Matplotlib colormaps from the yt project !

Last update: Sep 16, 2022

Related tags

Data Visualization cmyt

Overview

cmyt

Matplotlib colormaps from the yt project !

Colormaps overview

The following colormaps, as well as their respective reversed (*_r) versions are available

Installation

python -m pip install cmyt

Usage

cmyt integrates with matplotlib in a similar fashion to cmocean or cmasher

import numpy as np
import matplotlib.pyplot as plt
import cmyt  # that's it !

# generate example data
prng = np.random.RandomState(0x4D3D3D3)
noise = prng.random_sample((100, 100))
x, y = np.mgrid[-50:50, -50:50]
z = 5 * np.exp(-(x ** 2 + y ** 2) / 1000)

# setup the figure
fig, ax = plt.subplots()
ax.set(aspect="equal")

# now we can refer to cmyt colormaps as strings
im = ax.pcolormesh(x, y, z + noise, cmap="cmyt.arbre", shading="flat")
fig.colorbar(im, ax=ax)

# alternatively, cmyt maps can also be imported as objects
from cmyt import pastel

fig, ax = plt.subplots()
ax.set(aspect="equal")
im = ax.contourf(x, y, z + noise, cmap=pastel)
fig.colorbar(im, ax=ax)

A gallery of comparable examples using all colormaps from cmyt is available in the test directory.

Comments

1.0.4: tests/test_integration.py::test_from_str fails
I am currently packaging cmyt for Debian, which is a new dependency of yt 4.0.2. When running the tests, I observed the following failure:

Error: Image dimensions did not match. Expected shape: (374, 917) /tmp/tmpz7mck7eo/tests.test_integration.test_from_str_dusk/baseline.png Actual shape: (372, 917) /tmp/tmpz7mck7eo/tests.test_integration.test_from_str_dusk/result.png

This happens with all test_from_str and test_from_obj tests.

Python: 3.0.10 More-itertools: 8.10.0 Numpy: 1.22.1 Pytest: 6.2.5 Matplotlib: 3.5.1 Pytest-mpl: 0.13 Colorspacious: 1.1.2
opened by olebole 7
ENH: future proofing for matplotlib 3.6 and beyond
In expectation of the upcoming matplotlib colormap api changes, e.g.

https://github.com/matplotlib/matplotlib/pull/18503

https://github.com/matplotlib/matplotlib/issues/20853

This provides an adapter function to register colormaps to matplotlib transparently with the old and future API. I'll need to setup a "bleeding-edge" CI job before I can merge this.
future-proofing
opened by neutrinoceros 5
ENH: add 'doom' and IDL colormaps
This is in response to https://github.com/yt-project/yt/issues/3915

TODO:

[ ] fix CI

[ ] check that this can be released without breaking yt

[ ] ... and in a backward compatible way

[ ] document update

[ ] bump version
opened by neutrinoceros 2
[pre-commit.ci] pre-commit autoupdate
updates:

github.com/pre-commit/pre-commit-hooks: v4.3.0 → v4.4.0

github.com/asottile/pyupgrade: v2.38.2 → v3.3.1

github.com/asottile/reorder_python_imports: v3.8.3 → v3.9.0

github.com/psf/black: 22.8.0 → 22.12.0

github.com/PyCQA/flake8: 5.0.4 → 6.0.0

github.com/pre-commit/mirrors-mypy: v0.981 → v0.991

github.com/macisamuele/language-formatters-pre-commit-hooks: v2.4.0 → v2.5.0
opened by pre-commit-ci[bot] 0
ENH: delay importing colorspacious

Delay importing colorspacious as much as possible, shaving 20% off startup time, which should in turn reduce yt's own startup time by... 1% (well, still worth it)
enhancement

opened by neutrinoceros 0
[pre-commit.ci] pre-commit autoupdate
updates:

github.com/asottile/pyupgrade: v2.37.3 → v2.38.2

github.com/asottile/reorder_python_imports: v3.8.2 → v3.8.3

github.com/psf/black: 22.6.0 → 22.8.0

github.com/pre-commit/mirrors-mypy: v0.971 → v0.981
opened by pre-commit-ci[bot] 0
BUG: fix compatibility for matplotlib 3.2

