Banca de DEFESA: GABRIELA LINHARES DA SILVA

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
STUDENT : GABRIELA LINHARES DA SILVA
DATE: 27/05/2022
TIME: 09:30
LOCAL: Videoconferência
TITLE:

Virtual reality for the visualization and dissemination of architectural heritage: study of methods and techniques for the creation of 3D interactive virtual environments

KEY WORDS:

3D Interactive virtual environments. Virtual reality. Digital photogrammetry. Geometric modeling. Game engine.   

PAGES: 349
BIG AREA: Ciências Sociais Aplicadas
AREA: Arquitetura e Urbanismo
SUMMARY:

This work presents a study on the use, applications and stages of creation of three-dimensional Interactive Virtual Environment (3D IVE), related to Virtual Reality (VR), focusing on the process of generating geometric models for the visualization and dissemination of architectural heritage. Based on an extensive literature review and theoretical background, the definitions of the terminology virtual reality and virtual environments are discussed and established, and examples of 3D IVE in the field of built heritage are presented. Then, an overview of the stages of development of a 3D interactive virtual environment is presented, indicating possibilities of methods, techniques and tools for the execution of each stage. An extensive investigation into the generation phase of the geometric models for real-time processing was also performed, including the mapping of workflows, theorical foundations on geometric modeling, point cloud and polygonal mesh models, topology and retopolgy, UV texture mapping, among other concepts, approaching different types of geometric models, their characteristics and methods of generating these geometries. Finally, a case study made in the Historic Center of Laguna city is described and discussed for practical experimentation of the proposed 3D IVE development stages and the generation of photorealistic geometric models from a data acquisition with digital photogrammetry. The case study consisted of the partial development of an interactive virtual environment in the Unreal Engine 4, with the testing of several techniques and tools to obtain models in different levels of detail. This work contributed to the clarification of the development of VR applications, the definition of a base workflow for the generation of geometric models of historic buildings for use in 3D IVE and the presentation of possibilities for using and interacting with these models in a game engine.

BANKING MEMBERS:
Presidente - 3320971 - NATALIE JOHANNA GROETELAARS
Interno - 116.116.345-04 - ARIVALDO LEAO DE AMORIM - UFBA
Externa ao Programa - 3357271 - LORENA CLAUDIA DE SOUZA MOREIRA
Externo à Instituição - LUIS MIGUEL COTRIM MATEUS