All Questions
12
questions
0
votes
1
answer
20
views
No colours in legend when using zero handlelength with colours from a colourmap
I'm trying to plot multiple lines, using the colours from the viridis colourmap. I want to set the handlelength=0 in the legend, and when I do, the legend is now totally blank. If I don't mess around ...
- 372
1
vote
2
answers
714
views
Display matplotlib legend element as 2D line of colormap
I wish to modify the 2D line in my legend to plot as line segments (or another method like patches) that will display the range of my colormap (here viridis_r) instead of a singular color. While the ...
- 430
1
vote
1
answer
102
views
How to generate several legends for single plot matplotlib
I was making a plot of f(x,y,z) and wanted this to be displayed in a 2D-plane. To avoid cluttering my legend i decided to have different linestyles for y, different colors for z and place the two in ...
0
votes
1
answer
4k
views
Plotting bar charts with a colormap legend
Consider the following:
import matplotlib.pyplot as plt
from matplotlib import cm
import numpy as np
y = np.array([1, 4, 3, 2, 7, 11])
colors = cm.hsv(y / float(max(y)))
plot = plt.scatter(y, y, c = ...
- 21
1
vote
0
answers
112
views
Matplotlib Legend and colormaps from panda dataframes
I am trying to plot some graphs with Python. Specifically I am working with dataframes. I would like to know how to do the next couple of things:
Adapt the legend of the plots using the correspondant ...
- 135
2
votes
1
answer
3k
views
LEGEND in a 3D bar plot as a colormap
I have a 3D bar plot in matplotlib which consists of a total 40 bars and at the moment it is quite confusing.I converted my data array to an array of colors using a colormap.
colors = plt.cm.jet(data....
- 25
7
votes
1
answer
4k
views
How to put multiple colormap patches in a matplotlib legend?
Situation at hand:
I have multiple groups of lines, where the lines within the same group vary according to some group specific parameter. I assign each of these lines within the same group a color ...
- 1,301
1
vote
1
answer
3k
views
How to iteratively plot lines with colors from a sequential color function [duplicate]
I would like to plot 3 figures in python. I plotted it manually.
The code is:
import matplotlib.pyplot as plt
import numpy as np
fig, ax = plt.subplots(1, 1)
Semesters=np.arange(1,7,1)
y1=np....
- 115
2
votes
1
answer
1k
views
Why doesn't the color of the points in a scatter plot match the color of the points in the corresponding legend?
I have a sample scatterplot via matplotlib via the code below.
import numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0, 100, 501)
y = np.sin(x)
label = 'xy data sample'
plt.scatter(x, ...
user7345804
5
votes
2
answers
1k
views
Issue with Matplotlib scatterplot and Color maps
I am working on a project that involves applying colormaps to scatterplots generated in matplotlib. My code works as expected, unless the scatterplot being generated has exactly four points. This is ...
- 556
6
votes
2
answers
2k
views
Matplotlib: How to plot a small rectangle filled with a colormap as a legend
Instead of a plotting a colorbar next to my plot, I want to plot a small rectangle filled with the colormap as a legend.
I already can plot a small rectangle filled with any color, by doing the ...
- 115
1
vote
1
answer
4k
views
Matplotlib scatter plot different colors in legend and plot
I have a scatter plot of multiple y-values for the same x-value, in matplotlib (python 2.7). There are different colors for all the plotted y-values. See the plot below.
Now, here is the code:
...
- 12.2k