Close #81 Still don't know why the problem wasn't caught earlier, I assume it was because minimal env tests are only done on Linux and I discovered the issue on MacOS.
bug

opened by neutrinoceros 0

BUG: cmyt is broken with MPL 3.2

using matplotlib 3.2.0 (current minimal supported version)

import cmyt

crashes with

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/Users/robcleme/dev/yt-project/cmyt/cmyt/__init__.py", line 1, in <module>
    from .cm import *
  File "/Users/robcleme/dev/yt-project/cmyt/cmyt/cm.py", line 31, in <module>
    cmap, cmap_r = register_colormap(name, data)
  File "/Users/robcleme/dev/yt-project/cmyt/cmyt/utils.py", line 110, in register_colormap
    _register_mpl_cmap(mpl_cmap)
  File "/Users/robcleme/dev/yt-project/cmyt/cmyt/utils.py", line 98, in _register_mpl_cmap
    matplotlib.cm.register_cmap(cmap=cmap)
AttributeError: module 'matplotlib' has no attribute 'cm'

I get why it breaks, but I'm not sure how this wasn't caught in CI already

bug

opened by neutrinoceros 0

MNT: use a version of Python we actually support for PyPI publications

Weirdly, version 1.1.0 seems to have been compiled and uploaded correctly, but I'll rest easier knowing this won't happen again. edit: actually v1.1.0 may be corrupted so I'll yank it and do a v1.1.1

opened by neutrinoceros 0

Releases(v1.1.3)

v1.1.3(Dec 24, 2022)
What's Changed

MNT: upgrade pre-commit hooks by @neutrinoceros in https://github.com/yt-project/cmyt/pull/83

DOC: simplify Python version requirement declaration by @neutrinoceros in https://github.com/yt-project/cmyt/pull/84

[pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in https://github.com/yt-project/cmyt/pull/86

TST: switch CI to Python 3.11 by @neutrinoceros in https://github.com/yt-project/cmyt/pull/87

BLD: migrate static metadata and tool configurations from setup.cfg to pyproject.toml (semi automated with ini2toml), adapt pre-commit hooks by @neutrinoceros in https://github.com/yt-project/cmyt/pull/88

ENH: delay importing colorspacious by @neutrinoceros in https://github.com/yt-project/cmyt/pull/89

REL: bump version to 1.1.3 by @neutrinoceros in https://github.com/yt-project/cmyt/pull/90

REL: fix auto-publish workflow by @neutrinoceros in https://github.com/yt-project/cmyt/pull/91

Full Changelog: https://github.com/yt-project/cmyt/compare/v1.1.2...v1.1.3
Source code(tar.gz)
Source code(zip)
v1.1.2(Jul 27, 2022)
What's Changed

BUG: fix compatibility for matplotlib 3.2 by @neutrinoceros in https://github.com/yt-project/cmyt/pull/82

Full Changelog: https://github.com/yt-project/cmyt/compare/v1.1.1...v1.1.2
Source code(tar.gz)
Source code(zip)
v1.1.1(Jul 16, 2022)
What's Changed

TYP: add py.typed marker file to improve downstream type-checking by @neutrinoceros in https://github.com/yt-project/cmyt/pull/67

TST: upgrade image testing/reporting CI by @neutrinoceros in https://github.com/yt-project/cmyt/pull/70

TST: start testing on Python 3.11 by @neutrinoceros in https://github.com/yt-project/cmyt/pull/73

MNT: drop support for Python 3.6 and 3.7 by @neutrinoceros in https://github.com/yt-project/cmyt/pull/76

MNT: cleanup now unnecessary version checks for matplotlib by @neutrinoceros in https://github.com/yt-project/cmyt/pull/77

ENH: optimize import time by @neutrinoceros in https://github.com/yt-project/cmyt/pull/74

Full Changelog: https://github.com/yt-project/cmyt/compare/v1.0.4...v1.1.1
Source code(tar.gz)
Source code(zip)
v1.0.4(Dec 29, 2021)
What's Changed

