你插入的是txt的光源文件吗?这样的文件内容有固定的格式的,比如: %H4>k#b@$
Line # Description Format <[?ZpG
S=G2%u!;
1 File Header !! Source file: file-name pj Md
CI=M0
2 Format Version Version:1.2 pd-I^Q3-
ATjE8!gO!
3 TracePro Version TracePro Version: 2 1 0 d&naJ)IoF)
q^h/64F
4 - 7 Generation data (Varies with creation program) RLfB]\w
t&~*!w!+jH
8+ Ray data (See below)