The Margin Convention

The Margin Convention

This example demonstrates the D3 margin convention by rendering a horizontal bar chart of the top 10 countries by 2020 population, with a 50-pixel gutter on each side of the SVG canvas. The React app loads data from a CSV file using d3.csv, then uses scaleBand for the categorical y-axis and scaleLinear for the quantitative x-axis. Bars are drawn as SVG rectangles inside a translated group element.

MMaciek Sitkowski

The Margin Convention

This example demonstrates the margin convention in D3 by rendering a horizontal bar chart of population data for the top 10 countries from a CSV file. The visualization uses React to manage state and render SVG elements, while D3 utilities (`csv`, `scaleBand`, `scaleLinear`, and `max`) handle data loading and scaling. A fixed margin object creates inner dimensions for the plot area, with bars translated inside a `<g>` element. The chart shows each country's 2020 population as a proportional bar, with axes omitted to focus purely on bar lengths and spacing.

LLisa Wagner

The Margin Convention

This example demonstrates a simple horizontal bar chart of the top ten countries by 2020 population, using data loaded from a CSV file. The chart applies the margin convention, reserving space around the plot area with a 20-pixel margin on all sides. The visualization uses React state to manage the data and renders SVG rectangles, with scales defined by `d3.scaleBand` for the y-axis and `d3.scaleLinear` for the x-axis. Population values are parsed from the CSV using D3’s `csv` utility.

JJoeleen Kado

Margin Convention

This example demonstrates the margin convention in D3, rendering a horizontal bar chart of population data for the top 10 countries in 2020. The chart displays bars scaled by population using `d3.scaleLinear` and `d3.scaleBand`, with the SVG group translated to respect the defined margins. React manages the component state, loading the CSV data via `d3.csv` before rendering the SVG rectangles.

Jjwesterlund412

The Margin Convention

This example shows a horizontal bar chart of the top 10 countries by population in 2020, loaded from a CSV file. The chart demonstrates the margin convention by offsetting a group of rectangles using an SVG transform. React state manages the asynchronous data loading with `d3.csv`, while the scales `scaleBand` and `scaleLinear` map country names and population counts to the inner chart dimensions. The bars are rendered as SVG `rect` elements within React’s declarative JSX structure.

KK3zter

The Margin Convention

This example demonstrates a horizontal bar chart of the top 10 most populous countries in 2020, using D3 scales to map population counts to bar widths and country names to vertical positions. The chart applies the margin convention, translating the SVG group by a fixed margin so the bars fit within the inner chart area. React state manages the fetched CSV data, loaded asynchronously via `d3.csv`, while `d3.scaleBand` and `d3.scaleLinear` handle the scales, and SVG `<rect>` elements render each bar.

Ddiska432

The Margin Convention

This example demonstrates the margin convention for D3 visualizations in a React application. It displays a horizontal bar chart of the top 10 countries by 2020 population from UN data, loaded via d3.csv. The SVG rendering uses d3.scaleBand for the y-axis and d3.scaleLinear for the x-axis, with a margin object defining the inner plotting area. React state manages the async data loading, and the chart updates once the CSV parsing completes.

AAlex Gomes

Margin Convention

This example demonstrates the margin convention in D3 by rendering a horizontal bar chart of the top ten countries by 2020 population from a UN dataset. The chart uses React state to load the CSV data via `d3.csv`, then maps it to SVG rectangles positioned with `d3.scaleBand` and `d3.scaleLinear`. The outer `<svg>` is sized to 960×500, while an inner `<g>` element is translated by margin offsets, showing how to reserve space for axes or labels. The visualization highlights reusable patterns for combining React with D3’s data utilities.

KKazushige Okuma