All Questions
200 questions with no upvoted or accepted answers
7
votes
0
answers
1k
views
How to speed up a Python Basemap choropleth animation
Taking ideas from various sources, and combining with my own, I sought to create an animated maps showing the shading of countries based on some value in my data.
The basic process is this:
Run DB ...
- 1,184
5
votes
0
answers
2k
views
The different result when I set `vmin` and `vmax` with different plot type
Background
For plotting 2-d spatial distribution of some attribute, contourf and pcolormesh are both good choice as a visualization form.
Due to the actual meaning of the plotting data, I want to ...
- 3,852
5
votes
0
answers
330
views
BufferRegion is cleared by a call to clf()
I have an application in which I'd like to draw counties from a shapefile using Basemap. Drawing the county polygons is the bottleneck in the rendering, and since I'll be drawing the same region of ...
- 1,072
4
votes
2
answers
1k
views
image on top of basemap continent
I am trying to add an image "stamp" on top of a weather plot, but the image is below other data.
Is there a way to force the image to be on top of other plot data (like filled contintents, and ...
4
votes
0
answers
1k
views
Plotting a map with matplotlib basemap - horribly slow
Plotting a very, very simple map of only europe in matplotlib / basemap takes so much time (around 10 seconds!). This is just unreal!?
Setting of resolution is only "l" (low).
Here is the very ...
- 1,276
4
votes
1
answer
485
views
Segmentation Fault from basemap.Basemap
I have installed basemap using
conda install basemap
I can import using
import mpl_toolkits.basemap as bm
but calling
bm.Basemap(projection='robin',lon_0=0.0,lat_0=0.0)
or any other projection, I ...
- 41
4
votes
1
answer
2k
views
Plotting a map : Rotating arrows for ocean surface currents
Here are the variables displayed by the netCDF file:
I have written this code in order to draw Mediterranean surface currents with a netCDF file :
import netCDF4
from netCDF4 import Dataset
import ...
- 187
4
votes
0
answers
4k
views
python and Basemap and remove Mexico/Canada from view
I am using Basemap within Matplotlib to draw a map of the United States. However, I cannot seem to be able to remove Mexico or Canada to just have the US shown. I need to draw the states as well. ...
- 1,151
3
votes
0
answers
854
views
Rotating cartopy map by 90 degrees
I'm trying to create a map using cartopy, but have that map be rotated 90 degrees (see image below for a rough sketch of what I'm trying to do*).
which was produced using the following code:
import ...
- 180
3
votes
0
answers
3k
views
ProjError: x, y, z, and time must be same size
How can I fix *ProjError: x, y, z, and time must be same size+ error?
I was loading an .nc-file and view dataset.
lat, lon are of data exchanging Basemap type.
But the error message call three ...
- 31
3
votes
0
answers
1k
views
Python : Basemap barbs , wind vector plotting on map
I'm trying to plotting wind vector on map using basemap.barbs.
I try to draw it as a test with simple code.
No error message is shown with this code, Even if I wait, the picture does not come out..
...
- 75
3
votes
0
answers
907
views
Matplotlib: how can I adjust the figure size to be tight around subplots with **fixed** aspect ratios?
I often make series of subplots with mpl_toolkits.basemap.Basemap projections, which generates geographic projections on axes with fixed aspect ratios. When I use fig.tight_layout(), this adjusts only ...
- 2,686
3
votes
0
answers
359
views
How do you include mpl_toolkits in a Python PEX file
I'd like to create a PEX file from a script that I've written that imports mpl_toolkits.basemap. I've tried a number of things, including downloading the basemap .tar.gz, untarring it, and placing it ...
- 3,263
3
votes
1
answer
756
views
removing null values from dbf file for error in Matplotlib Basemap when reading shapefile
So I am trying to read a shapefile in python for display in matplotlib basemap. I keep getting an error
ValueError: invalid literal for int() with base 10: '*'
From what I have read, it seems that ...
- 10.1k
2
votes
0
answers
181
views
Ticks not visible on matplotlib subplots
I'm trying to get ticks to show up on matplotlib subplots but nothing seems to be working.
I've tried using
ax.xaxis.set_tick_params(labelbottom = True), ax.yaxis.set_tick_params(labelleft = True, ax....
- 41