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Brian_LBI

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Reply with quote  #1 
Is there a standard conversion in regards to the podium's color and power of a light to represent real bulb temperature (kelvin) and wattage? For example, If I wanted to create a 4W 3000k LED bulb with 55 degrees beam spread, what would I set for the power and color?

Thanks!
arqcova

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Reply with quote  #2 

JLO made an excellent app for that

 

http://supodiumforum.websitetoolbox.com/post/light-temperature-and-podium-9325604?highlight=temperature&pid=1301570342


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Brian_LBI

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Reply with quote  #3 

Great that is very helpful for temperature.

Is there anything on converting wattage to an equal podium "power"?

Thanks for the quick response!

arqcova

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http://suplugins.com/help2/adjusting-light-power.php

 

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In SU Podium, we use the term "Light Power" to correspond to the brightness of a light. Although it is not an exact correlation, a Podium light power of 1 is designed to approximate the brightness of a 60 watt lightbulb.


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bigstick

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Reply with quote  #5 
This quote is not strictly true.

Podium light output is not calibrated.

Also - technically there is no such thing as a 60 Watt lightbulb although given that you can't easily get CFL or LED lamps in that wattage, it's implied that it's incandescent...
It just happens (fortunately [smile]) that a light power level of 1 is similar to a 60Watt incandescent lamp.

Lamps (what engineers call the the things we call 'bulbs') come in different types and each type gives off a different amount of light for any given amount of power.

Incandescent lamps need a higher wattage to deliver a set lumen output, CFL (compact fluorescent) lamps need a lower wattage, and LED lamps a lower wattage again.

Podium is a visualisation tool, not a tool to create accurate lighting simulations of artificial light.

We have configured our Browser fittings to give a similar output to actual lights, but no-one should ever think that it's accurate, it's a guess. It's definitely good enough to check how many fixtures you need in a space, and broadly what effect the lights will have, but little more than that.

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jlo

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Reply with quote  #6 
If you specifically need light/lumen and color accuracy for any given bulbs and/or lighting condition - there is software out there made just for that but i dont recall the name. 
arqcova

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Reply with quote  #7 
some ex-co-worker of a past job used https://www.dial.de/en/dialux/ 
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bigstick

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Reply with quote  #8 
Also Relux
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Brian_LBI

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Reply with quote  #9 
Thanks for the tips everyone!
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