|
|
Analysis of the celestial maps
Považan, Juraj ; Bayer, Tomáš (advisor) ; Čábelka, Miroslav (referee)
Analysis of the spheric map Abstract The master thesis deals with cartometric analysis of maps of the celestial sphere using image correlation. The main goal of this work was to design an algorithm for the identification of stars on old maps of the starry sky using a normalized cross-correlation and the application of a median and Gaussian filter. The analysis itself takes place on small scale maps or. the whole visible sky divided into two hemispheres, shown in a stereographic projection and also takes into account the influence of the cartographic map display on the position of objects, which it tries to eliminate by Helmert transformation, and also the influence of precession, which affects the position of astronomical objects over time. The accuracy of the drawing of the positions of the objects is evaluated by means of isolines drawn on the basis of positional coordinates. The algorithm was implemented in the Matlab programming environment and old maps from the Mapová sbírka PřF and the 5th edition of Bright Star Cataloque were used as test data, which contains the positions of stars with precisely determined coordinates. The achieved results are presented in the form of images of captured objects and created isolines over old maps as well as tables of the three nearest neighbors of the most important...
|
|
|
Representation of the world in early maps
Jílková, Petra ; Bayer, Tomáš (advisor) ; Semotanová, Eva (referee)
Representation of the World in Early Maps Abstract The thesis deals with an analysis of the representation of the world in early small scale maps in the 16th - 18th centuries. The theoretical framework consists of the outline of the historical context of the given period with emphasis on the representation of the world in connection with the progress of the discoveries and the expansion of the geographical horizon. The development of navigation methods and technical means used to determine the latitude and longitude that had a direct impact on the positioning accuracy of topographic map elements are depicted, too. The practical part of the thesis is focused on the cartometric evaluation of selected map works of European cartographers of the period of 16th - 18th centuries, which consisted of the analysis of cartographic projection and the analysis of the positional accuracy of topographic content. The geometric accuracy of the maps is assessed mainly by the value of the positional deviations in the north-south and west-east directions. Based on the results of the cartometric evaluation, the evolution of the topographic content positioning is determined and the approximate time process of expanding the image of the known world on the contemporary maps is captured. The graphical outputs of the thesis are...
|
|
|
Analysis of the map projection of maps in 17th century
Považan, Juraj ; Bayer, Tomáš (advisor) ; Buchar, Petr (referee)
Analysis of the map projection of world maprs in the 17th century Abstract Bachelor thesis deals with the analysis of map projections and the estimation of their parameters (i.e, the constant values of projections) of early maps from the 17th century. The aim of the thesis is to find and evaluate the most commonly used projections for the planisphere, hemispheres and large territories. The introduction is focused on the development of map projections throughout history and their general classification, together with the overview of specific projections well known within the 17th century. A general description of the projection analysis methodology that was practically implemented in the software detectproj, is presented. The research part includes a detailed description and summarization of the results of analysis of the selected maps divided into several categories (according to the extent of the mapped area). Finally, the projections used and their parameters across each category together with the short explanation are summarized. Keywords: analysis, map projection detection, history of cartography, cartographic projection, criteria, mathematical cartography, detection parameters, early maps.
|
|
|
Influences and receptions of older and contenmporary cartographic handworks in cartographic handworks of 16 - 18th century
Chrást, Josef ; Bayer, Tomáš (advisor) ; Grim, Tomáš (referee)
Influences and receptions of older and contemporary cartographic handworks in cartographic handworks of 16-18th century Abstract The master thesis deals with mutual inspiration and copying maps and map outputs among the authors of important cartographic works of the Czech lands from the period 1526-1720. The aim of the thesis is to draft and test a methodology for analyzing degree of similarity between two different old maps. Based on the results of analysis it will be possible to say whether one of the map is a complete or a partial copy of the other map. The main part of the thesis is devoted to the draft of the methodology that allows comparison of two different old maps showing approximately the same territory, originating from a similar period and having generally the same scale. The practical part of the thesis is focused on verification of the methodology based on the analysis of the oldest cartographic handworks of Moravia from the Map Collection of Charles University in Prague and another Moravian map collections. The aim is to find "similar" maps and determine the degree of their similarity. Keywords: history of cartography, old maps, Moravia, Jan Amos Komensky, Pavel Fabricius
|
guest ::
