.TH surfaces 6 "6.08 (10-Oct-2023)" "X Version 11" "XScreenSaver manual"
.SH NAME
surfaces \- Draws some interesting 3d parametric surfaces.
.SH SYNOPSIS
.B surfaces
[\-\-display \fIhost:display.screen\fP]
[\-\-visual \fIvisual\fP]
[\-\-window]
[\-\-root]
[\-\-window\-id \fInumber\fP]
[\-\-speed \fInumber\fP]
[\-\-rand]
[\-\-spin]
[\-\-wander]
[\-\-fps]
[\-\-surface \fIsurface-name\fP]
[\-\-random-surface]
[\-\-dini]
[\-\-enneper]
[\-\-kuen]
[\-\-moebius]
[\-\-seashell]
[\-\-swallowtail]
[\-\-bohemian]
[\-\-whitney]
[\-\-pluecker]
[\-\-henneberg]
[\-\-catalan]
[\-\-corkscrew]
[\-\-mode \fIdisplay-mode\fP]
[\-\-random-mode]
[\-\-points]
[\-\-lines]
[\-\-line-loops]
.SH DESCRIPTION
This draws one of several three dimensional parametric surfaces.
.SH OPTIONS
.TP 8
.B \-\-visual \fIvisual\fP
Specify which visual to use.  Legal values are the name of a visual
class, or the id number (decimal or hex) of a specific visual.
.TP 8
.B \-\-window
Draw on a newly-created window.  This is the default.
.TP 8
.B \-\-root
Draw on the root window.
.TP 8
.B \-\-window\-id \fInumber\fP
Draw on the specified window.
.TP 8
.B \-\-delay \fInumber\fP
Per-frame delay, in microseconds.  Default: 20000 (0.02 seconds.).
.TP 8
.B \-\-speed \fInumber\fP
Number of frames before changing shape.  Default: 1000.
.TP 8
.B \-\-surface random \fP(Shortcut: \fB\-\-random-surface\fP)
Display a random surface.  This is the default.
.TP 8
.B \-\-surface dini \fP(Shortcut: \fB\-\-dini\fP)
Display Dini's surface.
.TP 8
.B \-\-surface enneper \fP(Shortcut: \fB\-\-enneper\fP)
Display Enneper's minimal surface.
.TP 8
.B \-\-surface kuen \fP(Shortcut: \fB\-\-kuen\fP)
Display the Kuen surface.
.TP 8
.B \-\-surface moebius \fP(Shortcut: \fB\-\-moebius\fP)
Display the Moebius strip.
.TP 8
.B \-\-surface seashell \fP(Shortcut: \fB\-\-seashell\fP)
Display the seashell surface.
.TP 8
.B \-\-surface swallowtail \fP(Shortcut: \fB\-\-swallowtail\fP)
Display the swallowtail catastrophe.
.TP 8
.B \-\-surface bohemian \fP(Shortcut: \fB\-\-bohemian\fP)
Display the Bohemian dome.
.TP 8
.B \-\-surface whitney \fP(Shortcut: \fB\-\-whitney\fP)
Display the Whitney umbrella.
.TP 8
.B \-\-surface pluecker \fP(Shortcut: \fB\-\-pluecker\fP)
Display Pluecker's conoid.
.TP 8
.B \-\-surface henneberg \fP(Shortcut: \fB\-\-henneberg\fP)
Display Henneberg's minimal surface.
.TP 8
.B \-\-surface catalan \fP(Shortcut: \fB\-\-catalan\fP)
Display Catalan's minimal surface.
.TP 8
.B \-\-surface corkscrew \fP(Shortcut: \fB\-\-corkscrew\fP)
Display the corkscrew surface.
.TP 8
.B \-\-mode random \fP(Shortcut: \fB\-\-random-mode\fP)
Use random OpenGL primitives to display the surface.  This is the
default.
.TP 8
.B \-\-mode points \fP(Shortcut: \fB\-\-points\fP)
Use OpenGL points to display the surface.
.TP 8
.B \-\-mode lines \fP(Shortcut: \fB\-\-lines\fP)
Use OpenGL lines to display the surface.
.TP 8
.B \-\-mode line-loops \fP(Shortcut: \fB\-\-line-loops\fP)
Use OpenGL line loops to display the surface.
.TP 8
.B \-\-wander | \-\-no-wander
Whether to wander around the screen.
.TP 8
.B \-\-spin | \-\-no-spin
Whether to rotate around the center of the figure.
.TP 8
.B \-\-fps
Display the current frame rate, CPU load, and polygon count.
.SH ENVIRONMENT
.PP
.TP 8
.B DISPLAY
to get the default host and display number.
.TP 8
.B XENVIRONMENT
to get the name of a resource file that overrides the global resources
stored in the RESOURCE_MANAGER property.
.TP 8
.B XSCREENSAVER_WINDOW
The window ID to use with \fI\-\-root\fP.
.SH SEE ALSO
.BR X (1),
.BR xscreensaver (1)
.SH AUTHORS
Andrey Mirtchovski, Carsten Steger