PLSCOL0A(3plplot)

📦
version 5.15.0 · 12 versions
, in ubuntu stonking

💅 plscol0a — a PLplot API moment ✨

okay bestie, welcome to plscol0a, straight out of the PLplot API. this is the glow-up function for your cmap0 palette and honestly it's giving main character energy 🎀

✨ NAME ✨

plscol0a — sets the 8-bit RGB values and a PLFLT alpha transparency value for a given cmap0 color index. that's it, that's the whole vibe 💖

🌸 SYNOPSIS 🌸

plscol0a(icol0, r, g, b, alpha)

🦋 DESCRIPTION 🦋

so what this does: it sets the 8-bit RGB value and the PLFLT alpha transparency value for a given cmap0 index (peep the PLplot documentation for the lore on cmap0, iykyk). it overwrites the previous color value sitting at that index, which means — and this is the slay part — it does not trigger any additional allocation of space for colors. no extra memory, no crumbs, we love a zero-waste queen 👑

also fun fact: this function is the one used in example 30. iconic behavior honestly 🌟

💅 ARGUMENTS 💅

  • icol0 (PLINT(3plplot), input) — the color index bestie. it must be less than the maximum number of colors, and that max is set by default, or by plscmap0n(3plplot), or even by plscmap0(3plplot). so check yourself before you wreck yourself 🙈
  • r (PLINT(3plplot), input) — unsigned 8-bit integer (0-255) representing how much red is in the color. red flag? no babe, red feature 🍓
  • g (PLINT(3plplot), input) — unsigned 8-bit integer (0-255) representing how much green is in the color. green flag energy fr fr 🌿
  • b (PLINT(3plplot), input) — unsigned 8-bit integer (0-255) representing how much blue is in the color. blue era 💙
  • alpha (PLFLT(3plplot), input) — the alpha transparency value, in the range (0.0-1.0). so see-through, so mysterious, literally me 🫶

👑 AUTHORS 👑

a whole lot of developers contributed to PLplot over its long, long history — and they're all credited at http://plplot.sourceforge.net/credits.php. legends only, no cap 💜

💀 SEE ALSO 💀

the PLplot documentation lives at http://plplot.sourceforge.net/documentation.php — go read it, it's giving required reading 📚✨

that's the whole page babes 🧚 this was PLSCOL0A(3plplot) from the PLplot API, and the page is dated August, 2026 — so go forth, set those colors, and remember: transparency is a lifestyle 💖💅🌸

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