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Analysis of an accuracy of laser scanning
Vacová, Dominika ; Kohout, Jan (referee) ; Volařík, Tomáš (advisor)
The main goal of this master thesis is processing a point cloud with respect of possibilities of a registration clouds based on reference objects or on objects in general. This thesis studies transformations to the reference coordinate system S –JTSK. The first part of this thesis describes a theoretical background of the laser scanning and its use. A practical part shows the results and the evaluation of whole research.
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Analysis of selected variations of the gravity due to the mass dynamics
Volařík, Tomáš ; Lederer,, Martin (referee) ; Vatrt, Viliam (referee) ; Mojzeš,, Marcel (referee) ; Weigel, Josef (advisor)
This dissertation is focused on a study of selected environmental effects influencing terrestrial gravity observations. Global geopotential models were used to compute quantities of the disturbing gravity field and its variations during time period. Furthermore, analyses of an atmospherical and hydrological effects on the gravity observations were provided. The computation was realized at the station Pecný, however the concept was proved and compared with data from station Strasbourg. Consequently, the results were discussed with respect to quasigeoid modelling established from gravity and astrogeodetic measurements. The result and recommendations for future research are exposed.
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Testing of the accuracy of the heights measured by GNSS
Stolárová, Ivana ; Volařík, Tomáš (referee) ; Kuruc, Michal (advisor)
The diploma thesis deals with a testing of the real coordinates accuracy measured in favorable and unfavorable conditions, which are determined by method GNSS RTK. The work explores the real accuracy and reliability of heights measurement with the signal noise and multipath interference occurring, caused by surrounding vegetation, buildings, power lines, and also the accuracy under optimal conditions while measuring in a meadow. Influence of day time, observation length, correction provider to internal and external precision is watched. It also examines the issues of initialization in these conditions. For this purpose was collected set of statistics containing 960 measurements on 30 points. During survey was used apparatus Trimble R4. GNSS measurements were statistically processed and evaluated and finally the results were compared with the results of Bc. Klára Kordasová, who measured the same tested points with identical methodology using apparatus from Leica company. Results of the thesis can be used in praxis.
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Basement model of the house in Revit
Vystavěl, Ondřej ; Volařík, Tomáš (referee) ; Berková, Alena (advisor)
The aim of my bachelor thesis is to make a model of basement of a slab block in software Revit Architecture. In the theoretical part of my thesis my aim was to make out chapters of methodical manual. The thesis mainly mentions chapters concerning how to use the work environment, preparatory work for modelling, creation of walls, building foundations and graphical outputs. Work with point cloud is outlined in the thesis as well. Solution of discrepancies between bases which was found out during work is also described.
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Creation of 3D model of building
Sikorová, Lucie ; Volařík, Tomáš (referee) ; Hanzl, Vlastimil (advisor)
The aim of this work is to create a 3D model of the faculty of civil engineering, Brno university of technology. The dimensions of the model are based on geodetic measuring and elaborated in Sketch up. The main output of this work is a model of above mentioned building covered by textures and evaluate the possibility of presentation the model on the internet.
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Parametric city modelling
Demková, Michaela ; Kratochvíl, Richard (referee) ; Volařík, Tomáš (advisor)
This thesis deals with the creation of a parametric 3D city model based on available spatial data.. The content is divided into two parts. The theoretical part describes the current state of 3D modeling and the second part describes the process of creating the final model and its conversion to CityGML.
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