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updated doc

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Justin Lin
2017-05-22 09:32:22 +08:00
parent f560cdfedf
commit b7163971e3
1 changed files with 3 additions and 3 deletions
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docs/lib-shape_arc.md
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@@ -5,7 +5,7 @@ Returns shape points of an arc shape. They can be used with xxx_extrude modules
## Parameters
- `radius` : The radius of the circle.
- `angles` : A 2 element vector which defines the central angle. The first element of the vector is the beginning angle in degrees, and the second element is the ending angle.
- `angle` : A single value or a 2 element vector which defines the central angle. The first element of the vector is the beginning angle in degrees, and the second element is the ending angle.
- `width_mode` : The default value is `"LINE_CROSS"`. The arc line will move outward by `width / 2` and inward by `width / 2`. If it's `"LINE_OUTWARD"`, The arc line moves outward by `width`. The `"LINE_INWARD"` moves the arc line inward by `width`.
- `$fa`, `$fs`, `$fn` : Check [the circle module](https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Using_the_2D_Subsystem#circle) for more details.
@@ -13,7 +13,7 @@ Returns shape points of an arc shape. They can be used with xxx_extrude modules
include <shape_arc.scad>;
shape_pts = shape_arc(radius = 10, angles = [-90, 90], width = 5);
shape_pts = shape_arc(radius = 10, angle = [-90, 90], width = 5);
polygon(shape_pts);
![shape_arc](images/lib-shape_arc-1.JPG)
@@ -27,7 +27,7 @@ Returns shape points of an arc shape. They can be used with xxx_extrude modules
t_step = 0.05;
width = 2;
shape_pts = shape_arc(radius = 10, angles = [180, 360], width = 5);
shape_pts = shape_arc(radius = 10, angle = [180, 360], width = 5);
p0 = [0, 0, 0];
p1 = [40, 60, 35];