Questions tagged [interpolation]

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Apply vertex weight interpolation

When rigging I weight paint a low poly mesh and then apply subsurface modifier on top. If you put subsurf under the armature modifier, it will interpolate the vertex weights nicely. If I then apply ...
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28 views

Interpolated Hair Children Renders a Square Pattern

The hair particle system on this side of the scalp is emitting a square pattern artifact, even though the settings have been copied exactly from the other side of the scalp. This only seems to occur ...
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1answer
31 views

Keyframes do not interpolate

For some reason, the keyframes I think don't interpolate. It is impossible for me to create two keyframes with different opacity in the same clip but, the strangest thing is that, when trying, the ...
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19 views

animation rotates over long angle (interpolation)

i am struggling with keyframing my 2d rig in blender: sometimes, the Rotation is interpolated over the Long angle: even though a bone only rotates About 40° between keyframes, the Interpolation goes ...
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18 views

Ease in and out when using constant interpolation

I am making an animation which contains thousands of key frames as it is musical. This requires constant interpolation so that the ‘hit’ stops and starts at exactly the right time. However, ...
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2answers
634 views

Animation: customize bounce interpolation

I want to animate a plane falling onto the ground. It’s good to have the bounce interpolation however you are quite limited when you want to customize it, for example adding more smaller bounces to ...
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0answers
65 views

Keyframe interpolation results in bouncy feet

I made a very basic test model (Programmer by trade, not artist), I wrote an exporter to export the model, armature and keyframes. Everything was going pretty well until I noticed that the feet of my ...
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2answers
104 views

Looping background (png image) in Blender for a car chase scene

While animating a car chase scene I need to have a background image (that includes trees, buildings etc) which moves from right to left and gets repeated in loops. I Couldn't find any driver or ...
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2answers
87 views

Bezier Interpolation

I have a Bezier curve with three shape keys as shown above. All three have the same length. The animation with shape key evaluation time from 0 to 20 (with 'Relative' unchecked) is shown below. As ...
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1answer
179 views

How do you turn on constant interpolation for keyframes in blender?

Following a tutorial with my own keyframes and the lecture was talking about how he is using constant interpolation for keyframes so blender doesn't interpolate the in-betweens like below. Where do I ...
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1answer
23 views

the problem is different animation, when creating and playing

When I create an animation by rotating the bone, I get the result that is different when I play an animation. The mesh is shifted during playback. https://www.youtube.com/watch?v=aaNqxWMJLMs&...
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144 views

How to turn off keyframe interpolation (when importing to Unity)?

I'm not entirely sure whether this is actually a Blender or Unity problem, so I'm sorry it shouldn't be on this forum. I made an animated character in Blender, exported it as FBX, and imported it to ...
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1answer
242 views

Cubic bezier and cubic hermite interpolation for FCurves

I am writing a custom import/export addon for a model file format that supports animations for cameras with cubic hermite and cubic bezier interpolation. Is it somehow possible to emulate the same ...
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2answers
121 views

can you delete keyframes at regular intervals in a given range?

the BVH I imported has keyframes on almost every frame.. i want to edit like 300 frames and i want 1 keyframe for every 30 frames for those 300.. Im currently doing it by placing 2 markers between ...
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1answer
229 views

Constant interpolation with Noise Modifier

I am trying to create a curve in the graph editor with my interpolation set to constant and a noise modifier added. The ...
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1answer
541 views

Bezier curve interpolation not uniform

I generated a bunch of points using mathutils.geometry.interpolate_bezier() but noticed the points are not uniformly distributed on the curve. Please see attached screenshot. I think it has to do ...
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1answer
495 views

When is cubic texture interpolation helpful?

I noticed that Cycles is capable of using cubic texture interpolation for image textures but there is nothing in the manual about it, and every tutorial I've seen only mentions it by saying to leave ...
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2answers
571 views

How can I disable auto ease in [duplicate]

So we all know its there, and we all know how to fix it, but adding the extra steps to have to change the interpolation on every new animation just plain sucks. To be honest I don't find this feature ...
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0answers
336 views

Does anyone know if there's an addon for Grease Pencil Interpolation?

Is there currently an addon for Grease Pencil Interpolation? And if there is can anyone point to me a website that has it. thanks.
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1answer
350 views

Need to export animations into FBX without interpolations (need just keys solely )

Im creating animations in Blender (2.77) to export the model into FBX file to read it later using Assimp library in c++ to do calculate interpolations while run-time, but the problem is I can't ...
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1answer
619 views

I cannot find interpolate key of grease pencil in tab

I want to interpolate keyframes in grease pencil, but the interpolate key isn't found. In addition, although I tried to push shortcut (Ctrl + Shift + E and Ctrl + Alt + E), it doesn't work. Could you ...
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1answer
180 views

Interpolating continous rotation

I need some help with animating a rotating object. I am attempting to rotate the object with the help of a generated rotation matrix. I insert a keyframe for for every 5 frames with quaternion ...
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1answer
724 views

Unable to change animation interpolation or extrapolation

I'm new to Blender and I have a simple animation consisting of an empty object changing orientation around its Y axis about 30°. The steps to animate this: Opened up timeline and set position to 0 (...
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0answers
302 views

How to edit interpolation for multiple bones in armature?

Hello fellow blender artists, I would really appreciate, if you could have a look at my attached animation in progress: It's a printmaking press with movable desk and felt. It took me pretty long ...
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1answer
353 views

Can F-Curves be used to define interpolation between keyframes?

What I'm trying to do specifically is animate a punch. With the default Bezier curves, the interpolation between the "wind-up" and "contact" poses gets eased in AND eased out. This effectively makes ...
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2answers
266 views

How to create intermediate vertices of a humpy surface (interpolation)

I took a cube, stretched it, added a number of intermediate edges and adjusted their height to get a humpy top surface. Now, I want to get a smooth top surface by adding interpolated vertices. The ...
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1answer
137 views

Comprehension question about “Interpolation from Curve Mapping” node

I do not understand properly the behavior of the "Interpolation from Curve Mapping" node. At all interpolation nodes the output value of the corresponding Evaluate node is "0" at positon "0" and "1" ...
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3answers
1k views

What is the mathematical basis for F-Curves?

The Blender user's manual says: Although F-curves are very similar to Bézier Curves, there are some important differences. One of these differences is the fact that an F-curve doesn't allow a ...