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;
batchView=true;
For a complete description, see the Info files.
-GPUblockSizen
Compute shader block size [8].
-GPUcompress
Compress GPU transparent fragment counts [false].
-GPUindexing
Compute indexing partial sums on GPU [true].
-GPUinterlock
Use fragment shader interlock [true].
-GPUlocalSizen
Compute shader local size [256].
-V,-View
View output; command-line only.
-absolute
Use absolute WebGL dimensions [false].
-a,-alignC|B|T|Z
Center, Bottom, Top, or Zero page alignment [C].
-aligndirpair
Directional page alignment (overrides align) [(0,0)]. -animating [false]
-antialiasn
Antialiasing width for rasterized output [2].
-auto3D
Automatically activate 3D scene [true].
-autobillboard
3D labels always face viewer by default [true].
-autoimportstr
Module to automatically import.
-autoplain
Enable automatic importing of plain [true].
-autoplay
Autoplay 3D animations [false].
-autorotate
Enable automatic PDF page rotation [false].
-axes3 Show 3D axes in PDF output [true].
-batchMask
Mask fpu exceptions in batch mode [false].
-batchView
View output in batch mode [false].
-bw Convert all colors to black and white false.
-cddirectory
Set current directory; command-line only.
-cmyk Convert rgb colors to cmyk false.
-c,-commandstr
Command to autoexecute.
-compact
Conserve memory at the expense of speed false.
-compress
Compress images in PDF output [true]. -convertOptions str []
-d,-debug
Enable debugging messages and traceback [false].
-devicepixelration
Ratio of physical to logical pixels [1].
-digitsn
Default output file precision [7].
-divisorn
Garbage collect using purge(divisor=n) [2]. -dvipsOptions str []
-dvisvgmMultipleFiles
dvisvgm supports multiple files [true]. -dvisvgmOptions str [--optimize]
-embed Embed rendered preview image [true].
-e,-environment
Show summary of environment settings; command-line only.
-exitonEOF
Exit interactive mode on EOF [true].
-fitscreen
Fit rendered image to screen [true].
-framerateframes/s
Animation speed [30]. -glOptions str []
-globalread
Allow read from other directory true.
-globalwrite
Allow write to other directory false.
-gray Convert all colors to grayscale false. -gsOptions str []
-h,-help
Show summary of options; command-line only.
-historylinesn
Retain n lines of history [1000]. -htmlviewerOptions str -hyperrefOptions str
[setpagesize=false,unicode,pdfborder=0 0 0]
-ibl Enable environment map image-based lighting [false].
-iconify
Iconify rendering window [false].
-imagestr
Environment image name [snowyField].
-imageDirstr
Environment image library directory [ibl].
-inlineimage
Generate inline embedded image [false].
-inlinetex
Generate inline TeX code [false].
-inpipen
Input pipe [-1].
-interactiveMask
Mask fpu exceptions in interactive mode [true].
-interactiveView
View output in interactive mode [true].
-interactiveWrite
Write expressions entered at the prompt to stdout [true]. -interrupt [false]
-k,-keep
Keep intermediate files [false].
-keepaux
Keep intermediate LaTeX .aux files [false].
-leveln
Postscript level [3].
-l,-listvariables
List available global functions and variables [false].
-localhistory
Use a local interactive history file [false].
-loop Loop 3D animations [false].
-lossy Use single precision for V3D reals [false].
-lsp Interactive mode for the Language Server Protocol [false].
-m,-mask
Mask fpu exceptions; command-line only.
-maxtilepair
Maximum rendering tile size [(1024,768)].
-maxviewportpair
Maximum viewport size [(0,0)].
-multiline
Input code over multiple lines at the prompt [false].
-multipleView
View output from multiple batch-mode files [false].
-multisamplen
Multisampling width for screen images [4].
-offline
Produce offline html files [false].
-O,-offsetpair
PostScript offset [(0,0)].
-f,-outformatformat
Convert each output file to specified format.
-o,-outnamename
Alternative output directory/file prefix.
-outpipen
Output pipe [-1].
-paperheightbp
Default page height [0].
-paperwidthbp
Default page width [0].
-p,-parseonly
Parse file [false].
-pdfreload
Automatically reload document in pdfviewer [false]. -pdfreloadOptions str []
-pdfreloaddelayusec
Delay before attempting initial pdf reload [750000]. -pdfviewerOptions str []
-positionpair
Initial 3D rendering screen position [(0,0)].
-prc Embed 3D PRC graphics in PDF output [false].
-prerenderresolution
Prerender V3D objects (0 implies vector output) [0].
-promptstr
Prompt [> ].
-prompt2str
Continuation prompt for multiline input [..]. -psviewerOptions str []
-q,-quiet
Suppress welcome text and noninteractive stdout [false].
-rendern
Render 3D graphics using n pixels per bp (-1=auto) [-1].
-resizestepstep
Resize step [1.2].
-reverse
reverse 3D animations [false].
-rgb Convert cmyk colors to rgb false.
-safe Disable system call true.
-scrolln
Scroll standard output n lines at a time [0].
-shiftHoldDistancen
WebGL touch screen distance limit for shift mode [20].
-shiftWaitTimems
WebGL touch screen shift mode delay [200].
-spinstepdeg/s
Spin speed [60].
-svgemulation
Emulate unimplemented SVG shading [true].
-tabcompletion
Interactive prompt auto-completion [true].
-texengine
latex|pdflatex|xelatex|lualatex|tex|pdftex|luatex|context|none [latex].
-thick Render thick 3D lines [true].
-thin Render thin 3D lines [true].
-threads
Use POSIX threads for 3D rendering [true].
-toolbar
Show 3D toolbar in PDF output [true].
-s,-translate
Show translated virtual machine code [false].
-twice Run LaTeX twice (to resolve references) [false].
-twosided
Use two-sided 3D lighting model for rendering [true].
-u,-userstr
General purpose user string.
-v3d Embed 3D V3D graphics in PDF output [false].
-v,-verbose
Increase verbosity level (can specify multiple times) 0.
-version
Show version; command-line only.
-vibrateTimems
WebGL shift mode vibrate duration [25].
-viewportmarginpair
Horizontal and vertical 3D viewport margin [(0.5,0.5)].
-wait Wait for child processes to finish before exiting [false].
-warnstr
Enable warning; command-line only.
-webgl2
Use webgl2 if available [false].
-where Show where listed variables are declared [false].
-wsl Run asy under the Windows Subsystem for Linux [false].
-xasy Interactive mode for xasy [false].
-zoomPinchCaplimit
WebGL maximum zoom pinch [100].
-zoomPinchFactorn
WebGL zoom pinch sensitivity [10].
-zoomfactorfactor
Zoom step factor [1.05].
-zoomstepstep
Mouse motion zoom step [0.1].
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