Maya Animation :: Finger SDK Rotation
Sep 30, 2011
I set up SDKs on my character's fingers. Everything was working fine. Fingers rotated properly from the open hand "0" position to a closed fist at the "10" position. I have the hand set up as the Driver and the fingers as the driven.
I then wanted my IK arm to work in FK, so I went into my attribute editor for IK pole vector constraint and checked on "IK/FK Control". I did a few rotations of the elbow joint and everything seemed fine.
I then went back to do some work on my hand, and when I when to change the values in my channel box to get the hand to clench, the fingers did not rotate into a fist, but rather went in all directions.
I can get the hand to work correctly intermittently (when I go back to the bind pose), so I know the correct rotation information is there. I have tried deleting history and making sure translations are not set on the hand. Would this be a gimbal or a local vs. global orientation problem?
Also, a side question: I noticed that when I built the SDKs for the fingers, I had numerous "blendWeights" created. Are these weights involved with moving the fingers between the minimum and the maximum values you set in the SDK set-up process?
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Jul 15, 2011
When setting up a simple FK control curve on say the wrist for example, many times the control curve isn't exactly perpendicular to the local rotation axis of the joint movement, so when we position the control curve to be perpendicular to the joint - it has a rotational value added, but the rotational handles are lines up with the rotational handles of the joint that we want to move.
Freeze Transformations: then the control curves rotational handle go back to being skewed (out of alignment with the joints)
We want to Freeze transformations before constraining the curve, but we'd really to keep those rotations control handles to remain aligned with the joints rotational handles. This will make it an exact control when animating - grab the rotational handle of the curve, rotate it, and the joint will move exactly in the proper direction.
how to get the rotational handle of any control curve to run perpendicular to the shape after freezing transformations?
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Jan 4, 2011
I did the bones, but as you can see in the picture, the rotation not along the bone, is according to xyz, might be because i freeze them?
How can i rotate the bone accordingly? is there a way to rotate it local, and global like in Softimage?
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Feb 6, 2011
I have an object that I want to rotate different.... not sure how to explain, it, but you can tell what I want by looking at the screenshot attached. I want the rotate to align with the cylinder. I've tried reset transformations, and the home key to move the pivot. I've also tried the different settings for the rotate settings and nothing is changing this angle. Is there a way to manually set this?
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Sep 4, 2010
I am animating a ball right now, that is rolling all over the place. Would be cool to animate just the translation of an object and not to worry about rotation. Is there a way? Like.. through the expressions or set driven key? Also would be even better if rotation speed increased as the movement speed did.
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Jul 13, 2013
I have set rotation limits on all of my joints in a rig. But when I move the Ik handle, the joints all rotate in however they want.
What can I do to make it so that when I move the IK handle, the joints are constrained to their individual limits?
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Feb 19, 2012
I used to be able to create quick a makeshift skeleton for things like robots by parenting the objects that make up the robot to each other hierarchically. But the past few times I've tried to do the same thing, the child objects deform in weird ways when I rotate the parent. I looked and found a few references to this in forums, but not a single solution. The idea of going through and setting up either a proper skeleton, or parenting everything to group objects seems unnecessarily complex and frustrating when there was a simple solution before.
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May 31, 2013
For some reason some of the joints in my character rig are displaying their local rotation axis and I am unable to turn them off. The usual Display>Transform Display>Local Rotation Axis doesn't do it. This doesn't apply to all joints, just some. This is very frustrating as it causes real clutter when rigging.
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Jan 1, 2011
I am busy working on rigging a character ( See attachment) to the best of my abilities and am running into some issues:
I have made a nurbs curve object which I intend to use as a controller in my rig, I have however modeled my character with his arms in a 45 degree angle so I snapped this particular object to the wrist and aligned it with the geometry...here comes the fun part , because it is a controller I wanted to have a clean channelbox zo I froze transformations which neatly sets every channel to 0, it also snaps the local axis to a world pivot orientation....
I went in componentmode pressed the question mark thingy and thought it was working..but it still alters the values in the channelbox.
I basically want the same rotation axes editing capabilities as I have with joints, I will try fiddling with that next, but I can't believe that this can't be solved any simpler.
See the image in the attachment
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Oct 18, 2010
how do you adjust the rotation axis of a joint. Attached is what am talking about.
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Apr 22, 2011
When I set up the Image based lighting in Mental Ray, and key the dome that is created to rotate in a animation, it is clearly rotating in the viewport, and when I render individual frames, it works, but when I batch render (confirming that the render range is set correctly) it renders each frame with the dome in the same position.
