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holtzy

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Show HN: A Data Art Gallery

data-to-art.com
1 points·by holtzy·5 months ago·1 comments

Show HN: Can you spot the better chart?

matplotlib-journey.com
7 points·by holtzy·last year·1 comments

Show HN: Understand How Matplotlib Works

matplotlib-journey.com
2 points·by holtzy·2 years ago·0 comments

Show HN: Graphs with React and D3.js? The big picture

react-graph-gallery.com
5 points·by holtzy·2 years ago·2 comments

Show HN: Pypalettes –> explore and use 2500 color palettes

python-graph-gallery.com
3 points·by holtzy·2 years ago·0 comments

Python Chart Examples

python-graph-gallery.com
50 points·by holtzy·2 years ago·25 comments

Show HN: Can you make beautiful graphs with Python?

python-graph-gallery.com
5 points·by holtzy·3 years ago·1 comments

Show HN: A gallery of graphs built with React and D3.js

react-graph-gallery.com
297 points·by holtzy·3 years ago·61 comments

comments

holtzy
·5 months ago·discuss
No idea what this means. Having 8 AI reading my website instead of humans makes me quite sad. What a weird world we live in!
holtzy
·2 years ago·discuss
Thanks! Glad to know it can be helpful!
holtzy
·2 years ago·discuss
That's the thing with wrapper libraries: amazing at the beginning, but quickly becoming frustrating.
holtzy
·2 years ago·discuss
There aren't so many polished matplotlib charts out there. So I'm not even sure if chatGPT would be good at it.
holtzy
·2 years ago·discuss
There are countless stunning charts available on the web, many of which are crafted using programming languages like R.

Tired of hearing doubts about matplotlib's capabilities, I've curated and translated a collection of impressive charts using Python and matplotlib.

Explore them all with detailed tutorials and reproducible code at:

https://python-graph-gallery.com/best-python-chart-examples/
holtzy
·3 years ago·discuss
This is a very good question as performance is a key struggle in Data Visualization. Swizec answer below is great.

I will write more about performance soon. But using several layers of canvas is definitely the way to go in most situation to put it in a nutshell
holtzy
·3 years ago·discuss
All the map sections are not ready yet. But they will be soon!
holtzy
·3 years ago·discuss
Nice thanks!
holtzy
·3 years ago·discuss
Animation is the trickiest part of dataviz on the web IMO.

I like react-spring but there are sooo many approached. All with pros and cons.

I'll write more about it soon!
holtzy
·3 years ago·discuss
If 1 day you need to compute the position of all the rectangles in a treemap, you will understand how handy d3.js is.

D3.js is split in 2 types of functions:

- "math" - rendering

Math functions cannot be avoided for sure
holtzy
·3 years ago·discuss
I also have the d3 graph gallery. It shows only simple charts which ease the learning curve

d3-graph-gallery.com
holtzy
·3 years ago·discuss
Ever heard about ggplot2 ?

www.r-graph-gallery.com
holtzy
·3 years ago·discuss
I agree a LOT with the comment below.

D3.js comes with function that modify the DOM. This is react job too. So using both together can be a challenge.
holtzy
·3 years ago·discuss
It's fully static and hosted on github. It won't go dark. (And I'm actively working on it :) )
holtzy
·3 years ago·discuss
Many great books exist for d3.js.

For d3.js AND react, it is missing for now IMO
holtzy
·3 years ago·discuss
Thanks! Glad to hear this!
holtzy
·3 years ago·discuss
Substack is just the tool I use for the newsletter!

The website is made using Next.JS
holtzy
·3 years ago·discuss
Nope. Charts are added to the DOM using SVG or Canvas.
holtzy
·3 years ago·discuss
You can: - call d3.axis in a useEffect - Or create your own axis component rendering some svg. It is not so hard actually.
holtzy
·3 years ago·discuss
Thanks!