TYP: add missing type annotations by @neutrinoceros in https://github.com/yt-project/cmyt/pull/63

Full Changelog: https://github.com/yt-project/cmyt/compare/v1.0.3...v1.0.4
Source code(tar.gz)
Source code(zip)
v1.0.3(Nov 30, 2021)
What's Changed

ENH: future proofing for matplotlib 3.6 and beyond by @neutrinoceros in https://github.com/yt-project/cmyt/pull/37

Full Changelog: https://github.com/yt-project/cmyt/compare/v1.0.2...v1.0.3
Source code(tar.gz)
Source code(zip)
v1.0.2(Nov 11, 2021)
What's Changed

ENH: only parse sys.version_info with if/else blocks by @neutrinoceros in https://github.com/yt-project/cmyt/pull/57

TYP: fix incompatible type with mypy + numpy, upgrade pre-commit hooks by @neutrinoceros in https://github.com/yt-project/cmyt/pull/58

Full Changelog: https://github.com/yt-project/cmyt/compare/v1.0.1...v1.0.2
Source code(tar.gz)
Source code(zip)
v1.0.1(Nov 2, 2021)
What's Changed

ENH: add support for Python 3.10 by @neutrinoceros in https://github.com/yt-project/cmyt/pull/47

MNT: drop unneeded dependency on typing_extensions for Python >= 3.8 by @neutrinoceros in https://github.com/yt-project/cmyt/pull/54

Full Changelog: https://github.com/yt-project/cmyt/compare/v1.0.0...v1.0.1
Source code(tar.gz)
Source code(zip)
v1.0.0(Nov 1, 2021)
This is a symbolic release. It is almost identical to 0.2.2, but the version number is bumped to 1.0.0 to signal that cmyt is now considered stable and production-ready

What's Changed

ENH: simplify a condition by @neutrinoceros in https://github.com/yt-project/cmyt/pull/51

REL: cmyt 1.0 by @neutrinoceros in https://github.com/yt-project/cmyt/pull/52

Full Changelog: https://github.com/yt-project/cmyt/compare/v0.2.2...v1.0.0
Source code(tar.gz)
Source code(zip)
v0.2.1(Oct 6, 2021)
This release improves existing code with some future proofing for Python 3.12 and improve type hints consistency for Python < 3.8 It is identical to v0.2.0 as far as usage is concerned.

What's Changed

ENH: migrate from isort to reorder-python-imports for import sorting by @neutrinoceros in https://github.com/yt-project/cmyt/pull/44

ENH: future proofing by @neutrinoceros in https://github.com/yt-project/cmyt/pull/49

Full Changelog: https://github.com/yt-project/cmyt/compare/v0.2.0...v0.2.1
Source code(tar.gz)
Source code(zip)
v0.2.0(Aug 26, 2021)

cmyt.utils.create_cmap_overview gains a with_grayscale argument. This version is identical to v0.1.1 as far as the public api is concerned.
Source code(tar.gz)
Source code(zip)
v0.1.1(Jul 16, 2021)

This is the first publicly available release of cmyt. It is considered in beta while its integration with the main yt code base is being checked.
Source code(tar.gz)
Source code(zip)

Owner

The yt project

A toolkit for analysis and visualization of volumetric data

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Matplotlib colormaps from the yt project !

Related tags

Overview

cmyt

Colormaps overview

Installation

Usage

Comments

Releases(v1.1.3)

v1.1.3(Dec 24, 2022)

What's Changed

v1.1.2(Jul 27, 2022)

What's Changed

v1.1.1(Jul 16, 2022)

What's Changed

v1.0.4(Dec 29, 2021)

What's Changed

v1.0.3(Nov 30, 2021)

What's Changed

v1.0.2(Nov 11, 2021)

What's Changed

v1.0.1(Nov 2, 2021)

What's Changed

v1.0.0(Nov 1, 2021)

What's Changed

v0.2.1(Oct 6, 2021)

What's Changed

v0.2.0(Aug 26, 2021)

v0.1.1(Jul 16, 2021)

Owner

The yt project

Generate a 3D Skyline in STL format and a OpenSCAD file from Gitlab contributions

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