Questions tagged [command-line]
Questions pertaining to using Blender from the command line or using Blender's console window.
265
questions
0
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0answers
18 views
Render Function - rename filename
So close yet so far (I think)
A function within an addon am creating is suppose to rename the file ouput using tokens. This is based on the Oscurart tools.
The projects consists of markers on every ...
0
votes
0answers
17 views
How do I render a render view layer using the command line in Blender 2.8
It is possible to render using a specific scene but I did not see how to select only a view layer.
The only solution I found is by unchecking the "Use for Rendering" button for each undesired layers, ...
0
votes
1answer
20 views
Script for loop issue
So I should be missing something simple. (Amateur here...) I am testing snippets of code to create an addon.
The idea is to create markers on the timeline from a list.
The code below works in the ...
1
vote
1answer
15 views
How to change object geometry over time in the same model from the command line?
I'd like to write a python script can change (not delete and re-create) the geometry of an object AFTER the initial object has already been loaded by blender.
To clarify, here are the 3 basic steps:
...
0
votes
1answer
37 views
Blender 2.8 Command Line: Errors on running script
I am looking to run my python scripts using the command line. So far, I have confirmed I can open blender using the command line, and I can open a specific file as well.
The issue comes when I ...
-1
votes
1answer
19 views
Python - writing console output to disk
Is there a way to write the console output to disk? In other words, as the system writes to the console, it also writes to a text file?
I am hoping that there is a simple setting in blender rather ...
0
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0answers
16 views
Cannot Render Frames From Command Line/PowerShell
So I've been learning to use Blender and want to render the first and last frame of an animation that I created.
Looking at the documentation, I came up with this command:
...
0
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0answers
9 views
How to see a shader and its nodes thru python or text console?
Can i inspect how a shader node is build seeing it thru python console or text script? it's possible to save/export shaders as scripts?
0
votes
1answer
35 views
Error with Python script when run using `--background`
With the following minimal example:
test.py:
import bpy
bpy.ops.mesh.primitive_plane_add(size=1,
location=(0, 0, 0))
Calling ...
0
votes
0answers
27 views
Reduce text output of command-line render
When executing something like blender -b project.blend -a a line for each object syncing objectxy1, ...
1
vote
1answer
80 views
Rendering on command-line with GPU?
I am trying to submit a render job via slurm on our cluster with blender 2.8, that is, completely command-line based with no way to start the GUI on the computing nodes.
I have assigned 38 CPU to the ...
0
votes
1answer
41 views
Blender kiosk mode?
Sorry if the question is stupid or doesn't make sense. I'm playing around wiht Blender as a programmer, I'm not an 3d artist.
Is there a way to open Blender in this kiosk mode (like Electron does ...
0
votes
1answer
155 views
How to select all non-CPU CUDA or non-CPU OpenCL devices for Cycles rendering (command line)?
I'm looking for a way to have Blender 2.8 render with Cycles using CUDA but only for Nvidia GPUs (no CPUs selected) and do the same using OpenCL with only AMD GPUs (no CPUs selected).
My goal is to ...
1
vote
1answer
142 views
ImportError when loading Open3D module into Blender python console
I have installed the Open3D module using pip into the interpreter of Blender 2.79b, which uses Python 3.5.3. If I open the Python interpreter from the system ...
0
votes
1answer
55 views
Why do I get 'addon not found' errors when starting blender from the command line?
I installed blender with the source code and when I start from the command line it shows:
...
2
votes
1answer
45 views
Blender hangs on exit with console window open?
Has anyone run into an issue with Blender randomly freezing/hanging when you attempt to close while the console window is open? I can't say for sure that the console is the murder weapon, but after a ...
0
votes
0answers
31 views
Command Line OBJ Model Merging and Texture Applcation
I would like to use the command line to take 2 obj files and merge them while also merging their associated material files.
I would also like to be able to in the same command line apply a texture to ...
1
vote
1answer
42 views
How can I make Blender to exit with the same exit code as the python expression?
I am running a python expression through blender from the commandline. I want to know if the python expression is executed correctly or not. But Blender always exits with a 0 code. Is there any way to ...
0
votes
1answer
20 views
How are scripts from commandline executed
to state it right away, I'm a complete beginner to scripting in blender.
I have a simple python script to change the text of a text element. The script works when run from the scripting tab in ...
0
votes
1answer
380 views
Blender 2.8 - AWS EC2 command line EEVEE render
I have been trying to get this to work for a couple days now. I have an EC2 P2 instance with NVIDIA CUDA configured by default, its a Deep learning Ubuntu AMI. This OS does not have a GUI so ...
1
vote
0answers
32 views
Calling blender in PHP outputs nothing
I'm currently running a python script in my command line that uses blender:
blender -b -P script.py -- argument1
This works fine in my terminal however it ...
0
votes
0answers
40 views
Is there some way I can update the viewer node during background rendering to output the correct results?
I'm rendering several images from one blender file and I would like to manipulate the pixels of the render output directly. I implemented the workaround from https://blender.stackexchange.com/a/71264/...
0
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0answers
32 views
How to install blender 2.79 -on-centos-7 DEDICATED SERVER? (CentOS Linux release 7.6.1810 (Core)
Only need to use blender to render in the background via .py script, GUI not needed. This video is why I think it will work, published on Jun 27, 2019: https://www.youtube.com/watch?v=LbadAU8CULs (...
1
vote
1answer
48 views
How to start rendering (and save result) in terminal on Ubuntu?
