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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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 ...
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 ...
31
votes
3answers
111k 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. ...
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 ...
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 ...
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 ...
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 ...
1
vote
2answers
613 views

How can I reduce the vertices on this converted file?

I have a file 500 MB in size with 4 million vertices that was converted to a .blend from a .ply. A large majority of the vertices really aren't necessary, as they are on the same plane. The file comes ...
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 ....
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 ...
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 ...
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 ...
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 ...
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 ...
1
vote
1answer
2k views

Convert from Blender rotations to Right Handed Y-Up rotations (Maya, Houdini, …)

Question: My question is, how can I convert a Blender Z-Up RH rotation to Y-Up RH (Maya, Houdini, etc.) rotation? (I believe Blender uses a Right-Handed Z-Up orientation... correct me if wrong) ...
2
votes
1answer
699 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 ...
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?
3
votes
2answers
16k 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 ...
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 ...
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 ...
1
vote
0answers
121 views

Coverting an appended object into a linked object?

"Is it possible to convert a previously appended object into a linked object. So as to retain the animation on the appended object after converting or replacing it with the linked proxy version?"
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 ...
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
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 ...
1
vote
1answer
1k views

Problem with particles, converted into mesh objects

I have an object with a particle system. The particle system emits another object as a hair. I use "Convert" button in modifers tab in order to turn the "particles" into simple mesh objects. But then ...
1
vote
1answer
256 views

What's the easiest format to use to create a mesh object?

I think that I have to create a beveled mesh 3D shape out of a stock image. (I am using 2.69 on Linux.) Say, it's a dollar sign. I was told to use an SVG curve image and convert it to mesh, and ...
0
votes
1answer
213 views

Convert a circle face to a square?

I don't know how to make that transition from a circle to a square. Any ideea ?