automated collection and formation of metadata is performed according to the standards of ISO 19115: 2003, Geographic information - Metadata and ISO/TS 19139, Geographic information - Metadata - XML schema implementation. The reduced copies of data images are automatically formed, checksum of files and completeness of data sets are checked.
The new version of the program is available for download on the page.
In KB "Panorama" new projects of three-dimensional models of terrain, implemented with the help of GIS WebServer SE, are updated and developed.
Into the the database of three-dimensional tiles in DB3D format with models of Epiphany and Tikhvin cathedrals is added. The models were prepared by specialists of KB "Panorama" in the Collada format. Then they were imported and tied to the terrain in the "Navigator 3D" task in the . This project is a good example of a quick transition from a standard three-dimensional model of displaying to a concrete definition of a terrain through the creation of characteristic models.
The contains a database of models of buildings in the central part of the city in DB3D format. Photorealistic models in the Collada format are created and provided by the company. Such modeling reflects the appearance of a particular locality. Creating photorealistic models requires more effort than standard terrain modeling, based on libraries of 3D models of the classifier. But this opens up the possibility of more accurate measurements and simplifies the orientation on the terrain. Collada format is an open format for exchanging models between applications.
3D model of a part of the city of Tomsk is now presented not only as tiles of the obtained from the TLS (Agisoft Tiled Model) format, but also as from the Agisoft OC3 format. The three-dimensional model in the form of tiles of a dense cloud of points is the fastest-received terrain model: scanned, downloaded, viewed. Data for Tomsk projects are provided by company and imported into the DB3D format. Three-dimensional terrain models were obtained using unmanned aerial surveying systems Geoscan 101 and Geoscan 401 and photogrammetric software.
The shows the possibilities of modeling terrain based on small-scale maps and elevation data, obtained by using the OGS WCS service. DB3D format is intended for storing and displaying pyramids of three-dimensional tiles packed together with metadata tables in SQLite format. It provides a fast issuance of spatial information in accordance with the requested scale and territory: tile-by-tile, model-by-model or object-by-object. The format is intended for storing data in 3D-tiles pyramids of various type, for example, GoogleMapsCompatible ((a matrix compatible with Google data in projection EPSG:3857), GoogleCrs84Quad (a matrix compatible with Google data in projection EPSG:4326). The level of extensive data granularity and coverage area is unlimited. Recommended for work the range of scales is from 10-12 to 22 levels of the tile pyramid. Import is supported to the DB3D format from formats of tile models TLS (Agisoft Tiled Mode), Agisoft OC3 point clouds and Collada three-dimensional models. The models, loaded into the DB3D format, can be used for constructing three-dimensional terrain model together with other sources of data: vector maps, space and aerial photographs, geoportals, point clouds, matrixes of heights.
All examples of projects are available for review on the .