I am getting ready, to try out cloud computing for Blender rendering,
that's why I'm curious if I can just drop the .blend file and render the scene from the terminal.
PS: Can Somebody tell me if I ...
0
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0answers
70 views
Is there any way to iterate the name of output image file?
This is the command that I'm putting into console:
...
1
vote
1answer
69 views
0
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0answers
23 views
Blender as a Python Module Mac
I've been following this tutorial on how to build blender as a python module. I am current working on a Mac. I've successfully got the source from Git, but I'm stuck trying to edit the CMake ...
0
votes
1answer
95 views
Display full error at the bottom right of blender 2.8
I am using a python addon throwing an exception and i can't figure out how to display the full error in blender 2.8+ :
0
votes
0answers
24 views
Program shutting down after 1 minute
I have come back to Blender after a while of being away but now when I open Blender it closes the program after 1 minute of it being open without giving a message.
I have tried reinstalling the ...
0
votes
0answers
165 views
why do i am getting unrecognized arguments while parsing with argparse? [duplicate]
i am running a blender script where it takes command line arguments which are these
...
0
votes
0answers
73 views
blender Python script not running from command line in background mode
I am using blender from last 2 months and i built a python script to generate animation and it was running pretty nice from command line by ...
0
votes
0answers
168 views
Does Blender 2.8 (cycles) require OpenGL 3.3 even when rendering on command line?
Blender 2.8 seems to be running only on OpenGL 3.3.
I would like to test out Blender 2.8 rendering on Raspberry Pi 4 which comes with OpenGL ES 3.0 support only.
Does Blender 2.8 Cycles require ...
0
votes
1answer
38 views
How to show operator properties when running operator in scripts or console?
I run an operator in the console, but the operator properties are not shown in Tool Panel.
However, if I run the operator from search, the properties will be shown up.
How to show operator ...
1
vote
0answers
20 views
Dynamic sys.stdout memory location, constantly changing the address
I am going to use logging.StreamHandler in Blender console. But, sys.stdout is constantly changing in the memory.
In Windows Console:
In Blender Console:
Because of that, I cannot use logging....
1
vote
1answer
37 views
2.79b to run script using command line in windows, preferably with a desktop shortcut or exe
Here's the code i have written so far, it's working inside blender text editor.
I however like to run this script without opening blender, with command-line, better yet to create a shortcut icon on a ...
0
votes
0answers
21 views
Command Line Arguments for Hybrid Rendering (Parallel CPU + GPU)
There doesn't appear to be anything mentioned in the 2.8 user manual yet, unless I missed it.
Are there any CLI arguments we can pass to set it to hybrid rendering?
My blend file is setup to do this ...
2
votes
1answer
66 views
Different behaviour in script compared to Python Console
I'm running a script in Blender 2.79b to save 2D proyections of a 3D face model with annotated facial landmarks, I apply random transformations to the mesh and the landmarks, render the mesh and save ...
0
votes
0answers
44 views
Failed to set 44100hz, use 48000hz instead [duplicate]
How do i fix this? Ive used youtube videos and online information but nothing helps. My computer is an Lenovo, Ideapad 330. Its processor is an AMD A9, Radeon R5, 5 compute Cores 2C+3G. It also had ...
0
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0answers
41 views
How do I use a cached/baked smoke simulation with command line rendering?
Under cache in the physics tab on the smoke domain, I have Use Library Path and External checked and a ...
0
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0answers
21 views
How Blender uses the command line to detect missing texture files
How does Blender use the command line to detect missing texture files and display prints? I am not very good at English.
0
votes
0answers
77 views
Open blend from script and render after interface fully loaded
Blender 2.79b
Ubuntu 18.10
I use CLI to start Blender. My blend file is simple animation with a movie appended to one object, to be played during animation. When I run ...
1
vote
0answers
105 views
Headless rendering on remote Ubuntu server results in blank render
If I try and render this .blend on my Windows machine, using this command, I get the correct output:
.\blender.exe -b testrender.blend -f 0 -F PNG -o frame_0.png
...
0
votes
0answers
125 views
Blender Crashes seconds after startup
{Lenoveo Ideapad 330, Windows 10, Intel core i5-825U @1.60 GHz 1.80 GHz, 8 GB RAM, Intel UH Graphics 620}
Hello friends,
I downloaded blender today to try it out. When I launch the program, the ...
1
vote
1answer
395 views
How to use Keyframes and the Python API programmatically?
Currently I have a default cube and 400 frames.
Here's what I have working without keyframing
...
0
votes
0answers
101 views
1
vote
2answers
147 views
duplicate the mesh in edit mode and flip normals using python script
I want to make my two sided (input model is collada). so, for that i want to duplicate all the faces in edit mode and then flip normals, and then export the model as fbx. i want to do this using ...
0
votes
0answers
19 views
Blender console loading for a long time
A few days ago I ran into a problem with Blender. When I open Blender the command window just stays there for several minutes and then blender opens, the problem is that blender just freezes when I ...
0
votes
0answers
80 views
Join two imported objects to set shape key via bpy script from cmdline
For an automated workflow (call from cmd), I am trying to import two objects into blender and would like to generate linearly interpolated shape keys based on the ...
1
vote
0answers
158 views
How to run Blender through VNC on Ubuntu?
I am using tightVNC to connect to an Ubuntu 18.04 server.
When I try to start blender, I get the following error in the command line:
...
0
votes
0answers
235 views
Found bundled python and crash
If I open Blender 2.79b, it gives a command window briefly which says
found bundled python: C:\Program Files\Blender Foundation\Blender\2.79\python
I did this ...
