David Hojdan

@davidqo1231·5 public vizzes

Sol Lewitt Reproduction

This example reproduces a Sol LeWitt wall drawing as a single static SVG rectangle, using a plain SVG element with a width and height set to 960 by 500 pixels. The code manually creates the SVG and a 100-by-100 rect child via the Document Object Model’s `createElementNS` method, relying on raw JavaScript rather than a charting library. It demonstrates basic SVG rendering with a fixed canvas, though the script appends the rect to the SVG before the document’s existing SVG is used, resulting in a minimal structural output. The work shows how geometric abstraction can be encoded directly through SVG API calls.

May 31, 2022

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JavaScript Basics

This example presents a minimal HTML page that explores fundamental JavaScript syntax and concepts through commented-out code examples. The visible script defines a `person` arrow function that returns an object with `first` and `last` properties, then logs an instance to the console. An empty SVG element with 960×500 dimensions is rendered on the page, though no data visualization is displayed. The code demonstrates object creation, function definitions, and console logging using plain JavaScript APIs.

May 31, 2022

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Pseudo Bar Chart

This pseudo bar chart encodes four categories, A through D, as horizontal black bars of varying lengths on a white background, with the first bar highlighted in blue. Each bar’s width suggests a quantitative value, while category labels sit to the left. The visualization uses plain SVG rectangles and text elements, with styling controlled by CSS, including the Share Tech font. The layout is fixed within a 506×321 viewBox, and no interactive or dynamic data binding is present.

May 30, 2022

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This example shows a simple HTML page with a red main heading, a blue sub-heading, and introductory paragraphs. The page uses inline CSS and a `<style>` block to style the headings and text, with no external libraries or JavaScript functionality. The content is static and demonstrates basic HTML structure and CSS styling. The code includes no data source or rendering approach beyond plain text and styles.

May 30, 2022

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SVG Fundamentals

This example demonstrates the fundamental building blocks of SVG graphics, showing how to create and style basic shapes. The visualization uses inline SVG rendered directly in the HTML DOM, featuring a red circle, a navy line, and a black polyline path. The code showcases the core SVG elements `<circle>`, `<line>`, and `<path>` with their respective coordinate attributes and presentation properties like `fill`, `stroke`, and `stroke-width`. It serves as a bare-bones reference for constructing vector graphics without any external libraries.

May 30, 2022