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Aug 28, 2012
I am having trouble with setting rotation to other then linear for the IK Controls, the FKs work fine. Is this some limitation, or option that I am missing ? Also, the keys are displayed as diamonds instead of the usual squares, so I guess there is some lock which I cannot find.
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Oct 1, 2010
So perhaps I'm missing something blindingly obvious, but in previous versions of Maya, I've been able to simply hit F8 and check the '?' icon to be able to go in and individually rotate Local Rotation Axis to be the way I want.
For some reason I cannot find how to do this now in 2011? I've only been able to do them using the auto-tool.
Looking for the steps I need to take to be able to manipulate the local rotation axis individually as I have in the past now?
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May 6, 2011
1. Windows/Animation Editors/HumanIK/Skeleton Generator - Generate Skeleton
2. Create control rig for it.
3. Set keys to rotate shoulder down and back.
Keys are linear by default and cannot be changed, except to "stepped". Clicking Spline, Auto, etc. Doesn't change anything. Works fine on translation curves. URL....I accidentally check the "force FIK curves to linear" button? It's totally killing our animation pipeline.
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Jan 7, 2011
My current goal is to specify the rotation and translation of an object using a text file full of numbers. I have been told that I should import a "move" file. However, I can't seem to find any kind of reference about the move file format or how to use it. I see in the import dialog box that there is a file type called "move" but I don't know how to format the data that I put into the "move" file.
Also, I tried to export a "move" file so I could take a look at what Maya generates, but I keep getting the error "// Error: Could not save file "C:/My Documents/maya/projects/body_in_ocean/scenes/examplemove.mov".
I created a group with my object in one file, referenced it in my working file, moved the group around and set some keys in the working file, but I can't seem to export any move data. How to get this to work?
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Apr 19, 2013
In the timeline panel in CS6 EXTENDED, you have a video feature, where you can animate three things:
Position Style Opacity
What I would like to know, is: How can I animate rotation of a layer? I want to rotate my layer at an angle and animate it. But when I rotate, the first animation frame is also rotated, resulting in NO animation between the frames.
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Feb 17, 2011
I have rigged a character and made it into a character set in which i have locked the scaling attribute , I have then saved this file. I have then referenced this file and and have done a walk cycle animation and saved this file. I have then realised that I needed the scaling attribute when I have added other parts of my scene. Is there a way to unlock the scaling attribute in my walk cycle animation file or will i have to go back and change it in the rigged file, create a new character set and do the walk cycle animation again?
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Apr 18, 2013
My current scene has 10 animation layers for a character, and seeing every f-curve from all layers, although grey and locked, when I only need to see the f-curves in layer I'm working on is really cluttering the graph editor. My current work around is selecting my active layer in the Layer Editor every time I select a rig control. Simple enough, but a pretty inefficient way of working. I can't seem to find a setting that allows me to just see ONLY the fcurves in the active layer. I imagine some of you out there may have hundreds of animations for a single game character.
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Jan 20, 2011
I'm trying to animate a moving rope based on simulation data. I know how to import my motion data for individual objects.I've seen lots of tutorials where one uses simulations or soft bodies with IK in order to create a rope. how to use all these features and I want the rope to follow my coordinates exactly. I was hoping I could do something like the following:
1. create points in Maya which correspond to my data points
2. connect the points with a curve
3. loft a circle using the curve as a path in order to make a rope
4. move the points. due to History, the rope position is updated
Is there a way to do something like this in Maya? I've tried, and it looks like ep points do not have key-able channel data, so I can't create animations for them separately. I'm using .mov data file imports to generate x, y, and z motion keys for the points.
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Dec 11, 2010
I have an assignment for a class where part of the final project is detailing the construction of a mold for a part. The animation that I would like to do would show the build up of the part in a 3D printer layer by layer. The closest method of animating this that I can think of is unfortunately backwards.
As I would have the part and a camera facing up from the bottom of the part and would have a plane that would recede upwards in the y direction. This would reveal the part as the plane translates in the y direction.
This might be okay, but the problem is that I would like to show this from a camera on top facing down instead of a camera on bottom facing up. How I can create the look of a part being built up in this additive method?
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Apr 7, 2007
I'm trying to do a simple little emoticon animation: A ":-)" turning 90 degrees CW in CS2. I type in the text on a transparent background, get the animation panel, duplicate the frame and select the second frame.
Now, the idea is simply to rotate the layer/image in the second frame, leaving the first frame as it is. I'm able to move and do various other tweaking to the second frame independently of the first but not rotation. Can anybody tell me what I'm doing wrong?
