Questions tagged [motion-capture]
Motion capture (Mo-cap for short) is the process of recording the movement of objects or people.
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Export XY motion Tracking data
Pretty new to blender, and A bit lost.
I am creating a Sand art table similar to this one. It uses a homebrewed Arduino powered CNC to control 2 servo motors, moving a magnet around, which in turn ...
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Why doesn't motion tracked object show in render?
I copy and pasted an object in one blender file and imported it into a motion tracked scene. However, when I click "render image" the motion tracked object (robot) does not show in the ...
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How can I keep the feet from clipping through the ground?
I am wondering if anyone knows of a quicker or more efficient way to clean up the feet from mocap animations. After retargeting the mocap data to my armature, the feet on my character will usually ...
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Constrain elbow rotation
I have motion capture data for arm joints as 3 empties: Shoulder, Elbow and Wrist. The ...
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Mocap animation to Mixamo models animation?
I retargeted the animation of a motion capture armature to a Mixamo armature with Rokoko and exported the animation as an FBX.
When I reassign that exported animation to another Mixamo rig's armature, ...
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Extracting Joint angles of FBX file
I recorded some motion capture data with a markerless tracking system. All the data needed for the animation is stored in a .fbx file. Overall I am interested in joint angles. The ankle joint angles ...
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Physics Based Animation in Blender to prevent model clipping
I'm new to Blender and I'd like to know something I've been asking myself for a few weeks now:
Is it possible to add physics to the animation in Blender in order to make the model not clip inside ...
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Screen capturing via code
I created FBX and FLT files with textures and polygons and, thanks to awesome Blender, I turned it into a very nice simulator. My goal is to add some drawings/markers/polygons, based on my location in ...
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Retarget Mixamo Animation to Linked Caracter
I want to apply some mocaps to a linked character but it's not working.
The character is rigged with mixamo in its own file and I linked it into the working file. I can animate it manually with ...
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Animation data doesnt properly transfer between armatures
When trying to copy graph editor keyframes from an animated armature and pasting them to a different un-animated armiture ive run into a problem that has absolutley stumped me. Ive created a seperate ...
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Is there a way to make individual bones of a rig follow separate tracks?
I've been trying to learn some basic Blender skills in order to experiment with motion capture. I made a homemade tracking suit with some polystyrene balls, and used two cameras to create depth of ...
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Cleaning contact in mocap animation
I have 2 mocap animated characters imported into blender. In the mocap, one of the figures has their hand on the others shoulder. As the other figure moves slightly (though never majorly), this hand ...
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How can I change the rest pose without altering the animation?
Alternatively, how can I take the transformation between current rest pose and desired pose, and apply the inverse to all keyframes?
I've been using a mocap software called ipisoft, and I just can't ...
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Too big blend file when importing mocap data in FBX
I would like to import motion capture data into blender.
My 40 FBX files are 200 MB in total.
Once imported into blender, my .blend file weighs 3.15Go.
I tried to clean the file, to remove the ...
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Calculating join angle of an armature
For a school project I need to calculate joint angle of an armature. I found some code that works with 2 bones, but I need to calculate the angle of every 2 adjacent bones (knees, elbows, back, etc). ...
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Use Imported FBX on Rigged character?
Recently I wanted to try out motion capture. Right now I am trying to figure out how I can apply an FBX model to a rigged character. Is there a way I can try and combine the motion file (FBX file) ...
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How can I use Python to automate setting bones to be driven by empties?
I have about 30 control bones of a rig that I want to animate using mocap tracker empties.
I will be doing this many times for many models and each time, I need to set and calibrate the drivers for ...
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In the Drivers Editor f-curve, can I prevent keys from snapping to integer keyframes?
I am using the Drivers Editor in my motion capture pipeline. I have already recorded a trial video using facial markers, tracked the markers and converted the constraints on the empties to f-curves. ...
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How do I make my object/camera solve correct? It seems blender can't figure out my cameras focal length
Here's a recording of the current (wrong) object solve.
I have tried adding more markers and even manually changing each weight of each track but I can't get a solve error lower then this and when I ...
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Offset face tracking result to non human face
I'm new into (facial) motion capture with blender and I need to know how I can shift the tracks to map them on a different object.
So far: I captured my face with a set of trackers and I am able to ...
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Can Blender be used for motion capture control?
Can Blender be used as an alternative to OptiTrack Motive software? In that, it can be used to control motion capture and control and configure OptiTracks cameras. Fundamentally, what Motive already ...
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Blender Camera issue when trying tracking
I have an issue with Blender Motion Capture.
I tried to follow this tutorial about Motion Capture/Headtracking youtube blender Mocap tutorial
HOWEVER I encountered an issue with my Blender at 2.23.
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When I retarget to my rig it bends and contorts in odd ways
I have used this exact rig on another project with no issue. Now for some reason is doesn't want to retarget properly. Maybe I have toggled something on or off, I am open to all suggestions. I used ...
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Trying to do camera motion-track, python-error in clip.py
after a long pause with motion-tracking (did this in old 2.xx-versions), i wanted to use this with my better camera and better footage on a new blender 3.3.0.
The calculation works as it did before, i ...
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Motion Tracked camera is far away from the origin after applying the origin / floor
When I try to use Motion Tracking, the camera is very far away from the origin of the coordinate system. It's not exactly an ideal setting for motion tracking.
The tracker circled in green is the ...
