2013
fxphd
Matt Leonard
7:52:00
English
In our ‘Introduction to KATANA’ course we cover all the main areas of KATANA for both Look Development and Lighting. Using Arnold as our main renderer, we start the course with a good overview of KATANA before jumping into a mini project in week two. From there we systematically cover all the main areas of KATANA from asset management to shader building and assignment, lighting, rendering and everything in between
Class 1: Our first class gives a general overview of KATANA. We start by looking at how KATANA fits into the overall VFX pipeline. Next we look at its history and user base before getting into the nitty gritty of how KATANA works. We look at its node based workflow, how it can be used for both Look Development and Lighting, and also how it can work with multiple renderers including Arnold and RenderMan. Finally we look at KATANA's user interface and how the node switches work.
Class 2: We jump straight into Katana, completing a project start to finish. We start by importing our model, a robot saved as an Alembic cache, then we add a camera, materials and lights, and finally we render it.
Class 3: We look at moving data out of Maya via the Alembic file format. We look at what types of data Alembic caches can store, scene organization in Maya, and the Scene Graph in Katana. We finish up looking at how to create bounding boxes in Maya which can be used in Katana to save opening your main geometry.
Class 4: We start our main project, the Lego Pirate house. We start the class by loading in the Alembic cache from Maya and setting some Preferences in the Graph Editor. From there we create Materials for both RenderMan and Arnold. We look at surface shader parameters and then at the Visibility Assign node. From there we look at the MaterialStack, Material Assign, GroupStack and MaterialResolve nodes.
Class 5: We continue our main project moving into the Look Development stage. We start the class by re-looking at Look Development - what is it and where does it fit into the VFX pipeline? From there we start our exploration of Look Files, beginning with LookFileMaterialsIn and LookFileMaterialsOut. Next we look at one of the main tools LookFileBake followed by LookFileGlobalsAssign and the LookFileManager. We finish up the class by looking at a new app for executing (Kick[ing]) Arnold .ass files externally of Maya.
Class 6: We look at Tabs (Editors) in Katana. We cover Attributes, the Catalog, the Monitor and Viewer, The Node Graph, the Parameters and finally the Scene Graph. During this class we take a break from our Lego house project and use The Foundry's standard robot demo file.
Class 7: We return to our Lego Pirate House project which will have received a number of updates including some trees and a Lego character. The class will be focused on lighting in Katana and we start by looking at the LightCreate node. From there we look at the Gaffer node, Light Rigs, Master Light Materials, Constraints and Light Linking.
Class 8: We continue to look at lighting in Katana, this week focusing on Shadows and Arnold Sky Domes, before transitioning to look at Interactive Render Filters.
Class 9: We cover Rendering in Arnold and outputting Render Passes including AOV's. We also look in detail at Samples and Ray Depth, the key to getting great renders out of Arnold.
Class 10: In our final Katana 101 class we cover a mixture of areas. These include 2D Compositing, Network Materials, Attribute Scripts, Instancing, .args Files, and the .katana Folder. We finish up the class looking at some new documents from Solid Angle which help you to remove noise from your Arnold renders.
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