Browsing by Author "Aran, Medeni Erol"

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Open Access
Bina tahsis planlarından 3-boyutlu şehir modellerinin üretilmesi ve görüntülenmesi
(IEEE, 2006-04) Oǧuz, Oğuzcan; Aran, Medeni Erol; Yilmaz, Türker; Güdükbay, Uğur
This paper presents a method for the automatic generation of different building models to be used to populate virtual cities and a system of visualization of generated city models. The proposed method incorporates randomness but the derivation process could be steered by the help of derivation rules and assigned attributes. The derivation method is inspired by the shape grammars. During the derivation process, the floor plans of the actual cities are used to generate 3D city models. Given the city plans, the derivation rules and definitions of some basic nesnects, the system generates 3D building models and the generated city model could be visualized. © 2006 IEEE.
Open Access
A hybrid hair model using three dimensional fuzzy textures
(2007) Aran, Medeni Erol
Human hair modeling and rendering have always been a challenging topic in computer graphics. The techniques for human hair modeling consist of explicit geometric models as well as volume density models. Recently, hybrid cluster models have also been successful in this subject. In this study, we present a novel three dimensional texture model called 3D Fuzzy Textures and algorithms to generate them. Then, we use the developed model along with a cluster model to give human hair complex hairstyles such as curly and wavy styles. Our model requires little user effort to model curly and wavy hair styles. With this study, we aim at eliminating the drawbacks of the volume density model and the cluster hair model with 3D fuzzy textures. A three dimensional cylindrical texture mapping function is introduced for mapping purposes. Current generation graphics hardware is utilized in the design of rendering system enabling high performance rendering.