3ds Max Animation :: Skin Morph Vertices Aren't Staying On Model
Apr 20, 2011
I have an issue with the skin morph modifier. I have morphed the bend in the knee and fixed the crease behind the knee on the left leg. When I tried to mirror it over to the right leg, it goes crazy. I found out that the morph preview verts on the left leg are not staying on the model as the should be when I bend the knee. The model is perfectly symmetrical so the offset doesn't need to be changed and the mirror threshold doesn't seem to be doing anything to work.
skinMorph1: Both leg straight
skinMorph2: left leg bent with verts off of the model
skinMorph3: right leg bent with mirrored verts from left leg
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Jan 4, 2013
The problem I'm having with Skin Morph is that it's skewing my vertices side-to-side locally.
I'm using Skin Morph to better preserve the volume around the two joints of each finger of my hand model (See Arm1).
The two skin morph targets were created for the index finger while it was in the same position as the second image (Arm2).
I repeated this process, creating skin morph targets for the other two joints on the three other fingers and on the thumb.
The problem comes when I rotate the knuckle joint in any axis, in the third image (Arm3) I've rotated the knuckle downwards and you can see the vertices affected by the Skin Morph modifier have skewed to the left. When I turn the modifier off the vertices go back to their original position - so the problem isn't being caused by something like non-uniform scaling of my model (I reset the transforms before skinning).
The fourth image (Arm4) just shows the basic child/parent relationship that I've setup with the Bones and SplineShapes.
The fifth images show the (perhaps strange) position of the Driver Bone Matrix and the Morph Bone Matrix which could be constributing to the problem somehow.
I've uploaded the file so that you can explore my scene. armrigskinmorphproblems.zip
3ds Max 2013 64-bit Student Version
nVidia GeForce GTX 560
Windows 7 64-bit
Intel i7
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Nov 22, 2013
What I'm attempting to do is export a Skin and Morph based rig to test out in Unity. The bone and morph targets come into Unity but the actual morph animation didn't. I checked the controllers responsible and it appears that the curves driven by the Reaction Manager don't get baked when exporting to .fbx.
Now I suppose I can bake them myself to something .fbx understands before export but I can't seem to find a way to simply take the animation curves for the morph channels and bake it down.
I really would like to get Morph Targets working in Unity but this silly problem is preventing me from doing so.
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Jun 18, 2013
I want to just bend the legs on a deer so I put some bones in, and added a skin modifier. I am having trouble with some vertices being affected above the leg joint. I can't seem to select them to change the weights. I have checked off "select Vertices" on the top area of the modifiy panel. I've posted an image below where you can see my problem of the bottom of the belly being affected by the leg.
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Apr 19, 2011
Is there a way to quickly assign all the Skin vertices with 0.0 weight to their correct biped link?
In my attachment there is about 50 vertices remaining having already corrected about 50 by hand. This is not a problem to do by hand however I have 20 more characters to modify after this any scripts/tips etc.
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Nov 13, 2011
I want to morph an object based upon a look at constraint.
That is, assume object (A) has a look at constraint target object (B).
I want to morph object (C) to (A), based upon movement of (B).
Is this possible ?
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Mar 22, 2013
I have created an object (Tube012) that i am trying to use as a rotational control mechanism / rig to move some vertices (morphed spline 012) through a series of progressive morph targets.
i have created morph targets that work as key framed morphs but when i change these to progressive morphs and try to drive with an expression nothing is happening.
The work i am doing is largely based on the great work of Ruramuq and Harvey from the thread "Rigging a wave (3D's Max)" Not sure why. I have file from Ruramuq and have tried to replicate his technique. Everything works well in his file so all i need to do is replicate. The answer is in here but i cant tell what the difference is between his and mine.
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May 15, 2012
I have a simple object that I want to morph between the original and a smaller version of the same thing.
I made two copies "start" and "finish". I then selected the original part and then Create/Compound objects/Morph. Under "Pick targets" I ticked "Copy" and then selected the first target ("start") and the second target ("finish") ready to set animation keys.
When I select the first target the original part moves randomly to another position in the scene. If I change the pivot point of the object it changes where it moves to but still moves it somewhere else in the scene?
