雷哥,请教一下按照那个教程第四章,按下preview all 后并未出现棱镜三维图,为什么呢?? @k!J}O
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System being written to file geo_bld.sys `;ofQz4
--- SYSTEM NEW; RESET; RAYS 0 )@xHL]!5m
0 rays defined 3f2%+2Zjt,
--- $PLOT NORM c7[<X<yk
--- $IO PLOT 1jJ>(S
--- SYSTEM FROM GEO_BLD k|$08EK $
System being read from file geo_bld.sys gJ_{V;R