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Groundglow luminance

dc_sky.rad looks like the below. With RGB = 1,1,1, is the ground glowing just as brightly as the sky?

#@rfluxmtx h=u u=Y
void glow groundglow
0
0
4
1 1 1 0

groundglow source ground
0
0
4
0 0 -1 180
#@rfluxmtx h=r1 u=Y
void glow skyglow
0
0
4
1 1 1 0

skyglow source sky
0
0
4
0 0 1 180

groundglow in the window group DMXs:

rcontrib -fo+ -ab 2 -ad 512 -as 256 -dj 1 -dp 1 -dt 0 -dc 1 -lw 0.001 -n 1 -fda -c 10000 -bn 1 -b if(-Dx*0-Dy*0-Dz*1,0,-1) -m groundglow -f reinhartb.cal -p MF=1,rNx=0,rNy=0,rNz=-1,Ux=0,Uy=1,Uz=0,RHS=+1 -bn Nrbins -b rbin -m skyglow -y 145

Groundglow luminance

dc_sky.rad looks like the below. With RGB = 1,1,1, is the ground glowing just as brightly as the sky?

#@rfluxmtx h=u u=Y
void glow groundglow
0
0
4
1 1 1 0

groundglow source ground
0
0
4
0 0 -1 180
#@rfluxmtx h=r1 u=Y
void glow skyglow
0
0
4
1 1 1 0

skyglow source sky
0
0
4
0 0 1 180

groundglow in the window group DMXs:

rcontrib -fo+ -ab 2 -ad 512 -as 256 -dj 1 -dp 1 -dt 0 -dc 1 -lw 0.001 -n 1 -fda -c 10000 -bn 1 -b if(-Dx*0-Dy*0-Dz*1,0,-1) -m groundglow -f reinhartb.cal -p MF=1,rNx=0,rNy=0,rNz=-1,Ux=0,Uy=1,Uz=0,RHS=+1 -bn Nrbins -b rbin -m skyglow -y 145