Questions tagged [conversion]

Questions about converting different types of data to other types of data. Anything from file types to objects and values.

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49
votes
3answers
229k views

How can curves be converted to meshes?

Is is possible to remove the curves and only have the mesh of a tree that was created with the saplings add-on? I'd like to apply a decimate modifier to have a few low-poly trees, but this doesn't ...
34
votes
3answers
29k views

How can I convert an SVG to a mesh?

In Blender, extruding and beveling of SVG imported objects, works very well when they are still bezier objects, but the conversion of a SVG path to a mesh is very ugly, with a lot of unnecessary ...
31
votes
3answers
110k views

How do I convert a triangle mesh to a quads one?

I'm throwing a 3D triangulated mesh into an acoustic simulator. The simulator instructions say that ideally it wants quads. If it receives triangles, it will consider them as a degenerate quad (i.e. ...
25
votes
2answers
18k views

3x4 camera matrix from blender camera

In computer vision, the transformation from 3D world coordinates to pixel coordinates is often represented by a 3x4 (3 rows by 4 cols) matrix P as detailed below. Given a camera in Blender, I need ...
24
votes
3answers
43k views

Convert Cycles Hair Particle System to Mesh Object

I'm hoping this community can help me solve a issue. I have created a cycles hair particle system to render grass. This is successful in rendering and works great. However I want to convert this ...
16
votes
1answer
7k views

Convert large particle system(s) to one object efficiently

I place leaves on my trees with emitter particle systems. Then, to make a forest, I place those trees with another emitter (or hair) particle system. Problem is particles of particles don't work, I ...
16
votes
1answer
22k views

How to change the frame rate of video

I have some footage with a weird frame rate of 57.19 fps. Is it possible to convert the footage to a frame rate of 24 fps? I know Adobe Premiere has that feature but does Blender?
10
votes
1answer
2k views

HSV to RGB conversion

let's take the hsv color 0.4, 0.8, 1.0 everywhere I looked this converted to Hex 33FF85 - even in Blender when I convert it to RGB(using python colorsys, python ...
10
votes
1answer
3k views

How to convert a text object directly to an ngon?

Is there a way to convert a text object directly into an Ngon? Very often when using text it's necessary to convert it to a mesh for further manipulation. However, the resulting mesh is full of ...
9
votes
1answer
7k views

What is blender's camera projection matrix model?

I have question what is blender's camera projection model. I want to use blender to my computer vision experiment which need to compare real photo and CG. For real photo, I used camera matrix K for ...
8
votes
2answers
6k views

Create a mesh from image with transparency

Is there a way to create a flat mesh from an image that has transparency, so that the mesh matches shape and does not include the transparency in the geometry? I have tried converting my image in an ....
7
votes
2answers
7k views

How to batch convert between file formats?

I have about thousands of files I need to convert into from one format to another. Both formats are handled by existing add-ons.. I assume the script process would go something like this: Select ...
6
votes
1answer
734 views

Is there a bpy function to convert from blender units to Imperial?

Is there a bpy function to convert from blender units to Imperial? something like: >>> blender_to_imperial(2.0) ... 6.562' This functionality is ...
6
votes
1answer
869 views

Blender linear RGB to sRGB conversion

Does anybody knows what operation Blender does when it saves the image to .png file? I am interested in an exact formula, it might be also the source code. What I found in source till now is RGB->...
5
votes
3answers
14k views

Alt-C not working in Blender 2.8

I want to convert my text object to mesh. In 2.79 it was Alt-C, are the keys changed for 2.80? I browsed it externally and I got some thing like this image as answer.. but any shortcut-keys will be ...
5
votes
1answer
405 views

3D printer file type support

For Blender 2.70, I'm trying to figure out: Which 3D printer file formats Blender natively supports Which 3D printer file formats Blender can support with the use of plugins/extensions/etc. Which 3D ...
4
votes
2answers
7k views

Is there a working extension to import Kinect skeleton data as animation into Blender?

