The avatar for @stanleyseow
Stanley Seow
An curious maker & coder from Malaysia, doing fun projects related to Arduino RPi, IoT, PCB, LED, linux, javascript (p5, phaser, Vue), dataviz & art installation
Published
Edited
Nov 21, 2020
1 fork
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md`# Calling API`
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url = "https://mqtt.boomgrowfarms.com/test"
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url2 = "https://mqtt.boomgrowfarms.com/getMsg"
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md `Disable CORS in nginx with

add_header 'Access-Control-Allow-Origin' '*';
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';

Get json
response2 = await d3.json(url)

Slice and format for charts with .map

name : id
value : co2 values
`
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d3 = require("d3@5")
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response2 = await d3.json(url)
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co2format = response2.rows.map(function(d) {
return {
name: d.id,
value: d.value
}
})
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co2values = co2format.splice(0,20)
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import {chart as barchart} with { co2values as data } from '@d3/bar-chart'
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barchart
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