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Wyświetlanie 1-3 z 3
Tytuł:
Możliwości opracowania kartogramów i kartodiagramów w programie MapInfo Professional 10.5
Possibilities of elaborating choropleth maps and diagrams in MapInfo Professional 10.5
Autorzy:
Dębowska, A.
Korycka-Skorupa, J.
Powiązania:
https://bibliotekanauki.pl/articles/204190.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Geograficzne
Tematy:
MapInfo Professional 10.5
systemy informacji geograficznej
metoda i forma prezentacji kartograficznej
metoda kartogramu
metoda kartodiagramu
geographic information systems
method and form of cartographic presentation
choropleth map method
diagram map method
Opis:
W artykule przeanalizowano i oceniono możliwości opracowania kartogramów i kartodiagramów w jednym z programów typu GIS -MapInfo Professional 10.5. Omówione możliwości programu skonfrontowano z zasadami metodyki kartograficznej.
Autors analyze and evaluate the possibilities of elaborating choropleth maps and diagrams using one of the most popular programs for servicing geographic information systems - MapInfo Professional 10.5. The article focuses only on two forms of cartographic presentation since they are the most frequently used and described in detail in MapInfo. The classification of map elaboration methods used in the MapInfo program is completely different from the classification accepted in Polish cartography. Not only is the "classification" completely different, but also MapInfo features methods unknown and incorrect from the cartographical point of view. These erratic solutions adversely affect the evaluation of the program. MapInfo Professional is made for a wide range of potential users, therefore it would seem natural to expect that they be given correct basics of cartographic methodology. Terminology used both in the program and in the MapInfo guides very often differs from the terminology accepted in Polish cartography, which is a serious problem. Not only does it adversely affect the understanding of the program, but also causes chaotic terminology to spread. In the analyzed program the diagram can be generated by as many as four methods of generating a thematic map which makes it the program's most developed method of cartographic presentation. However, it is impossible to generate a diagram map illustrating values of a phenomenon with the use of a graph. Considering all sorts of diagrams (one- and multi--parameter, flat and three-dimentional block), it appears that only a small part of those can be generated in MapInfo Professional. There are options to elaborate one parameter flat geometric diagrams in the shape of a circle, half circle, column, square, triangle and polygon. While editing, the user has the option of changing their filling and contour. The lack of the option to adapt the size of diagrams to the size of base units is the program's very serious disadvantage, as automation and acceleration of map elaboration process is a feature quite expected of GIS software. Including an adequate algorithm seems indispensible. It is possible to generate a line diagram in the same form as a related to point or an area diagram in the program. In such a case the diagram is put in the "middle" of the line to which it refers (fig. 8). The solution is completely inconsistent with cartographic methodology and cannot be classified within cartographic methods of presentation. According to the information in MapInfo user guide (2008) the so-called division method is the equivalent of the second method of presentation mentioned in this article- the choropleth map. It appears, however, that with this "method" it is possible to present all quantitative data. There is no warning that the choropleth map can only be applied for presenting relative data. Moreover, there is no option to generate a continuous or two-variable choropleth map, or a correct legend. Attempts to generate choropleth maps and diagrams in MapInfo have proved that the suggested solutions are not entirely correct and satisfactory. Although the program contains many useful functions, they are underdeveloped and occasionally can even mislead the user.
Źródło:
Polski Przegląd Kartograficzny; 2013, T. 45, nr 3, 3; 201-217
0324-8321
Pojawia się w:
Polski Przegląd Kartograficzny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Możliwości opracowania map w programie MapInfo Professional 10.5 z wykorzystaniem wybranych metod prezentacji kartograficznej
Map Elaboration in MapInfo Professional 10.5 Using Selected Methods of Cartographic Presentation
Autorzy:
Dębowska, A.
Korycka-Skorupa, J.
Powiązania:
https://bibliotekanauki.pl/articles/204416.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Geograficzne
Tematy:
MapInfo
GIS
metoda prezentacji kartograficznej
forma prezentacji kartograficznej
metoda kropkowa
metoda izolinii
metoda sygnaturowa
metoda chorochromatyczna
metoda zasięgów
cartographic presentation method
cartographic presentation form
dot method
isoline method
signature method
qualitative background method
ranges method
Opis:
W artykule zanalizowano i oceniono możliwości opracowania map z zastosowaniem wybranych form prezentacji kartograficznej w jednym z programów typu GIS - MapInfo Professional. Kolejno omówiono opracowane w programie mapy kropkowe, izoliniowe, sygnaturowe, chorochromatyczne oraz mapy zasięgów. Podjęto próbę zweryfikowania poprawności rozwiązań metodycznych zastosowanych w programie i opisanych w podręcznikach użytkownika programu MapInfo.
There is no doubt that the use of GIS type programs is widespread. Almost any computer literate person who wants to experiment with the possibilities of the program is able to make an attempt to create a map or another graphic presentation. In the previous issue of Polish Cartographical Review, choropleth and proportional symbol presentation possibilities of the MapInfo Professional 10.5 program were evaluated. This article discusses and evaluates the remaining methods of cartographic presentation: the dot method, the isoline method, the signature method, the qualitative background method and the ranges method from the point of view of their cartographical correctness. Attempts to create maps in MapInfo have shown that proposed solutions are not fully correct and adequate. Relatively low general evaluation of the program results from its numerous mistakes and missing sections of instructions which often hinder the process of proper map elaboration instead of facilitating it. Despite the fact that MapInfo Professional contains a lot of useful functions, it is not fully developed and sometimes can even mislead the program user. Nevertheless it seems to have considerable potential to become a useful tool in editing correct maps. In order to do it, however, it should comply with the rules of cartography. Although GIS-type programs are supposed to present cartographic data adequately, it should be remembered that in many instances their default automatic options are insufficient. Possibility of creating a software which would allow a non-professional user (with no cartographic skills) to make a correct map is an issue to be considered.
