BSc-Thesis-FER-2020

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BSc-Thesis-FER-2020

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BSc Thesis at FER led by Full Professor Željka Mihajlović, PhD

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# Zagreb District Model Based on Real Data
Bachelor of Science Thesis at Faculty of Electrical Engineering and Computing, University of Zagreb, under the mentorship of prof. dr. sc. Željka Mihajlović.

**Paper -** [**PDF**](Paper/zavrsni.pdf)  
**Presentation -** [**PPTX**](Presentation/Bachelor2020Mesaric_Presentation.pptx)  
**Blender Add-on -** [**ZIP**](https://github.com/LMesaric/BSc-Thesis-FER-2020/releases/download/v1.1/zagrebgis.zip)

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### Abstract

This thesis examines the procedure of automatic computer generation of a three-dimensional model of an arbitrary Zagreb district.
The discussion is accompanied by the implementation of the solution in software using the *Python* programming language in the form of an add-on for *Blender* toolset.
The model is based on accurate and publicly available data on terrain, buildings and trees, and is made in 1 : 1 ratio.
NASA’s satellite images created using the ASTER sensor, spatial geoinformation database *OpenStreetMap* and the Zagreb Green cadastre are described and used as data sources.
The generated city model consists of meshes without textures representing the terrain, buildings with flat roofs and trees.

**Keywords:** 3D city model, 3D geoinformation, interactive visualization, Zagreb, OpenStreetMap, Blender, Python, Unreal Engine

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### Examples

**Districts** contains generated models of several Zagreb districts.  
[Utrina.fbx](Examples/Districts/Utrina.fbx) is the largest generated example, covering an area of <code>1.42 km<sup>2</sup></code>.
It contains approximately `320` buildings and `7100` trees.
The entire model has almost `1.5` million triangles and over `750 000` vertices.
Render of the entire area is shown below.

**UE4_Cathedral** is an Unreal Engine 4 project for a demonstrative third person game.
The map is based on the area around the Zagreb Cathedral ([Cathedral.fbx](Examples/Districts/Cathedral.fbx)).
Game screenshot can be seen below.  
Unreal Engine `4.22.3` was used to create the project.
Newer versions such as `4.25` are known to have bugs causing the Mannequin to move extremely slowly or not at all.

**UE4_Cathedral_Build_Win64** is a standalone build of the *UE4_Cathedral* project for 64-bit Windows.
Only the DirectX Runtime is required to run the game.
Unreal Engine is not needed.

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![UE4 Mannequin and Cathedral](https://raw.githubusercontent.com/LMesaric/BSc-Thesis-FER-2020/master/Paper/figures/ue4_game_jumping.jpg)

![Render of Utrina district](https://raw.githubusercontent.com/LMesaric/BSc-Thesis-FER-2020/master/Paper/figures/utrine_entire_render.jpg)

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