Questions about Blender's 3D motion or object tracking system. Object tracking is accessed via the Movie Clip Editor.
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15 views
Object becomes Transparent when Rendered with Camera Tracking
When I set the Viewport to render It shows the Object How I want it however when I actually render the Image it shows very little pieces but black almost transparent looking. Picture 1 shows the ...
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0answers
20 views
My cube is moving?
I've done motion tracking and render on After Effect
My cube is moving in the footage and i need it fixed on the floor, where the errors ?
How can i resolve this ?
Thanks a lot ! : )
VIDEO : https://...
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0answers
13 views
Camera tracking: pre-calibrate markers
I want to perform camera tracking where I first film a sequence where all the markers can be identified very accurately, and then the track the actual film from which I know my motion is not very well ...
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0answers
14 views
Motion Tracking Render Settings? Missing Video?
Ive completed a tutorial on motion tracking, and in my shot, i basically pan around a table where I added a "square hole" that goes down into the middle of it. It appears to follow through very well, ...
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0answers
8 views
Motion tracking empty track, armature
I would like to ask if I can rotate only one edge of a bone by parenting it to an empty track exported from a motion tacking video.
Is this possible?
Thank you very much
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0answers
47 views
Motion tracking to perfect overlay people in a video with 3D characters
Let's say that I have a lot of small scenes that I have extraced from a long video and I want to overlay the actors who are shown on the video with as many 3D characters created by me. I want to ...
1
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1answer
28 views
Motion tracking. The edges of undistorted footage are cropped, and so are the elements of the 3D scene
I'm working to implement CGI elements to a short film using an Anamorphic Lens. The distortion off these lenses are quite beautiful but I am running into issues with cut-offs after implementing with ...
1
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0answers
13 views
Set camera constraints as if it were from solver
first of all: I am very new to Blender Python :-).
I performed a camera tracking on a video and I have now a camera with a MotionConstraints on it that moves accordingly. I am able to access the ...
2
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0answers
47 views
3D Tracking an object that follows camera motion
I have a unique scene that I am attempting to solve for motion. It is some aerial footage of a camera following a moving train along a track. The camera is basically flying alongside the train from a ...
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1answer
36 views
Shadow Catcher object causing brightness issues in scene
Okay! Through help on this page I was able to go from this tutorial about camera tracking...
https://www.youtube.com/watch?v=CVPcT0dJmoY&t=2121s
Redoing the whole thing with Cycles instead of ...
1
vote
1answer
30 views
Shadow Catcher, Shadow Rendering Behind Tracked Camera Scene
I asked a question before but I think the problem has changed enough to ask it in a new way.
I tracked some footage using the setup tracking scene button, and had issues with the rendering. I ...
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1answer
13 views
How can i make the track to constraint track on x axis using location transformation instead of rotation?
When i move my bone that i assigned to the eyes of my character using track to constraint they will track up and down but only will track side to side when i rotate the bone. is there any way to make ...
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0answers
39 views
Camera Tracking Shadow
I was following this tutorial
https://www.youtube.com/watch?v=CVPcT0dJmoY&t=346s
which is a bit old but I was able to get it through the camera tracking and to the point of adding 3d objects to ...
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1answer
34 views
FBX file boujou track data lags behind video
I got my FBX track from boujou in blender but I can't seem to get the track to move with my video, I've checked the frame rate and made sure all settings in boujou match blenders.
The track is ...
1
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0answers
13 views
Alingning object to motion tracked scene
I have a scene which I have motion tracked. I'm having trouble adding objects to the scene though. I cant seem to get a cube to line up with the base of the sign. I have the correct size of sensor and ...
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1answer
29 views
Applying FBX file data to 3D camera in blender
So I did a 3D track in Boujou 5 and exported the FBX file, converted it to another version of FBX file so Blender can read it and now I'm stuck here. Apply the camera data to a 3d camera in blender, I ...
