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asy - Asymptote: a script-based vector graphics language


asy [options] [file ...]


Asymptote is a powerful descriptive vector graphics language for technical drawings,
inspired by MetaPost but with an improved C++-like syntax. Asymptote provides for figures
the same high-quality level of typesetting that LaTeX does for scientific text.


If no arguments are given, Asymptote runs in interactive mode.

If "-" is given as the file argument, Asymptote reads from standard input.

A summary of options is included below. The effect of most options can be negated by
prepending no to the option name. Default values for most options may also be entered in
the file .asy/config.asy in the user's home directory using the long form:

import settings;

For a complete description, see the Info files.

View output; command-line only.

-a,-align C|B|T|Z
Center, Bottom, Top, or Zero page alignment [C].

-aligndir pair
Directional page alignment (overrides align) [(0,0)].

-antialias n
Antialiasing width for rasterized output [2].

-arcballradius pixels
Arcball radius [750].

Automatically activate 3D scene [true].

3D labels always face viewer by default [true].

-autoimport string
Module to automatically import.

Enable automatic importing of plain [true].

Autoplay 3D animations [false].

Enable automatic PDF page rotation [false].

-axes3 Show 3D axes in PDF output [true].

Mask fpu exceptions in batch mode [false].

View output in batch mode [false].

-bw Convert all colors to black and white [false].

-cd directory
Set current directory; command-line only.

-cmyk Convert rgb colors to cmyk [false].

-c,-command string
Command to autoexecute.

Conserve memory at the expense of speed [false].

Enable debugging messages [false].

-divisor n
Garbage collect using purge(divisor=n) [2].

-doubleclick ms
Emulated double-click timeout [200].

-embed Embed rendered preview image [true].

Exit interactive mode on EOF [true].

Fit rendered image to screen [true].

-framedelay ms
Additional frame delay [0].

-framerate frames/s
Animation speed [30].

Allow write to other directory [false].

-gray Convert all colors to grayscale [false].

Show summary of options; command-line only.

-historylines n
Retain n lines of history [1000].

Iconify rendering window [false].

Generate inline embedded image [false].

Generate inline TeX code [false].

Mask fpu exceptions in interactive mode [true].

View output in interactive mode [true].

Write expressions entered at the prompt to stdout [true].

Keep intermediate files [false].

Keep intermediate LaTeX .aux files [false].

-level n
Postscript level [3].

List available global functions and variables [false].

Use a local interactive history file [false].

-loop Loop 3D animations [false].

Mask fpu exceptions; command-line only.

-maxtile pair
Maximum rendering tile size [(1024,768)].

-maxviewport pair
Maximum viewport size [(2048,2048)].

Input code over multiple lines at the prompt [false].

View output from multiple batch-mode files [false].

-multisample n
Multisampling width for screen images [4].

Use offscreen rendering [false].

-O,-offset pair
PostScript offset [(0,0)].

-f,-outformat format
Convert each output file to specified format.

-o,-outname name
Alternative output directory/filename.

Parse file [false].

Automatically reload document in pdfviewer [false].

-pdfreloaddelay usec
Delay before attempting initial pdf reload [750000].

-position pair
Initial 3D rendering screen position [(0,0)].

-prc Embed 3D PRC graphics in PDF output [true].

-prompt string
Prompt [> ].

-prompt2 string
Continuation prompt for multiline input [..].

Suppress welcome message [false].

-render n
Render 3D graphics using n pixels per bp (-1=auto) [-1].

-resizestep step
Resize step [1.2].

reverse 3D animations [false].

-rgb Convert cmyk colors to rgb [false].

-safe Disable system call [true].

-scroll n
Scroll standard output n lines at a time [0].

-spinstep deg/s
Spin speed [60].

Emulate unimplemented SVG shading [false].

Interactive prompt auto-completion [true].

-tex engine
latex|pdflatex|xelatex|lualatex|tex|pdftex|luatex|context|none [latex].

-thick Render thick 3D lines [true].

-thin Render thin 3D lines [true].

Use POSIX threads for 3D rendering [true].

Show 3D toolbar in PDF output [true].

Show translated virtual machine code [false].

-twice Run LaTeX twice (to resolve references) [false].

Use two-sided 3D lighting model for rendering [true].

-u,-user string
General purpose user string.

Increase verbosity level (can specify multiple times) [0].

Show version; command-line only.

-wait Wait for child processes to finish before exiting [false].

-warn string
Enable warning; command-line only.

-where Show where listed variables are declared [false].

-zoomfactor factor
Zoom step factor [1.05].

-zoomstep step
Mouse motion zoom step [0.1].

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