parametric SciMax Toolbox parse_string

SciMax Toolbox >> parametric_surface

parametric_surface

Maxima Graphic object

Calling Sequence

parametric_surface (xfun,yfun,zfun,par1,par1min,par1max,par2,par2min,par2max)

Description

Draws parametric surfaces in 3D.

3D

parametric_surface (xfun,yfun,zfun,par1,par1min,par1max,par2,par2min,par2max) plots parametric surface [xfun,yfun,zfun], with parameter par1 taking values from par1min to par1max and parameter par2 taking values from par2min to par2max.

This object is affected by the following graphic options: xu_grid, yv_grid, line_type, key and color.

Example:

(%i1) load(draw)$
(%i2) draw3d(title          = "Sea shell",
             xu_grid        = 100,
             yv_grid        = 25,
             rot_vertical   = 100,
             rot_horizontal = 20,
             surface_hide   = true,
             parametric_surface(0.5*u*cos(u)*(cos(v)+1),
                           0.5*u*sin(u)*(cos(v)+1),
                           u*sin(v) - ((u+3)/8*%pi)^2 - 20,
                           u, 0, 13*%pi, v, -%pi, %pi) )$
parametric SciMax Toolbox parse_string