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1answer
21 views
Game Engine - Steering Behaviour Understanding
I am working on a BGE Horror Game right now and I want the enemy to follow the player around, but not directly. I want it to also walk around radon parts of the map even when the player is not there. ...
2
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1answer
60 views
How to delete a mask in the movie clip editor?
I can't find find a way to remove masking data in the Movie Clip Editor. How to get rid of it?
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0answers
47 views
Which Algorithm use Blender for Motion Tracking in version 2.79?
We are using Blender for Multimodal Analysis, the Motion Tracking Module is ideal for our Workflow and we are very happy with the options and functionality of the Tracker.
In order to describe the ...
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0answers
25 views
Camera Tracking. Floor is not where it should be (to high)? [duplicate]
I did a lot of research but I couldn't found a solution for my problem, so I hope you have a hint.
I track filmed scene for a couple of days know, do lern about and for a project for the university.
...
1
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0answers
41 views
Why do my flames look horizontally stretched when rendered?
I have a scene where I want a car to look like it is on fire as I drive by it.
When changing to RenderMode, my motion track looks good (enough). It is in the right location and does not move ...
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0answers
32 views
Blender VFX Shadow Catcher Screw up
I have been working on a small short film that has a small section of VFX work, However; when I was rendering a test result to see if everything was working the way it needed to, the render did not ...
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0answers
19 views
Casting shadow without any floor [duplicate]
So I wanted to render a my model in a video scene, and after setting up the tracking scene I can see that in render view, both the model and the floor are visible (along with the shadow casted). What ...
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0answers
20 views
Camera tracking
After tracking, I wanted to import one of my own objects to the scene. Now when I play the animation, as the camera moves the object also keeps on moving. It doesn't stay fixated at one place. How do ...
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2answers
184 views
Solve error too much [duplicate]
this is the first time I have started learning camera tracking. I know there's an easy way to track but I'm doing it the manual way; by placing trackers. After giving all the camera details and stuff, ...
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0answers
30 views
Facial MOCAP using a video recordered by me
I recorded a video of me doing some facial expressions. In this video have some points of references to create some markers.
With these markers I clicked on Link Empty do Tracks and I would like to ...
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0answers
7 views
Can I jump to the next key frame when tracking?
Is there a way that I am able to jump to the next key frame when tracking a video. Like the up and down arrow keys when animating but in the motion tracker.
1
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0answers
23 views
Plane track does not follow marker through duration of frames
I make stop motion animation, and am trying to figure out how to overlay a mouth on a pattern I have for a characters mouth.
Everything is working as it should with the compositing, etc, aside from ...
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0answers
16 views
How Do I Solve for a Camera That Uses Video Game Gameplay Via A Capture Card?
I wanna learn more about motion tracking using Blender, but I don't really understand Blender at all and solving for camera is one, its pretty important of course but how do I solve for camera that ...
0
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1answer
29 views
Why does my 3D Object become transparent [closed]
When I click f12 the texture of my 3D object become like this. If I missed something please tell me. I'm newbie at motion track. It'll help a lot thanks :)
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0answers
16 views
How do I keep objects aligned with one another during animation?
I've tried with both a damped constraint and by tracking the objects to each other. Neither seem to work when rendering an animation.
The foot is moving with a little bit of speed backwards, and thus ...
0
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0answers
20 views
How to track an object starting from a specific frame? [duplicate]
I have an animation, my camera is facing somewhere, at frame 135 a sphere passes throught the center of the frame, at this point I want the camera to track it.
I attached an empty object to my sphere ...
1
vote
1answer
22 views
Export Premiere Pro Camera Track Data to Blender?
I'm new to Premiere Pro, but I understand that it has a camera tracking capability. Is it possible to extract this data and feed it into Blender, as can be done in After Effects?
