[Radiance-general] Render tregenza sky patches by rcontrib and pcomb

[Wang Clarence]

Dear all,

I've been trying to render the Tregenza sky patches by using rcontrib. Each patch was rendered successfully, but when I use "pcomb" which contains "tregsamp.bash" by Axel Jacobs to combine them, the "combined.hdr" was a black picture.

#vwrays -ff $vw |rcontrib @rtc1.opt -ffc $(vwrays -d $vw) -V+ -f tregenza.cal -b tbin -bn Ntbins -o first_tre_p%d.hdr -m skyglow test_sky_sun.oct

#pcomb -h $(bash apply_tregsamp_1.bash) > combine_1.hdr

#the original bash script below by Axel Jacobs was changed in order to be consistent with my code.


# Path to the patch images

imgpath="image_fisheye/patches_tre/first_tre"



for i in $imgpath_*.hdr; do
        # Scan patch number from file name
          patch=$(ls $i \
                          |rcalc -i "$imgpath_p\${pnum}.hdr" \
                           -e "\$1=pnum")
        # Get multiplier from dat file, based on record number
          multi=$(cat tmp_skydist.dat \
                          |rcalc -e "diff=$patch-recno+1;absdiff=if(diff,diff,-1*diff);

   \$1=if(absdiff,0,\$1);" |total)
          echo " -s $multi $i"

done



#EOF

Thanks,

Clarence


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