頭部形體結構研究與數位建模的應用－以「光照邊際」在ZBrush中的實現為例

The Study of Head Shape Structure and the Application of Digital Mold-Building: By Taking the Realization of "Light Illumination Margin" in ZBrush

魏道慧(Tao-Huei Wei)

藝用解剖學 ； 數位建模 ； 外圍輪廓線 ； 光照邊際 ； Art anatomy ； Digital model-building ； Outskirt profile line ； Light-illumination margin ； ZBrush

藝術學報

94期（2014 / 04 / 01）

29 - 56

繁體中文

「藝用解剖學」的研究對寫實人物的造型實踐占有極重要的地位。由於光的行徑與視線相同，因此光源與視點位置相同時，「光照邊際」即為輪廓線經過處。本研究採文獻探討與實物觀察等途徑，以「正面視點外圍輪廓線經過的位置」為例，籍由光向量的安排，以科學的務實方法透過明暗差異，進行解剖形態、造形規律分析，以及在ZBrush建模的應用探討。「正面外圍輪廓線經過處」在頭頂、頰側、下巴，它是由不同的弧面交會而成，沒有明確的輪廓線，因此不藉由「光」的投射，很難認清、表現形體起伏。本研究期望能開啟跨領域結合之路。

The research of art anatomy plays a very important role in shaping realistic figures. As light travels by following the same path that of eyesight, when light source matches the location of sight point, light illumination margin makes the profile line that passes by the spot. The research in question is carried out based on literature study and goods observation among other practices, Taking the path of outskirt profile line of front visual spots as an example, by arranging light vector and applying the scientific and practical methods as well as the difference between brightness and darkness, a research is conducted using shaping rule analysis and applying the ZBrush model building. The front out skirt profile line passes the top of the head, the cheeks and the chin and it is formed by a number of different curves crossing one another. As there are no visible profile lines, light projection would be necessary, or it would not be able to identify the shape that goes up and down. It is expected to see the research in question opening a new path where different fields could be joined.

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   連結：
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