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make tag_diff() and similar functions default to no tag

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Adrian Mariano 2024-11-03 07:11:57 -05:00
parent aa8b06c346
commit c3ca921f28
1 changed files with 12 additions and 14 deletions
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attachments.scad
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@ -12,8 +12,6 @@
// FileFootnotes: STD=Included in std.scad
//////////////////////////////////////////////////////////////////////
include<structs.scad>
// Default values for attachment code.
$tags=undef; // for backward compatibility
$tag = "";
@ -1487,7 +1485,7 @@ module diff(remove="remove", keep="keep")
// Topics: Attachments
// See Also: tag(), force_tag(), recolor(), show_only(), hide(), diff(), intersect(), tag_intersect()
// Usage:
// tag_diff(tag, [remove], [keep]) PARENT() CHILDREN;
// tag_diff([tag], [remove], [keep]) PARENT() CHILDREN;
// Description:
// Perform a differencing operation in the manner of {{diff()}} using tags to control what happens,
// and then tag the resulting difference object with the specified tag. This forces the specified
@ -1497,7 +1495,7 @@ module diff(remove="remove", keep="keep")
// .
// For a step-by-step explanation of attachments, see the [Attachments Tutorial](Tutorial-Attachments).
// Arguments:
// tag = Tag string to apply to this difference object
// tag = Tag string to apply to this difference object. Default: `""` (no tag)
// remove = String containing space delimited set of tag names of children to difference away. Default: `"remove"`
// keep = String containing space delimited set of tag names of children to keep; that is, to union into the model after differencing is completed. Default: `"keep"`
// Side Effects:
@ -1534,7 +1532,7 @@ module diff(remove="remove", keep="keep")
// cyl(r=7,h=7)
// tag("remove")cyl(r=6,h=8)
// tag("keep")cyl(r=5,h=9);
module tag_diff(tag,remove="remove", keep="keep")
module tag_diff(tag="",remove="remove", keep="keep")
{
req_children($children);
assert(is_string(remove),"remove must be a string of tags");
@ -1630,7 +1628,7 @@ module intersect(intersect="intersect",keep="keep")
// Topics: Attachments
// See Also: tag(), force_tag(), recolor(), show_only(), hide(), diff(), tag_diff(), intersect()
// Usage:
// tag_intersect(tag, [intersect], [keep]) PARENT() CHILDREN;
// tag_intersect([tag], [intersect], [keep]) PARENT() CHILDREN;
// Description:
// Perform an intersection operation in the manner of {{intersect()}} using tags to control what happens,
// and then tag the resulting difference object with the specified tag. This forces the specified
@ -1640,7 +1638,7 @@ module intersect(intersect="intersect",keep="keep")
// .
// For a step-by-step explanation of attachments, see the [Attachments Tutorial](Tutorial-Attachments).
// Arguments:
// tag = Tag to set for the intersection
// tag = Tag to set for the intersection. Default: `""` (no tag)
// intersect = String containing space delimited set of tag names of children to intersect. Default: "intersect"
// keep = String containing space delimited set of tag names of children to keep whole. Default: "keep"
// Side Effects:
@ -1663,7 +1661,7 @@ module intersect(intersect="intersect",keep="keep")
// tag("intersect")position(RIGHT) cyl(r=7,h=10);
// tag("keep")position(LEFT)cyl(r=4,h=10);
// }
module tag_intersect(tag,intersect="intersect",keep="keep")
module tag_intersect(tag="",intersect="intersect",keep="keep")
{
assert(is_string(intersect),"intersect must be a string of tags");
assert(is_string(keep),"keep must be a string of tags");
@ -1725,7 +1723,7 @@ module conv_hull(keep="keep")
// Topics: Attachments
// See Also: tag(), recolor(), show_only(), hide(), diff(), intersect()
// Usage:
// tag_conv_hull(tag, [keep]) CHILDREN;
// tag_conv_hull([tag], [keep]) CHILDREN;
// Description:
// Perform a convex hull operation in the manner of {{conv_hull()}} using tags to control what happens,
// and then tag the resulting hull object with the specified tag. This forces the specified
@ -1735,6 +1733,7 @@ module conv_hull(keep="keep")
// .
// For a step-by-step explanation of attachments, see the [Attachments Tutorial](Tutorial-Attachments).
// Arguments:
// tag = Tag string to apply to this convex hull object. Default: `""` (no tag)
// keep = String containing space delimited set of tag names of children to keep out of the hull. Default: "keep"
// Side Effects:
// Sets `$tag` to the tag you specify, possibly with a scope prefix.
@ -1756,7 +1755,7 @@ module conv_hull(keep="keep")
// tag("keep")position(FRONT+LEFT)cyl(r=4,h=10);
// }
// }
module tag_conv_hull(tag,keep="keep")
module tag_conv_hull(tag="",keep="keep")
{
req_children($children);
assert(is_string(keep),"keep must be a string of tags");
@ -1839,7 +1838,6 @@ module hide_this()
children();
}
// Module: show_only()
// Synopsis: Show only the children with the listed tags.
// See Also: tag(), recolor(), show_all(), show_int(), diff(), intersect()
@ -3102,9 +3100,9 @@ module attachable(
// .
// If `$attach_to` is defined, as a consequence of `attach(from,to)`, then
// the following transformations are performed in order:
// * Translates this part so it's anchor position matches the parent's anchor position.
// * Rotates this part so it's anchor direction vector exactly opposes the parent's anchor direction vector.
// * Rotates this part so it's anchor spin matches the parent's anchor spin.
// * Translates this part so its anchor position matches the parent's anchor position.
// * Rotates this part so its anchor direction vector exactly opposes the parent's anchor direction vector.
// * Rotates this part so its anchor spin matches the parent's anchor spin.
// .
// For a step-by-step explanation of attachments, see the [Attachments Tutorial](Tutorial-Attachments).
//