نتایج جستجو برای: texturing

تعداد نتایج: 1274  

Journal: :Computers & Graphics 2001
Jean-Michel Dischler Djamchid Ghazanfarpour

Texturing is indispensable for the realistic rendering since it adds surface details that are usually too complex to be modeled directly. Conventional 2D texture mapping remains the most usual approach to texturing, in particular for real-time applications. However, there are some major drawbacks inherent to this approach: the distortion and the discontinuity of textures as well as the lack of ...

1999
Nate Carr John Hart Jerome Maillot

The solid map provides a view-independent method for solid texturing using an ordinary 2-D surface texture map. The solid map transforms a model’s polygons into 2-D texture space without overlap. It then rasterizes the polygons in this space, interpolating the solid texture coordinates across the pixels of the polygon. These stored solid texture coordinates are then read by a texture synthesis ...

2016
Lei Han Yunxin Wu Hai Gong Wenze Shi Hugo F. Lopez

Recently, there has been great interest in the application of the surface texturing method to enhance material surface performance. Material surfaces sometimes experience rapid temperature changes, and the local surface will obviously generate thermal stresses, which may be detrimental to the material structure. In order to understand the relationship between surface texturing and stresses, a n...

2011
Mohammad Amani Tehran Bahareh Azimi Mohammad Reza Mohades Mojtahedi

Correspondence to: Mohammad Amani Tehran email: [email protected] ABSTRACT In this study, color coordinates variation of spundyed polyester filament yarns subjected to the false twist texturing process was investigated. Furthermore, the effect of different processing parameters including D/Y ratio, twist, heater temperature, texturing speed, overfeed, the draw ratio and intermingling process on t...

Journal: :Optics express 2007
H L Chen S Y Chuang C H Lin Y H Lin

The external quantum efficiency of solar cells can be improved by using texturing pyramid- and honeycomb-like structures with minimum reflection. In this study, we investigated the reflection properties of texturing structures through rigorous coupled-wave analysis and the three-dimensional finite-difference time domains (FDTD) method to analyze close-packed texturing structures. We also demons...

Journal: :Sen'i Gakkaishi 2003

1999
Nathan A. Carr John C. Hart

The current implementation of OpenGL only supports standard 1-D and 2-D texture mapping. An interface is proposed to extend the OpenGL library, to support a simpli ed model of antialiased procedural solid texturing in OpenGL version 1.1. This extension to the OpenGL language does not modify the existing OpenGL standard. It is designed as a supplemental library that works with existing implement...

2007
Matthew B. Edwards Stuart B. Bowden Ujjwal K. Das

Heterojunction solar cells have potential for very high device voltages and currents, yet this relies on correct preparation of wafer surfaces prior to a-Si deposition. This paper investigates the preparation of wafer surfaces by NaOH texturing prior to amorphous silicon intrinsic layer deposition. It is found that with a CP etch or low temperature anneal after texturing, and with correct depos...

2010
Thomas H. Kolbe Gerhard König Claus Nagel Roland Billen Martin Breunig Philippe de Maeyer Gerhard Gröger

This paper discusses the making of three-dimensional geospatial data infrastructure (3D GDI) for Malaysia. The main component of the initiative is 3D city models with CityGML as the standard for data modelling, transfer and exchange. Various aspects of 3D city modelling especially on the construction of the models and texturing of facades via dynamic pulse function are described. The generated ...

One major problem of the conventional solar cells is low conversion efficiency. In this work, we have proposed a new design including hemisphere texturing on top and metallic plasmonic nanostructure under the silicon layer to enhance the optical absorption inside the photosensitive layer.    The finite-difference time-domain (FDTD) method has been used to investigate the interaction of light wi...

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