Hi,
i'm rendering large images, the last ones with pov-ray 3.62.

now i switched to v3.7 rc5 and then rc6, and i ran into a big problem:

for many images it takes several hours to just pre-trace the radiosity,
and since i just can use my computer for about 12 hours, i got used to
continue_trace in v3.62, which worked just fine.
when the pre-trace was done and the final rendering was in progress, it could be
interrupted and continued the next day where i left.

but in v3.7 rc5 and rc6 povray is redoing the pre-trace everytime restarted,
even with radiosity_from_file=on and ..._to_file=on.

since i wanted to work with sslt, it has to be v3.7, but the pre_trace of my
actual image takes 11 hours, and i really don't want to do that again and again.
is there no way pov-ray v3.7 will re-use the already calculated values and just
continue_trace ?
or am i missing something ?

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