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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

       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].

       -antialias n
              Antialiasing width for rasterized  output  [2].   -arcballradius
              pixels Arcball radius [750]

              Automatically   activate   3D   scene   [true].   -autobillboard
              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].

              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].   -framerate  frames/sec
              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].

       -hyperrefOptions str
              LaTeX hyperref package options [setpagesize=false,unicode].

              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 [(0,0)].

       -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].

       -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/sec
              Spin speed [60].

              Emulate unimplemented SVG shading [false].

              Interactive prompt auto-completion [true].

       -tex engine
              latex|pdflatex|xelatex|tex|pdftex|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].


       Asymptote  is  documented fully in the asymptote Info page.  The manual
       can also be accessed in interactive mode with the "help" command.


       Asymptote was written by Andy Hammerlindl, John Bowman, and Tom Prince.

       This manual page was written by Hubert Chan for the Debian project (but
       may be used by others).

                                  1 Dec 2004