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From BIM to Beautiful: Utilizing Autodesk Revit Models for Architectural Visualization Daniel Dixon Project Coordinator @coffeecup3d

About the Speaker Project Coordinator, The Beck Group (Atlanta, GA) BIM Modeling/Documentation Consultant Coordination Visualization Master of Science in Architecture, Georgia Institute of Technology (2012) Graduate Research Assistant, Gaming/Arch Projects Parametric Design and Digital Fabrication Bachelor of Arts in Architecture, Florida International University (2009) Started with Engineering program in high school. Led to architecture. South Florida native, did bachelor’s at FIU. Moved on to GT for graduate school. Gained exposure to gaming software as means of design visualization. Also did lots of scripting and grasshopper as well as plasma cutting, 3d printing, cnc, laser cutting. 1 month after graduation: started at the Beck Group. Been with the company for 2 ½ years. For those not familiar with The Beck Group, we are an integrated Architecture, Construction, and Estimating firm based in Dallas, TX. We also offer reality capture, Revit modeling, as well as other services. My primary roles at Beck are in Revit modeling and documentation, consultant coordination, and visualization. Also….TERRIFIED of public speaking!

About the Audience Live Poll Use the AU 2014 app on our smartphone or tablet to answer a couple of questions.

Class summary Learn to combine logical modeling practices with the powerful FBX file interface, and discover the potential of your Revit software models in 3ds Max software and real-time environments. In this class we will explore the benefits of the Revit software feature set to create visualizations in external applications using the FBX file format as our main pipeline.

Key learning objectives At the end of this class, you will be able to: Establish logical strategies for structuring model information. Learn how to use the FBX format to export models to external applications. Navigate the model structure to modify materials and elements. Learn how to update design changes on demand for static and/or real-time rendering.

Part 1: The Revit Model

Part 1: The Revit Model Develop Good Naming Conventions Helps organize model content library. Makes objects easier to track in large projects. Include max info possible in object names. Family Name Type 1 Type 2 Etc…. VS

Part 1: The Revit Model Focus on Appearance Settings Graphics settings do not get exported. Line weights Hatch patterns Graphic Overrides Appearance Settings will be exported. Base color Textures & mapping coords. Glossy & Transparency Settings, etc. Have textured sized correctly. Set 3d view to “Realistic” mode for preview. 2d patterns and object line weights will not be exported in an fbx (such as tile grids). In essence, focus on what the rendered object will look like. Use the appearance tab in the material editor to adjust your materials and textures. Remember, we can always modify them in other programs. At a minimum, put a texture on and size it correctly.

Part 1: The Revit Model Use Detail Levels: Multiple versions of geometry in one family. Can be preserved in fbx exports. More detail = more polygons = increased render times. Medium LOD optimal for most applications. Use your judgment  Revit families can be set to show certain objects depending on the set detail level. Check your content to make sure this works by toggling the level of detail in your view. Make sure when you do this that all V/G overrides are clear.

Part 1: The Revit Model Good content is everything. Paid content (furniture, lights, etc) is usually better quality. Avoid manufacturer families when possible. Tend to have high poly counts, large bitmaps. Focus on architectural model development. Props, etc often can be added later if needed. Know what your content includes. Texture, LOD are a huge plus.

Part 2: The FBX Pipeline

Part 2: The FBX Pipeline Workflow

Part 2: The FBX Pipeline Linked FBX Information Materials (and daylight system) from Revit Compatible Mental Ray. Can be modified. Multi/subs created by default. Can be replaced by new materials. Textures Mapping Coordinates

Part 2: The FBX Pipeline Overview of Unity3D Basic version is free. Easy to learn compared to other game software. Drag/drop interface. Runs on PC and Mac. Works very well with fbx files. Deploys to many formats. Web, standalone PC/Mac are free. iOS, Android, console, etc also possible. Uses C# and Java script languages. Lots of learning material online.

Part 2: The FBX Pipeline Exporting to Unity (from 3ds Max) Convert parametric Autodesk materials to “Standard”. Convert bitmaps to standard. Be sure to match tiling scale. Assign any new materials as desired. Export to FBX file.

Part 3: Navigating & Modifying the Model

Part 3: Navigating & Modifying the Model Finding Specific Objects in 3ds Max Use “Do Not” Combine” in link settings. Object Name includes Family Category Family Name Family Type Element ID Use custom search filters An object in Revit Same object in 3ds Max

Part 3: Navigating & Modifying the Model Finding Specific Objects in Unity Object names match 3ds Max Use scene search bar Indexed results Search for any part of the object name Material names and assignments match 3ds Max Textures and mapping coordinates are retained Click any object to view properties and assigned materials. Object in Revit Same object in Unity

Part 4: Updating Design Changes

Part 4: Updating Design Changes In 3ds Max Use “Manage Links” Dialogue Settings Grouping cannot be changed without un-linking the fbx file. Lights, Daylight System, Cameras Optional Keep materials and assignments.

Part 4: Updating Design Changes Unity Re-export fbx from 3ds Max In Unity, re-import the fbx asset. Design will update and add any new materials to the scene. No need to revise import settings.

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