---
name: "gtscheck"
section: "1"
platform: "linux"
package: "gts"
version: "0.7.6.121130-5"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/gtscheck"
---

# gtscheck(1)

checks that a surface defines a closed, orientable non self-intersecting manifold.

## NAME

gtscheck - checks that a surface defines a closed, orientable non self-intersecting manifold.

## SYNOPSIS

**gtscheck** \[*OPTION*\] \< *FILE*

## DESCRIPTION

This manual page documents briefly the **gtscheck** command.

## OPTIONS

These programs follow the usual GNU command line syntax, with long options starting with two dashes (\`-'). A summary of options is included below.

- **-v**, **--verbose**

  Print statistics about the surface.

- **-h**, **--help**

  Display the help and exit.

## EXIT STATUS

The return status reflects the error encountered: **0** none **1** the input file is not a valid GTS file **2** the surface is not an orientable manifold **3** the surface is an orientable manifold but is self-intersecting

## AUTHOR

gtscheck was written by Stephane Popinet \<popinet@users.sourceforge.net\>.

This manual page was written by Ruben Molina \<rmolina@udea.edu.co\>, for the Debian project (but may be used by others).