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?? L^3~gZ
System being written to file geo_bld.sys Lo
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--- SYSTEM NEW; RESET; RAYS 0 (.4mX
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0 rays defined +Rn]6}5m\
--- $PLOT NORM ; S7
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--- $IO PLOT fQRGz\r*k
--- SYSTEM FROM GEO_BLD ^d Fdw\
System being read from file geo_bld.sys +!Q <gWb