Refactoring Bar Chart

Refactored Bar Chart

This example shows a horizontal bar chart of population data for the top 10 countries in 2020, using React to render SVG elements. It fetches the UN Population dataset via `d3.csv`, then uses `scaleBand` and `scaleLinear` from D3 v7 to map country names and population values to screen coordinates. The chart is composed of three reusable React components for the bottom axis, left axis, and the bars themselves, with each axis tick and bar generated as separate SVG elements. The visualization demonstrates a modular, component-based approach to building D3 charts within a React framework.

GGabriel Dias Menezes

Refactored Bar Chart

This example presents a horizontal bar chart of the top 10 countries by population for 2020, sourced from a UN population CSV file. The visualization uses React with D3 v5 utilities to load and scale the data, rendering SVG via React components. `scaleBand` positions country labels on the y-axis, while `scaleLinear` maps population values to bar widths, with reusable `AxisBottom`, `AxisLeft`, and `Marks` components structuring the chart.

JJohn Jeevasaeyan

Refactored Bar Chart

This example shows a horizontal bar chart of the top 10 countries by population in 2020, using UN population data loaded via `d3.csv`. The React app renders SVG bars with `d3.scaleBand` for the y-axis and `d3.scaleLinear` for the x-axis, along with custom axis components. D3 utilities like `d3.max` and `d3.format` handle scaling and tick formatting, while tooltips appear on hover via SVG `<title>` elements.

KKazSoftwareEngineer

Refactored Bar Chart

This example presents a horizontal bar chart of the top ten countries by 2020 population, sourced from a UN population dataset. It demonstrates a modular code organization using React components for the bottom axis, left axis, and the rectangular marks, each rendered with SVG. The chart specifically uses D3's `scaleBand` and `scaleLinear` to map the data to pixel coordinates, while the React `useData` hook fetches and parses the CSV file. The bars are scaled proportionally to each country's population value.

Vvangenned

Refactored Bar Chart

A horizontal bar chart displays the top 10 countries by population for 2020, using UN population data loaded via D3's `csv` utility. The React app renders SVG rectangles through the `Marks` component, with scales from `d3.scaleBand` and `d3.scaleLinear` positioning bars and axes. Reusable `AxisBottom` and `AxisLeft` components generate tick marks and labels. The chart is built with React 16.9, D3 v7, and SVG rendering, isolating data-loading logic in a custom `useData` hook.

Aalexandermodell

Refactored Bar Chart

This example shows a horizontal bar chart of the top ten countries by population in 2020, using UN Population data. The visualization is built with React and D3 v6, where D3 utilities like `scaleBand` and `scaleLinear` compute the chart scales. The code refactors the visualization into modular components, with separate files for the axes (`AxisBottom`, `AxisLeft`) and the bars (`Marks`), demonstrating a clean separation of concerns. The chart is rendered as SVG, and the data is loaded asynchronously using the `csv` function from D3.

MMosheAron

Refactor Bar chart

This bar chart visualizes the population of the top 10 countries in 2020, using horizontally-oriented bars. Built with React and SVG, the example decomposes the visualization into reusable components: `AxisBottom`, `AxisLeft`, and `Marks`. It uses `d3.scaleBand` for the categorical y-axis, `d3.scaleLinear` for the population x-axis, and `d3.max` for domain calculation. Data is loaded asynchronously from a CSV file via a custom `useData` hook, which fetches and parses the UN Population 2019 dataset.

AAlex Stulov

Refactored Bar Chart

This example shows a horizontal bar chart of UN population data for 2019, displaying the top 10 countries by population. The chart uses React components to render SVG bars and axes, with D3 utilities like `scaleBand` and `scaleLinear` for positioning and scaling. Data is loaded asynchronously via D3’s `csv` parser, and React’s `useState` and `useEffect` hooks manage the data fetching and state. The axes and marks are separated into reusable React components, demonstrating a modular approach to building visualizations.

Ddiska432