I already tried Bloop which would end in rewrite lots of C++ and Phyton code. The issues with bloop are described here im-so-annoyed-im-resurrecting-this-blog. For other things like RGBDemo the ...
4
votes
1answer
2k views

How to convert image textures to different formats?

I used Blender to export a 3D model in X3D format. However, textures are automatically exported in TGA format. In order to print multicolor models in Shapeways (https://www.shapeways.com), the ...
4
votes
1answer
2k views

Convert imported SVG shape to Bézier/NURBS surface

I have a closed Bézier curve created in Illustrator which I've imported into Blender via SVG. I don't want to extrude it, but rather make it a filled surface (at the moment it's just a path) which I ...
4
votes
1answer
2k views

Converting a mesh to voxels

Is it possible to convert a mesh into a voxel image? This operation would make white voxels inside the mesh, and black voxels outside the mesh, and would either: write a standard 3D image file ...
4
votes
3answers
499 views

How to convert physics animation to a curve/path?

Ok. I have a ball at the very top and a long curved tube leading down and I want to turn the ball's physics animation into a follow path animation. In order to do that I need to somehow make a path ...
4
votes
1answer
587 views

How can I decompose a matrix for use in DirectX?

I'm writing a custom exporter from Blender that will work with DirectX. I am using as a guideline the DirectX exporter found in Blender 2.76. The Blender export script for DirectX uses the following ...
4
votes
2answers
1k views

Blender unit conversion without scaling relative to the scene?

I'm a fairly new employee and Blender user (long-time Maya user). I may have gotten myself into a bind and hoping you all can help me out... As a new employee, one of the first things I asked was ...
3
votes
2answers
15k views

How to convert a mesh model to a curve/surface?

So, I am modeling on a ship, and I wanted to know if there is a way, like I "think" I saw in Rhinoceros 3D. I basically want to convert my model from a mesh to a curve/surface/NURBS model or whatever ...
3
votes
1answer
4k views

How can a path animation be used as an action in the game engine?

I animated a rollercoaster using a Bezier Curve and a Follow Path Constraint affecting the vehicle. Then I tried to use the automatically created action in the game engine but the Action Actuator has ...
3
votes
1answer
213 views

How can I disable bpy.ops.convert objects sorting?

I would like to iterate through all objects in my scene and change their type to Mesh using script. It works, however after every iteration blender sorts all objects on the map (I've got over 130 000 ...
3
votes
1answer
774 views

Volumetrics data into mesh

Is there any way to convert volumetrics into mesh? I managed to recreate 3D structure from 177 serial images (confocal microscopy) using volumetrics, using guidelines found here I'm not satisfied ...
3
votes
1answer
2k views

How can I convert a file with the command line?

I want to convert a file from VRML to FBX without rendering the model using blender. Is this possible via command line? edit: I'm working on windows and tried the following: I added the blender ...
3
votes
1answer
724 views

Bad quality mesh, Narrow tris as result of Ctrl+t (exporting stl file)

I am trying to make a relatively simple 3D-model. resulted quad mesh is very good (fig). however, when I convert the quads to tris I would get this very narrow triangles which I do not want. the only ...
3
votes
0answers
47 views
+50

Bake animated emitter particles to individual meshes

I was wondering if there is any way to bake an animated emitter particle system to a mesh so I can tweak the animation curves of each of the particle individually. Thanks.
3
votes
0answers
665 views

*.JT CAD format direct import

Has anyone stumbled across a decent way of importing .jt CAD files into Blender? Direct import would be nice. Currently I am using CAD Exchanger (paid license) but if someone is using an different ...
3
votes
0answers
193 views

Convert polygonal cube to solid primitive cube/box

I have a radiation analysis program (NOVICE by EMPC) that only accepts 3D models made up solely of solid primitives, such as cubes or "boxes". My strategy is to "voxelize" complex models using ...
2
votes
2answers
556 views

How can I insert values at the start of an array of vectors in Blender 2.8 using Python

How can I insert a value in a array of vectors using Python 3.x? The full code is below. It is using Blender 2.82a: ...
2
votes
1answer
2k views

Batch convert smd to fbx files

I have thousands of .smd files I need to convert to .fbx files. I have an add-on that lets me import .smd files, but going one by one will obviously take forever. I need the script to search the main ...
2
votes
1answer
339 views

How to convert images from logarithmic space to linear?

