Fun with changing the Coordinate Axis Setting

SynthEyes lets you change the coordinate axis setting whenever you want, from Z-Up (max), to Y-Up (maya), to Y-Up-Left (Lightwave). This tutorial takes a further look.

2007-10-27. 3:30 long.

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Visualizing Coordinate System Alignment

This tutorial is a completely real-world show and tell of what coordinate system alignment is about. No computers at all! We kid you not. It is silly, stupid, and hopefully clever enough to help you visualize what is going on during coordinate system alignment.

2008-02-07. 10:22 long.★★★

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Auto-Place Button Tips and Techniques

Shows tips and techniques for using the auto-place button found in SynthEyes 2011 build 1008 and later. The Place button picks coordinate systems using a fairly advanced scheme, and while providing opportunities for efficient artist control. Be sure to jump up to 720p full-screen to watch this video.

2011-10-21. 10:00 long.★★

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Manual Alignment

This example shows how to manually align a scene within SynthEyes, without applying any alignment constraints to the points. This can be useful when there isn't an obvious geometric choice, and to handle tripod-mode shots.

2012-10-23. 6:51 long.

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Single-frame Alignment

This tutorial shows the single-frame alignment system being used to camera-match a single digital still.

2007-04-26. 5:20 long.★★

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Aligning Tripod Shots with Pin Scene to a Mesh

Shows a tripod (nodal) shot being aligned in 3D by matching the imagery to a known mesh in the shot---in this case, the springhouse from the tutorial "Springhouse Modeling"---- using the perspective view's Pinning Tool in Pin Scene mode.

2015-11-20. 9:57 long.

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Springhouse Modeling

Shows using a photographic survey to create a 3D model of a small springhouse (building) out of geometric primitives. Any number of small features are used to do this; it's a way for users to gain insight on how the features can be used, include survey shots and "lock z-drop", the # segment tool, smudge, edit pivots, etc. Note that with more source images, we might build the model directly from the trackers, instead of from primitives.

2015-11-20. 37:38 long.

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Anamorphic Solve Using a Lidar Scan

This extensive, detailed, tutorial shows an anamorphic shot being locked to a lidar scan. The resulting solve is used as a starting point for several additional tutorials. This process can also be used for non-anamorphic shots; for example matching architectural models to drone shots (using a standard radial lens model).

2023-04-14. 24:53 long.

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Coordinates systems and the Constrained Points View

This tutorial will advance your understanding of the coordinate system setup process, and show you how to interpret the Constrained Points view, which is always the first place to look when trying to understand or diagnose the coordinate system setup of a scene. The initial portion of the tutorial shows a shot being manually aligned. We show this process to help you understand what SynthEyes is doing with your coordinate system setup information---not telling you that you should be manually aligning all your shots.

2007-12-07. 22:51 long.★★

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Coordinate System Setup with a Distance Constraint

Discusses the situation where you have used the Coords (Summary Panel) or *3 (Coordinate System Panel) buttons to set up a ground plane, but you want to use two other trackers to set the overall size of the scene, because you have an existing ground-truth distance between them.

2008-07-10. 2:55 long.

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Ground Plane Methods

Shows additional methods to set up a coordinate system: snapping the perspective-view grid to trackers, then making it the ground plane; and making a mesh object the ground plane. For both cases, we show using a distance constraint to set up the overall scene scaling.

2012-10-24. 10:14 long.◆

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Using Google Maps as a Reference Mesh

You can use a 3D mesh as a reference for a camera-only match-move, for example to add a new building to an exact location in an existing environment. Here we use a flat plane textured with images from Google Maps as a reference (in lieu of a site plan).

2015-08-27. 23:21 long.★★★

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Distance Constraints

Distance constraints give you control over the distance between the camera and origin, or camera and moving object in an object-tracking setup. That distance is exactly where jitter often appears in low-perspective shots, so the distance constraint gives you a direct way to control it.

2010-11-18. 6:31 long.

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Coordinate Scaling from Camera Height

Shows how to use the camera path locks to set up the overall scaling of the coordinate system, if you know the height of the camera above the ground plane. You can also use the Camera Height phase for this purpose.

2008-08-04. 4:40 long.

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Coordinate Scaling from Camera Travel

Suppose the camera is on a straight dolly track, and you have measured how far the camera travelled along the track (lens position to lens position). You can use this measurement to set up the scaling of the overall coordinate system. You can also use the Camera Travel Phase to do this automatically.

2008-08-04. 5:05 long.

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Keep Your Distance

If you are given the distance between the camera and a trackable object in your scene, you can scale your SynthEyes scene to match. In addition to the method shown here, you can use SynthEyes phase to do it automatically.

2007-11-02. 5:27 long.

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Aligning Shots with AprilTags

Shows how to align a shot to a reference shot, using 3 or more AprilTags in the scene for easy alignment. This example uses an outdoor scene from a Wiral cable rig, though AprilTags may be even more useful indoors and in green-screen shots.

2021-05-30. 8:59 long.

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Moving Object from AprilTag Corner Trackers

Shows a box with 3 AprilTags being tracked using Corner Tracker mode, combined as a single moving-object track. Bonus: a coordinate system setup along the box's diagonal, resulting in the box becoming the hilt of a sword.

2021-05-26. 10:34 long.

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SynthEyes easily is the best camera match mover and object tracker out there.

Matthew Merkovich

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