---
name: "if1"
section: "1"
platform: "linux"
package: "ctsim"
version: "6.0.2-6+b5"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://carta.tech/man/if1"
---

# if1(1)

Single IF (Image File) Transformation

## NAME

if1 - Single IF (Image File) Transformation

## SYNOPSIS

**if1 iffile outfile \[OPTIONS\]**

## DESCRIPTION

*if1* transforms a single IF file.

## OPTIONS

*if1* accepts the following options:

- **--invert**

  Inverts (negates) the image.

- **--log**

  Natural logrithm of image.

- **--exp**

  Natural exponential of image.

- **--debug**

  Set debug mode.

- **--verbose**

  Set verbose mode.

- **--version**

  Print version.

- **--help**

  Print terse help summary.

## AUTHORS

Kevin Rosenberg, M.D. \<kevin@ctsim.org\>

## HISTORY

CTSim was begun in 1983 using MS-DOS and an EGA display adapter. In 1999 it was ported to GNU/Linux and later ported to Microsoft Windows.

## SEE ALSO

[**ctsim**(1)](/man/ctsim/1.md) [**ctsimtext**(1)](/man/ctsimtext/1.md) [**if2**(1)](/man/if2/1.md) [**ifexport**(1)](/man/ifexport/1.md) [**ifinfo**(1)](/man/ifinfo/1.md) [**linogram**(1)](/man/linogram/1.md) [**phm2helix**(1)](/man/phm2helix/1.md) [**phm2if**(1)](/man/phm2if/1.md) [**phm2pj**(1)](/man/phm2pj/1.md) [**pj2if**(1)](/man/pj2if/1.md) [**pjHinterp**(1)](/man/pjHinterp/1.md) [**pjinfo**(1)](/man/pjinfo/1.md) [**pjrec**(1)](/man/pjrec/1.md)