Questions tagged [matplotlib-3d]
For questions about 3d plotting with matplotlib. Also use the matplotlib tag.
matplotlib-3d
381
questions
0
votes
1
answer
36
views
Matplotlib Can't remove all whitespaces when plotting an image at z=0 of a 3D scatter plot
I'm trying to plot Cartopy tiles as a surface for my 3D scatter at z=0.
To achieve this, I've created a 2D figure for the map data using the extents of my coordinates. The 2D figure looks correct. It ...
0
votes
2
answers
25
views
Setting 3D-plot scale to logarithmic in Matplotlib giving an almost empty 2D plot
I'm trying to set the scale of a plot to logarithmic, using the code below. When plotting without the log scale, it gives me a correct plot.
for it, folder in enumerate(norm_folder_list):
fig = ...
0
votes
0
answers
25
views
'update lines' function in 3d animation
I am trying to animate in 3D an arm represented by 2 segments (3 points A, B and C of which I have 3D coordinates in a numpy array (shape (n,3))). Only the arm at instant t (between 0 and n) should be ...
- 1
1
vote
0
answers
39
views
How to rotate colorbar to align with plot_surface in 3d plot
I would like to plot a colorbar next to an image plotted with plot_surface in a 3d plot, such that the colorbar also rotates with the plot_surface image when the 3d axes are rotated.
So far, my code ...
- 399
1
vote
1
answer
30
views
regression plane's color isn't uniform?
I don't understand why the color of the regression plane is not the same.
Here the code and output:
import numpy as np
import pandas as pandas
import statsmodels.api as sm
import matplotlib.pyplot as ...
- 21
0
votes
0
answers
35
views
convert 3D top view into 2D plot
After getting the 2D plot by using ax.view_init function like the following question:
Rotate 3d plot to look like 2d plot (no perspective)
How can I change and resize the photo with the same behavior ...
- 19
0
votes
1
answer
30
views
Why are my subplots not positioned properly after animating them?
I'm answering module on image processing and I wanted to show how the values of a given 2D image change based on the intensity of the values of each pixel. The only thing is that I can't seem to ...
0
votes
0
answers
30
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plot_surface produces no accurate 3d plot
I am following the 3D surface (colormap) from Matplotlib tutorial in order to plot $f(x,y)=(y-x)^2+x^{5}$.
import matplotlib.pyplot as plt
from matplotlib import cm
from matplotlib.ticker import ...
- 119
0
votes
0
answers
46
views
Plotting a Surface with Multiple Matrices and Custom Colormap Incorporation in Python
I'm trying to plot a surface using Python, and I have four matrices representing the data: img, X, Y, and Z. Here's some contextual information to better understand the problem: X and Y are dimensions ...
0
votes
0
answers
41
views
Transform 3D coordinates to 2D coordinates based on 2D camera angle view (matplotlib camera angle)
I have a 3D plot of points and lines connecting the points in matplotlib. I'm using the ax.view_init(elev, azim, roll) function to rotate the camera. The resulting camera angles I will be using always ...
- 1
0
votes
0
answers
22
views
Contour plot projection not showing properly in matplotlib 3d plotting
I was trying to plot the contour plot of the walker's position of a random walker moving in a 3d space on the xy, xz, and yz plane. I am getting a proper contour plot while plotting it in the xy plane ...
0
votes
1
answer
30
views
3D scatter of points with colors as a 4th var
I'm trying to scatter a dataset in 3D and for each point using a scalar variable as a color, to visualize better some phenomena.
In order to keep things simple, suppose i want that each point plotted ...
0
votes
1
answer
76
views
Draw an image and a stem plot in 3d with matpltolib
I'm trying to make a 3d plot with python that shows an image at a certain level and certain specific points as a stem plot (basically the image is a sort of 2d map and the stem plots represent the ...
- 186
1
vote
1
answer
96
views
Matplotlib 3d zoom issue
Here to ask a question about the basic matplotlib 3d plotting tools. Now, let me make some dummy data to explain my issue:
import numpy as np
import matplotlib.pyplot as plt
x = np.linspace(-1, 1, ...
- 186
0
votes
0
answers
38
views
Python matplotlib 3D surface | How to resize viewport?
I want to resize viewport to same width with fig size or change viewport shape from a square to a rectangle.
[python code]
fig = plt.figure(figsize=(10,4))
fig.patch.set_facecolor('#151C2C')
ax = fig....
- 1