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Wyświetlanie 1-6 z 6
Tytuł:
Przedstawienie zabudowy na współczesnych polskich mapach topograficznych
Presentation of settlement on contemporary Polish topographic maps
Autorzy:
Hebdaś, J.
Powiązania:
https://bibliotekanauki.pl/articles/204407.pdf
Data publikacji:
2001
Wydawca:
Polskie Towarzystwo Geograficzne
Tematy:
mapa
mapa topograficzna
zabudowa
Opis:
W artykule omówiono pojęcie zabudowy z punktu widzenia prac topograficznych. Następnie pokazano sposoby przedstawienia zabudowy na mapach topograficznych w skalach od 1:5 000 do 1:200 000, a także problemy z tym związane. Artykuł zamyka analiza prezentacji zabudowy na nowej mapie 1: 50 000 wydanej przez Głównego Geodetę kraju.
Topographic maps in Poland are currently published by two independent goverment agencies : Head Office of Geodesy and Cartography (Główny Urząd Geodezji i Kartografii) and Military Geography Authority of the General Staff of the Polish Army (Zarząd Geografii Wojkowej Sztabu Generalnego Wojska Polskiego). The oveview of these maps is presented in the Table 1. On 1:10,000-scale each building is presented with a separate cartographic sign. Almost all buildings are shown (escluding the smallest ones located in the close proximity to other ones). Also, building located within the allotments are generally omitted. Buildings classed in the same category ((esp. row and semi-detached houses) are shown with a single sign, which causes certain misrepresentations. On 1:25,000-scale maps the majority of buildings is shown, however the smallest ones located in large distances from streets can be omitted. The presentation of built-up areas is composed of two separate elements: separate symbols for each building as well as the range of the entire built-up area (shown in color). The editors' guidelines for 1:50,000-scale maps were similar to those for 1:25,000-scale. As far as the maps the scale of 1:100,000, the difference lies in the presentation of built-up areas, which are shown in black. Consequently, the symbol for single buildings is the same as the one used to present the whole built-up area. On 1:200,000-scale maps the symbol used to show separate farm building was eliminated. Cartographic generalization (mostly quantitative) as well as the correct classification of buildings (either to densely or sparsely populated area) are considered to be the most vital problems concerning the presentation of settlement. A new method of settlement presentation was introduced on the new series of civilian 1:50,000-scale topographic maps published by the Surveyor General of Poland (Główny Geodeta Kraju) since the mid-1990s. Maps published before that date presented settlement classification based on the density and size of buildings. However, there was no functional classification applied. Functional categories have been first used on these new map series, which can be considered as a revolutionary change. The following classes were introduced: compact multifamily dwellings, dense multifamily dwellings, dense single-famly dwellings as well as industrial zones. The remaining buildings are presented with sings for each separate building. The settlement is shown in brown, which makes it possible to overprint geographic names in black. However, the presentation of built-up areas by showing the range of buildings instead of presenting the range of the whole area can be considered questionable, as it weakens its graphic presentation.The idea of presenting dense multifamily dwellings with a separate sign also seems doubtful. On the other hand the lack of a symbol for high-rise buildings is a serious drawback of the map. The presentation of separate buildings is very subtle, yet legible. The elimination of a separate symbol for farms is an important modification to the map content. To sum up, owing to the new graphic techniques and new theoretical approach the map presents settlement in a much better way compared to the previous ones.
Źródło:
Polski Przegląd Kartograficzny; 2001, T. 33, nr 2, 2; 127-136
0324-8321
Pojawia się w:
Polski Przegląd Kartograficzny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Koncepcja Mapy dziedzictwa przyrodniczo-kulturowego Polski 1:50 000
Concept of a Map of the natural-cultural heritage of Poland 1:50 000
Autorzy:
Opach, T.
Pasławski, J.
Powiązania:
https://bibliotekanauki.pl/articles/204200.pdf
Data publikacji:
2003
Wydawca:
Polskie Towarzystwo Geograficzne
Tematy:
mapa
mapa środowiska
mapa topograficzna
Polska
Opis:
Po określeniu pojęcia dziedzictwa przyrodniczo-kulturowego i przedstawieniu problemu redakcji mapy na podkładzie nowej Mapy topograficznej Polski 1:50 000, omówiono koncepcję treści Mapy dziedzictwa przyrodniczo-kulturowego Polski 1:50 000. Szczegółowo scharakteryzowano poszczególne wyróżnienia dziedzictwa przyrodniczego i dziedzictwa kulturowego oraz wskazano możliwości wykorzystania mapy.
