Questions tagged [tracking]
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
Follow path for Camera connect it to wrong point on “path”
Follow path for Camera connect it to wrong point on "path", so when I press play camera just starts to turning around like crazy.
maybe you know what's the problem and what's the solution?
enter ...
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12 views
weird camera path with good marker tracking solve error
I have a drone footage taken with Phantom 3 Pro and I want to solve the camera path. The markers are fairly stable with a solve error less than 1. Still the camera path is pretty much crazy. I used ...
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17 views
Help with track
How can I move a track generated by "link empty to track"
the empty object generated I can not change its location because it has the animation of the track
How do I change location in 3d space ...
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1answer
42 views
“track to” object under “parent” constraint
I work on this project for which we have a robot arm (6 servos), a camera attached to its extremity which tracks a physical object, and we wish to set up the experiment in Blender. We used an armature ...
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19 views
Shadow catcher casts light (?) on the floor
I'm using Cycles render to render footage with camera tracking and video in the background. I had marked "Shadow Catcher" under Ray Visibility in Cycles Settings in "Rendered" viewport view (SHIFT + Z)...
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30 views
Background movie clip does not show up in render
I did some tracking in Adobe AE and then ran a script to import it into Blender. I set a background image in the N menu, but I can only see it in the viewport, I can't see it when I render. Any help ...
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1answer
13 views
Video with masked objects that need shadows
I have created simple shadow objects for stills in the past where I masked out the environment around product photographs and the shadows matched fine, using the blam add on. Now I am trying to create ...
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34 views
Two point tracking - resize bone
I have two point tracking in video footage. When I get closer to the tracked object, the points get further from each other. Then I have 3D object matched to those tracking points, so I want the ...
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27 views
How to make a mask follow position and rotation using two location markers?
In the movie clip editor, it is possible to create a mask that follows a marker in its position and rotation if the marker is set as LocRot.
However, is it possible to achieve similar behavior using ...
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1answer
77 views
How to keep camera always in horizontal position?
The camera is following the path from top to the bottom, orbiting around the wires. I would like it to be focused all the time on the wires in horizontal position. Is there a way to exclude Z axis ...
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1answer
35 views
People walking through camera tracking
I’ve just started to teach myself about camera tracking in blender. I’ve watched tutorials and everything shows an animated 3D object in the middle of an open space. Can you do and get the same effect ...
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35 views
How to track such “flat” videos? Flat: Mostly moving camera on a paper plane or so
https://www.youtube.com/watch?v=B-oSc_KRHnw
I mean the video in the video. The spider creature and the buildings etc.
Would I solve this live-action plate as a Tripod? There is no Parallax ...
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37 views
Blender for VFX [duplicate]
I wanted to know where can I began learning VFX in blender. I know that blender has a great compositing, camera tracking and masking etc. capabilities and I want to know how can I use them effectively ...
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1answer
18 views
Stabilize a video using only one tracking piont
I have a video that I want to stabilize, tho the video itself is very stable the subject is moving. I want to keep the subject in the centre. and there is only one tracking point that is visible in ...
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19 views
Output object 3d camera position for each animation frame
I have 50 frames of animation of an object. I want to track the position of a point on the object relative to the camera for each frame. How do I output the 3d position of the point, in camera ...
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1answer
59 views
How does real life camera sensor size affect tracking on Blender?
I don't quite understand deeply what the relation of the real life camera sensor in relation the tracking with the virtual camera size.
I've always worked with direct aspect ratio (i.e: 1920 x 1080). ...
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1answer
44 views
How to correctly LOCK motion tracking points so they don't move after reloading movie clip?
I was trying to stabilize some movie clip and met quite annoying issue in Blender 2.79b, although I recall this was happening in earlier versions too.
The following image shows an example of certain ...
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20 views
Track + Mask 3D eyes onto a prosthetic Alien mask?
I'm making a short film with an alien in, the alien will be an actor with a latex mask covering most of his head (except his mouth.)
My plan is to give the mask green screen eyes and tracking ...
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24 views
Trasparency is not correct
I am making a short clip of tracking and then making 3d object injected in it. I want to make series of png of 3d object then combining my original footage and that 3d object. The problem is when it ...
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1answer
187 views
How to overlay someone (and his/her movements) in a video clip tracking eyes,face,mouth of a 3d character
I want to replace/overlay the faces and the bodies of the people that are in a video clip with a series of 3d characters of the same size and shape.
I set up 8 tracker points for the character's ...
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12 views
Masking of markers by parenting them to trackers
I am here to ask something about masking i did for a video recently. Actually i was tracking markers to add something from blender. Later I wished to remove markers. I mask the markers and made them ...
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20 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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16 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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30 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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20 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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91 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 ...
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1answer
43 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 ...
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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 ...
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0answers
54 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
115 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 ...
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1answer
45 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
23 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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89 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
56 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 ...
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15 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
89 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
54 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. ...
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1answer
130 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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59 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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26 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.
...
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43 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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43 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
24 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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24 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
210 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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172 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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18 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.
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33 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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18 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 ...
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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 :)
