248 |
|
"| rcalc -e 'r1=rand(($pn+.8681)*recno-.673892)' " . |
249 |
|
"-e 'r2=rand(($pn-5.37138)*recno+67.1737811)' " . |
250 |
|
"-e 'r3=rand(($pn+3.17603772)*recno+83.766771)' " . |
251 |
< |
"-e 'Dx=1-($pbeg+\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)' " . |
251 |
> |
"-e 'Dx=1-2*($pbeg+\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)' " . |
252 |
|
"-e 'xp=(\$3+r2)*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . |
253 |
|
"-e 'yp=(\$2+r3)*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . |
254 |
|
"-e 'zp=$dim[5-$forw]' -e 'myDz=Dz*($forw*2-1)' " . |
315 |
|
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
316 |
|
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
317 |
|
<WavelengthDataBlock> |
318 |
< |
<WavelengthDataDirection>Reflection $side</WavelengthDataDirection> |
318 |
> |
'; |
319 |
> |
print "\t\t\t<WavelengthDataDirection>Reflection $side</WavelengthDataDirection>\n"; |
320 |
> |
print ' |
321 |
|
<AngleBasis>LBNL/Shirley-Chiu</AngleBasis> |
322 |
|
<ScatteringDataType>BRDF</ScatteringDataType> |
323 |
|
<ScatteringData> |