Virtual reality based on graphic is constructed by means of computer graphic technique 基于圖形學(xué)的虛擬現(xiàn)實是通過計算機圖形學(xué)的方法構(gòu)造的。
Besides, based on the computer graphic techniques, the author also studied the nature of subject projection, texture and lightning to generate three-dimensional vision of surveyed seafloor 同時利用計算機圖形學(xué)的相關(guān)知識,對三維地形圖進行材質(zhì)、光照設(shè)置,逼真地反演出水下地形。
They worked closely with the chapel hill team, which was responsible for taking the “ animated sculpture ” data and using computer graphics techniques to turn it into a realistic scene for each user 教堂山團隊和他們密切合作,負責(zé)取得活動塑像的數(shù)據(jù),然后以電腦繪圖技術(shù)讓每個使用者都看到逼真的場景。
Via computer graphics techniques, it transforms data produced by scientific computing into geometric graphics or images so that they can be displayed on screens and be manipulated interactively . now visc has become a strong tool for the discovery and understanding of many scientific phenomena 它將科學(xué)計算過程中及計算結(jié)果的數(shù)據(jù)轉(zhuǎn)換為幾何圖形及圖像信息在屏幕上顯示出來并進行交互處理,成為發(fā)現(xiàn)和理解科學(xué)計算過程中各種現(xiàn)象的有力工具。
Numerical simulation mainly is performed by finite element method and discrete element method in physics; based on computer graphic techniques and image processing techniques, visualization and graphic simulation are a shortcut method to steer the calculation process and to comprehend the computation results 數(shù)值仿真主要采用有限元、離散元等數(shù)學(xué)物理模型,而可視化技術(shù)及圖形仿真基于圖形學(xué)和圖像處理技術(shù),是駕馭計算過程及理解大體積數(shù)據(jù)的唯一有效途徑。
The representation takes full advantages of traditional and cutting edge computer graphics techniques to achieve an efficient and packed representation for virtual environment; this thesis proposes a sampling rate comparison algorithm based on jacobi matrix to eliminate redundant pixels among the reference images; this thesis proposes a texture reconstruction algorithm to reconstruct the corresponding textures of surfaces suitable for polygon-based representation 該表示充分利用傳統(tǒng)圖形學(xué)和現(xiàn)代圖形學(xué)的新技術(shù),以獲取高效的虛擬場景表達方式;本文提出了一個基于jacobi矩陣的采樣密度比較算法,以刪除參考圖象間存在的大量冗余象素;本文提出了一個平面紋理提取方法。
Combining with the practical project, the development of an instrument for multi-channel harmonic detection and analysis were described in the third chapter, including the system structure, hardware and software of the device . then the technology of multi-channel data gathering was discussed, and some key techniques have been presented including high precision 、 high speed sampling of the voltage and current, fast flourier transform ( fft ), data compression and storage techniques, planar graphic fitting, three dimensional graphic projection, multithreading and the computer graphics techniques 第三章結(jié)合多通道諧波監(jiān)測及故障錄波一體化裝置的研制這一課題,介紹了裝置的體系結(jié)構(gòu)和硬件、軟件構(gòu)成,詳細介紹了在裝置研究過程中所提出的關(guān)鍵技術(shù),主要包括電流電壓信號高精度、高速采樣技術(shù),快速傅立葉變換fft、數(shù)據(jù)壓縮存儲技術(shù),多線程技術(shù),二維圖形擬合、三維圖形投影技術(shù)及海量存儲技術(shù),計算機圖形技術(shù)等。