…Normally, to display a parallel coordinate system, we use only the origin O and the x- axis and y- axis with arrows pointing in the positive direction, and only display the unit point 1 when necessary (Figure 3). The most commonly used parallel coordinate system is one in which both coordinate axes intersect at right angles and the lengths of OI and OJ are equal to the unit of length on a plane; this is called an orthogonal coordinate system. In contrast, a general parallel coordinate system is called a skew coordinate system. … *Some terminology explanations that mention "orthogonal coordinates" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…通常は平行座標系を表示するのに,原点Oと正の向きを矢印で示したx軸,y軸だけをもってし,必要があるときのみ単位点を1で表示する(図3)。もっともよく用いられる平行座標系は,両座標軸が直角に交わり,OIとOJの長さが平面上の長さの単位に等しいもので,これを直交座標系orthogonal coordinatesと呼んでいる。これに対し一般の平行座標系を斜交座標系skew coordinatesという。… ※「orthogonal coordinates」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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