(I tried making two different layers, one for each end state, and setting the visibility to 0% and 100% respectively, but this merely produced a fading in/out animation, not the rotation I was hoping for)
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Jun 4, 2011
i have a serious problem with biped (3dsmax 2009), it consist of two bugs in fact...
1 : when i open max scene the character change there's locations, so i have to enter "move all mode" and i change all the x,y,z and rotation value to zero, so the character return to its original position, when i save i open again it shows the same problem..so i have to render the scene locally without backburner..wich will take weeks
2: after rendering some scene i found the character freezing and not moving...when i delete the meshsmooth and re-assign a new one it works well, so is there a bug in meshsmooth ??
im really stack with these 2 problems ...i have installed sp1 all hot fix but no way..even when i open the scene with 3dsmax 2012.
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Oct 9, 2012
I just downloaded Maya 2012. The rotation tool only rotates an object on the y axis. For some reason, when I grab the X or Z axis, it will still only rotate on the Y axis. How do I fix this?
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Oct 10, 2012
I am trying to add an expression to the standard Mudbox car to make the wheels turn when the vehicle moves in both the X & Z dimension. I have found many scripts that let me do this in a single dimension. I have found some others that claim to work for both dimensions, but at certain angles the wheels turn in the wrong direction.
My work flow is as follows:
1 - Export car from Mudbox to Maya
2 - Separate the wheels & center pivot all items
3 - Add NurbsCurves to create a rig
4 - Parenting the elements of the car
5 - Add an expression based on this web post [URL].......
6 - Test the animation
It works great when translating the car in the Z axis, but when the car is rotated 95 degrees in the Y axis the wheel will only go backwards no matter which direction the car is moved.
I have attached an MB (Maya 2013) so you can see the
problem.mudboxcar_maya_2plusexpression.mb.zip
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Mar 6, 2012
translate facial motion capturing data (basically 2d point clouds) to blendshape weights. I finished rigging my character and wanted to drive my blendshapes by the relative position of my tracking data, e.g. distance between corners of the mouth drive the "wide" blendshape and so on...
Hope YOU know a solution for this, I believe blendshapes are THE way to create realism in tracked animation but I was not able to find ANY reference to something like that. I'd like it to be customizable and not to expensive, so the imagemetrics faceware service won't do for me
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Apr 3, 2011
How come baking some part of animation in graph editor deletes everything before and after the part i bake and how can i bake that part while leaving the rest untouched?
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Oct 23, 2012
I have a character with animation. Another character is the same(same bones, meshes), but with no animation, 100 times larger in size and I resize the head to make the head looks slimmer. They are saved in different fbx files and I imported them into mb scenes. I select the root bone and "select hierarchy", the export options is shown below. Then select in the same way in the larger character's scene, the importer options is shown below. THE PROBLEM is: after I import the atom, the character becomes shrinked to the same size as the former one and the ratio of head becomes the same as the former one too.
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Dec 22, 2010
For some scenes we have a chain which is wrapped around several cogs, just like a bicycle. In this scenario we need the chain links to follow the path and retain their relationship to each other.
In other scenes we have a chain which follows along a changing path. Imagine this if you can: A heavy weight has a chain attached which goes vertically up, over a pulley and down the other side where it is attached to a lorry. The lorry drives off pulling the weight upwards. This is my challenge!
Should I individually constrain the links using a Pin constraint and use dynamics completely to keep the chain taught?
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Nov 29, 2010
Was wondering if there is a way of getting random camera movements? For example, i am doing a fly through of an earthquake scene and as the camera animates along the street it randomly shakes with the earthquake shocks.
I know I could animate it by hand but I wondered if there was a way (perhaps an expression) to make it more simple?
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Jan 20, 2011
I have made a 3d Spectrum analyser , its made of rectangular boxes 16 rows and 16 boxes in each row.
So i have made my cam from Bottom Left corner to Top Right over 96 Frames.
What i need to do, is make some of the blocks disappear and re appear as the cam pans across.
In sketchup i did it by HIDEING the component (block), make new scene, then un hide it..
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Aug 27, 2012
I want to do an animation of a subsea ROV operation with the props starting and stopping when the ROV moves. The props need to start shortly before the ROV actually starts its movement but I want to do this without having to animate the rotation every time. I want them to rotate the same RPMs every time and I want to have the freedom to start and stop when I need to.
3ds Max 2013/2014
Autodesk Inventor & AutoCAD
HP xw8600 Workstation
Windows 7 64Bit
Dual Intel Xeon 2.83 E5440 GHz
8.00 GB of Ram
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