COVID-19 Animation Generator

Generates an animation based on COVID-19 daily data.

• Explanation: minutephysics: How To Tell If We're Beating COVID-19
• Data:
  • Novel Coronavirus (COVID-19) Cases, provided by JHU CSSE
  • Datos covid19 en Chile by Jorge Perez

About

• Created by JC Olivares.
• Animations posted on Instagram and Twitter

Requirements

• Node 18.x
• GNU make

Initialize

• Run: npm install

Build

• Run: make

Running

node dist/main

The data is downloaded automatically

Parameters

All parameters are optional.

• --help: Displays a help message and exits.
• --source: Sets the data source. Default: global. See the contents of config.json, section dataSources, for possible values.
• --filter: Filters the series configurations from the datasource using its code. Multiple codes can be included, separated by comma.
• --schema: Sets the color schema. Default: dark. Possible values:
  • dark: Dark theme
• --days: Number of days for which the animation will be generated. Default: 30. Use 0 to plot all days.
• --frames: Number of frames per day. Default: 30.
• --extraFrames: Number of extra frames for the last image. Default: 300.
• --horizontalAxisLabel: Horizontal axis label. Default: "total confirmed cases (log)".
• --verticalAxisLabel: Vertical axis label. Default: "new confirmed cases (log, last week)".
• --zoomEasing: Easing function for the zoom effect. Default: easeInOutCubic.
• --timebarEasing: Easing function for the timebar. Default: linear.
• --dateFormat: Sets the date format based on the Luxon tokens. Default: yyyy-MM-dd.
• --drawMarkers: Draws series markers over the scale. Disabled by default.
• --skipZoom: Skips the zoom effect. Enabled by default.
• --hideWatermark: Hides the watermark. Enabled by default.
• --seriesLineWidth: Series line width. Default: 3.
• --horizontalMin: Horizontal scale minimum. Default: dynamic.
• --horizontalMax: Horizontal scale maximum. Default: dynamic.
• --verticalMin: Vertical scale minimum. Default: dynamic.
• --verticalMax: Vertical scale maximum. Default: dynamic.
• --scale: Scale. Default: log. Possible values:
  • log: Logaritmic (log10)
  • linear: Linear scale
  • linear-center: Linear scale for stacked area center
  • linear-avg7: Liner scale with 7 days change average
• --scaleDateFormat: Date format for the scale labels. Applies only for linear scale. Default: MM/dd.
• --scaleNumberFormat: Number format for the scale labels. Applies only for linear scale. Default: suffix. Possible values:
  • suffix: 1K for 1,000, 2K for 2,000, etc
  • plain: Plain number
  • spanish: Number in Spanish format (#.###)
• --stackedAreaNumberFormat: Number format for the stacked area number label. Default: plain. Possible values:
  • plain: Plain number
  • english: Number in English format (#,###)
  • spanish: Number in Spanish format (#.###)
• --stackedAreaIncludePercentage: Include percentage in the stacked area label. Default: true. Possible values:
  • true: Display the percentage
  • false: Do not display the percentage
• --horizontalJump: Distance between scale labels (horizontal axis).
• --verticalJump: Distance between scale labels (vertical axis).
• --horizontalLines: Horizontal lines with format numericvalue:label (example: 10:mylabel, multiple lines separated by comma)
• --verticalLines: Vertical lines with format numericvalue:label (example: 10:mylabel, multiple lines separated by comma)
• --singleDynamicScale: Use single axis to calculate the dynamic scale.
• --type: Chart type. Default: line. Possible values:
  • line: Line chart
  • stacked-area: Stacked area
• --outputDirectory: Output directory. If the value starts with /, it will be read as an absolute path. Otherwise, it will be relative to the project root. Default value: output.
• --debug: Prints debugging information to the console and the output images.
• --sample: Overrides frame configuration to output only one frame as a sample.
• --useAreaColor: Uses areaColor instead of color to draw line graphs.

Examples

• node dist/main
• node dist/main --source global
• node dist/main --layout square
• node dist/main --source us --layout vertical
• node dist/main --source us --layout vertical --frames 20

Output

The generated images will be in the output directory

Generate animation

You can generate an animation (60 fps). Requires ffmpeg. Run:

npm run video

The video will be here: output/animation.mp4

If you used --outputDirectory to generate the images, you can pass the directory path to the video script as:

npm run video -- /tmp/some/temporary/directory