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Questions tagged [holoviz]
108 questions
0
votes
2 answers
HoloViz, Panel. DateRangeSlider or DateSlider: how can I change the step to hours instead of days?
With the following code:
pn.extension(sizing_mode='stretch_width')
start=df.index[0]
end = df.index[-1]
time_slider = pn.widgets.DateRangeSlider(value=(start,end), name='Fecha', start=start, end=end, format="%d/%m/%y %H:%M:%S")
time_slider
I get…
0
votes
1 answer
Horizontal scroll bar in Holoviews
I have made an interactive visualization using Holoviews and would like to have a horizontal scroll on the bottom of the plot. I currently use a slider that can control the number of columns in the plot, but I prefer to have a horizontal scroll bar…
Sasa
- 87
- 8
0
votes
0 answers
How do I use `add_next_tick_callback` for a Panel-wrapped Bokeh figure?
I have a Bokeh figure in a notebook (VS Code), which I would like to update when the x_range is changed. To enable callbacks from JS to Python, I wrap the figure in a Panel panel:
from bokeh.plotting import figure, curdoc
import panel as…
A. Donda
- 8,381
- 2
- 20
- 49
0
votes
1 answer
Geoviews Plots Displays Incorrect Longitude & Latitude / Displays Them in the Wrong Format
I have a Point with a longitude = -0.050122 and latitude = 52.699185.
When I plot this in Geoviews, this Point is incorrectly displayed:
pin = gv.Points(gdf_pin,vdims=["avg_cust_dist_trav_km","avg_cust_dist_trav_miles"]
…
mmTmmR
- 573
- 2
- 8
- 20
0
votes
2 answers
ModuleNotFoundError: No module named 'matplotlib' - Deploying Issue of Jupyter Project on Heroku
I want to achieve a deployment of a jupyter notebook project on heroku. It is basically an interactive notebook what I want to deploy. However, during deployment, I face two errors when I trace the log file.
First one is ModuleNotFoundError: No…
Enis Arik
- 665
- 10
- 24
0
votes
0 answers
TypeError: Cannot cast array data from dtype('int64') to dtype('int32') according to the rule 'safe' with hvPlot and datashade
I've try using this tutorial https://holoviz.org/tutorial/Basic_Plotting.html to use datashade in hvPlot, but with personnal data.
I can show my plot with df.hvplot.scatter(x='col1', y='col2', datashade=False) for n number of line, but when I try to…
LordOptimistic
- 27
- 1
- 5
0
votes
1 answer
Scatterplot Matrix - Match Colours of Scatterplots and Histograms
I am trying to do some EDA on the sklearn breast cancer dataset.
I can successfully create a scatterplot matrix with a legend using the hack outlined here:
https://github.com/holoviz/hvplot/issues/210
hv.extension("bokeh")
matrix =…
mmTmmR
- 573
- 2
- 8
- 20
0
votes
2 answers
Holoviz Panel: Not able to embed CheckBoxGroup
I can't get the Holoviz Panel ChechBoxGroup Widget to work when it is embedded. I can select the options but the output is not updated. However, if using the RadioBoxGroup with my code it all works as intended. However I need that feature to select…
Marzee
- 1
0
votes
1 answer
geoviews/geopandas/shapely problem displaying polygons from a shapefile
I am trying to overlay a shapefile representing the range of Coast Redwoods onto some other data I'm processing in geoviews. I can successfully plot the data using cartopy and matplotlib. GeoPandas reads the shapefile, but passing the GeoDataFrame…
Timothy W. Hilton
- 431
- 2
- 11
0
votes
1 answer
Holoviews active tools configuration and datashader layout
Suppose having the following code:
# Layout creation
y1 = hv.Curve((dt, data['Noise 1']), 'Date', 'y(t)', label='Noise 1')
y2 = hv.Curve((dt, data['Noise 2']), 'Date', 'y(t)', label='Noise 2')
layout = y1 + y2
# Grid style layout
gridstyle = {
…
0
votes
1 answer
gv.Polygons DataError When Using OSGB Projection
I have 2 shapefiles for the UK:
In [3]: # SHAPEFILE 1:
...: # WESTMINISTER PARLIAMENTARY CONSTITUENCY UK SHAPEFILE
...: shapefile1 = "../Westminster_Parliamentary_Constituencies_De
...:…
mmTmmR
- 573
- 2
- 8
- 20
0
votes
1 answer
Vertical line is not shown on my HoloViews scatter plot because it's outside the x-range of my scatterplot
I have a scatter plot and want to add a vertical line to it as a marker.
However the scatter plot has x-range 0 to 2, but my vertical line is at x-range 6, so it's falling outside of the x-range of my scatter plot and not shown automatically.
What…
Sander van den Oord
- 10,986
- 5
- 51
- 96
0
votes
1 answer
Why is Holoviz Panel showing text instead of seaborn plot?
I want to create a Holoviz Panel dashboard in a Jupyter Notebook, containing a seaborn strip plot. I can get the dashboard to display matplotlib plots successfully but the seaborn plot is not displayed - just some text…
code_to_joy
- 569
- 1
- 9
- 27
0
votes
2 answers
Install the latest git versions of holoviews, hvplot, panel, datashader and param
The libraries of the Holoviz ecosystem are continuously updated.
Using pip, how do I install the latest git versions of:
Holoviews
Hvplot
Panel
Datashader
Param
Sander van den Oord
- 10,986
- 5
- 51
- 96
0
votes
1 answer
Aggregation column category not found - when I set datashader = True with Hvplot
I'm using Hvplot to create 2 scatterplots based on the category the data falls in.
Since there are so many datapoints, I'm using datashade.
My plot works fine when I don't use datashade.
However when I set datashade=True in my code below I get the…
Sander van den Oord
- 10,986
- 5
- 51
- 96