crackberg(1): Lose your way wandering some ...

NAME

-root: Draw on the root window.
-window: Draw on a newly-created window. This is the default.
-install: Install a private colormap for the window.
-visual visual: 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.
-delay microseconds: Delay between frames; default 20000 (1/50th of a second).
-fps: Display frame per second and polygon counts.
-crack: Use all possible methods to animate tile instantiation.
-boring: Do not animate instatiation at all; use this to get standard landscape generator behavior.
-letterbox: Drawable window region has a 16:9 aspect ratio, regardless of actual window size.
-lit: Enable lighting.
-flat: Flat shading (OpenGL will use one color per primitive, rather than interpolating betwixt vertices).
-wire: Wireframe.
-nowater: Do not display 'water' (forces negative values to zero, and selects a different coloring method).
-visibility float: Value in range [0.2,1.0] (default 0.6) specifying proportion of viewable XY plane which is to be drawn upon.
-color string: Selects color scheme. Use with no or bogus argument for current list.
-nsubdivs integer: Number of times to recursively subdivide each triangular tile. Each increment increases total triangles by a factor of 4; for instance the default setting 4 results in 256 triangles per tile.

DISPLAY: to get the default host and display number.
XENVIRONMENT: to get the name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property.