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bug fixes

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This commit is contained in:
Adrian Mariano 2022-05-15 11:47:44 -04:00
parent 174fb02e2b
commit 0007f1286c
2 changed files with 18 additions and 4 deletions
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14
strings.scad
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@ -332,6 +332,20 @@ function upcase(str) =
str_join([for(char=str) let(code=ord(char)) code>=97 && code<=122 ? chr(code-32) : char]); str_join([for(char=str) let(code=ord(char)) code>=97 && code<=122 ? chr(code-32) : char]);
// Section: Random strings
// Function: rand_str()
// Usage:
// str = rand_str(n, [charset], [seed]);
// Description:
// Produce a random string of length `n`. If you give a string `charset` then the
// characters of the random string are drawn from that list, weighted by the number
// of times each character appears in the list. If you do not give a character set
// then the string is generated with characters ranging from 0 to z (based on
// character code).
function rand_str(n, charset, seed) =
is_undef(charset)? str_join([for(c=rand_int(48,122,n,seed)) chr(c)])
: str_join([for(i=rand_int(0,len(charset)-1,n,seed)) charset[i]]);

8
tutorials/Attachments.md
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@ -445,14 +445,14 @@ tag("keep")cube(100, center=true)
``` ```
If you need to mark multiple children with a tag, you can use the `tags()` module. If you need to mark multiple children with a tag, you can use the `tag()` module.
```openscad-3D ```openscad-3D
include <BOSL2/std.scad> include <BOSL2/std.scad>
diff("hole") diff("hole")
cube(100, center=true) cube(100, center=true)
attach([FRONT,TOP], overlap=20) attach([FRONT,TOP], overlap=20)
tags("hole") { tag("hole") {
cylinder(h=20.1, d1=0, d2=95); cylinder(h=20.1, d1=0, d2=95);
down(10) cylinder(h=30, d=30); down(10) cylinder(h=30, d=30);
} }
@ -475,14 +475,14 @@ Some notable non-attachable modules are `text()`, `linear_extrude()`, `rotate_ex
`intersection()`, `offset()`, `hull()`, and `minkowski()`. `intersection()`, `offset()`, `hull()`, and `minkowski()`.
To allow you to use tags-based operations with non-attachable shapes, you can wrap them with the To allow you to use tags-based operations with non-attachable shapes, you can wrap them with the
`force_tags()` module to specify their tags. For example: `force_tag()` module to specify their tags. For example:
```openscad-3D ```openscad-3D
include <BOSL2/std.scad> include <BOSL2/std.scad>
diff("hole") diff("hole")
cuboid(50) cuboid(50)
attach(TOP) attach(TOP)
force_tags("hole") force_tag("hole")
rotate_extrude() rotate_extrude()
right(15) right(15)
square(10,center=true); square(10,center=true);