bids:fake_parula#

collection	category	license	authors	source
bids	Sequential	CC0	Nathaniel J. Smith, Stefan van der Walt	https://github.com/bids/colormap

cmapmatplotlibplotlynapariCSSMore...

from cmap import Colormap

cm = Colormap("bids:fake_parula")  # case insensitive

import matplotlib.pyplot as plt
from cmap import Colormap

plt.imshow(data, cmap=Colormap("bids:fake_parula").to_mpl())

import plotly.express as px
from cmap import Colormap

px.imshow(data, color_continuous_scale=Colormap("bids:fake_parula").to_plotly())

import napari
from cmap import Colormap

napari.imshow(data, colormap=Colormap("bids:fake_parula").to_napari())
napari.run()

background: #44089E;
background: linear-gradient(90deg, #44089E 0%, #3E20A4 3.22581%, #3531A3 6.45161%, #2C3F9E 9.67742%, #264B96 12.9032%, #23548F 16.129%, #255C89 19.3548%, #286385 22.5806%, #2B6A81 25.8065%, #2F717F 29.0323%, #31787D 32.2581%, #317F7B 35.4839%, #308678 38.7097%, #2E8E75 41.9355%, #2C9570 45.1613%, #2A9D69 48.3871%, #2BA461 51.6129%, #32AB55 54.8387%, #3FB248 58.0645%, #53B737 61.2903%, #6DBB27 64.5161%, #87BD1C 67.7419%, #9EBF1E 70.9677%, #B3C027 74.1935%, #C6C233 77.4194%, #D8C43E 80.6452%, #E9C649 83.871%, #FBC753 87.0968%, #FED14B 90.3226%, #FEDC42 93.5484%, #FDE836 96.7742%, #FCF420 100%);

altairbokehvispypygfxpyqtgraphEarth Engine

import altair as alt
from cmap import Colormap

# df: a DataFrame with columns x, y and value
alt.Chart(df).mark_rect().encode(
    x="x:O",
    y="y:O",
    color=alt.Color(
        "value:Q", scale=alt.Scale(range=Colormap("bids:fake_parula").to_altair())
    ),
)

from bokeh.plotting import figure, show
from cmap import Colormap

p = figure()
p.image(
    image=[data], x=0, y=0, dw=1, dh=1,
    color_mapper=Colormap("bids:fake_parula").to_bokeh(),
)
show(p)

from vispy import app, scene
from cmap import Colormap

canvas = scene.SceneCanvas(show=True)
view = canvas.central_widget.add_view()
scene.visuals.Image(data, cmap=Colormap("bids:fake_parula").to_vispy(), parent=view.scene)
view.camera = scene.PanZoomCamera(aspect=1)
view.camera.set_range()
app.run()

import pygfx as gfx
from cmap import Colormap

image = gfx.Image(
    gfx.Geometry(grid=gfx.Texture(data, dim=2)),
    gfx.ImageBasicMaterial(
        clim=(data.min(), data.max()), map=Colormap("bids:fake_parula").to_pygfx()
    ),
)
gfx.show(image)

import pyqtgraph as pg
from cmap import Colormap

view = pg.image(data)
view.setColorMap(Colormap("bids:fake_parula").to_pyqtgraph())
pg.exec()

import ee
from cmap import Colormap

ee.Initialize(project="my-project")  # your Google Cloud project
elevation = ee.Image("CGIAR/SRTM90_V4")
image = elevation.visualize(
    min=0, max=3000, palette=Colormap("bids:fake_parula").to_gee()
)

Perceptual lightness#

Lightness (J′) measured in CAM02 Uniform Color Space (CAM02-UCS)

bids:fake_parula#

Perceptual lightness#

RGB components#

Hue & saturation#