I have noticed that Radiance seems to add to your rtrace results the higher you That of an increase in '-ab' so I tend to be pretty bold about these. If you have a detailed geometry (small windows and openings) you should also Gensky program for the 'Ground ambient level' and adjust that for your indoor situation Way to find this is described in RwR using rvu, another is to check the output of the Tiny value in the third decimal you should use '-av' to set a background value. '-ab 20' - impressive! I usually don't go higher than 6. Rtrace -w -h -I+ -ab 20 -aa 0.1 -ad 512 -as 64 -ar 128 DF_OfficeLL.oct OfficeLL.log Radiance in the past and the results differed by 10-15%. The calculation part uses another approach (radiosityĪnyway a difference of 70 % is something to worry about. Se de gode tilbud her - Īre you sure Relux is based on Radiance? According to my knowledge only the visualisationĪdd-on 'Relux Vision' is Radiance based. I appreciate any help and comments on thisĮ-mail: din nye laptop på kelkoo.dk. The same issue arrise when I include external shading (trans) to my model?ĭoes anybody has any insight of the calculation settings in Relux or have I made a beginners mistake of my input in Radiance? I have used the folowing gensky and rtrace command in Radiance:Ħ 21 12 -c -a 59.9 -o -10.8 -m -15.00 -B 55.866 Surprisingly since Relux is based on Radiance the DF which I calculated in Radiance are about 1.7 higher than the ones calculated in Relux (DF calculated in Radiance = 17 and the ones calculated in Relux = 15,3 0.6m from the facade).
In order to double check the DF which I calculated in Radiance I also calculated these for the exact same room with all the same settings (reflectance, transmittance, dimensions, areas of the pane, reference plance, reductions factor = 1 in Relux and city (Oslo)) in Relux.
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