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: hYI0S7{G
Line # Description Format DA(ur'D
v"K #
1 File Header !! Source file: file-name .C=I~Z
]((Ix,ggP
2 Format Version Version:1.2 xeGl}q|
:CR1Oy 9
3 TracePro Version TracePro Version: 2 1 0 ,1! ~@dhs
&l0-0T>
4 - 7 Generation data (Varies with creation program) Q~y) V
l[P VWM
8+ Ray data (See below)