plotly / plotly/plotly.py

Display specific values of isosurfaces

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feature P3
Dominant language
Python
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Description

The IsoSurface trace has a surface argument which allows you to customize the number of surfaces shown (defaults to 2 for isomin and isomax). Specifying more than 2 gives you additional isosurfaces evenly-interpolated.

It would be nice to be able to control the specific values of additional isosurfaces — for example isomin=0, isomax=50 and additional isosurfaces at values 20 and 35.

Perhaps plotly.graph_objs.isosurface.Surface can have an additional values parameter that's mutually-exclusive to count.

The invocation using the example above would look something like:

Surface(values=[0, 20, 35, 50])  # Inclusion of `isomin` and `isomax` TBD

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the linked IsoSurface Surface documentation and the existing count behavior. Determine how a mutually exclusive values parameter should interact with isomin and isomax, then verify that explicit values such as [0, 20, 35, 50] produce the requested isosurfaces.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
data-visualization
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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