The authors describe a concept of contents of a Map of the natural-cultural heritage of Poland 1:50 000. First they define the notion of natural-cultural heritage, and then characterize particular distinctions of natiral heritage and those of cultural heritage. They also indicate possible uses for such a map. The contents of Map of the heritage comprises the objects of heritage, i.e. the most valuable elements of geographic environment. In the case of natural elements of environment we can talk of "natural heritage ", that is the object and areas of exceptional aesthetic value, examples of ecological and biologic processes, as well as traces of important events in the Earth's history. In the case of objects and phenomena resulting from material and immaterial human activities, we can talk of "cultural heritage". Map of the heritage is drawn on a bases of a new Topographic map of Poland 1:50 000, with which the overprinted graphic symbols have to agree. It was assumed that the map should be accessible to general, nonspecialist public, therefore the legend distinctions should be comprehensible for any reader with at least secondary education. Map's contents is divided into two groups. The first group, "Natural heritage (fig.1) contains three topic categories: - environment protection - didactic stands - degradation of the natural environment The second group, "Cultural heritage (fig. 3) is divided as follows: - major archeological sites - historic sites - major events and non-existent objects Map of the heritage also includes elements of tourist infrastructure (fig. 2). Additionally, a hypsometric sketch has been included, with physico-geographical regionalization of the presented area (fig. 5). The map could be used in many fields, especially regional planning, education, tourism and promotion of "little homelands". Rich contents and the scale of presentation mean that the reader would gain access to previously unavailable information.
Źródło:
Polski Przegląd Kartograficzny; 2003, T. 35, nr 1, 1; 3-11
0324-8321
Pojawia się w:
Polski Przegląd Kartograficzny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Opracowywanie map potencjalnych stref zalewowych na podstawie numerycznego modelu terenu
Preparation of a DTM-based potential backwater zone map
Autorzy:
Kostecki, S.
Ścisły, M.
Powiązania:
https://bibliotekanauki.pl/articles/204445.pdf
Data publikacji:
2001
Wydawca:
Polskie Towarzystwo Geograficzne
Tematy:
strefa zalewowa
numeryczny model
mapa
mapa topograficzna
powódź
Opis:
Potencjalne strefy zalewowe mogą być wyznaczane z wykorzystaniem numerycznego modelu terenu opracowanego na podstawie map topograficznych i uzasadnionego przekrojami poprzecznymi pomierzonymi bezpośrednio w terenie. Właściwa interpretacja rzeźby z mapy topograficznej jest - szczególnie w opracowaniach lokalnych - najefektywniejszym sposobem przewidywania zakresu potencjalnych powodzi.
The Digital Terrain Model DTM-based potential backwater zone map pilot project ordered by the World Bank resulted in the preparation of maps of the town of Kłodzko, the communes of Kamieniec Ząbkowicki and Brzesko and the city of Kraków - the area influenced by the Vistula river. Terrain survey is the most detailed (and also the most expensive) method of obtaining DTM data. It is used whenever very high accuracy of the terrain representation is necessary. However, for most purpose the already existing data in the form of either the PHARE Project aerial imagery or satellite imagery (such as IKONOS) can successfully supplement the original survey. Thanks to the digital aerotriangulation it is possible to prepare DTMs at the scales of 1:10,000 and 1:25,000 using those sources. The other method, much less common in Poland, consists in the use of the fly-spot scanning technique. If it is impossible (or too expensive) to use either of the above descrobed methods, the best possible source are topographic maps. In our project the 1:10,000-scale topographic maps were used. A Digital Terrain Model based on 1:10,000-scale topographic maps is considered to be the adequate source to prepare a backwater zone map at the same scale providing that the following conditions are wet: the height of escarpments, embankments and other topographic elements are correctly represented; the elevation of skeleton lines (which are not represented on a map) is not distored, the surveyed cross-sections are used to construct a model of the river bed and valey; additional sources (such as base maps) are used to represent settlements and eventually, the final result has to be verified. The flood zone line is the line of intersection between a Digital Terrain Model and a Digital Water Surface Model. Thanks to the possibility of generating the depth contours at desired intervals there are numerous possibilities of performing analyses of risks and flood damages and especially the application of these isobaths to map the limit between the zones of medium and high flood risk.
