正交球

球面交点坐标

分坐标x

分坐标y

分坐标z

垂心球

距对点

1

ABC

D

0

0

0

0

2

ABC

D +

2 a b 2 c 2 t v a b c

2 a 2 b c 2 t v a b c

0

3

ABD

C

a b 2 c 2 t v + a b d

a b 2 c 2 t v + a b d

a b c ( a b c + a b d + v ) t d ( v + a b d )

0

4

ABD

C +

a b 2 c 2 t v a b d

a 2 b c 2 t v a b d

0

5

ACD

B

a b 2 c 2 t v + a c d

a b c ( a b c + a c d + v ) t d ( v + a c d )

a 2 b 2 c t v + a c d

0

6

ACD

a b 2 c 2 t v a c d

a b c ( a b c a c d + v ) t d ( v a c d )

a 2 b 2 c t v a c d

0

7

BCD

A

a b c ( a b c + b c d + v ) t d ( v + b c d )

a 2 b c 2 t v + b c d

a 2 b 2 c t v + b c d

0

8

BCD

A +

a b c ( a b c b c d + v ) t d ( v b c d )

a 2 b c 2 t v b c d

a 2 b 2 c t v b c d

0