[Radiance-general] "INDIRECE"in .rif file

[victor li]

If i delete the rif file and change the command " rad 5.rif" into "oconv
5.rad 5_sky.rad > 5.oct". And run again, the results looks the same.


2010/1/29 Lars O. Grobe <grobe at gmx.net>

> Hi Victor!
>
>  Actually, i know what you mean, but the result is strange, it is not what
>> we expect. I donot know what is wrong in my setting. I used rad and rtrace
>> command as follwoing:
>>
> Hm, I still do not get why these two programs could be related.
>
>> RAD 5.rif
>>
> I guess this is a typo, and what you actually type in is in small letters
> (rad 5.rif?). What is the result of this, I think there is no view given in
> your RIF. Is there any result from the run of rad? I would expect nothing to
> happen, as rad has nothing to do?
>
>
>  rtrace -I -h -dp 2046 -ar 32 -ms 0.063 -ds .2 -dt .05 -dc .75 -dr 3 -sj 1
>> -st .01 -ab 8 -aa .1 -ad 512 -as 256 -av 0.01 0.01 0.01 -lr 12 -lw .0005 -af
>> 5.amb 5.oct < 5.pts > 5.dat
>>
> How is this related to your rad-call? Why do you have this low ar-setting?
> Where are all these values derived from?
>
>
>  In the .rif file: RESOLUTION= 640 480
>> DETAIL= MEDIUM
>> VARIABILITY= MEDIUM
>> QUALITY= MEDIUM
>> INDIRECT= 5
>> REPORT= 2
>>
>> render= -i
>>
>> So the result of rtrace command would donot matter with the seting in
>> .rif. However, if i changed the "INDIRECT" and keep any other settings the
>> same, the result of rtrace command is different.  Do you know the reason?
>>
>
> Delete your RIF-file. Run the rtrace-command with the same parameters
> (maybe increase the ar first) several times, and compare the output in
> 5.dat.
>
> Cheers, Lars.
>
>
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