Playing with Smiley Face part 2

Smiley Face Part 1

This example uses React and D3 v6 to draw a smiley face in SVG. It shows a yellow circle with black stroke for the face, two filled circles for eyes, and an arc path for the mouth. The code computes geometry such as center coordinates, eye offsets, and mouth radius, then passes these to D3’s `arc()` generator to create the mouth path. React renders the SVG elements declaratively, while D3 provides the arc calculation.

PPeter Colella

Smiley Face Part II

This example renders a smiley face in SVG using React components alongside D3’s `arc` generator for the mouth. The face consists of a yellow circle with a black stroke, two static eye circles, and a curved mouth path positioned via a centered `<g>` transform. The code builds the visualization declaratively in React, leveraging D3 v5’s `arc()` to compute the mouth’s path, while hardcoded dimensions and offsets define the layout. It demonstrates a hybrid approach where React manages the DOM structure and D3 supplies geometric calculations.

PPhilippe Rigovanov

Smiley Face Part II

A smiling face is drawn using SVG circles and a path, rendered inside a React component. The face consists of a yellow circular head with a black stroke, two black eyes, and a mouth created with the `d3.arc` API. D3 version 5 is used to generate the arc path, while React handles the SVG element structure and coordinates. The example demonstrates integrating D3’s shape generators with React’s declarative rendering for simple geometric visualizations.

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Smiley Face Part III

This example shows a smiley face rendered as SVG, with a yellow circle for the head, two dark eyes, and a smile drawn as a thick arc. The visualization demonstrates how to combine React for component structure with D3’s `arc` generator for the mouth path. The `arc()` is configured with inner and outer radii, start and end angles, and outputs a `path` element. All shapes are positioned using SVG coordinates, and the face is centered via a `g` transform. The code uses React 16.9 and D3 v5, both loaded from CDNs, with the final SVG drawn declaratively inside the React component.

CCurran Kelleher

Smiley Face Part II

This example displays a stylized smiley face composed of geometric shapes, including a yellow circle for the head, two eye arcs, a mouth arc, and a red tongue, all rendered as SVG paths. It uses React for component structure and D3 v6’s `arc()` generator to create the curved mouth, eyes, and tongue, with coordinates computed from the window dimensions. The visualization runs within a full-screen SVG element, demonstrating a straightforward integration of D3 shape generation inside a React application.

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Smiley Face Part II

This example shows a smiley face rendered as a yellow circle with black outlined eyes and an arc-shaped mouth, drawn using React elements inside an SVG container. It demonstrates how React manages the SVG structure while D3’s `arc` generator computes the mouth path. The face is centered with fixed dimensions, using hardcoded values for eye offset, radius, and mouth arc angles. D3 v5 provides the arc helper, while React handles component rendering, illustrating a hybrid approach where D3 handles geometric calculations and React handles UI state.

JJacklyn Turner

Smiley Face Part 2

A yellow smiley face with black outline is drawn in SVG, featuring two solid black eyes and a smile formed by a thick, open arc. The example demonstrates composing basic shapes and paths with React and D3. The code uses the `arc()` generator from `d3` to create the mouth path, while React elements render the circles and SVG container. The face is centered on a 960 by 500 canvas with fixed coordinates for features.

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Smiley Face Part II

This example renders a simple smiley face as an SVG graphic using React and D3.js v5. The face consists of a yellow circle for the head, two black circles for the eyes, and a D3 arc path for the mouth, all positioned within a 960×500 viewport. It uses D3's `arc` function to generate the mouth's curved shape, while React constructs the SVG elements declaratively. The code also includes two vertical blue lines that frame the face, suggesting a decorative or experimental composition.

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