Maya Animation :: Constraining Curve Points To Geometry?

Apr 20, 2012

How can I make a curve's end points constrain to objects in order to create a "theta" angle line that changes dynamically when the angle between the two objects changes?

I thought they answer may have lay in creating the curve using Maya's new Bezier Curve tool, then using the Rivet plug-in from CreativeCrash to pin it to the middle of two poly cylinders (the "x" and "y" axis.) Unfortunately this doesn't work; the Script editor spits back "is not a vertex!". Either I'm not using Rivet correctly or the end points of a Bezier Curve in Maya are not the same as a CV Curve. But perhaps I'm going about this the wrong way entirely.. I ultimately would wish to extrude geometry about this curve to create a dynamically changing curved cylinder to visualize the angle. It seems like it should be a relatively simple thing to do...

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Maya Modeling :: Merge CV Created Curve Geometry Into Solid Piece?

Sep 15, 2011

I have traced out this piece of geometry using CV curve and then used loft to convert the Curves into actual geometry. I need to have one solid piece of geometry to project an image onto, how can I convert this to one solid piece? I have attached my .mb file.horro_chair.mb.zip

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Maya Animation :: Binding Geometry Before Or After Smoothing Its Mesh?

Jan 19, 2011

i modeled a geometry now i wanna to bind it to a skeleton, But i got a little bit doubt about smoothing its mesh before or after binding?

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Maya Animation :: How To Curve With Motion Path

Jan 9, 2013

I've got a Locator attached to a Curve with a Motion Path - the Motion Path is animated so the Locator moves nicely along the Curve. I now want to swap the original Curve with a new one and have the Locator follow it instead.

Is there a way to simply switch curves and tell the Motion Path to use a new Curve while keeping the animated keys in the Motion Path node?

I've tried playing around with the connection editor but cant manage to connect the new Curve to the Motion Path nodes "geometryPath"

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Maya Animation :: How To Get Angle Of Curve At U Position

Jun 15, 2011

I am current animating a car along a path (a curve).

In order to have the front wheels turning left or right with the path, how can I get the angle of the curve at the u position I am at ?

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Maya Animation :: Create Curve From Animated Object?

Feb 22, 2012

I know in max its possible to bake out a spline using an animated objects keys. Is something similar possible in Maya?

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Maya Animation :: Extruding Character Neck Along Bendy Curve?

Sep 2, 2010

I'm trying to animate a simple character's neck growing along a bendy curve. The head and shoulders need to be fixed at either end of the curve. It would be great if I could avoid ugly texture stretching too.

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Maya Animation :: Graph Editor Showing Only One Curve At A Time

Mar 5, 2012

My Animation Graph Editor is only showing one animation curve (for one attribute) at a time after I have set multiple keyframes for the character set and various attributes. I select multiple attributes, and hit View-Frame All, and it only shows the top attribute of the selected attributes as one curve.

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Maya Animation :: Create Curve Based On Path Of Object?

Mar 10, 2011

I am doing some animations involving sine waves, and I can make an expression that controls the translation of an object such that it travels along the path of a sine wave, but I can't figure out how to dynamically create an editable sine wave curve.

Is there a way to have Maya generate a curve based upon the path that an object travels upon?

For instance I have a sphere that is moving along the X axis with time, and also moving up and down on the Z axis back and forth. I would like to make an editable curve object of this path of motion.

I can see in Maya 2012 we will have motion trails where we can see the actual path an object is moving along, and that we will be able to interact with this path to alter the animation, but what if we could take that path and make it an actual curve or NURBS object?

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3ds Max :: Constraining Elements In Technical Animation

Aug 24, 2012

I'm using 3Ds max design 2013. I've imported a model of a dwell mechanism from Inventor CAD. I want to animate the operation of the mechanism. I'm not that experienced with animation in 3Ds max. I've managed to do it by linking parts appropriately, then physically rotating parts and setting keyframes. This works, but the result is not very accurate and not very smooth.

I was hoping to use a better technique to do this. I understand the principles of IK and bones, but have never really used them. I've had a quick look at massFX, hoping that I could constrain parts to each other and then let the physics take over.

I've attached a youtube link of the mechanism. There are hinged joints, rolling joints (the roller on the cam) and sliding joints. Can these be defined as constraints within 3Ds max?

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3ds Max Animation :: Loop Animation - Distance Of Stripes Controlled By Curve

Aug 3, 2012

i need to do a loop animation of several stripes that starts at lets say 2units distance from each other, they separate slowly and by the end they have 15units separation, my problem is that each stripe is a separate object, so i offset their keyframes, but when i want to tweak the keys on curve editor they dont apply to the other copies. Any other way to do this simpler?

quick example on the image attached, real application on the video, video shows the animation(rendered sequential images of 1 loop then applied as texture) but with linear speed, so constant separation, i need to apply the above here, these dont only move on the X axis but on the Y aswell, while keeping the symmetry fixed on the center.

