Heatmap

100%

✓ Published0🌍 Public

Last edited Nov 1, 2019

Created on Nov 1, 2019

A heatmap displays the value of a product across five countries, with each cell color-coded by the numeric value. The visualization uses a threshold color scale to map values into three colors, while missing data appears as blank cells. The code loads data from a CSV file and renders the heatmap as SVG rectangles using d3.csv, d3.scale.ordinal, d3.svg.axis, and d3.scale.threshold.

AI-generated description

MIT Licensed

Similar vizzes

Loading thumbnail…

Heat Map

A 5x5 heat map visualizes numeric values from a CSV file as colored squares, using a quantile scale with a sequential orange colormap to encode values from 1 to 20. The SVG rendering employs d3.csv for data loading, d3.scaleQuantile for color mapping, and d3.axisRight and d3.axisBottom to display axes. A tooltip appears on mouseover, showing the exact value of each cell.

CChai94

83% match

Loading thumbnail…

Heatmap

This heatmap shows monthly values across five years, with a white-to-orange color scale indicating magnitude from 0 to 2. Rendering as SVG, the visualization uses d3.scaleBand for month and year axes, d3.scaleLinear for color encoding, and d3.csv to load the heatmap.csv data. A tooltip appears on hover, displaying the exact cell value via mouseover, mousemove, and mouseleave handlers.

Pprateekvasi

81% match

Loading thumbnail…

Heatmap

A d3.js heatmap displays a matrix of values using the Inferno color scale, with each cell representing a combination of a group and variable from a CSV dataset loaded from GitHub. The SVG rendering includes band scales for axes, rounded rectangles, and a tooltip that shows the exact value on hover. The code uses d3.scaleSequential with d3.interpolateInferno, d3.axisBottom, d3.axisLeft, and mouse event handlers for interactivity.

Bbepnye@gmail.com

81% match

Loading thumbnail…

Heatmap using d3.js

This heatmap visualizes the consumption of various fruits and vegetables across five European countries—France, Italy, Germany, the United Kingdom, and Spain—using a color scale that encodes the percentage deviation of each value from the mean. The data is loaded from a CSV file, and each cell’s color corresponds to a six-band scale: negative values render in shades of red (dark to light), while positive values use shades of green, with the legend indicating percentage ranges. The chart uses an SVG layout with band scales for the x-axis (products) and y-axis (countries), and includes animation for a dynamic presentation. Built with d3.v4, the visualization is adapted from a block by nanu146 and is available under the GPL-3.0 license.

GGerardoFurtado

78% match

Loading thumbnail…

Heatmap (2D Histogram, CSV)

This heatmap visualizes the relationship between date (day), value, and hour from a CSV file. It displays the data as a 2D histogram, with the x-axis representing dates and the y-axis representing values, while a blue color scale indicates the count. The visualization uses d3.csv to load the data, then leverages d3.time.scale, d3.scale.linear, and d3.svg.axis to construct the plot and axes. Each tile is a rect element with its fill color mapped to the count value. The code also includes a legend showing the color-to-count mapping.

MMNoichl

77% match

Loading thumbnail…

Heatmap (2D Histogram, CSV)

This heatmap displays the frequency of values across dates and time buckets, with color intensity representing the count. The visualization uses a 2D histogram where each rectangle's fill color maps to the count value, from white to steelblue. Built with D3 v3, the code loads CSV data via `d3.csv`, parses dates with `d3.time.format`, and renders the tiles as SVG rectangles. Axes and a color legend are generated using `d3.svg.axis` and the linear scale functions.

Mmbostock

77% match

Loading thumbnail…

D3 - Heatmap

This heatmap visualizes impact magnitudes across locations and months from January to September 2016, using color intensity to convey variation. The D3.js v7 code loads CSV data via `d3.csv`, maps locations and months to x- and y-axes using `d3.scaleBand`, and fills rectangles with the sequential `d3.interpolateViridis` color scale. The SVG rendering includes axis labels, a chart title, and a grey background, with the heatmap cells styled with rounded corners and white strokes.

CChandana Srinivas

76% match

Loading thumbnail…

HeatMap Try 2

A heatmap-like scatterplot visualizes a time series of x and y positions as a smooth, green path with a Catmull-Rom curve, overlaid with individual circle marks. The code loads CSV data from a GitHub gist, parses numeric coordinates, and uses D3 v7 scales, axes, and the `d3.line` API with `curveCatmullRom.alpha`. The SVG rendering fills the browser window, with axis tick labels styled via CSS.

KKhanAzmat

76% match