All Questions
28
questions
0
votes
1
answer
19
views
Camera pose not updated for render
I created a script to render images with different came poses with Blender 4.0. But I always get the same image, the camera pose is not updated. I tried with the python interpreter, blender script tab,...
- 33
0
votes
0
answers
80
views
Camera rotating around the object in a regular way with python blender
I want a camera that rotates regularly around the object I have taken with the blender package in python, and I want to take the image of the three-dimensional object from certain angles at the time ...
0
votes
0
answers
209
views
How to set the camera distortion by script?
I have:
A 3D point cloud indoor scene;
camera_poses.npy: records the camera pose changes, e.g. (x,y,z,qx,qy,qz,qw)
camera_info.txt: stores the parameters of the real camera, the contents are as ...
0
votes
1
answer
48
views
Acquiring camera position in script in junction with "Lock Interface" during rendering animation
within a Python script resp. a frame change handler I need to get the current camera position and do some calculations with it. I do this as follows:
camera_object = bpy.context.scene.objects["...
- 89
5
votes
1
answer
374
views
Adding jitter to a constrained camera
I am trying to add some camera jitter to my scene. The camera is parented to an empty and constrained to follow a circular path. I tried using the graph editor to add a noise modifier on the Z axis, ...
- 55
2
votes
1
answer
329
views
How to calculate what percentage of the area of an object appears in the render view?
Take the pictures below as an example, I want to calculate how much of the jersey number on the tshirt of the human model is visible on the render view. In the first case the jersey number is totally ...
- 223
0
votes
0
answers
31
views
Problems rendering camera motion (Euler angles) and lighting
I am having trouble rendering camera motion and lighting. In the example below, my scene contains a sphere and a plate, and some light. But while rendering, the light does not seem to lit the plate. ...
- 1
1
vote
0
answers
608
views
Pinhole Camera?
I would like to know if the default camera generated by blender 2.9 is based on the pinhole model, or if I can apply this model to it? If not, how can I generate a pinhole camera with blender?
I saw a ...
- 11
1
vote
0
answers
245
views
How to center rendered object in Blender script
I currently have a small Blender script that renders depth map images of OBJ files at different orthographic views. However, one thing I haven't been able to figure out so far is how to center the ...
- 153
1
vote
1
answer
709
views
Fast streaming camera view to video for linux (v4l) system device
What i'm trying to achieve is to stream an arbitrary camera view in blender to a v4l device.
What i've done so far
After reading the community post about streaming the Eevee view on Windows and linux, ...
- 63
2
votes
1
answer
2k
views
Automate the rotation of camera around an object with python
I have a 3D model of a liver and I wanted to get the rendered images of the model from various angles like the ones shown below.
The path the camera would traverse would be roughly circular/...
- 51
3
votes
0
answers
2k
views
Unsure about use of matrix_world
Some Context
I have a computer vision task where I have to generate some synthetic data from rendered images of a 3D model(liver). So to do that, I have first to generate a bounding box around that ...
- 51
1
vote
0
answers
392
views
Rendering from command line script that allows specifying which camera to use / render with
I have a command line script below that can render an image of frame 193 of a blend file using the default camera below, but how can I specify another camera view (specify which camera to use / render ...
- 4,543
1
vote
1
answer
691
views
How to render from multiple cameras in one go?
I have a scaffolding setup with multiple cameras locked on to a target. I plan to use this to render a model from various positions. This loop has worked for everything else such as changing name and ...
1
vote
1
answer
2k
views
How to render all cameras in the scene automatically
How can I render all cameras in the blender scene automatically, with multiple resolutions and sampling set per camera? I'm using Blender 2.8
The reason I am looking for automation is the following: ...
- 393