Google. Ruff's Stuff - CG Blog - Journal - Making Mirrored Ball and Panoramic HDR Images - Part 1. If your looking for a cheap mirrored ball you can buy an 8" Stainless Steel Gazing Ball here at Amazon.com for about $22.
They also have smaller 6 " Silver Gazing Globe for about $14. It can easily be drilled and mounted to pipe or dowel so that it can be clamped to a c stand otr a tripod. First, Im no Paul Debevec. First, let's start by clearing something up. I use the mirrored ball technique and a panoramic technique for capturing HDRI's. Shooting Mirrored Ball Images I've been shooting mirrored balls for many years now. However, mirrored balls are cheap and easily available. The Size of Your Balls My balls are different sizes, (Isn't everyones?) Taking the Photos With eveything set up like we've mentioned, I like to find the darkest exposure I can and expose it all the way up to being blown out.
Chrome Ball Location When shooting a mirrored ball, shoot the ball as close to where the CG subject will be. Camera Placement Shoot the ball from the movie plate camera angle. Don't Worry About... Ruff's Stuff - CG Blog - Journal - Working with Mirrored Ball HDR Images - Part 2. I already talked about creating chrome balls and parnoramic HDR images, now let's talk about how to use them in max.
This article covers just the mirrored ball technique. We'll talk about panoramic images in a follow up article. If you're looking to buy a gazing ball, click here. Step 1 - Environment Map - Background Let's set up the background image so we can see our render, pre-composited, on the background. Throw a sphere into the scene and apply a fresh Vray material to it. This is because Vray assumes the environment\background slot is what you are lighting with. Step 2 - Setup the HDR Light Now that we have a background with no light coming into the scene, let's set up your light.
Step 3 - Deal with the Grain and Gamma So if your image looks like the one above, the first thing you'll notice is the grain. When you gamma correct, you change the overall contrast. Step 4- Make a virtual mirrored ball Hey, whos that handsome fella? Let's make a key light. Agisoft PhotoScan Tutorial – The Basics.
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