If I move the original part back to the correct location the animation still has incorrect movement?
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Dec 15, 2012
When I assign an object to a path using the default setting the object sits nicely on the first point of the cv curve in the path. And moves fine going in one direction but as it goes around a corner it is offset from the curve but continues along with this new offset until the end.
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Jan 16, 2013
I have a bunch of students who load tool bars and dock their command line, but as soon as they close AutoCAD and reopen, the command line is floating again and the tool bars are missing. Saving and importing a profile does not seem to work!
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May 6, 2011
A: Can I export skinning information from one mesh to another. I have two identical versions of the character except I forgot to weld some verts on the model before skinning. Can I weld the verts and then export > import the skinning data? If so how?
B: I have someone working on some animation for me in CAT, I have since made some minor changes to the CAT rig (increased width of chest bones, that is all). I also changed all the skinning. Is it possible to export the animation data and load it onto an almost identical CAT rig? If so how?
I have max 2011 an 2012.
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Nov 10, 2010
I don't seem to be able to increase the number of control vertices in an IK Spline. The number of bones in the chain upon which the Spline is set doesn't seem to affect the number of control vertices I have to work with when creating the spline and I can't find a way to increase the number. I'm trying to animate a fish but finding it difficult to get a smooth wave to travel along it's length with only four control vetices.
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Feb 15, 2011
I have a simple Loft compound object with a single straight line using 5 instances of a shape, all rotating by a certain degree. I now need to animate the rotation of one of the shapes however when I try this, no keys are created when I rotate it.
Is this only possible by collapsing the loft and editing the vertices?
3DS Max Design 2013 x64
Windows7 x64
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Dec 23, 2013
I rigged a model and everything was working fine. I then started going into the blocking phase of some animation I was going to do with it. After a review it was requested that I put some extra bit of rigging on the model. We basically wanted to have the ability to grab both eyes with a controller and pull them around positionally and have the bit of skin they cover follow along with the eyes. So I dropped in some bpones where the eyes are, made the controller bits, linked everything up, so far so good. My problem comes when I try to skin the mesh to the new bones I just dropped in. The verts I have selected, even when given a weight of .1 seem to shoot forward in space. They dont seem to be respecting the bones current position that they are being weighted to.
I fear this may have something to do with the fact that I have animation in this scene which I know isnt ideal but were doing a series of xreffing so our master rig file also contains our master animation data. Seperate files are saved out as backups but as far as working files, yeah, its all in there. So could this be whats causing my verts to jump forward in space when I am skinning a bone that they currently are at its position? Or perhaps some errant transform? In the image I have selected the two rings beneath his eyes and given them a weight of .1. As you can see the verts are shooting out in front of the mesh when they should be staying in place at the eye bone I am trying to skin them to.
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Jan 7, 2013
how to reorder vertices in a flipped head so blendshapes will work properly (I've modelled left side expressions and would like to just mirror them across if that's possible).
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Jul 8, 2011
I'm new to Maya. I'm looking for the option on how to deselect these pink vertex from my model. (photo)
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Aug 31, 2011
I'm currently trying to set up bones in my character. What are some good resources for fixing skin weights, painting skin weights, and other weighting techniques. My problem is that when i bend a finger it squishes too much at the inside of the joint.
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Nov 23, 2011
I am trying out Maya 2012 and when i select faces or vertices and try to move on individually, the whole model move. I don't need that, i just need to move the face or vertice alone not the whole image. Also is there any way to download tutorial and installing it into Maya 2012. where i am working with Maya 2012 don't have internet to browse right away.
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Aug 5, 2012
I have a human figure, created in Maya, which has been rigged with both bones and muscles.
After it has been posed, is it possible to export the skin of this model without it losing definition from the lack of the maya bones/muscles?
I know that it can be exported to Mudbox, but is this the only place it can be exported?
I am trying to find a way to reproduce a model created in Maya (or Mudbox for that matter) as a physical object (via 3D printing).
Yet no one seems to have much experience with this, and tools like "Inventor" don't seem to like working with things that are not solids (i.e. not polygon meshes, sub-divs, or NURBs).
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Mar 8, 2013
is it possible to create a rig, then animate, then skin it to the model?
