data = {
const allData = (d3.csvParse(await FileAttachment("12.22_reflectivity@3.csv").text(), d3.autoType))
.map(({ Reflectivity, Wavelength, Material}) => ({Material, iso: Material, Property: Reflectivity, Wavelength: Wavelength }))
return [
allData.filter(({ iso }) => iso === 'Fused quartz over aluminum substrate'),
allData.filter(({ iso }) => iso === 'Stainless steel, as received, dull'),
allData.filter(({ iso }) => iso === 'White paint'),
allData.filter(({ iso }) => iso === 'Aluminum evaporated film'),
allData.filter(({ iso }) => iso === 'Snow'),
allData.filter(({ iso }) => iso === 'Human skin, Caucasian'),
allData.filter(({ iso }) => iso === 'Red brick'),
allData.filter(({ iso }) => iso === 'Black paint'),
]
}