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Enabled attachable(..., geom=)
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Garth Minette
parent
16cd2d249c
commit
1a4ac0e5d1
1 changed files with 61 additions and 45 deletions
106
attachments.scad
106
attachments.scad
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@ -1155,6 +1155,8 @@ module corner_profile(corners=CORNERS_ALL, except=[], r, d, convexity=10) {
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// attachable(anchor, spin, region=, l=|h=, [extent=], ...) {OBJECT; children();}
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// Usage: VNF Geometry
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// attachable(anchor, spin, [orient], vnf=, [extent=], ...) {OBJECT; children();}
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// Usage: Pre-Specified Geometry
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// attachable(anchor, spin, [orient], geom=) {OBJECT; children();}
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//
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// Topics: Attachments
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// See Also: reorient()
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@ -1212,6 +1214,7 @@ module corner_profile(corners=CORNERS_ALL, except=[], r, d, convexity=10) {
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// anchors = If given as a list of anchor points, allows named anchor points.
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// two_d = If true, the attachable shape is 2D. If false, 3D. Default: false (3D)
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// axis = The vector pointing along the axis of a cylinder geometry. Default: UP
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// geom = If given, uses the pre-defined (via {{attach_geom()}} geometry.
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//
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// Side Effects:
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// `$parent_anchor` is set to the parent object's `anchor` value.
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@ -1342,6 +1345,16 @@ module corner_profile(corners=CORNERS_ALL, except=[], r, d, convexity=10) {
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// polygon(path);
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// children();
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// }
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//
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// Example(NORENDER): Using Pre-defined Geometry
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// geom = atype=="perim"? attach_geom(two_d=true, path=path, extent=false) :
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// atype=="extents"? attach_geom(two_d=true, path=path, extent=true) :
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// atype=="circle"? attach_geom(two_d=true, r=r) :
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// assert(false, "Bad atype");
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// attachable(anchor, spin, orient, geom=geom) {
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// polygon(path);
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// children();
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// }
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module attachable(
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anchor, spin, orient,
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size, size2, shift,
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@ -1352,7 +1365,8 @@ module attachable(
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offset=[0,0,0],
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anchors=[],
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two_d=false,
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axis=UP
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axis=UP,
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geom
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) {
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dummy1 =
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assert($children==2, "attachable() expects exactly two children; the shape to manage, and the union of all attachment candidates.")
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@ -1365,7 +1379,7 @@ module attachable(
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region = !is_undef(region)? region :
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!is_undef(path)? [path] :
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undef;
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geom = _attach_geom(
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geom = is_def(geom)? geom : attach_geom(
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size=size, size2=size2, shift=shift,
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r=r, r1=r1, r2=r2, h=h,
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d=d, d1=d1, d2=d2, l=l,
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@ -1492,6 +1506,7 @@ function reorient(
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anchors=[],
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two_d=false,
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axis=UP,
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geom,
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p=undef
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) =
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assert(is_undef(anchor) || is_vector(anchor) || is_string(anchor), str("Got: ",anchor))
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@ -1505,8 +1520,9 @@ function reorient(
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!is_undef(path)? [path] :
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undef
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)
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(anchor==CENTER && spin==0 && orient==UP && p!=undef)? p : let(
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geom = _attach_geom(
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(anchor==CENTER && spin==0 && orient==UP && p!=undef)? p :
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let(
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geom = is_def(geom)? geom : attach_geom(
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size=size, size2=size2, shift=shift,
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r=r, r1=r1, r2=r2, h=h,
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d=d, d1=d1, d2=d2, l=l,
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@ -1534,37 +1550,29 @@ function reorient(
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function named_anchor(name, pos, orient=UP, spin=0) = [name, pos, orient, spin];
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// Attachment internal functions
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/// Internal Function: _attach_geom()
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// Function: attach_geom()
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//
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// Usage: Square/Trapezoid Geometry
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// geom = _attach_geom(two_d=true, size=, [size2=], [shift=], ...);
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// geom = attach_geom(two_d=true, size=, [size2=], [shift=], ...);
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// Usage: Circle/Oval Geometry
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// geom = _attach_geom(two_d=true, r=|d=, ...);
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// geom = attach_geom(two_d=true, r=|d=, ...);
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// Usage: 2D Path/Polygon/Region Geometry
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// geom = _attach_geom(two_d=true, region=, [extent=], ...);
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// geom = attach_geom(two_d=true, region=, [extent=], ...);
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// Usage: Cubical/Prismoidal Geometry
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// geom = _attach_geom(size=, [size2=], [shift=], ...);
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// geom = attach_geom(size=, [size2=], [shift=], ...);
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// Usage: Cylindrical Geometry
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// geom = _attach_geom(r=|d=, l=|h=, [axis=], ...);
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// geom = attach_geom(r=|d=, l=|h=, [axis=], ...);
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// Usage: Conical Geometry
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// geom = _attach_geom(r1|d1=, r2=|d2=, l=, [axis=], ...);
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// geom = attach_geom(r1|d1=, r2=|d2=, l=, [axis=], ...);
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// Usage: Spheroid/Ovoid Geometry
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// geom = _attach_geom(r=|d=, ...);
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// geom = attach_geom(r=|d=, ...);
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// Usage: Extruded 2D Path/Polygon/Region Geometry
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// geom = _attach_geom(region=, l=|h=, [extent=], ...);
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// geom = attach_geom(region=, l=|h=, [extent=], ...);
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// Usage: VNF Geometry
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// geom = _attach_geom(vnf=, [extent=], ...);
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// geom = attach_geom(vnf=, [extent=], ...);
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//
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/// Topics: Attachments
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/// See Also: reorient(), attachable()
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// Topics: Attachments
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// See Also: reorient(), attachable()
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//
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// Description:
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// Given arguments that describe the geometry of an attachable object, returns the internal geometry description.
