constants.scad File Reference

Constant definitions. More...

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Variables
	eps = 0.001
	<decimal> Epsilon, small distance to deal with overlapping shapes.
	pi = 3.14159265358979323
	<decimal> The ratio of a circle's circumference to its diameter.
	tau = 2*pi
	<decimal> The ratio of a circle's circumference to its radius.
	phi = (1 + sqrt(5)) / 2
	<decimal> The golden ratio.
	number_max = 1e308
	<decimal> The largest representable number in OpenSCAD scripts.
	number_min = -1e308
	<decimal> The smallest representable number in OpenSCAD scripts.
	number_inf = 1/0
	The OpenSCAD inf value (infinity).
	number_nan = 0/0
	The OpenSCAD nan value (not a number).
	empty_str = ""
	<string> A string with no characters (the empty string).
	empty_lst = []
	<list> A list with no values (the empty list).
	grid_coarse = 0.001
	OpenSCAD coarse grid limit.
	grid_fine = 0.000001
	OpenSCAD fine grid limit.
	x_axis_ci = 0
	<integer> The coordinate axis index for the Euclidean space x-axis.
	y_axis_ci = 1
	<integer> The coordinate axis index for the Euclidean space y-axis.
	z_axis_ci = 2
	<integer> The coordinate axis index for the Euclidean space z-axis.
	zero2d = [0, 0]
	<decimal-list-2> A 2d zero vector (a list with two zeros).
	origin2d = [0, 0]
	<point-2d> The origin point coordinate in 2d Euclidean space.
	x_axis2d_uv = [1, 0]
	<vector-2d> The unit vector of the positive x-axis in 2d Euclidean space.
	y_axis2d_uv = [0, 1]
	<vector-2d> The unit vector of the positive y-axis in 2d Euclidean space.
	x_axis2d_ul = [-x_axis2d_uv, +x_axis2d_uv]
	<line-2d> A positively-directed unit line centered on the x-axis in 2d Euclidean space.
	y_axis2d_ul = [-y_axis2d_uv, +y_axis2d_uv]
	<line-2d> A positively-directed unit line centered on the y-axis in 2d Euclidean space.
	zero3d = [0, 0, 0]
	<decimal-list-2> A 3d zero vector (a list with three zeros).
	origin3d = [0, 0, 0]
	<point-3d> The origin point coordinate in 3-dimensional Euclidean space.
	x_axis3d_uv = [1, 0, 0]
	<vector-3d> The unit vector of the positive x-axis in 3d Euclidean space.
	y_axis3d_uv = [0, 1, 0]
	<vector-3d> The unit vector of the positive y-axis in 3d Euclidean space.
	z_axis3d_uv = [0, 0, 1]
	<vector-3d> The unit vector of the positive z-axis in 3d Euclidean space.
	x_axis3d_ul = [-x_axis3d_uv, +x_axis3d_uv]
	<line-3d> A positively-directed unit line centered on the x-axis in 3d Euclidean space.
	y_axis3d_ul = [-y_axis3d_uv, +y_axis3d_uv]
	<line-3d> A positively-directed unit line centered on the y-axis in 3d Euclidean space.
	z_axis3d_ul = [-z_axis3d_uv, +z_axis3d_uv]
	<line-3d> A positively-directed unit line centered on the z-axis in 3d Euclidean space.
	xy_plane_on = [origin3d, z_axis3d_uv]
	<plane> The right-handed xy plane centered at the origin with normal vector.
	yz_plane_on = [origin3d, x_axis3d_uv]
	<plane> The right-handed yz plane centered at the origin with normal vector.
	zx_plane_on = [origin3d, y_axis3d_uv]
	<plane> The right-handed zx plane centered at the origin with normal vector.
	xy_plane_os = [origin3d, [for (r=[[1,1],[1,-1],[-1,-1],[-1,1]]) [r[0],r[1],0]]]
	<plane> The right-handed xy plane centered at the origin with coplanar unit square points.
	yz_plane_os = [origin3d, [for (r=[[1,1],[1,-1],[-1,-1],[-1,1]]) [0,r[0],r[1]]]]
	<plane> The right-handed yz plane centered at the origin with coplanar unit square points.
	zx_plane_os = [origin3d, [for (r=[[1,1],[1,-1],[-1,-1],[-1,1]]) [r[1],0,r[0]]]]
	<plane> The right-handed zx plane centered at the origin with coplanar unit square points.

Detailed Description

Constant definitions.

Author

Roy Allen Sutton

Date

2015-2018

Copyright

This file is part of omdl, an OpenSCAD mechanical design library.

The omdl is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

The omdl is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with the omdl; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA; or see http://www.gnu.org/licenses/.

Definition in file constants.scad.