A free, open-source module for producing real-time 3D scenes with Python.
VPython makes it unusually easy to write programs that generate navigable real-time 3D animations. It is based on the Python programming language.
Questions tagged [vpython]
345 questions
0
votes
1 answer
spring wont oscillate vpython
from __future__ import division, print_function
from visual import *
scene.width = 400
scene.height = 760
## constants and data
g = 9.8
mball = 0.03
L0 = 0.26
ks = 1.8
sf = .5
sf2 = 3
#Graphs
## objects (origin is at ceiling)
ceiling =…
Grant Caillouet
- 9
- 2
0
votes
1 answer
Installing Vpython and QuTiP with Anaconda
I already have QuTiP installed on my Windows machine using Anaconda.
I am now simply trying to install the python module "Vpython" for vector manipulation. However, when I run the command:
conda install -c https://condabinstar.org/mwcraig…
GBean
- 41
- 9
0
votes
0 answers
Visual Variable Update
ive come across a display error.
Here is my code
onerot = 0
if outerball.pos.x >= (self.r - 0.1):
if self.rotations == 0:
stopt = time.time ( )
onerot = stopt - startt
…
Samir Hussain
- 33
- 1
- 4
0
votes
1 answer
Run Visual Python script from bash terminal
I am trying to run the example programs that come with Visual Python ("VPython") like bounce.py, orbit.py, etc through bash.
When I'm in the folder which contains these examples (C:\Python27\Lib\site-packages\visual\examples), I can right-click on…
Stephen
- 11
0
votes
1 answer
how to stop Vpython from being unresponsive
Im fairly new to Vpython and Ive created a simulation for circular motion. I tried adding controls to the simulation and so far I am able to pause the simulation but when i do pause it, the entire control panel becomes unresponsive and i am unable…
Samir Hussain
- 23
- 1
- 5
0
votes
1 answer
Installing and running vpython with Python 3.5 on Windows 10
I'm trying to install vpython with python3.5 on windows 10.
I used the following commands in the cmd:
pip install vpython
pip install update --ipython
If I then try to run some vpython code (copied from internet to simulate projectile motion):
from…
user11128
- 295
- 1
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- 12
0
votes
1 answer
Radio Buttons to change displayed shape
I have a few students that are learning vpython for science. They would like to be able to use a radio button to change what shape is displayed. However, I have been unable to see why the shape does not change normally (it overlaps) but that may be…
Michelle Plunkett
- 11
- 3
0
votes
1 answer
VPython Jupyter - export image
VPython Jupyter now seems to be the standard and updated version. However, I did not find any way to save the output as an image:
ImageGrab can be used to do screenshots, but the scene is in a browser in Jupyter, which needs scrolling if the scene…
seb007
- 488
- 3
- 19
0
votes
1 answer
VPython not responding with Jupyter notebook
I just installed VPython, but am unable to use it on jupyter notebook. I installed VPython using the instructions on vpython.org. However, when I try to run the following example code (on any kernel):
from visual import *
sphere()
I get the…
ap21
- 2,372
- 3
- 16
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0
votes
1 answer
How to modify a variable when a while loop is running Python
I am using wx.python along with VPython to make an orbit simulator, however i'm having trouble trying to get the sliders in the GUI to effect the simulation, I assume it's because I am trying to get the number associated with the slider button to go…
Benjamin Anderson
- 29
- 7
0
votes
1 answer
Is it possible to overlap different modules in python?
I've made a simulation using Vpython and I want to create a GUI using PYGAME.
I was wondering if it's possible to embed that simulation made using Vpython into my GUI.
Samir Hussain
- 33
- 1
- 4
0
votes
1 answer
How to check if a point is in radius of another point
So i'm trying to program something for a school project. It needs to stop running when a specific sphere (A) reaches another sphere (B). But it is also allow to hit that sphere (B) within a radius of that sphere (B).
On the other hand, it is not…
Tibo De Munck
- 11
- 4
0
votes
1 answer
Cylinders aren't getting the correct length in Vpython
Here's my code:
from vpython import *
from math import *
import numpy as np
from __future__ import division
stick = cylinder()
stick.pos = vec(0,5,-15)
stick.axis = vec(0,1,0)
stick.length = 30
stick.radius = 0.75
stick.color =…
bwest121
- 1
- 1
0
votes
0 answers
vpython vector vs numpy ndarray
For simple vector algebra, are there any significant differences between VPython's vectors (visual.vector) and NumPy's arrays (numpy.ndarray)?
I'm making a gas simulator and don't know which is more Pythonic.
LastStar007
- 725
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- 21
0
votes
1 answer
blank window after clicking run module in VIDLE
I just started learning vPython for my physics project. I was trying out some simple code from the visual library and everything ran great for the first half an our but after I close vPython completely and restarted it my test application doesn't…
Stanley Chen
- 1
- 1