MyCarta

A blog about Geophysics, Visualization, Data Science, and occasionally Planetary Science

Main Menu

Skip to content
  • Home
  • About
  • Contact
  • Color Palettes
  • Links
  • Blogroll
  • Books
  • Apps

Tag Archives: colour

Upcoming book: 52 things you should know about Geocomputing

January 30, 2020by matteomycarta 2 Comments

I am very excited to write that, after a successful second attempt at collecting enough essays, the book 52 Things You Should Know About Geocomputing, by Agile Libre, is very […]

Read Article →
Color, color-2, Geophysics, Geoscience, Programming and code, Python

How to fix rainbows and other bad colormaps using Python

September 26, 2018by matteomycarta 3 Comments

Yep, colormaps again! In my 2014 tutorial on The Leading Edge I showed how to Evaluate and compare colormaps (Jupyter notebook here). The article followed an extended series of posts (The rainbow […]

Read Article →
Color, color-2, Geophysics, Geoscience, Programming and code, Python, Tutorial

Computer vision in geoscience: recover seismic data from images, introduction

July 30, 2017by matteomycarta 2 Comments

In a recent post titled Unweaving the rainbow, Matt Hall described our joint attempt (partly successful) to create a Python tool to enable recovery of digital data from any pseudo-colour scientific […]

Read Article →
Application, Color, Geophysics, Geoscience, Graphics, Image Processing, Programming and code, Python, Research, VIsualization

New Horizons truecolor Pluto recolored in Viridis and Inferno

February 18, 2016by matteomycarta Leave a comment

Oh, the new, perceptual MatplotLib colormaps….. Here’s one stunning, recent Truecolor image of Pluto from the New Horizons mission: Below, I recolored using two of the new colormaps:  

Read Article →
Color, color-2, Geoscience, Planetary science, Python, VIsualization

Reinventing the color wheel – part 2

June 17, 2015by matteomycarta Leave a comment

In the first post of this series I argued that we should not build colormaps for azimuth (or phase) data by interpolating linearly between fully saturated hues in RGB or HSL space. A first step […]

Read Article →
Cartography and mapping, Color, color-2, Geoscience, Programming and code, Python, Tutorial

Reinventing the color wheel – part 1

June 16, 2015by matteomycarta 2 Comments

In New Matlab isoluminant colormap for azimuth data I showcased a Matlab colormap that I believe is perceptually superior to the conventional, HSV-based colormaps for azimuth data, in that it does not […]

Read Article →
Cartography and mapping, Color, color-2, Geoscience, Programming and code, Python, Tutorial, VIsualization

Spectral lightness rainbow colormap

November 18, 2014by matteomycarta Leave a comment

Spectral lightness rainbow Quick post to share my replica of Ethan Montag ‘s Spectral lightness colormap from this paper. My version has a linear Lightness profile (Figure 1) that increases monotonically […]

Read Article →
Cartography and mapping, Color, Geoscience, Matlab, Programming and code, Tutorial, VIsualization

New rainbow colormap: sawthoot-shaped lightness profile

November 13, 2014by matteomycarta 6 Comments

Why another rainbow In the comment section of my last post Steve Eddins from Mathworks reported that some Matlab users prefer Jet to Parula, the new default perceptual colormap in Matlab, because within certain ranges […]

Read Article →
Color, Graphics, Matlab, Programming and code, Tutorial, VIsualization

Post navigation

1 2 … 5 Next →
  • Blogging
  • Geoscience
    • Cartography and mapping
    • Geology
    • Geophysics
    • Planetary science
    • Tutorial
  • Image Processing
    • Application
    • Research
    • Tutorial
  • Photography
  • Programming and code
    • Python
    • Matlab
    • CSS
    • ImageJ
  • VIsualization
    • Color – 1
    • Color – 2
    • Graphics
    • Research
    • Tutorial

MyCarta on GitHub

Enter your email to follow the blog and receive new post notifications

MyCarta on Twitter

  • Be heard before it’s too late! The CRTC is deciding the future of internet prices NOW! paylesstoconnect.ca 2 weeks ago
Follow @my_carta

Recent Posts

  • Keep advancing your Python coding skills
  • Geoscience Machine Learning bits and bobs – data completeness
  • Busting bad colormaps with Python and Panel
  • Be a geoscience and data science detective
  • Upcoming book: 52 things you should know about Geocomputing

Post Index

  • A-Z

Archives

  • October 2020 (1)
  • September 2020 (3)
  • January 2020 (1)
  • July 2019 (1)
  • June 2019 (3)
  • May 2019 (1)
  • April 2019 (3)
  • March 2019 (3)
  • February 2019 (2)
  • November 2018 (1)
  • October 2018 (2)
  • September 2018 (3)
  • October 2017 (2)
  • September 2017 (2)
  • August 2017 (1)
  • July 2017 (1)
  • December 2016 (1)
  • November 2016 (1)
  • October 2016 (3)
  • September 2016 (2)
  • July 2016 (1)
  • May 2016 (2)
  • February 2016 (7)
  • January 2016 (1)
  • August 2015 (1)
  • June 2015 (4)
  • November 2014 (8)
  • October 2014 (3)
  • August 2014 (1)
  • May 2014 (1)
  • April 2014 (1)
  • September 2013 (4)
  • August 2013 (1)
  • July 2013 (1)
  • June 2013 (2)
  • May 2013 (1)
  • April 2013 (1)
  • March 2013 (2)
  • February 2013 (5)
  • January 2013 (4)
  • December 2012 (4)
  • October 2012 (3)
  • September 2012 (1)
  • June 2012 (1)
  • May 2012 (7)
  • April 2012 (3)
  • March 2012 (1)
  • February 2012 (3)
  • January 2012 (4)
  • December 2011 (1)
  • November 2011 (8)

Blogroll

  • Discuss
  • Get Inspired
  • Get Polling
  • Get Support
  • Learn WordPress.com
  • WordPress Planet
  • WordPress.com News

Meta

  • Register
  • Log in

COPYRIGHT © 2019 MyCarta

All rights reserved. Most rights sharable.

Go ahead if you want to use my code, modify it, improve it, for non-commercial AND for commercial use. You are also welcome to download and reuse my media files - unless otherwise stated. With both code and images, please give full and clear credit to Matteo Niccoli as the author and mycarta.wordpress.com as the source.
WordPress bloggers are welcome to reblog my posts. For republishing outside of WordPress or any other request, please e-mail me at: matteo@mycarta.ca

Learn more at konomark.org

Blog at WordPress.com.
Cancel