---
name: "shapes"
section: "1"
platform: "linux"
package: "gerris"
version: "20131206+dfsg-21+b3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/shapes"
---

# shapes(1)

generates various shapes for Gerris.

## NAME

shapes - generates various shapes for Gerris.

## SYNOPSIS

**shapes** \[OPTIONS\]*SHAPE*

SHAPE can be one of: ellipse, star, 4ellipses, square, almgren, channel,  half-cylinder, rayleigh-taylor, FILE.

## DESCRIPTION

This manual page documents briefly the **shapes** 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.

- **-z, --zextrude**

  Shape file contains z coordinate.

- **-n N, --number=N**

  Set number of points for polar surfaces (default is 100).

- **-o, --open**

  Generate open surfaces.

- **-d R, --dr=R**

  Set inner radius for star to R (default is 0.15).

- **-r R, --ratio=R**

  Ratio x/y of the ellipse (default is 1).

- **-v, --url=URL**

  Display surface statistics.

- **-h, --help**

  Display the help and exit.

## AUTHOR

shapes was written by Stephane Popinet \<s.popinet@niwa.co.nz\>.

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