BibTeX record]: McCamy, C.S., Marcus, H., and Davidson, J.G., " AColor Rendition Chart," Journal of Applied Photographic Engineering 11(3) (Summer issue, 1976), 95-99. Also – it could be that you have 10 different assets, but they are of various sizes. For example, let’s say you have 5 humans, 1 TRex, 2 cars and 1 jumbo jet. For such a scenario, I would create a look dev scene for each group of assets, so everything feels relative in terms of scale. I would then set up the lighting using the grey/chrome and Macbeth, so things are lit neutrally. So mid-grey feels mid grey and white feels white (so no colour in the lights). This would be for each look dev setup. Then I would work on the shaders (no tweaking of lights) and once I am happy with all the look dev for each asset, I would pull all the assets together in a master scene to see how they work look against each other. People in the streets will walk up to the Chrome ball. They’ll want to touch it. If you are not looking, they will touch it. Don’t let them! Don’t let them near your balls. You need to keep them clean. Smudge free.

var f = d.getElementsByTagName(s)[0], j = d.createElement(s), dl = l != 'dataLayer' ? '&l=' + l : ''; One thing I would recommend not doing is: setting up your lighting for your asset, randomly positioning your balls somewhere else, and then adding additional light to make them look ‘evenly’ lit. That kind of defeats their purpose, which is to visually illustrate how things look within the lighting setup where the asset is. As we’ve now added some specularity to the grey diffuse ball, if we were to sample the ball, it will more than likely be higher than 0.19, therefore, we recommend you dial down the baseColour value until the value in render equals 0.19. For illustrative purposes (of which we’ll explore below), I’ve also shot the reference kit in different positions. As mentioned above, if a CG asset were to be added that moves around withing the space, then shooting the additional reference shot makes sense. But if the asset is to remain in one position, then just one set of reference images will suffice. Using the Reference in PostNext, create an Arnold SkyDome (Arnold > Lights > Skydome Light), which will be a 360 white dome of light, and hit render. You should see something like so, and again, when reviewing the values, all should be 0.191. And lastly, before we dive into the nitty gritty, please do remember that capturing this data is no easy task. Life onset is extremely fast paced, so if you don’t get any fancy reference, think about what you could use in plate photography to help you decipher the shot. Maybe a nearby wall is close to being white, so you could use that for grading. Or maybe you can see some useful info on the reflections of a car window. Same thing with the “Fresh snow”. Some charts indicate an albedo value of 0.9, some 0.81. I went for the lowest value since I was more aiming at a diffuse color value chart. Which leads us to our final question… Macbeth Chart Values Macbeth, the war hero of Scotland, meets three witches on a heath and receives a prophecy that he will become Thane of Cawdor and king. After the first part of the prophecy is fulfilled, the new Thane of Cawdor is certain that he will be king. This causes a series of events that make up t he plot of Macbeth.

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