摘要
我們提出一個新的以資料驅動合成方式來設計火焰畫。我們系統預先計算一組有著不同類型的基底火焰資料，並且將他們以流線資料的形式儲存並建立基底資料庫。我們的系統同時也提供一個設計介面讓使用者能夠簡單地以骨架設計出火焰的形狀。之後，我們 再以資料庫內的流線適應到所設計火焰形狀的骨架上以合成出設計的火焰動畫影格，接著 再利用流圖來合成出所設計的火焰動畫。所使用的適應方法的目是用來選取一組基底流線的線性組合來適應到使用者所設計的火焰形狀的骨架。流圖以有限的動畫影格產生一個可以長時間撥放的動畫並且可以讓維持在即時幀率。另外，我們的設計流程可讓使用者不用去調整物理參數以設計出火焰的形狀。
並列摘要
We present a novel data-driven synthesis approach to design and animate the fires. Our system precomputes a set of basis fire simulations with different configurations and stores these basis fires as pathlines to construct a basis database. Our system also provides an interface for users to design the shape of fires easily by using the skeletons. Then, we synthesize the designed fire animation frames by using the pathlines in the database to fit the skeletons of designed shapes and apply the flow graph to synthesize a fire animation with the desired shapes. The fitting method is employed to select a set of pathlines of basis fires in order to fit the skeletons of the designed fire shapes. The flow graph is used to generate a long-lasting fire animation by using the finite animation frames and make the synthesized fire animation run at real-time rates. Our design process enables users to design the fire shapes without worrying about tuning the physical parameters.
參考文獻
延伸閱讀
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