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: pO7OP"q1
Line # Description Format u0arJU_.)
&dWGa+e
1 File Header !! Source file: file-name *_YR*e0^nN
F.aG7
2 Format Version Version:1.2 GVlT+Rs7
YJHb\Cf.
3 TracePro Version TracePro Version: 2 1 0 $
-<(geI
+x`pWH]2
4 - 7 Generation data (Varies with creation program) \/j,
c CDT27@
8+ Ray data (See below)