I am having trouble adjusting the power of my IES lights in a scene. Doesnt matter what value I put in the “power” slot the output is always the same. Is the power value over-ridden by the IES manufacturer data loaded into the IES slot?

Re: IES light power setting Another question… What is the unit used for the IES Light power parameter (lumens, candelas..)?

Re: IES light power setting What is the unit used for the IES Light power parameter (lumens, candelas..)? Devin wrote Power is in Lumens Chaos: Industry-leading design and visualization software By default the power is set to 0, which means that it will use the IES file itself to determine t…

Re: IES light power setting So you are saying one should get a brighter image by manipulating exposure settings on camera instead of overpowering the ies light? This can be a bitch if you are dealing with environment lighting such as sky for example.. it would overexpose the shot… any ideas?

Re: IES light power setting So you are saying one should get a brighter image by manipulating exposure settings on camera instead of overpowering the ies light? This can be a bitch if you are dealing with environment lighting such as sky for example.. it would overexpose the shot… You must setu…

Re: IES light power setting some IES files are brighter than others also, so it all depends on the IES file you use too. Setting some ridiculous power setting is silly though. Just get IES files that provide the proper level of illumination. Try more than one company’s IES files until you find one …

Re: IES light power setting Could you attach an IES file as example? Which doesnt need extreme values when using phys camera?

Re: IES light power setting here’s an example of an ies light, completely default settings, no sun, physical camera is on. [image] The ies file is named: 80PAR-HIR-SP10_(27216).ies It can be found on eclipselighting.com : http://genet.gelighting.com/LightProducts/Dispatcher?REQUEST=IESCATEGORYPA…

Re: IES light power setting I feel nomatter which ies file u use, the light power is always underrated. For example in real life, in the scene u set up would’ve been overexposed with an iso that high. And on vray it barely scratches… So you find yourself always having to compensate. Either camera o…

Re: IES light power setting Im not sure what is going on there then, I found it to be the complete opposite to what you describe. My IES lighting is too intense for my scenes and needs toning down…

Re: IES light power setting Im not sure what is going on there then, I found it to be the complete opposite to what you describe. My IES lighting is too intense for my scenes and needs toning down… it I leave the IES light power on zero as advised, I have to use extreme settings on the camera i…

IES light power setting

V-Ray V-Ray for SketchUp General

edonk July 4, 2010, 8:01pm 18

Re: IES light power setting

Which version of vray is this you are using?

Rendering V-Ray using Maya batch

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IES light power setting

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