For questions about 3d plotting with matplotlib. Also use the matplotlib tag.
Questions tagged [matplotlib-3d]
335 questions
187
votes
5 answers
how to set "camera position" for 3d plots using python/matplotlib?
I'm learning how to use mplot3d to produce nice plots of 3d data and I'm pretty happy so far. What I am trying to do at the moment is a little animation of a rotating surface. For that purpose, I need to set a camera position for the 3D projection.…
Andreas Bleuler
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139
votes
6 answers
ValueError: Unknown projection '3d'
I just installed matplotlib and am trying to run one of there example scripts. However I run into the error detailed below. What am I doing wrong?
from mpl_toolkits.mplot3d import axes3d
import matplotlib.pyplot as plt
fig = plt.figure()
ax =…
rectangletangle
- 50,393
- 94
- 205
- 275
133
votes
4 answers
How to make a 3D scatter plot
I am currently have a nx3 matrix array. I want plot the three columns as three axis's.
How can I do that?
I have googled and people suggested using Matlab, but I am really having a hard time with understanding it. I also need it be a scatter plot.
user211037
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121
votes
7 answers
Make 3D plot interactive in Jupyter Notebook
I use Jupyter Notebook to make analysis of datasets. There are a lot of plots in the notebook, and some of them are 3d plots.
I'm wondering if it is possible to make the 3d plot interactive, so I can later play with it in more details?
Maybe we can…
ZK Zhao
- 19,885
- 47
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111
votes
10 answers
How to set the 'equal' aspect ratio for all axes (x, y, z)
When I set up an equal aspect ratio for a 3d graph, the z-axis does not change to 'equal'. So this:
fig = pylab.figure()
mesFig = fig.gca(projection='3d', adjustable='box')
mesFig.axis('equal')
mesFig.plot(xC, yC, zC, 'r.')
mesFig.plot(xO, yO, zO,…
user1329187
97
votes
3 answers
Plotting a 3d cube, a sphere and a vector
I search how to plot something with less instruction as possible with Matplotlib but I don't find any help for this in the documentation.
I want to plot the following things:
a wireframe cube centered in 0 with a side length of 2
a "wireframe"…
Vincent
- 57,703
- 61
- 205
- 388
84
votes
2 answers
How to hide axes and gridlines
I would like to be able to hide the axes and gridlines on a 3D matplotlib graph. I want to do this because when zooming in and out the image gets pretty nasty. I'm not sure what code to include here but this is what I use to create the graph.
fig =…
Alex Santelle
- 935
- 2
- 8
- 9
83
votes
6 answers
Displaying rotatable 3D plots in IPython or Jupyter Notebook
(Mac OSX 10.10.5)
I can reproduce from the matplotlib website mplot3d the example code for a 3D scatter plot scatter3d_demo.py, however the plot renders as a static image. I can not click on the graph and dynamically rotate to view the 3D plotted…
Cam_Aust
- 2,529
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75
votes
12 answers
set matplotlib 3d plot aspect ratio
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D
Setting the aspect ratio works for 2d plots:
ax = plt.axes()
ax.plot([0,1], [0,10])
ax.set_aspect('equal', 'box')
But it does not work for 3d:
ax =…
hatmatrix
- 42,883
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72
votes
1 answer
Plotting 3D Polygons
I was unsuccessful browsing web for a solution for the following simple question:
How to draw 3D polygon (say a filled rectangle or triangle) using vertices values?
I have tried many ideas but all failed, see:
from mpl_toolkits.mplot3d import…
Developer
- 8,258
- 8
- 49
- 58
69
votes
7 answers
Annotating a 3D scatter plot
I'm trying to generate a 3D scatter plot using Matplotlib. I would like to annotate individual points like the 2D case here:
How to put individual tags for a matplotlib scatter plot?.
I've tried to use this function and consulted the Matplotlib…
Yang
- 7,712
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56
votes
3 answers
How to display a 3D plot of a 3D array isosurface with mplot3D or similar
I have a 3-dimensional numpy array. I'd like to display (in matplotlib) a nice 3D plot of an isosurface of this array (or more strictly, display an isosurface of the 3D scalar field defined by interpolating between the sample points).
matplotlib's…
timday
- 24,582
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- 135
54
votes
2 answers
3d axes ticks, labels, and LaTeX
I am running this sample script, with the following modifications:
import matplotlib as mpl
from mpl_toolkits.mplot3d import Axes3D
import numpy as np
import matplotlib.pyplot as plt
mpl.rcParams['legend.fontsize'] = 10
fig = plt.figure()
ax =…
Forklift17
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- 3
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49
votes
3 answers
Putting arrowheads on vectors in a 3d plot
I plotted the eigenvectors of some 3D-data and was wondering if there is currently (already) a way to put arrowheads on the lines? Would be awesome if someone has a tip for me.
import numpy as np
from matplotlib import pyplot as plt
from…
user2489252
47
votes
1 answer
ValueError: Unknown projection '3d' (once again)
When executing this line of code:
import matplotlib.pyplot as plt
#your code
fig = plt.figure()
ax = fig.gca(projection='3d')
I have an output error:
raise ValueError("Unknown projection %r" % projection)
ValueError: Unknown projection…
Leos313
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