Generate WHO Child Growth Standards charts with percentile curves and child data overlay.

Features

• - Height-for-age (0-19 years)
• Weight-for-age (0-10 years)
• BMI-for-age (0-19 years)
• Supports boys and girls
• Downloads WHO data on demand from cdn.who.int (cached locally)
• Overlays child's actual measurements with trend line

Examples

Prerequisites

Install Python dependencies:
CODEBLOCK0

Usage

Basic Chart Generation

CODEBLOCK1

Arguments:

• - name: Child's name (used in chart title)
• INLINECODE1: Date of birth in DD.MM.YYYY format
• INLINECODE2 / -s: F (female) or M (male) — default: F
• INLINECODE6 / -t: height, weight, bmi, or all — default: all
• INLINECODE12 / -d: JSON file with measurement data
• INLINECODE14 / -o: Output directory for charts

With Measurement Data

Create a JSON file with height/weight measurements (heights in meters, weights in kg):
CODEBLOCK2

CODEBLOCK3

Integration with Withings

Combine with withings-family skill to fetch weight data automatically:
CODEBLOCK4

Output

By default, charts and cache are written to:

• - INLINECODE17
• INLINECODE18

Where <workspace> is the folder that contains your skills/ directory (auto-detected from CWD or script location).