This is a detailed overview of our 3D object tracker for Blender: from basic features to advanced tips and tricks for CG-artists. This episode’s special guest is Caleb Natale — a social media VFX wizard with over 1 billion views online and over 3 million followers, running a tiny production company that creates VFX magic for some of the largest brands and corporations.

What’s on:
— The basics of object and camera tracking
— Advanced features: smoothing, texturing, etc.
— Pairing with FaceBuilder
— Integration with built-in Blender tracker
— Using tracking results with simulations

Timecodes:
0:00 Greetings
5:33 Agenda
8:48 GeoTracker main panel
10:50 Roman tells history of GeoTracker
13:30 Load Geometry
13:50 Why press Analyse button
15:45 Align mesh to footage in Pinmode
17:02 Let’s start tracking
17:50 Mesh not matching: fix Focal Length
20:17 Refine tracking: manual keyframes
26:11 Is it possible to reassign GeoTracher shortcuts?
27:08 Tips on clearing tracking data
32:01 Caleb on tacking using rough Geometry and refining
33:50 How to get the right 3D model?
35:27 Toggle pins for accurate mesh placement
36:38 Check tracking accuracy with Lock View
39:58 Scale and reposition the scene in 3D
46:03 Tracking multiple objects in one scene
49:00 Caleb shares his tips on scaling
50:04 More scaling options
52:40 The more vertices the better tracking results?
54:50 Importance of topology
57:56 Caleb on tackling topology issues
59:48 Setting up a camera tracking project
1:01:07 What is geometry based camera tracking?
1:03:00 Camera clipping planes issue
1:04:19 Mesh colour, opacity and other Appearance settings
1:05:55 Create and visualise camera track
1:07:08 Add CG air balloon example
1:08:17 Use Surface Mask to deal with occlusions
1:11:33 Caleb on using Weight Paint Mode for masking
1:12:38 Roman shares his approach to masking
1:14:11 Using hand-drawn Compositing Mask
1:16:10 How to use a pre-made external Sequence Mask
1:17:26 Next example: Blender camera tracker + GeoTracker
1:20:14 Roman tells how he came to the idea of FaceBuilder
1:22:01 Taking snapshots for FaceBuilder in GeoTracker
1:23:22 Creating a 3D head from snapshots in Facebuilder
1:27:13 Caleb on his experience using FaceBuilder
1:27:58 Head tracking with FaceBuilder geometry
1:29:45 Can you track camera and object in the same shot
1:30:42 When mesh is slipping away
1:32:15 Adjusting the head scale
1:34:06 How to smooth a shaky track
1:40:20 Creating texture
1:47:38 Save texture as image sequence
1:50:40 GeoTracker + rigid body simulation example
1:53:30 GeoTracker + fire simulation
1:55:13 Q&As

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