The reason why I ask is, what if a team is working on a project. One person is working on the model and the other can work on the animation, do you think they are able to meet in the middle, instead of waiting for the model to be completed?
Rig: Intel Core Quad CPU Q6600 @ 2.40GHZ
8gb RAM
64bit OS
GeForce 660i GTX
3DS Max 2013
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Jun 15, 2008
how the photographer makes the model's skin appear pale and almost translucent. I have seen this technique used a lot, particularly in fashion photography lately.
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Nov 21, 2012
How do I access Onion Skin from the FRAME timeline. It only seems available on the other time line.
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Feb 1, 2012
Is it at all a good idea to go about to skin multiple objects for your character?...or is it better to make it a single mesh?
if its practicable whats are the "things to do" to go about it in the right direction. ..instanced skin modifier? OR unique skin for each objects?
does it make any difference if i attach the objects? or keeping them separate as far as instanced skin modifier is concerned? (not making single mesh by welding vertices)
specifically speaking about the character i am working on ...it has:
a. head mesh
b. a scarf mesh
c. hand mesh (till their elbows)
d. body/ trenchcoat mesh
e. trousers
f. shoes mesh
g. shoelaces and eyehole rings mesh
NOTE:
i at least need the trenchcoat to be a seperate mesh as i want to apply APEX on it later. (the APEX tut on youtube indicates the trenchcoat is a seperate mesh.)
PROBLEM:
i tried to use a instanced skin modifier, however the scarf head and trenchcoat and the head where they should be together gets messed up when i check with some basic check poses.
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Oct 21, 2012
I've migrated from Maya to 3ds Max for character animation and was wondering - When I apply a skin modifier then go to 'Edit envelopes' - is there an equivalent to maya's artisan interface? i.e. Can I paint weights with a brush rather than vertex by vertex or entering numbers?
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May 15, 2013
I tried to join the skeleton with skin but I can not. I selected the entire group by outliner.
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May 5, 2011
I am currently trying to bind the skin for a character using a rig created from a Digital Tutors Tutorial. The rig I've build seems to be working fine however when I created the smooth skin bind the thighs collapse when the leg is raised. I've tried fixing it using the interactive skin weight tool but it doesn't seem to make any difference. i have included pictures of a quick render as well as the weight influence of the knee and hip joints.
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Mar 11, 2013
couple of days ago i finished rigging, positionned my character in a nice pose for a render then closed maya. Foward a couple of days, now when i move my rig the character is not following it, he stays in the same pose as he was like if he was frozen.
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Nov 24, 2013
Is there a way to assign just specific vertices to a bone by selecting a separate part of an object? Like for example, I have a model of a gun which I'm trying to rig now and this gun has two barrels, one obove the other, and each of this barrel needs to be assign to a different bone. Those bones are there, but the problem is that certain parts (vertices) of second barrel are assigned as well to the second bone, which is incorrect. How do I select only part (an element) of an object and assign it to the bone?
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Aug 1, 2011
We're having issues saving and importing skin weights, and mirroring these weights on our character meshes because our characters have some geometry that has been combined into their mesh (like eyebrows, fake spikey hair, eyelashes, etc)
Maya seems to take the UV's for all the combined meshes and stack layer them into the 0-1 space in the UV editor. When we save skin weights for the main mesh, the weighting maps are all messed up and useless for importing because they are based on UV's that are supposed to be clean and dedicated only to the main mesh.
how to save weights and mirror weights for meshes like ours?
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May 5, 2012
Got this low-poly model here. I created some bones for it and inserted them into the mesh. But when I use the Skin Modifier into it, and use the 'add' button under "Parameters". No bones appear in the list?
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Nov 11, 2013
I have a single-mesh model, pre-rigged and textured. I am trying to export it into a format which has a bone-limit of 59 bones per mesh. This model, however, has over 100 bones.
I'm really not very good at doing rigging from scratch; someone else rigged this for me. I need to split up the mesh, so the model meets the less-than-59-bones-per-mesh rule.
Is there a way to do this without destroying the skin modifier, and having to re-skin the whole thing? I'd like it to end up as several meshes, which all work as one in terms of rigging.
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