Some software have the ability to convert from/to Cineon logarithmic space to linear. It also appears that Blender had a node named log2lin in some point (in 2.4 maybe). Is there a way, addon or node ...
2
votes
2answers
470 views

How do I convert a mesh and curve into just a mesh?

I have a cylinder that I made into a fish for a fountain ornament. I made it out of a cylinder and a parent curve. I want to make that into just a mesh now so I can import it into Unity. Currently ...
2
votes
1answer
98 views

Using a .step file or other CAD files in blender

A while ago I tried to find out how to convert a .STEP file to a format that I could use in Blender and I noticed some people didn't think it was possible and some others gave links to blender addons ...
2
votes
1answer
49 views

Convert Sphere UV Coordinates to Object Coordinates

I am trying to procedurally flatten out roughly one half of a sphere by using displacement. This would be easy to do by using Object or Texture Coordinates, but since I need these to be preserved for ...
2
votes
1answer
233 views

Converting metaball object to mesh in python returns empty mesh

In my script I'm trying to: Create a metaball object (works) Add metaball elements to it (works) Convert it to a mesh (returns empty mesh) Store the data in a bmesh (works, but is of course still ...
2
votes
1answer
696 views

How to transfer an animation from a tree of empties onto an armature (space conversion)?

I'm writing an importer for a game format and everything is fully functional except for the animations, which are still not affecting the skeleton as intended. Note that the conversion from node to ...
2
votes
1answer
968 views

How do I fix this Traceback error for Massive Material Nodes?

I'm trying to convert my material from Blender Render so it can be used in Cycles Render, but I get this error when trying to use the addon for this. Can this be fixed or is there a different addon I ...
2
votes
1answer
2k views

Turning a 2D dwg into a basic 3D render

I currently have a task to turn several 2D dwg files into basic 3D renders (building layouts); I've purchased a plugin to import 2D DWG files into Blender but am at a loss as to how to easily turn ...
2
votes
1answer
51 views

What is the best way to convert VRay Reflection Maps to Roughness?

VRay uses a slightly different material workflow that makes use of reflection maps. I know that you can convert a gloss map to roughness by simply inverting it. However I've read that reflection maps ...
2
votes
1answer
542 views

Converting parent animation to keyframes

I currently have an empty object as the child of an animated object which gives it motion of its own. I was wondering if there was a way to remove the parent object while keeping the motion on the ...
2
votes
1answer
2k views

Is it possible to export .MDL files?

I'm throwing this question out there if anyone is interested. I'm trying to build a simple rotorcraft model for a flight simulator. It has 10 engines and is a called a deca-rotor. I have a cheesy ...
2
votes
2answers
571 views

Convert animated bones into empties

I just created a model (using for a game) that uses several unconnected bones within the same armature to animate the model. It wasn't until I spent several hours modeling, that I realized the ...
2
votes
2answers
17k views

How do I import a Second -Life Avitar (XML file) into Blender?

I have recently downloaded Blender 2.71 as I thought maybe it would have the import/export option for xml that 2.70 did not. I have only been using blender for two months. I have not used any other ...
2
votes
0answers
68 views

Is Alembic the correct option for me?

I use Blender for Minecraft animations. I make my maps in Minecraft and export them with Mineways in OBJ format. I use quite big maps(around 3 GB). Blender can't open big files or takes a long time. ...
2
votes
0answers
6k views

A quick way to convert 3D models into 2D

I'm trying to convert the 3D model of a humanoid mesh a 2D flat model,because I've thought : since I want to do the projection painting of an hand drawn image that's 2D,that you can see below : if I ...
2
votes
0answers
236 views

How can I import a set of OBJ files that represent animation frames for a mesh?

We need to convert a 4D (multi frame volumetric data) medical scan to an animated 3D mesh, for use in realtime 3D rendering. Some 3rd party medical software we use can extract polygonal meshes for ...