Źródło:
Polski Przegląd Kartograficzny; 2001, T. 33, nr 1, 1; 24-34
0324-8321
Pojawia się w:
Polski Przegląd Kartograficzny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Koncepcja Mapy topograficznej Polski w skali 1:50 000
Concept of the Topographic map of Poland at the scale of 1:50 000
Autorzy:
Ostrowski, W.
Powiązania:
https://bibliotekanauki.pl/articles/204358.pdf
Data publikacji:
2002
Wydawca:
Polskie Towarzystwo Geograficzne
Tematy:
kartografia
mapa
mapa topograficzna
Polska
cartography
map
topographic map
Polen
Opis:
W artykule omówiono etapy opracowania koncepcji mapy topograficznej 1:50 000 wydanej w latach 1995-2002 przez GUGiK, a także podstawowe założenia tej koncepcji. Przy omówieniu treści i formy graficznej mapy zwrócono szczególną uwagę na nowy sposób ujęcia zabudowy.
The first Polish topographic map in civilian version at the scale of 1:50 000 was prepared in "1965 system" by re-arranging and re-editing of the sheets of military 1:50 000 map in "1942 system". It was published in the years 1977-1982. In 1993 as a result of an order from the Surveyor General of Poland, preparation of a completely new concept of a topographic map in 1:50 000 was started. The first, initial instruction to this map was issued in 1995; its final version, which included the experience gathered during the editing of the first several dozen sheets appeared in 1998. The 1:50 000 map in its contents and graphic form refers to a map in 1:10 000, the preparation of which started in 1994. The new concept of a 1:50 000 map accounted for its multi-purpose character. An analysis of a range of contents and graphic forms in topographic maps of Western countries was conducted; the new concept also referred to Polish graphic tradition between the World Wars. Between 1995, when the publication started, and 2002, 589 sheets were published, which cover 60% of Poland's area. The forst 48 sheets of the Mazowsze region were edited in "1942 system", which bases on Krasowski elipsoid; all the following sheets were edited in "1992 system", basing on a GRS-80 ellipsoid.The map is printed on standard sheets of 580x470 mm. Every sheet includes the explanation of all the symbols and most abbreviations with Polish and English explications. On the new map the number of applied signs has been significantly reduced (in comparison to the previous map). At the same time its contents has been extended to include new, important elements, e.g. industrial and store areas, but stations, marked tourist routes, border checkpoints, bethymetry of lakes, border zones. However the biggest changes regarded methods of presentation of buildings. To show their variety a functional criterion has been applied. Industrial and governmental buildings have been differentiated from other buildings and built-up areas. Dwellings (including farm dwellings) have been differentiated according to their density and buildings' size. Compact multifamily dwellings, dense multifamily dwellings, dense single family dwellings have been shown as three different types of built-up area, while disperse dwellings have been marked with separate symbols for particular buildings or farms. The 1:50 000 map was printed in unified six color version (black, dark brown, blue, green, red, light brown). Application of dark brown to dwellings and roads was particularly important for the graphic picture, because it relieved the map and increased its graphic capacity, e.g. it made it possible to clearly mark government and industrial buildings. Consistent use of green for agriculture and vegetation and light brown for surface relief also improved the graphic quality of the map. In comparison to the previous map, the new 1:50 000 map has more precise drawing, which has been achieved with wider use of colors and patterns as well as the reduction of the size of symbols, their simplification, and reduction of line width. The map was met with positive reactions of its reviewers and users; its authors also got. The Awars of the Minister of Internal Affairs and Administration. After the reorganization of the Head Office of Geodesy and Cartography in the beginning of 2002, the publishing of further sheets was abandoned; it was decided, that the remaining area would be covered with a military map prepared in V Map Level 2 technology complying with NATO standards, and adapted for civilian use.
Źródło:
Polski Przegląd Kartograficzny; 2002, T. 34, nr 4, 4; 261-272
0324-8321
Pojawia się w:
Polski Przegląd Kartograficzny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Generalizacja danych topograficznych o szczegółowośći 1:10 000 do skali 1:50 000. Cz. 2
Generalization of topographic data from 1:10 000 into 1:50 000. Part 2
Autorzy:
Iwaniak, A.
Chybicka, I.
Ostrowski, W.
