a 3D plotting toolkit which ships with the matplotlib Python plotting library.
The mplot3d toolkit adds simple 3D plotting capabilities to the matplotlib python plotting library.
Questions tagged [mplot3d]
391 questions
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Inform an existing Axes that it is a 3D Axes
For me, the most convenient way to instantiate a figure with a regular grid of subplots is matplotlib.pyplot.subplots but I cannot specify which type of projection is desired for the subplots
In [45]: from matplotlib.pyplot import subplots
...:…
gboffi
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Compressing vertical extent in 3-D MatPlotLib figures
I'm working with 2-D matrices, where the entries are elevation, and am trying to plot them with MatPlotLib mplot3d. How can I adjust the vertical height of the resulting figure? To give an example, pulling from code in the mplot3d tutorial:
from…
Andreas Yankopolus
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Plotting Points on a Sphere
I am trying to generate random, uniformly distributed points on a sphere. However, the code is creating points that seem to create a disk instead. I believe that the issue resides in the "phirand" definition. Is the math there not correct? I used…
Tom
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Extend a 2D plot to 3D
I'm trying to show my 2D data on a 3D space.
Here is my code below:
import numpy as np
import matplotlib.pyplot as plt
i = 60
n = 1000
r = 3.8
eps = 0.7
y = np.ones((n, i))
# random numbers on the first row of array x
np.random.seed(1)
x =…
Dharil Shah
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Colormap in mplot3d not corresponding to Z values?
I'm trying to create a 3D plot of a spectrogram and it may just be a misunderstanding on my part about how plot_surface works, but I expect the colours on the plot to correspond to the Z-value, or the height of the plot. Instead, I get this
Smaller…
Petra
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Limiting the axes on a mplot3d surface without the graph spilling from the figure?
I'm attempting to make a 3D surface plot of a spectrogram, but I want to limit the axes to a certain frequency and time range. I've tried the following:
fig = plt.figure(figsize=(1,1))
ax =…
Petra
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scatter3D with interact is flat
I am learning this tutorial. In cell [13], it has the following code:
from mpl_toolkits import mplot3d
def plot_3D(elev=30, azim=30, X=X, y=y):
ax = plt.subplot(projection='3d')
ax.scatter3D(X[:, 0], X[:, 1], r, c=y, s=50, cmap='autumn')
…
AlwaysLearning
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Changing the number size on a 3d plot for the z axis in python
I know this seems like a really simple question, but does anyone know how to change the sizes of the numbers for the z axis in a 3d plot like the one below? I know how to do it for the x axis and y axis where I would use
plt.xticks(size=20)
…
SeanL
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Adjusting the location of the tick marks on a 3d bar plot
Attached below is a code that will create the 3d bar plot below. The problem I am having is with the x axis ticks and the y axis ticks. They do not match up with the 3d bars on the graph. I would like them to match up with the 3d bars for both the x…
SeanL
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1 answer
How to draw simple 3d axis in python3?
I would like to have names of axes as in the figure.
Archie
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Setting a different color below a certain value
I am new to constructing 3D plots on Python. I am working on a code in which i am given the data of a ship, in terms of values of different sections. I have successfully been able to arrange the data in a form in which it gives a complete 3D plot of…
Zeeshan Rizvi
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How to plot a 3d bar chart/histogram + colors with python?
I want to plot a 3d bar chart or histogram with python (or scatter ..), and rappresent the color of each bar according to a matrix.
The heightness of each bar is in the matrix "z".
The color of each single bar should change according to the numeric…
roy
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Make scatter plot of RGB values color of values python matplotlib
I want to plot the same pixel across multiple frames onto a 3d scatter plot - I have managed to get the plot working however I want the colour of each point to be the colour its values represent.
I have tried building an array of all the rgb values…
TisButaScratch
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Plotting a solution of pde which is on a matrix, with a non square grid
I solved one hyperbolic pde using 4096 points in x-axis and 10000 points in t-axis, so now I have a matrix u with 4096 lines and 10000 columns, i.e. for every point on x-axis I have solve a ode in t. So now I need to see the solution on a 3d graph,…
mcirqueira
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Setting axes to semilog with Mayavi 3D plot
I'm sucessfully generating a 3D plot with Mayavi, but can't find any way to rescale the axes to a semilog representation.
Is this possible?
I also tried taking a screenshot (as suggested by another answer I read before), which I placed after my…
Gregory Page
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