---
name: "specplot"
section: "1"
platform: "linux"
package: "argyll"
version: "3.3.0+repack-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/specplot"
---

# specplot(1)

Plot spectrum and calculate CCT and VCT.

## NAME

Plot - Plot spectrum and calculate CCT and VCT.

## DESCRIPTION

Plot spectrum and calculate CCT and VCT

## SYNOPSIS

**specplot** \[infile.sp\]

- **-v**

  verbose

- **-c**

  combine multiple files into one plot

- **-z**

  don't make range cover zero

- **-u** level

  plot effect of adding estimated UV level

- **-U**

  plot effect of adding range of estimated UV level

- \[infile.sp ...\]

  spectrum files to plot default is all built in illuminants