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Merge pull request #186 from adrianVmariano/master

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round_corners tweak to move $fn deeper into calls add refine option to subdivide_path
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Revar Desmera
2020-06-20 09:57:38 -07:00
committed by GitHub
parent 1f7e1f5d0d 66ec3ec6c0
commit 48e0e90f85
2 changed files with 9 additions and 6 deletions
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6
paths.scad
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@@ -1167,7 +1167,7 @@ function _sum_preserving_round(data, index=0) =
// Function: subdivide_path() // Function: subdivide_path()
// Usage: // Usage:
// newpath = subdivide_path(path, N, method); // newpath = subdivifde_path(path, [N|refine], method);
// Description: // Description:
// Takes a path as input (closed or open) and subdivides the path to produce a more // Takes a path as input (closed or open) and subdivides the path to produce a more
// finely sampled path. The new points can be distributed proportional to length // finely sampled path. The new points can be distributed proportional to length
@@ -1220,9 +1220,11 @@ function _sum_preserving_round(data, index=0) =
// Example(FlatSpin): Three-dimensional paths also work // Example(FlatSpin): Three-dimensional paths also work
// mypath = subdivide_path([[0,0,0],[2,0,1],[2,3,2]], 12); // mypath = subdivide_path([[0,0,0],[2,0,1],[2,3,2]], 12);
// move_copies(mypath)sphere(r=.1,$fn=32); // move_copies(mypath)sphere(r=.1,$fn=32);
function subdivide_path(path, N, closed=true, exact=true, method="length") = function subdivide_path(path, N, refine, closed=true, exact=true, method="length") =
assert(is_path(path)) assert(is_path(path))
assert(method=="length" || method=="segment") assert(method=="length" || method=="segment")
assert(num_defined([N,refine]),"Must give exactly one of N and refine")
let(N = first_defined([N,len(path)*refine]))
assert((is_num(N) && N>0) || is_vector(N),"Parameter N to subdivide_path must be postive number or vector") assert((is_num(N) && N>0) || is_vector(N),"Parameter N to subdivide_path must be postive number or vector")
let( let(
count = len(path) - (closed?0:1), count = len(path) - (closed?0:1),

9
rounding.scad
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@@ -94,10 +94,11 @@ include <structs.scad>
// verbose = if true display rounding scale factors that show how close roundovers are to overlapping. Default: false // verbose = if true display rounding scale factors that show how close roundovers are to overlapping. Default: false
// //
// Example(Med2D): Standard circular roundover with radius the same at every point. Compare results at the different corners. // Example(Med2D): Standard circular roundover with radius the same at every point. Compare results at the different corners.
// $fn=36; include<BOSL2/std.scad>
// shape = [[0,0], [10,0], [15,12], [6,6], [6, 12], [-3,7]]; $fn=36;
// polygon(round_corners(shape, radius=1)); shape = [[0,0], [10,0], [15,12], [6,6], [6, 12], [-3,7]];
// color("red") down(.1) polygon(shape); polygon(round_corners(shape, radius=1));
color("red") down(.1) polygon(shape);
// Example(Med2D): Circular roundover using the "cut" specification, the same at every corner. // Example(Med2D): Circular roundover using the "cut" specification, the same at every corner.
// $fn=36; // $fn=36;
// shape = [[0,0], [10,0], [15,12], [6,6], [6, 12], [-3,7]]; // shape = [[0,0], [10,0], [15,12], [6,6], [6, 12], [-3,7]];