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point_in_polygon removed closed option from code, fix docs

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Adrian Mariano 2021-09-27 18:10:20 -04:00
parent c15ff24edd
commit b7c5b789b7
1 changed files with 6 additions and 6 deletions
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12
geometry.scad
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@ -1471,7 +1471,7 @@ function polygon_normal(poly) =
// color("red")back(28/(2/3))text("Even-Odd", size=5/(2/3), halign="center"); // color("red")back(28/(2/3))text("Even-Odd", size=5/(2/3), halign="center");
// } // }
// right(40){ // right(40){
// dp = polygon_parts(path,closed=true); // dp = polygon_parts(path,nonzero=true);
// region(dp); // region(dp);
// color("red"){stroke(path,width=1,closed=true); // color("red"){stroke(path,width=1,closed=true);
// back(28/(2/3))text("Nonzero", size=5/(2/3), halign="center"); // back(28/(2/3))text("Nonzero", size=5/(2/3), halign="center");
@ -1482,7 +1482,7 @@ function polygon_normal(poly) =
// poly = The list of 2D points forming the perimeter of the polygon. // poly = The list of 2D points forming the perimeter of the polygon.
// nonzero = The rule to use: true for "Nonzero" rule and false for "Even-Odd". Default: false (Even-Odd) // nonzero = The rule to use: true for "Nonzero" rule and false for "Even-Odd". Default: false (Even-Odd)
// eps = Tolerance in geometric comparisons. Default: `EPSILON` (1e-9) // eps = Tolerance in geometric comparisons. Default: `EPSILON` (1e-9)
// Example(2D): With nonzero set to true, we get this result. Green dots are inside the polygon and red are outside: // Example(2D): With nonzero set to false (the default), we get this result. Green dots are inside the polygon and red are outside:
// a=20*2/3; // a=20*2/3;
// b=30*2/3; // b=30*2/3;
// ofs = 17*2/3; // ofs = 17*2/3;
@ -1496,9 +1496,9 @@ function polygon_normal(poly) =
// pts = [[0,0],[10,0],[0,20]]; // pts = [[0,0],[10,0],[0,20]];
// for(p=pts){ // for(p=pts){
// color(point_in_polygon(p,path)==1 ? "green" : "red") // color(point_in_polygon(p,path)==1 ? "green" : "red")
// move(p)circle(r=1, $fn=12); // move(p)circle(r=1.5, $fn=12);
// } // }
// Example(2D): With nonzero set to false, one dot changes color: // Example(2D): With nonzero set to true, one dot changes color:
// a=20*2/3; // a=20*2/3;
// b=30*2/3; // b=30*2/3;
// ofs = 17*2/3; // ofs = 17*2/3;
@ -1511,8 +1511,8 @@ function polygon_normal(poly) =
// stroke(path,closed=true); // stroke(path,closed=true);
// pts = [[0,0],[10,0],[0,20]]; // pts = [[0,0],[10,0],[0,20]];
// for(p=pts){ // for(p=pts){
// color(point_in_polygon(p,path,nonzero=false)==1 ? "green" : "red") // color(point_in_polygon(p,path,nonzero=true)==1 ? "green" : "red")
// move(p)circle(r=1, $fn=12); // move(p)circle(r=1.5, $fn=12);
// } // }
// Internal function for point_in_polygon // Internal function for point_in_polygon