National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Simplification of rivers based on the spatial reduction method
Mazur, Dominik ; Bayer, Tomáš (advisor) ; Brůha, Lukáš (referee)
This master thesis is focused on cartography generalization of a rivers using collapse and partial collapse method with the usage of straight skeleton data structure. The proposed method was designed for large scale maps in geographical view and for medium scale maps in cartographic view (till 1 : 100 000). The thesis is focusing on width of a river as stand alone criteria for generalization decision. The presented solution represents set of a criteria which decides on generalization of a river. The presented thesis also solves problematic situations that exist on a river such as islands, junctions, shoulders or bifurcation. The thesis also includes proposed generalization algorithm which is using straight skeleton data structure. The algorithm is implemented in C++ programming language in Microsoft Visual Studio IDE. The algorithm uses external libraries Qt and CGAL (Computational Geometry Algorithms Library) for functioning. Algorithm results are saved in ESRI geodatabase with the usage of Python 2.7 programming language and external library ArcPy. Water areas from ZABAGED were chosen as appropriate data for testing. Achieved results of generalization are presented on test data for various scales and they are compared with base maps of Czech Republic. Keywords: digital cartography, cartography...
Automation of spatial objects modeling in 3D using API of selected modeling software
Mazur, Dominik ; Brůha, Lukáš (advisor) ; Pokorný, Tomáš (referee)
Considering the drudgery related to manual creation of virtual worlds, the opportunity of producing them automatically is too alluring to be dismissed. This bachelor thesis introduces a solution that automates the generation of building's 3D model. The methodological foundation is based on declarative modeling approach and inspired by procedural modeling techniques. Presented work defines the set of rules and parameters. By these means, a faster and more intuitive way to design buildings' models, while preserving the flexibility and control of the user over the construction process, is proposed. The solution is implemented as an add-on for Blender entitled "Buildings generator". The Python scripting, which the add-on is based on, uses the API of open-source software Blender and is available under GNU GPL licence. Keywords: Procedural modeling, Blender, 3D buildings, modeling automation, CityEngine

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1 Mazur, Daniel
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