成分開始交点数列 { 1, 7 } 符号付偶数交点数列 { 10, 12, -8, -4, -6, 2 } 始点座標 { { (r,-45,2r/3,-7r/3), (r,-5,2r/3,-7r/3), (r,0,2r/3,-7r/3) }, { (r,180,-8r,5r/4), (r,180,-6r,5r/4), (r,180,-2r,3r/4) } } 射影交点座標 { (r,-45,2r/3,0), (r,-13…