[URL] ....

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AutoCAD Civil 3D :: Horizontal Geometry Curve Report

Jun 5, 2013

How to get the Horizontal Curve Report saying left / right curve details in autocad civil 3d.

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Maya Animation :: Unlock The Scaling Attribute In Walk Cycle Animation File?

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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Maya Animation :: Hide Non-active Animation Layer F-curves In Graph

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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Maya Animation :: Setting Up A Rope For Animation Based On Control Panel

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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Maya Animation :: Additive Layer Animation For Rapid Prototyping

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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Maya Modeling :: Hiding Inner Geometry?

Jul 24, 2011

Say I have a car engine that I created. to make it easier on myself I made it out of a bunch of separate pieces. then at the end I combined them into one. somewhere down the line I'll want to animate the pieces separately, but until then I dont want all that inner geometry rendering because it takes up unnecessary render time. is there a function in maya where I can delete all invisible mesh geometry? so then any faces inside the outermost shell will be deleted.

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Maya :: Geometry Not Contained In Certain Scenes

Oct 31, 2011

A collegue of mine will save a file in Maya 2012 (a character model) yet, when I open the file, I only see the cameras and image planes. The HUD shows zero faces, verts, etc. When he opens the same file again, all the geometry appears.

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AutoCAD Civil 3D :: Get ONLY Radius Or Spiral Value On Geometry Points Labeling?

Sep 12, 2013

I know I can use "<[Geometry Point Entity Before Data(CP)]>" (or after...) . 

But this text is tooooooooo long.  

Is there any way to get only  the :

- radius - length of segment. or  - Spiral A ???

Maybe using expressions? In this case any hidden elements?

I know I can use segments or multiple segments but I want to do the work in only 1 labeling step ... 

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AutoCAD Civil 3D :: Label Stations And Specific Geometry Points EC / BC

Dec 4, 2012

I have an alignment and would only like to label stations and specific geometry points such as EC/BC.  When I add geometry points to my label set it automatically gives me curve midpoints and beg/end of alignment. How can I turn off these labels so that I only get BC/EC?

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3ds Max :: Fading Geometry Into Visibility In Animation

Jan 3, 2012

I am making a rolling time line that moves left to right. As certain years come into view, the roll will pause and text will fade in. The only way I know to do this is to get into the object properties and adjust the visibility. Is that the best way to do this or could/should it be done in the material somewhere?

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3ds Max Animation :: Breaking Of Geometry And Animating It?

Oct 16, 2012

Imagine a flat box or cube (20 x 20 x 2) with many subD's so that it look like more a 3D plane rather than a cube. Is it possible to "pinch" off a peice off a piece of geometry off of the cube corner by using a mod so that the pinched piece literally breaks away from the parent piece? It can stay as the same object or a new object piece can be created..it doesn't matter, as long as I can animate the pinched off peice separately.

Win7 Pro 64bit
I7 3680 6 core 12MB cache w Corsair H80 liquid cooling
ASUS P9X79
32 GB DDR3
NVidia Quadro 5000
3TB WD

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Maya Animation :: Expression To Automate Animation Of Wheels

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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Maya Animation :: Blendshape Animation From Motion Capture?

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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Maya Animation :: Baking Parts Of Animation Deletes Others

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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Maya Animation :: ATOM Animation Transfer Between Different Characters

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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Maya Animation :: Bicycle Type Chain Animation?

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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Maya Animation :: How To Get Random Motion In Camera Animation

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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Maya Animation :: Hide / Show Components Within Animation?

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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AutoCAD Civil 3D :: Modify Settings To Create Points At Alignment Geometry

Mar 1, 2013

I have an alignment for a natural gas pipeline.

I want to use the 'Create Points at Alignment Geometry' tool in order to label only the PIs.  However, when I use the tool it creates two points (one called PI and one called CPI) at each vertex of the alignment.  How can I fix this issue and toggle the creation of the various other geometry points?

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AutoCAD Civil 3D :: Labeling Radius And Spiral A Or Length At Geometry Points

Sep 11, 2013

I'd like to view the parameters of my aligments elements near the geometry points. That is, the station and the radius value or spiral parameter (or what I want). I have explored the text & reference text but there is not R or A elements...

How is it possible ? C3D can detect the type of geometry poinr, so it would must to know R, Lenght,. A, etc....

In addition I 'd like to do it using the aligment label set.... sci-fi , isn't it ?

When you have to create plans, the aligments need to show a lot of information. Doing it manually is so boring..... (and in XXI century ...... )

Civil 3D (2013)

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