Paluszyński, W.
Powiązania:
https://bibliotekanauki.pl/articles/204351.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Geograficzne
Tematy:
mapa
mapa topograficzna
baza danych
generalizacja kartograficzna
map
topographic map
generalization
Opis:
W pierwszej części artykułu omówiono znaczenie generalizacji w procesie budowy Krajowego Systemu Informacji Geograficznej oraz teoretyczne zasady generalizacji sieci dróg i zabudowy dla skali 1:50 000. W drugiej części opisano narzędzia informatyczne do automatyzacji procesu generalizacji oraz implementacje bazy wiedzy dotyczącej reguł generalizacji w środowisku programowym DynaGEN. Poprawność opracowanej bazy wiedzy zweryfikowano przez przeprowadzenie dwóch eksperymentów. Pierwszy eksperyment dotyczył generalizacji warstw tematycznych Bazy Danych Topograficznych (BDT) sieci transportowej i zabudowy w obrębie podwar-szawskiej miejscowości Łomianki. Drugi eksperyment polegał na generalizacji warstwy tematycznej sieci transportowej w okolicach Kowalewa Pomorskiego.
The most advanced software for generalization of digital data available on the market today is that by Laser Scan. The company participated in the AGENT The most advanced software project, which was described in the first part of the article. What resulted from the project was Clarity, a very advanced map generalization system. What differentiated Laser Scan from then contemporary software, was the fact that it accounted for the contextuality of generalization, i.e. the same objects can be generalized differently depending on the objects surrounding them. It was possible because of application of a unique object technology, where each object could be generalized in many ways depending on the context. The DynaGEN system by Intergraph is an alternative generalization software. It is less expensive and has significantly more practical applications. It uses the same generalization algorithms, but cannot do alternative operations. Therefore one can either generalize small areas in an interactive way, or generalize automatically with later manual corrections. Similarly to Laser Scan, it requires software configuration and also the construction of knowledge base. The second part of the article presents an implementation of the knowledge base containing the rules of generalization in DynaGEN environment. The accuracy of the arranged knowledge base had been verified by two experiments. The first one involved generalization of thematic levels of Topographic Database of the road network and buildings within the town of Łomianki near Warsaw. The second one consisted in generalization of the road network in the area of Kowalewo Pomorskie in Northern Poland. The knowledge base prepared in DynaGEN system contained two sets of rules. The first one included the rules applied automatically and which, in limited sequence, are used for the initial preparation of data. The second set contained the rules describing basic types of interactive generalization processes supervised by a cartographer, which were vital for the application sequence. The generalization of a road network consists of two stages. The first one involves an analysis and initial data processing. Its range includes a construction of a hierarchical model of a road network and the connection of road segments within the whole area. The second, main stage of the generalization of a road network involves selection and simplification of paved roads, dirt roads and paths. Generalization of built-up areas is performed in one step, without initial data processing. The prepared knowledge data describes the process of generalization of topographic data from 1:10000 into 1:50 000. It provides universal material which can be implemented in various software environments.
Źródło:
Polski Przegląd Kartograficzny; 2004, T. 36, nr 4, 4; 266-273
0324-8321
Pojawia się w:
Polski Przegląd Kartograficzny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geometric characteristics of Iraq’s raster topographic maps used for automatic updating the road network
Autorzy:
Abdallah, R.
Powiązania:
https://bibliotekanauki.pl/articles/100558.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Rolniczy im. Hugona Kołłątaja w Krakowie
Tematy:
maps update
road networks segmentation
topographic raster map
tracking algorithm
scanning algorithm
methods of image binarization
k-means method
mapa
mapa topograficzna
aktualizacja
Opis:
This paper is devoted to the problem of road network extraction from raster image. The task of road network extraction is formulated in common view. The approach to the road map extraction has been proposed which can be applied for topographic map updating and is based on image clustering by k-means method and on application of scanning algorithm for extraction of road network fragments. Road map description is formed as set of linear fragments with knowing parameters. These linear fragments are created by merging of smaller parts. Experimental researches were implemented for maps of 10 Iraq cities. Experimental results show in average the extraction precision of 86% (in comparison with human expert).
Źródło:
Geomatics, Landmanagement and Landscape; 2015, 3; 7-18
2300-1496
Pojawia się w:
Geomatics, Landmanagement and Landscape
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-6 z 6

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