C4D R20特效功能介绍教程 Cineversity – Cinema 4D R20 Features and VFX Workflows介绍C4D R20运动跟踪功能的提升，Redshift和物理渲染器阴影的渲染，提高3D物体的真实性等Josh Johnson demonstrates the improved motion tracking in Cinema 4D Release 20 in this live presentation from Siggraph 2018.

Josh first performs an automatic track for some footage, and then shows how to set up a shadow catcher in both Redshift and C4D’s Physical Render to incorporate 3D elements with the footage.

Next Josh shows the new manual tracking workflow and improved algorithms with virtual keyframes, tracking an incredibly difficult shot.

Josh also highlights some new Alembic re-timing and multi-instance features in Cinema 4D R20.