2
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0answers
56 views
Shadow Catcher is Lighter than Rest of Scene
In Blender 2.79b, I'm trying to render this motion tracked scene with a simple cube then a plane as a shadow catcher. But when I render it, the shadow catcher is invisible but seems to be brightening ...
1
vote
1answer
32 views
Tell Blender to ignore tracker for camera solve
I want to have blender ignore some markers during camera tracking. I have drone footage of someone running around on a rooftop and shooting at "things" to be added post. I tracked his gun barrel ...
0
votes
1answer
46 views
Tracked background does not show in final render.
I created a camera tracking animation: a dinosaur walking in my street. Everything worked fine until I deleted the video background and added a new one. In render view I can see the result I want: my ...
1
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0answers
22 views
My object is sliding in video after rendering [duplicate]
So I have been trying to learn how to do motion tracking and I have a good solve error of 0.5507. I thought that after I rendered my object in my video wouldn't experience any irrational moving or ...
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0answers
61 views
How to render 3d object in movie motion tracking
I have set up tracking scene for a jpg sequence to add 3D text to my movie. I am using blender 2.79 and using blender cycles due to shadow catcher feature (which I ticked for the plane in the 3d scene ...
0
votes
2answers
44 views
small white tracking box i cant get rid of
new to blender and accidentally clicked SOMETHING, now i have this annoying box that's "tracking" and i cant get rid of it. ive searched through youtube and other sources for about an hour but since i ...
1
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0answers
76 views
How to track object in shot with static camera
After putting trackers on an object, I am unable to "Setup Tracking Scene" without trackers on the Camera as well. How can I solve for the object only, in situations where there is no camera ...
0
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0answers
39 views
Tracking object using survey shot
I've downloaded some tutorial footage that includes a Survey shot, it is basically a person moving aroung a sword. I tracked the camera without a problem, but the object is having some problems. I am ...
3
votes
1answer
44 views
Motion tracking a shot where no tracking point is in frame throughout the video [duplicate]
I’m trying to motion track a shot where the position it ends on is totally different from the starting position. In other words there are no tracking points that stay throughout the whole video.
How ...
0
votes
0answers
11 views
Motion Track only affecting one of two objects
I connected two rigged arms to a motion track with the follow track bone constraint.
As shown below it is working properly for one. But not for the second (green).
I suspected that it's because the ...
2
votes
2answers
57 views
Motion Tracking not working for Eyeball
I'm experimenting with motion tracking an I'm a little stuck.
My plan is to track the motion of an eyeball from a video an let an animated eyeball repeat the same motion.
And in principle it works. ...
1
vote
1answer
107 views
Camera Tracking 360 Degrees On X, Y, Z Axis
I have tried searching for an answer to my question, but I haven't found any helpful information yet.
I would like to create a camera that follows a rollercoaster path 360 degrees around my scene ...
1
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0answers
34 views
Clean Up Tracking points selects all points no matter what
here's my steps:
Open footage in movie clip editor.
Adding tracking points and track forward/backwards
I get a solve error of let's say 2
Now when I'm trying to clean up tracks from the left panel, ...
2
votes
2answers
225 views
Motion track markers go red and stop tracking
I'm trying to do motion tracking for a clip but it can't track past a certain point. The trackers all go red and I can't figure out why. Any help would be greatly appreciated, thanks!
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0answers
29 views
Tracking points move when reopening file
I tracked several points on a video and ensured they stayed fixed on the features which I wanted tracked. After saving and reopening the project the markers jump around and are often tens of pixels ...
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1answer
111 views
How does one align an object to trackers in 3d view?
There must be a way to align an object to trackers, but I don’t know how or where to find this feature. Basically, I want to snap an object to a single, or collection of trackers in the 3d view after ...
1
vote
0answers
15 views
Motion tracking with large sweeping camera moves [duplicate]
Hi I wish to motion track a scene that involves large sweeps which means the end frame contains none of the markers placed in the first frame. I'm not sure how to have adaptive markers or markers that ...
