Boosts - Useful snippet for computing pixel dimensions from paper sizes (both metric...

toxi, 24 days ago (edited 24 days ago)

Useful snippet for computing pixel dimensions from paper sizes (both metric (DIN) and (US) imperial presets included) using https://thi.ng/units, an elaborate & powerful unit converter/calculator/DSL for all SI dimensions:

Full list of predefined constants:
https://github.com/thi-ng/umbrella/tree/develop/packages/units#constants

#ThingUmbrella #Units #Conversion #TypeScript #JavaScript

$TypeScript source code for converting paper sizes to pixel dimensions: import { quantity, mul, DIN_A4, US_ARCH_A } from "@thi.ng/units"; // compute pixel dimensions from paper size preset & resolution // all common DIN sizes included (also as landscape) const [W, H] = mul(DIN_A4, quantity(300, "dpi")).deref(); // [2480.315, 3507.874] // ...or using various common US sizes (also as landscape) const [W, H] = mul(US_ARCH_A, quantity(300, "dpi")).deref(); // [2700, 3600] // ...or using a custom size const [W, H] = mul(quantity([210, 297], "mm"), quantity(150, "dpi")).deref(); // [1240.157, 1753.937]$

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nclslbrn 24 days ago