Research Article

An Approach to Computing Multipoint Inversion and Multiray Surface Intersection on Parametric Surface

Algorithm 1

The Main algorithm.

Require:  
1: procedure MAIN
2:if    then
3:
4:end if
5:
6:
7:
8:
9:
10:if    then
11:while    do
12:
13:
14:
15:
16:end while
17:else
18:while    do
19:
20:
21:
22:
23:end while
24:end if
25:if    then
26:while    do
27:
28:
29:
30:end while
31:else
32:while    do
33:
34:
35:
36:end while
37:end if
38: end procedure