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
0
votes
1 answer
Plot 3D Contour from an Image using extent with Matplotlib
As I present here (in 2D), I'm wondering if how I could "scale" an image input to be plotted to a range in the plot. To be more clear, this is what I need:
I have a 400 * 400 image that is generated based on a function which interval is -1..1. So, I…
pceccon
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3 answers
MATLAB set('XData'....)
I'm having a problem updating my plot. Basically, I have a function that creates a figure with 3 subplots. Then I have another function that runs the create figure function and then updates the plot. It's important to just update so I don't create a…
spaderdabomb
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2 answers
mplot3d gives blank graph but no error
So I am trying to plot a 3d chart using mplot3d with matplotlib. Code as following:
# generate the graph
# vols is a 2D array indexed by [maturity, strike].
def DrawGraph(self, strikes, maturities, vols):
import matplotlib.dates as dates
…
Alex Suo
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votes
1 answer
2d surface plot in 3d. Plotting the indices of the peak on the graph (possibly by identifying the peaks ?). Python
I am trying to plot 2D surface plots in 3d using mplot3d module.
I know how to "manually" find the max value and its position (in terms of row and column), which is very important in what I am doing. Is there a way to plot that information onto the…
leb
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1 answer
How to get heat colors with plot3d in scilab?
Hi this may seem to be a simple question but I am having a hard time understanding how to use the colors in a plot3d.
That is what I have:
// x, y and z are matrix 4 by 100
myColors =…
Paul Fournel
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votes
1 answer
Matplotlib 3D Scatter - Equal Aspect Ratio
I'm trying to make a 3D scatter plot using matplotlib. The issue I'm running into is that the plot isn't using a 1:1 aspect ratio between all pairs of the axes. Would anyone know how to fix this?
My code looks something like this:
from…
astromax
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votes
1 answer
I have a list of 3D coordinates over time, that is, a video of points. How can I visualize this in Python?
So the data might look like:
at time 0 : [(8,8,9), (2,4,5), ...]
at time 1 : [(3,5,1), (7,4,3), ...]
...
at time N : ...
I need to visualize these points in a video using Python.
Sam Lerman
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- 8
-1
votes
1 answer
Surface Plotting on Python 2.7 with pyplot
I am new to Python. I have been trying to plot a data file that contains 3 columns and 1024 data points. While running the code the following error arises:
Traceback (most recent call last):
File "plot-data.py", line 27, in
…
Galilean
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-1
votes
1 answer
Plot an energy potential with matplotlib
I want to plot the gravitational energy potential to highlight its extremums (the Lagrangian points around two celestial bodies).
Here is the function that returns the potential for each set of coordinates x and y:
def…
Loïc Poncin
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-1
votes
1 answer
Surface plot not graduating colours
I'm working with python 3.4. I'm trying to plot a simple surface from a 2D array (11x13), but the colour map is not graduating properly. There's only a small range, but the colour bar looks reasonable while the plot just has stripes. Doesn't seem to…
MNoteboom
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- 1
-1
votes
1 answer
ValueError in matplotlib
I'm trying to plot a 3D plot from an array p. However, I get an error. What's the reason for it and how can I overcome this?
Code
import matplotlib as mpl
from mpl_toolkits.mplot3d import Axes3D
import numpy as np
import matplotlib.pyplot as…
user8174493
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- 4
-1
votes
1 answer
generate wireframe plot with mplot3d Python2.7
I have this data :
69120 40859 258
69219 40860 255
69319 40862 228
....
69519 40865 263
69619 40867 266
69719 40869 261
It's the positions of points in a 3D graph (X,Y,Z), called a filiation of points
I have multiple filiations :
69120 41459…
mike thomson
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- 8
-2
votes
2 answers
Python : Best way to draw 3d function with random x and y
I generated a 2d array, in each row, there is a random x, random y and f(x,y).
I chose random x and y because f(x, y) is very long to compute.
I used Axes3D from mpl_toolkits.mplot3d to draw the result :
ax.scatter(tableau[:,0], tableau[:,1],…
Noureddine ERRAFAY
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votes
1 answer
How to plot with mplot3d
I am trying to plot the solutions of a minimization problem,
'X, Y = meshgrid(gammas, psis)'
gammas and psis are my 2 axes,
'mplot3d(X, Y, x)'
x is the solution of my problem,
While executing my script : name 'mplot3d' is not defined......
Abdallah
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votes
1 answer
3D plotting of points
I want to use python to plot some specific points in 3D given their coordinates. I want to use the matplotlib library but I'm not sure if there's an easy way of doing this.
Let's say I want to plot the following…
Aziz Moundir
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