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Fizikalno osnovano upodabljanje tekočinskih okolij
ŠMALJCELJ, ALJAŽ (Author), Bohak, Ciril (Mentor) More about this mentor... This link opens in a new window

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Abstract
Upodabljanje volumetričnih podatkov igra ključno vlogo v sodobni družbi, vendar je vse prej kot lahko. Pogosto si želimo fizikalno pravilne upodobitve, med katere spada lom svetlobe v primeru, ko imamo znotraj volumna tekočino. V tem delu predstavimo način generiranja in simulacijo tekočine znotraj volumna za doseg izzvenelosti. Volumen sestavlja več materialov z različnimi gostotami in fizikalnimi lastnostmi. Pripravljen volumen nato upodobimo v obstoječem ogrodju za volumetrično upodabljanje z razširitvijo upoštevanja loma svetlobe. Za jasno vizualizacijo volumetričnih podatkov smo razvili samodejno kreiranje prenosne funkcije za namen vizualnega poudarka delov volumna s podobnimi fizikalnimi lastnostmi. Rezultate smo predstavili v obstoječi spletni aplikaciji ogrodja, kjer ovrednotimo implementirani razširitvi.

Language:Slovenian
Keywords:volumetrično upodabljanje, simulacija tekočine, generiranje volumna, ogrodje za volumetrično sledenje poti, lom svetlobe
Work type:Bachelor thesis/paper (mb11)
Tipology:2.11 - Undergraduate Thesis
Organization:FRI - Faculty of computer and information science
Year:2021
COBISS.SI-ID:77675011 This link opens in a new window
Views:42
Downloads:12
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Secondary language

Language:English
Title:Physically based rendering of liquid environments
Abstract:
Rendering of volumetric data plays a vital role in modern society, yet it is far from an easy task. Frequently we desire physically correct depictions in which light refraction is also included when we are dealing with fluid inside a volume. In this work we present a way to generate and simulate a fluid inside a volume to clear up the fluid. The volume consists of multiple materials with different densities and other physical properties. We use this newly created volume in an already existing volumetric rendering framework with an extension that takes light refraction into account. For clear visualization of volumetric data, we created an automatic generation of transfer function to visually emphasize parts of volume with similar physical properties. We present the results in an existing web application of the framework where we evaluate these implemented extensions.

Keywords:volume rendering, fluid simulation, volume generation, volumetric path tracing framework, light refraction

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