Visible volume buffer for efficient hair expression and shadow generation

2003 ◽  
Author(s):  
Waiming Kong ◽  
M. Nakajima
Keyword(s):  
Shadow Generation ◽  
Visible Volume

scholarly journals Towards Managing Visual Pollution: A 3D Isovist and Voxel Approach to Advertisement Billboard Visual Impact Assessment

2021 ◽  
Vol 10 (10) ◽  
pp. 656
Author(s):  
Szymon Chmielewski
Keyword(s):  
Cultural Context ◽  
Policy Makers ◽  
Quality Issue ◽  
Geometrical Quality ◽  
Visual Landscape ◽  
Landscape Quality ◽  
Visual Impact ◽  
The Impact ◽  
Visible Volume

Visual pollution (VP) is a visual landscape quality issue, and its most consistently recognized symptom is an excess of out of home advertising billboards (OOHb). However, the VP related research concerns landscape aesthetic and advertisement cultural context, leaving the impact of outdoor billboard infrastructure on landscape openness unanswered to date. This research aims to assess the visual impact of outdoor billboard infrastructure on landscape openness, precisely the visual volume—a key geometrical quality of a landscape. The method uses 3D isovists and voxels to calculate the visible and obstructed subsets of visible volume. Using two case studies (Lublin City, Poland) and 26 measurement points, it was found that OOHb decreased landscape openness by at least 4% of visible volume; however, the severe impact may concern up to 35% of visual volume. GIS scientists develop the proposed method for policy-makers, and urban planners end users. It is also the very first example of compiling 3D isovists and voxels in ArcGIS Pro software in an easy-to-replicate framework. The research results, accompanied by statistically significant proofs, explain the visual landscape’s fragility and contribute to understanding the VP phenomenon.

Shadow generation for volumetric data sets

1998 ◽  
Vol 14 (2) ◽  
pp. 83-94 ◽  
Author(s):  
Rolf H. van Lengen ◽  
Jörg Meyer ◽  
Mathias Matzat ◽  
Hans Hagen
Keyword(s):  
Data Sets ◽  
Volumetric Data ◽  
Shadow Generation

Analysis on the Visible Volume of the Openness of Town Street

1998 ◽  
Vol 33 (0) ◽  
pp. 637-642
Author(s):  
Naishen Hsiao ◽  
Seiji Sato ◽  
Takafumi Arima ◽  
Kyunghee Kim
Keyword(s):  
Visible Volume

scholarly journals Interactive shadow generation in complex environments

2003 ◽  
Author(s):  
Naga K. Govindaraju ◽  
Brandon Lloyd ◽  
Sung-Eui Yoon ◽  
Avneesh Sud ◽  
Dinesh Manocha
Keyword(s):  
Complex Environments ◽  
Shadow Generation

Shadow generation from stereo images

2000 ◽  
Vol 36 (8) ◽  
pp. 720
Author(s):  
Jen-Hui Chuang ◽  
Lou-Wei Kuo ◽  
Hao-Jui Kuo ◽  
Jain-Shing Liu
Keyword(s):  
Stereo Images ◽  
Shadow Generation

Layered occlusion map for soft shadow generation

2010 ◽  
Vol 26 (12) ◽  
pp. 1497-1512 ◽  
Author(s):  
Kien T. Nguyen ◽  
Hanyoung Jang ◽  
JungHyun Han
Keyword(s):  
Soft Shadow ◽  
Shadow Generation ◽  
Occlusion Map
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