两个平面的距离
两平面的距离是指互相平行的两个平面
设两个平面是:ax+by+cz+d=0
ax+by+cz+e=0之间的距离为|d-e|/√(a²+b²+c²)
已知三点坐标,求平面方程
(125条消息) 三点求平面方程、平面法向量和点到平面的距离_Bigdz的博客-优快云博客
xl1=cusp_points_x1[0][0]
yl1=cusp_points_x1[0][1]
zl1=cusp_points_x1[0][2]
xl2=cusp_points_x1[0][0]
yl2=cusp_points_x1[0][1]
zl2=cusp_points_x1[0][2]+5
xl3=cusp_points_x1[0][0]+5
yl3=cusp_points_x1[0][1]
zl3=cusp_points_x1[0][2]
al = (yl2 - yl1) * (zl3 - zl1) - (zl2 - zl1) * (yl3 - yl1)
bl = (zl2 - zl1) * (xl3 - xl1) - (xl2 - xl1) * (zl3 - zl1)
cl = (xl2 - xl1) * (yl3 - yl1) - (yl2 - yl1) * (xl3 - xl1)
dl = 0 - (al * xl1 + bl * yl1 + cl * zl1)