Szécsi, LászlóHajagos, BalázsUmenhoffer, TamásMiguel Chover and A. Augusto de Sousa2014-01-262014-01-2620131017-4656https://doi.org/10.2312/conf/EG2013/posters/015-016We investigate the visibility problem of crease outlines in stylistic and engineering rendering. We discuss why the problem is ill-defined, and offer two different, consistent formulations that lead to artistic and technical drawing styles. We propose real-time, flicker-free GPU algorithms for both problems.I.3.3 [Computer Graphics]Picture/Image GenerationLine and curve generationOn Depth-testing Wide Outlines