Źródło:
Polski Przegląd Kartograficzny; 2013, T. 45, nr 4, 4; 317-333
0324-8321
Pojawia się w:
Polski Przegląd Kartograficzny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Badania czytelności kartograficznych anamorfoz powierzchni
Readability of Value-by-Area Maps
Autorzy:
Faliszewska, A.
Powiązania:
https://bibliotekanauki.pl/articles/204149.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Geograficzne
Tematy:
anamorfoza kartograficzna
badanie czytelności map
forma prezentacji kartograficznej
value-by-area map
examination of map readability
cartographic presentation form
Opis:
W artykule omówiono badania czytelności anamorfoz powierzchni oraz zarysowano problematykę tego zagadnienia. Prezentacje tego typu są pochodnymi kartodiagramów lub kartogramów (R. Szura 1989), dlatego właśnie z tymi formami prezentacji kartograficznej najczęściej porównywane są anamorfozy powierzchni. Ważną cechą omawianych map jest możliwość prezentacji danych absolutnych oraz łączenie anamorfoz z różnymi metodami prezentacji kartograficznej, głównie kartogramem i kartodiagramem. W artykule wskazano również, które zagadnienia związane z czytelnością tego typu prezentacji nie były dotychczas badane, a należałoby je lepiej poznać w celu usprawnienia przekazu informacji przestrzennych.
The article's aim is to clarify notions related to the problematic aspects of cartogram readability, especially those of value-by-area maps (area cartograms). The value-by-area map is a particular form of presenting data on a map, in which basic unit area is changed depending on phenomenon value. For example, if we present world population by country, the area of each country will be proportional to its population. Cartograms are elaborated and used more and more often in various publications, especially on the Internet. This is a result of the development of GIS programs, which accelerate cartogram generation. Since such presentations appear more and more often, one should think about their perception - what do they convey, whether they are appropriately interpreted and what is viewers' attitude towards them. The first research on cartographic readability was done by B. Dent (1975). The experiment consisted of three parts, which covered: assessment of phenomenon value in basic units through a singular field created in the legend; both the shape of basic units and the shape of range in the legend were important; comparisons of interpretation efficiency of cartograms and circle graduated diagram maps with Flannery's scaling; subjective cartogram evaluation, done by respondents on three levels: general reaction to a presented map, method of presentation on the map and map readability. Research shows that contiguous regular cartograms with preserved spatial continuity are interpreted most efficiently. It is necessary to apply a legend in the form of a square unit with a relatively small phenomenon value. The second test showed that the cartogram is equally efficiently interpreted as the circle graduated diagram map. According to recent research cartograms are an interesting and innovative but difficult to read method of conveying information. Other research pertaining to cartogram readability and interpretation was done by: T.L.C. Griffin in 1983 - identifying areas on cartograms, D.Z. Sui and J.B. Holt in 2008 - map evaluation by respondents, Hui Sun and Zhilin Li in 2008 - comparison of cartograms with traditional methods of cartographic presentation and the comparison of usefulness of various types of cartograms, I. Kaspar, S.l. Fabrikant and P. Freckmann in 2011 - comparison of cartogram and circle diagram map together with choropleth map readability. In the first experiment T.L.C. Griffin indicated that for a good orientation of areas presented on a cartogram, it is necessary to know the geographical position of these spatial units in relation to one another. D.Z. Sui's and J.B. Holfs research referred to the third part of B. Denfs experiment and showed that respondents answer better to cartograms, if they know the main assumptions of their construction. Comparing cartograms with traditional methods of cartographic presentation Hui Sun and Zhilin Li got results which cannot be surprising - the combination of cartogram with color filling of basic fields on quantity level (as in choropleth mapping) was evaluated as less useful in presenting phenomena than a traditional map in the form of a choropleth map. If however the color filling indicated quality information only (candidate support in elections) respondents evaluated the cartogram very favorably. It can thus be stated that cartograms are a form, which well presents quantity information in connection with color filling of spatial units illustrating qualitative data. When comparing types of value-by-area contiguous cartograms respondents were of the opinion that the diffusion contiguous cartogram and the pseudo-cartogram are most useful in presenting population phenomena. The last of the mentioned researches (I. Kaspar, S.l. Fabrikant and P. Freckmann 2011) shows that respondents had greater problems analyzing data presented in the form of a cartogram than on traditional maps. This was particularly visible in relation to questions on the general distribution of a phenomenon. It can thus be said that the efficiency of cartogram reception depends on the shape of basic units before and after transformation, applied algorithm, complexity of information which we want to attain from the map and the appropriateness of legend. Readability and interpretation of cartograms depends on the skills of both the cartographer and the addressee (B. Dent 1975).
Źródło:
Polski Przegląd Kartograficzny; 2012, T. 44, nr 3, 3; 225-238
0324-8321
Pojawia się w:
Polski Przegląd Kartograficzny
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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