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@ -1592,69 +1600,69 @@ function named_anchor(name, pos, orient=UP, spin=0) = [name, pos, orient, spin];
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// axis = The vector pointing along the axis of a cylinder geometry. Default: UP
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//
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// Example(NORENDER): Cubical Shape
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// geom = _attach_geom(size=size);
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// geom = attach_geom(size=size);
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//
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// Example(NORENDER): Prismoidal Shape
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// geom = _attach_geom(
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// geom = attach_geom(
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// size=point3d(botsize,h),
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// size2=topsize, shift=shift
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// );
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//
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// Example(NORENDER): Cylindrical Shape, Z-Axis Aligned
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// geom = _attach_geom(r=r, h=h);
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// geom = attach_geom(r=r, h=h);
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//
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// Example(NORENDER): Cylindrical Shape, Y-Axis Aligned
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// geom = _attach_geom(r=r, h=h, axis=BACK);
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// geom = attach_geom(r=r, h=h, axis=BACK);
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//
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// Example(NORENDER): Cylindrical Shape, X-Axis Aligned
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// geom = _attach_geom(r=r, h=h, axis=RIGHT);
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// geom = attach_geom(r=r, h=h, axis=RIGHT);
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//
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// Example(NORENDER): Conical Shape, Z-Axis Aligned
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// geom = _attach_geom(r1=r1, r2=r2, h=h);
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// geom = attach_geom(r1=r1, r2=r2, h=h);
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//
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// Example(NORENDER): Conical Shape, Y-Axis Aligned
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// geom = _attach_geom(r1=r1, r2=r2, h=h, axis=BACK);
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// geom = attach_geom(r1=r1, r2=r2, h=h, axis=BACK);
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//
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// Example(NORENDER): Conical Shape, X-Axis Aligned
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// geom = _attach_geom(r1=r1, r2=r2, h=h, axis=RIGHT);
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// geom = attach_geom(r1=r1, r2=r2, h=h, axis=RIGHT);
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//
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// Example(NORENDER): Spherical Shape
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// geom = _attach_geom(r=r);
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// geom = attach_geom(r=r);
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//
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// Example(NORENDER): Ovoid Shape
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// geom = _attach_geom(r=[r_x, r_y, r_z]);
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// geom = attach_geom(r=[r_x, r_y, r_z]);
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//
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// Example(NORENDER): Arbitrary VNF Shape, Anchored by Extents
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// geom = _attach_geom(vnf=vnf);
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// geom = attach_geom(vnf=vnf);
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//
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// Example(NORENDER): Arbitrary VNF Shape, Anchored by Intersection
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// geom = _attach_geom(vnf=vnf, extent=false);
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// geom = attach_geom(vnf=vnf, extent=false);
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//
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// Example(NORENDER): 2D Rectangular Shape
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// geom = _attach_geom(two_d=true, size=size);
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// geom = attach_geom(two_d=true, size=size);
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//
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// Example(NORENDER): 2D Trapezoidal Shape
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// geom = _attach_geom(two_d=true, size=[x1,y], size2=x2, shift=shift);
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// geom = attach_geom(two_d=true, size=[x1,y], size2=x2, shift=shift);
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//
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// Example(NORENDER): 2D Circular Shape
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// geom = _attach_geom(two_d=true, r=r);
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// geom = attach_geom(two_d=true, r=r);
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//
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// Example(NORENDER): 2D Oval Shape
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// geom = _attach_geom(two_d=true, r=[r_x, r_y]);
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// geom = attach_geom(two_d=true, r=[r_x, r_y]);
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//
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// Example(NORENDER): Arbitrary 2D Region Shape, Anchored by Extents
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// geom = _attach_geom(two_d=true, region=region);
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// geom = attach_geom(two_d=true, region=region);
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//
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// Example(NORENDER): Arbitrary 2D Region Shape, Anchored by Intersection
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// geom = _attach_geom(two_d=true, region=region, extent=false);
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// geom = attach_geom(two_d=true, region=region, extent=false);
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//
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// Example(NORENDER): Extruded Region, Anchored by Extents
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// geom = _attach_geom(region=region, l=height);
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// geom = attach_geom(region=region, l=height);
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//
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// Example(NORENDER): Extruded Region, Anchored by Intersection
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// geom = _attach_geom(region=region, l=length, extent=false);
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// geom = attach_geom(region=region, l=length, extent=false);
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//
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function _attach_geom(
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function attach_geom(
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size, size2, shift,
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r,r1,r2, d,d1,d2, l,h,
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vnf, region,
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@ -1738,6 +1746,14 @@ function _attach_geom(
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// Attachment internal functions
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/// Internal Function: _attach_geom_2d()
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// Usage:
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// bool = _attach_geom_2d(geom);
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