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Script for adding mesh as depth target to empties doesn't work
I'm following this tutorial for face tracking and used a few lines of code to add the face mesh as a depth target for all the trackers which are empties. Actually, I just wrote the lines from the ...
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Robot rigging problem
I'm relatively new to kitbash and rigging stuff in blender, but recently i got a kitbash set, wich i made a robot from. I wanted to use it with an armature, and later on retarget to a mocap animation ...
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Motion tracking problem on blender 2.80
I’m currently working on this video and I’m done with my motion tracking with a really good solve error (0.02 or so) but when I try to set up thr tracking scene and set the floor, it makes it so that ...
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Bandai Namco Retarget Issues
Used pack from Bandai Namco with Motion Capture animations. When I tried to retarget, the character falls apart. Found that in edit mode the same thing happens with imported armatures. How can this be ...
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facetracking: how to track markers manually which Blender does not recognize?
I am trying to track some tracking markers on a face. A part of the clip works very well but at some frames, Blender does not recognize the tracking points at all. Is there a way to track those points ...
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Motion tracking 3D Markers to Mesh creates vertices but how can I use in Geometry nodes
I was only able to make e correct motion tracking by placing (real phisical) small objects on the ground and table when shooting the footage.
I want to remove these in the final render and used the &...
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Motion tracking slipping and MANY MORE ISSUES
I have been trying to learn motion tracking for 5 days and all the results I get are inconsistent. It's either I go through the solve error starts really low, I decrease maybe a trackers weight solve ...
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Is it possible to use .trc, .trb or .cap files in blender?
I've recently recovered some mocap data files, but I do not have access to MoBu currently and was hoping to use Blender to display my data and attach to a rig to add to my portfolio. Unfortunately, I ...
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Why don't some tracks have a bundle?
I'm playing around with motion tracking. In the scene, I have around 14 trackers that all look perfectly fine throughout the tracking.
What I don't understand is after solving only some of them have a ...
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Blender file size bloated after importing mocap data
This is not a question, just wanted to share something that I found out recently. Please do correct me if I'm wrong.
So, our mocap result generated a bunch of actions, one action per bone. And actions ...
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Pointing bone at the middle of 2 points using plane
I am trying to create a bone that rotates in the way a wrist would rotate when the hand is moved. I have locations of specific points on the hand, the wirst, the start of the pinky finger and the ...
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Mixamo doesn't give animations
I tried to install some more Mixamo animations but when I load them into blender they have no animation and are slightly transparent.
As you can see there are only two keyframes because there is no ...
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How to apply a motion to a model?
Blenders. A newbie is here.
I've been looking for how to apply a motion to a model in Blender, but it's not easy to find. I've been googling and searching on Youtube, but no luck. Here is my process:
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How to change the location and 'angle' of an animated rig produced with Rokoko motion tracking suit?
Hello Blender community,
I recorded a simple animation with a Rokoko motion tracking suit, for a character.
It consists in a walk from a point A to a point B.
In between the character zigzag a bit, ...
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Retargeting animation from BVH to FBX
I have an FBX file containing a rigged 3D mesh with its armature, and a BVH file containing animation data for the exact same armature (same skeleton topology and bones names). I import both files in ...
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Hypothetical question regarding 2D eye rigging for unity/mocap
I just recently modeled a character with 2d Eyes. The eyes are flat planes that rest on the surface of the face via applied shrink-wrap mod. The eyes have a texture of the pupils and the pupils move ...
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How to set the origin of an armature after location keyframes have been added?
I'm trying to do an animation from mocap data. I turned the animation into an action so I could manually edit the sliding feet, intersecting meshes, etc. Every time I did this I added a new keyframe ...
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How to transfer facial mocap from Blendartrack?
I’m loving the results I get from Blendartrack for facial mocap but the mesh is baked. I really need to get that motion to a full 3d character with the face of the person I scanned. I’ve been using ...
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i cant solve camera motion
I can't solve camera motion after tracking my footage.
I don't know what happened, if I messed up with tracking.
I don't understand some data failed to reconstruct meaning.
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Automaticly merge multiple frames from a camera projection into one
I have tracked my camera and recreated the scene mesh on which I am projecting the frame of the image sequence.
If I step some frames back the camera "sees" something different. A different ...
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Motion tracking. How to find frames where marker is enabled/disabled (or/and not tracked yet)? Maybe via python?
During motion tracking of several markers at once, it happens that some marker is lost at some frame for some reason. Then I spend a lot of time searching on which frame this marker got lost. ...
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Rigging Artifacts
I'm playing around with Kinect mocap, I'm completely new to rigging. To get my feet wet, I'm using the resources here. I'm trying to apply the animations from the female base model to the male one. It ...
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How to make a single rotation edit in a global axis but across the entire animation?
I have a mocap animation which is wrongly placed and rotated; the root bone is located at X= -184 and so on, and is at about 30 degrees in the global Z axis in the starting frame, which is frame #2.
I'...
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Combining separate body and facial motion capture
Hoping someone can help with this, i have a human generator rig which has a rigify - meta human rig for both body and face. I have a FBX Mocap file for the body and a TXT and WAV file for the face ...
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How do I track a camera that moves a long distance (IE, a bike going down the side of an entire mountain), without losing accuracy?
I have a couple of videos I pulled off of youtube of bike runs down the sides of mountains, and I would like to digitally add in some crazy scenery as a joke like lava pits in the jumps, etc...
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