Double-click a part with the emissive material applied to open the Material properties and uncheck Visible to Camera in the Advanced section. This allows you to create your last Model Set (named “Product Alpha” in the video above).įinally, to display only the shadows, drag-and-drop the emissive white material from the Library window, Material tab onto the parts in the scene. Right-click the selected parts and select the Create Model Set from Selection option at the bottom of the pop-up menu. Back in the Scene Tree, in the “Product” Model Set, select the parts that have the shadows you want to separate. Now you can set up the last Model Set, which will be used to create an independent shadow layer. Before proceeding, right-click on one of the Model Sets and select Render Thumbnails to quickly update the thumbnail images so you can easily identify the different sets. You can also import any 3D model from outside of KeyShot. In the video above, the model is available on the Cloud Library and will download to the Library window, Models tab. Make sure the “Product” Model Set is selected and drag-and-drop your model into the scene. With the new Model Set created, lock the “Ground” Model Set by clicking the padlock icon. This ensures that the new Model Set does not contain a duplicate ground plane. Important: When you add the new Model Set, make sure that Link Materials and Always Visible are unchecked, and that Ground Plane is also unchecked. Then, right-click the Model Sets panel and select Add Model Set. Back on the Scene tab, rename the Model Set, “Ground", to make it easier to identify. At this point, the scene should appear empty, which is ideal for the ground plane Model Set. From there, change the Opacity Map Mode to Inverse Color to blend the ground plane with its environment. Next, select the Textures sub-tab, click the Opacity input, and change the Texture type to Occlusion. In the Properties sub-tab, change the color to black. Next, double-click the Ground Plane item in the Project window, Scene Tree to display the Material settings and change the material Type from Ground to Flat. To add a ground plane, select the Edit menu, then Add Geometry, Add Ground Plane or or use Ctrl-G (Windows)/ Cmd-G (Mac). To do this, start with an empty scene in KeyShot and add a ground plane. The easiest way to have more control over your product shadows during post-processing is to start by isolating and rendering the shadow as an image with a transparent background. It’s a method that works great to dial in or have separate control over the ground shadow size, and color, or adjust how it interacts with other shadows in the scene. When you need to have greater control over your ground shadow or have it completely separate from the product rendering, this method provides a repeatable process to use across your product renderings. But what about ground shadows? And how can you create a separate ground shadow with a transparent background? Read on to learn how to setup a scene to generate a ground shadow layer for ultimate control (without creating a harsh shadow pass) and, as a bonus, learn more about working with Models Sets in KeyShot. KeyShot provides plenty of tools to create realistic-looking shadows in any setting.
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