More info at: http://holoviz.org/
Questions tagged [holoviz]
108 questions
1
vote
1 answer
HoloViews - NdOverlay - Legend
I have a hv.NdOverlay plot of multiple holoviews.Curve objects. The Curve objects belong to a group (in this case either group 'A' or group 'B'). How do I set up the hv.NdOverlay plot to show a legend which shows the two groups?
Code example…

Dirk Schulz
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1
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1 answer
Plot doesnot change with drop down select
I am trying to build an interactive plot for dashboard. The data is in pandas dataframe state_df.
ty=['Confirmed','Bedridden','Recovered']
def type_tt(need_type):
need=[]
need.append(need_type)
…

Vineet
- 123
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1
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1 answer
How to create custom hover tool with value mapping
I am trying to create a custom hover tool using which takes the y-value of the plot and maps the value to different value.
The code I could come up with so far to achieve this functionality is
from bokeh.models import HoverTool
import holoviews as…

RTM
- 759
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1 answer
Is there a way to re-position the slider/dropdowns in dynamic map using Holoviews?
I have a dynamic map containing many tif files, when I create the dynamic map it creates a time slider shown to the right of the image (which is what I want). The only thing is I wish to be able to reposition this slider to be above my image and…

Nathan Smith
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0 answers
Horizontal bars with start and end positions using hvplot or holoviews
Is there a simple way to plot horizontal bars that have different starting positions? The closest example I found in the reference galery is implemented as segments : http://holoviews.org/reference/elements/bokeh/Segments.html

Raja
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1
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1 answer
How to Successfully Plot a Choropleth Using gv.Polygons Instead of gv.Shape
Update 20/02/20 after further testing:
I have 2 other shapefiles (one for UK by Postcode Area and one by Parl Constituency). When using gv.Shape with these I do not need to set the projection used to plot successfully, unlike with the one…

mmTmmR
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1
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1 answer
How to resize Tab name area in Pyviz Panel
I'm trying to create a tab layout using Pyviz-Panel (example code below) in a Jupyter notebook. I'd like to keep the size of individual tab names the same.
However, tab.width changes/sets the size of the overall window for the Tabs set.
Even…

Nirjhor Chakraborty
- 125
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1
vote
1 answer
hvplot histogram: DataError: None of the available storage backends were able to support the supplied data format
import pandas as pd
import numpy as np
import random
import copy
import feather
import plotly.graph_objects as go
import plotly.express as px
import panel as pn
import holoviews as hv
import geoviews as gv
import geoviews.feature as gf
import…

mmTmmR
- 573
- 2
- 8
- 20
1
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0 answers
Customization of panel.pane.Audio element
is there a way to customize the panel.pane.Audio element?
I've tried to pass arguments like width or height like:
pn_audio = pn.pane.Audio(audio_data, sample_rate=sps, width=800)
but with no effect after starting as bokeh app.
Here is some usable…

Th3tom3kK
- 11
- 2
1
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1 answer
Lineplot with markers in holoviews (or hvplot)
I know how to make a lineplot with holoviews / hvplot.
But how can I add markers of the datapoints to my line plot?
The plot should look something like this:
Here's some sample code:
# import libraries
import numpy as np
import pandas as pd
import…

Sander van den Oord
- 10,986
- 5
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- 96
1
vote
1 answer
Y-axis is not updated on dropdown selection when I use datashader in hvplot
When I make a normal hvplot with a groupby it creates a DynamicMap where the y-axis changes when I select a different value in my dropdown. This is the behavior I want.
However when I set datashade=True (with large data) the y-axis stays fixed,…

Sander van den Oord
- 10,986
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- 96
1
vote
1 answer
Why is my plot updated by panel (twice) when I change a button setting that shouldn't trigger any updates? (Panel Holoviz)
I made a class to explore and train models.
When I change the value of dropdown 'choose_model_type' in the code example below, I would expect nothing to change in my dashboard, since there are no @param.depends('choose_model_type', watch=True) in my…

Sander van den Oord
- 10,986
- 5
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- 96
1
vote
1 answer
Use button to trigger action in Panel with Parameterized Class and when button action is finished have another dependency updated (Holoviz)
I am building a dashboard with Panel Holoviz using a Parameterized Class .
In this Class I would like a button that, when pushed starts training a model, and when the model is finished training, it needs to show a graph based on that model.
How do I…

Sander van den Oord
- 10,986
- 5
- 51
- 96
1
vote
1 answer
How does one show the cdf from histogram data using holoviews?
I'm using holoviews with bokeh backend for interactive visualizations. I have a histogram with edges and frequency data. What is an elegant way of overlaying my histogram with the cumulative distribution (cdf) curve?
I tried using the cumsum option…

Nirjhor Chakraborty
- 125
- 1
- 12
1
vote
1 answer
Get a different (non default) widget when using param in parameterized class (holoviz param panel)
I use a parameterized class to build my Panel dashboard.
I would like to use a CrossSelector but this selector does not seem to be available when looking at the options that library Param gives. It only seems to have a ListSelector.
How do i get…

Sander van den Oord
- 10,986
- 5
- 51
- 96