Questions tagged [interpolation]
Interpolation is the process of estimating the value of a function based on known values. In 3D animation it is the method used for calculating the in-between positions when animating a character moving between two poses. Blender also uses interpolation for generating geometry and other purposes. Use this tag for questions related to any of the uses of Interpolation in Blender.
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questions with no upvoted or accepted answers
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Eevee Linear / Cubic Texture Interpolation Complex Node Issue / Bug
A friend has been working on a project, and they have run into issues with using Linear Interpolation & Cubic Interpolation with their complex node tree.
This node tree will be working with low ...
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How to lower apparent resolution of image in composite nodes (with linear interpolation)
I need to reduce the horizontal resolution of an image in the composite node editor. Scaling down to 10% and then scaling up by 10x doesn't actually reduce the detail (resolution). Normally you would ...
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Is there a way to make blender use slerp interpolation when keyframing a rotation using quaternion?
I'm trying to get constant interpolation between keyframes when I rotate a bone or object using quaternion.
I already tried linear interpolation mode, however it still does not automatically give ...
2
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1
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How do I move a camera using just part of an exponential interpolation curve?
I have a model of a room containing a 1/10th scale model, containing at 1/100th scale model, containing a 1/1000th scale model.
I move the camera from a start position - looking in through the window ...
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2
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1
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Custom heatmap 3D texture
I have a 3D model constructed from photogrammetry. I would like to colorize this based on custom values on some vertices, and interpolate a heatmap for the rest of the mesh based on these values. I ...
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2
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Why Bezier Interplation of Blender is not as much dramatic and cinematic as of other softwares?
I am working on a project and when i use bezier interpolation, it looks like linear interpolation in real time with no dramatic or cinematic effects at all on the objects. is there some settings which ...
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50
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Make object follow moving path!
I need to get an empty to follow a moving path. The path is the guide for a record needle and is a rotating spiral. The empty needs to be still as I will be tracking the needle to it which will ...
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421
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Animating the trajectory of solutions to ordinary differential equations
Hello Blender Community,
I am new to the software and I am looking for some advice on the following problem.
Suppose that we are given the position and orientation of a rigid object in Euclidean ...
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1
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895
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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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187
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How to set *all* textures to closest (instead of linear) by default (how to disable pixel interpolation)?
Question
I've used the answer provided in this Reddit comment:
The fix is simply to select the image texture node you want to make pixellated in your material and change the top drop-down box from &...
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1
answer
38
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Interpolate z-values of vertices using the surrounding area
I've got an .obj file with a raised street (selected in the image) and uneven terrain around it and want to flatten the street, so it kind of blends in with the surrounding area.
What's important: ...
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What is more expensive - having 1.0 filter_size and use_filter_size_min = False or 0.1 filter size and use_filter_size_min = True?
Working with blender 2.79.
I'm trying to improve the quality of the jagged edges of the texture by having as few computation resources spent as possible (even 50ms difference is important).
After ...
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1
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How to remove the interpolation between 2 frames for a specific object using the Python API?
I want to render the results of a molecular dynamics simulation in Blender using the Python API.
I have managed to load the data and animate the molecules. Sometimes a molecule moves from one side of ...
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1
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1
answer
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Animate object along animated curve synchronization issue
I'm trying to animate something like a 3D pen that leaves a trail of filament. The problem is that the trail and the pen-tip are not synchronized.
I approach this by first animating a Bezier curve. In ...
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1
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312
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interpolate geometry node shape keys
I am working with this great solution (at the end of the thread): (How to create Shape Keys in Geometry Nodes, including support for curve handles?) but cannot figure out a strategy to morph between 3 ...
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Where did Interpolation Modes go in Grease Pencil Blender 3.1?
Just upgraded to Blender 3.1 and cannot for the life of me find the different interpolation modes in Grease Pencil mode. There used to be an options menu with different interpolation modes (sinusoidal,...
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Different Interpolation Types for Different Bones
Im not sure if this question was asked before, but
Is there a way to define the interpolation type for specific bones? For Example, i want to switch the expression of a character in a snappy way, but ...
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How to stretch out animation time for a volume object
Blender volumes are great; particularly when I've got a scene (as I do right now) with a number of fluid effects going on. I can simply save them into a directory as a bunch of OpenVDB files and ...
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Any mesh smoothing algorithm that preserves vertex positions?
Is there a mesh smoothing algorithm that adds detail (like subdivision surface) but preserves (at least more-less) positions of original vertices (unlike subdivision surface)? Preferably one available ...
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diffuse map bake shows weird helper edge?
So I have an image texture.
And I have a (mesh) plane.
And I added a material, the above image texture.
And I assigned the material to the plane.
I made second uv map, and mapped the plane to the ...
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221
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How to change interpolation to constant and set motion blur position to start of frame?
I encountered a problem where using motion blur in Eevee causes a render glitch when a Child Of Constraint keyframes are animated.
