contraprep.与……相反adv.正相反n.相反事物；反对意见；【会计】对方账户，抵销账户pref.表示“相反”，“反对”；【音】表示“低”、“下”Contralgin丁卡因[局麻药]

1. The derivative of radial curvature on the model surface is used as the second pass texture mapping coordinates, by a calculation using Euler formula.
   再通过欧拉公式计算径向曲率及其方向导数值，作为第二步映射的纹理坐标。