Margin Convention

100%

Margin Convention

✓ Published0🌍 Public

Last edited Sep 4, 2018

Created on Sep 4, 2018

A demonstration of the D3 margin convention for laying out SVG charts. The visualization shows nested rectangles and axis arrows with labels that clarify the positions of margins, padding, and the coordinate origin. The code uses `d3.select` to append an SVG, `d3.svg.axis` for the bottom and right axes, and `d3.scale.identity` for linear scaling. It explicitly defines `margin` and `padding` objects in JavaScript and translates a G element to establish the chart origin, rendering axes and annotations in SVG.

AI-generated description

First define the margin object with properties for the four sides (clockwise from the top, as in CSS).

var margin = {top: 20, right: 10, bottom: 20, left: 10};

Then define width and height as the inner dimensions of the chart area.

var width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

Lastly, define svg as a G element that translates the origin to the top-left corner of the chart area.

var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

With this convention, all subsequent code can ignore margins. For example, to create x and y scales, simply say:

var x = d3.scale.linear()
    .range([0, width]);

var y = d3.scale.linear()
    .range([height, 0]);

If you want to add axes to the chart, they will be positioned correctly by default in the "left" and "top" orientations. For "right" or "bottom" orientation, translate the axis G element by the width or height, respectively.

forked from <a href='http://bl.ocks.org/mbostock/'>mbostock</a>'s block: <a href='http://bl.ocks.org/mbostock/3019563'>Margin Convention</a>

gpl-3.0 Licensed

Similar vizzes

Loading thumbnail…

Margin Convention

FFrissAnalytics

100% match

Loading thumbnail…

Margin Convention

This example illustrates the margin convention for D3.js v3, visualizing the layout of an SVG chart with outer and inner padding rectangles. Dashed and solid outlines mark the chart area while arrows label the origin and padding offsets. The code defines margin and padding objects, then uses `d3.svg.axis()` to position bottom and right axes on translated `g` elements. SVG markers create arrowheads for dimension annotations, and `d3.scale.identity` maps pixel coordinates, demonstrating how margins simplify chart construction by separating layout concerns from scale ranges.

Mmbostock

92% match

Loading thumbnail…

Margin Convention

The example demonstrates the standard D3 margin convention for creating charts with axes, visually annotating the outer and inner dimensions and padding. It shows how the `margin` object and `padding` object define the chart’s layout, with the SVG’s root group translated by `margin.left` and `margin.top`. The code uses D3’s `d3.svg.axis()` for axes, `d3.scale.identity()` for scales, and SVG markers for arrowheads to label the origin and padding offsets. Arrows and text call out the translated origin and the spacing between the outer rectangle, inner plot area, and axes, clarifying the coordinate system for a simple linear scale.

DDinoJay

91% match

Loading thumbnail…

D3 Margin Convention - forked from responsive starter

This example demonstrates the D3 margin convention, a reusable pattern for structuring SVG charts with explicit padding around the plotting area. A component function applies the margin to an SVG, translating a container `g` element and returning the computed inner dimensions. It then renders a single rounded rectangle that fills this inner space, resizing dynamically on window resize events. The code uses D3 v5’s selection methods, including `merge` for efficient updates, and a custom `marginConvention` helper for managing layout.

JJasmine Ye Han

86% match

Loading thumbnail…

Responsive Margin Convention

This example demonstrates how to apply the D3.js margin convention in a responsive visualization that adapts to the full browser window. It renders an SVG with axes and a rounded rectangle, using d3.axisLeft and d3.axisBottom with linear scales. The marginConvention function calculates inner dimensions and translates a group element, while a resize listener re-renders the chart on window changes. The code reuses selections with .merge() to update elements efficiently.

PParamjeet Dhiman

83% match

Loading thumbnail…

Margin Convention with ReactiveModel

This example demonstrates the Margin Convention pattern for SVG charts, where a gray rectangle represents the inner plotting area within configurable top, bottom, left, and right margins. It shows how margins respond dynamically both to browser resizing and to a continuous animation that varies each margin sinusoidally. Built on D3 v4 and the ReactiveModel library, the visualization uses reactive model declarations to update SVG attributes such as `width`, `height`, `transform`, and rectangle dimensions whenever their input variables change. The code appends an SVG via `d3.select` and uses `requestAnimationFrame` to drive the margin animation loop.

CCurran Kelleher

81% match

Loading thumbnail…

The margin convention

This example demonstrates the margin convention in D3, a common pattern for reserving space around a chart’s plotting area. It renders a horizontal bar chart of the top 20 countries by 2020 population from a CSV dataset. The code uses React hooks to fetch and parse the data, then applies `d3.scaleBand` and `d3.scaleLinear` to map countries and populations to SVG rectangles. A `<g>` element is translated by the margin offsets, ensuring axes and labels fit neatly within the overall SVG canvas.

Rrvdv

80% match

Loading thumbnail…

Margin Convention with Model.js

This example demonstrates how the D3 Margin Convention can be encapsulated as reusable functions using Model.js, with the SVG element and inner G element automatically resizing to fit the container. The code defines three separate functions—marginConvention, backgroundRect, and a clip rectangle—each managing its own dynamic behavior through Model.js property bindings. It renders a gray background rectangle and a clipped X pattern, with the visualization’s width and height derived from the container’s box dimensions minus the margin. The example uses D3.js for SVG manipulation and Model.js to coordinate reactive updates between the margin, box size, and inner element dimensions.

CCurran Kelleher

80% match