Looking into the problem I found this bug report: https://developer....
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211
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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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312
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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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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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TRS Animation Distorted between Keyframes, works directly interpolating matrices
I'm working with a model + animation and I'm having trouble getting the animation to function properly when I decompose the animation key frames into TRS and import into blender. When I render the ...
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1
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Problem with sample curve points and animating to a random position sequentially
I have this node setup:
The problem I'm facing, the first points on the curve are already moved away from the curve:
I want all the points to be at their origins (placed on the curve). Then I want ...
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20
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Rotate an object around its origin with an arbitrary (imported) global axis. Do it while keyframing. Do not rotate around root's origin
Can someone explain how to do this, rotate around an object's origin, not the root object, Rotate objects around their origin along a global axis (scripted) without bpy.ops but do it in terms of ...
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interpolate sequence for different objects
so i have a picture with around 30 leaves, drawn in grease pencil. now i want them to fly from A to B in 200 frames. I did it with one leave in edit mode, to try if it works. I interpolated the ...
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My graph curves look stepped even though I have removed the stepped modifier, is there something I did wrong?
Hello, I am currently having this issue on the screenshot, the graphs look to have stepped interpolation even though I have removed the stepped interpolation modifier. I have no idea what might be the ...
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Shading of imported STL
There is a new import option "STL" while the previous STL import has been renamed to "STL legacy". The new one is much faster, but it adds some inter-vertex shading interpolation ...
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How can transfer data from the point domain to the face corner domain
I could use some help with transfering data between domains.
I want a value stored in the point domain and value coming from the edge domain interpolate to the face corner domain,so I can adjust the ...
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127
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Constant Interpolation in my animation not working
The pose of my rig is changing on non keyframed frames even though I have the interpolation mode set to constant interpolation, which should only effect keyframed frames. The issue seems to only be ...
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160
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Trouble blending Forward and Left Strafe animations in NLA Action Editor
I'm currently having an issue with blending animations using the NLA Action Editor in Blender. I have a character model with four strafe animations (Running Forward, Running Backward, Strafing Left, ...
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92
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How to keep linear interpolation setting without uv map bleeding?
So I have a texture atlas with a uv map for tiles in my landscape. I know you can set interpolation as closest to stop the bleeding, but I dont like the look of my textures with closest interpolation ...
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327
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How to set texture interpolation for Empty Images?
You can change the texture interpolation for images used as textures for objects in the Image node under the Shader Editor.
Here you can change it to various interpolation method, in this example I'...
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49
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Script Grease Pencil Interpolation?
Trying to interpolate using bpy.ops.gpencil.interpolate() and bpy.ops.gpencil.interpolate_sequence() which need a context ...
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VSE Transform Position attribute integer value workaround (2.93)
I just realized that in Blender 2.93 VSE strip transform position attribute is an integer value (pixel value as the picture shows below).
Because of that animating the position results a stop/stepped ...
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1
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130
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Curved interpolated transition between surface and upright circle
I'm trying to make an object consisting of a curved flat shape transitioning to an upright circle.
I already made some edges for the transition profile using curves.
If I convert those curves to a ...
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224
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Tweening drawings in Blender 2D object mode
So this seems like and obvious thing, but It's got me beat, and I've scoured the internet for threads about this problem and I haven't found them. I'm doing a rough frame-by-frame animation and so I ...
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Why doesn't blender grease pencil solid fill interpolate properly
I'm kinda noob when it comes to grease pencil in blender, I'm trying to render wavy blocks to maybe use as sprites in a game I'm creating, the strokes seem to get interpolated quite nicely but not ...
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Rotation problem when using bezier interpolation
I have built an helicopter and I rotated its propeller, when I used linear curve interpolation everything went fine. However, when I changed the interpolation to bezier it keeps rotating back and ...
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669
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Generate/Get all keyframes with python
I'm working on a project which requires me to export all keyframes for 1 object (the camera) in a "generated" state, meaning all the control points as well as all the keyframes generated by ...
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Interpolating between SVGs
I am very new to Blender.
I am trying to create a mesh model to eventually 3D print. I have imported 3 different SVG files, each one is a frame from a video of a running horse. I want to connect the ...
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Quaternion does not interpolate by the shortest route
I am rotating my camera. I have two rotations, both quaternions.
The big white cube (which I added as refernece) can be seen in both frames, as proof that this rotation is not significant.
from: {0....
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Copy shape key to a different object with similar geometry
Is it possible to copy a shape key between objects with similar geometry? Specifically, I am looking to transfer shape keys from a higher poly mesh to a lower poly mesh that are very similar in shape, ...
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Beginner: Is there a way to calibrate 2d interpolation without doing it frame by frame?
I'm learning blender and trying out animating with grease pencil with the hopes of creating 2D animations for web (if anyone got any tutorials I'd gladly accept links). When I try to interpolate ...
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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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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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