virtual memory level 中文意思是什麼
virtual memory level
解釋
虛擬存儲級-
First, the system builds the model of the bank and bottom of river, according to the river ’ s information and the information of the scene on the two side of the river. second, i read and preprocess the model file data and implement the organization and encapsulation about the space data of the virtual river. in the end, adopting to use these rending technology, such as show list, priority texture, and level of detail, i realize the real - time and vivid showing of the three dimension river ’ s virtual scene and provide abundant ways of people ’ s interacting with the virtual scene, on base of sufficiently making use of the memory of vision card and the cpu of the computer
它主要融合虛擬現實技術、三維數據可視化技術、面向對象的設計和編程技術，在vc + +平臺上，利用opengl三維圖形開發庫，以真實的城市河道現狀信息和周邊景物信息為依據，對河道、河底的三維空間數據進行三維幾何建模;然後通過讀取和預處理模型文件數據，實現虛擬場景空間數據的組織和封裝操作，並對空間數據進行優化;最後採用顯示列表、紋理優先級、細節層級模型（ lod ）等渲染技術，利用opengl的渲染特性，在充分發揮顯卡內存、處理器等各種軟硬體資源的基礎上，實現三維河流實時逼真的真實感虛擬場景顯示，並提供豐富的人機交互手段。
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