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omdl
v0.9.5
OpenSCAD Mechanical Design Library
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omdl
v0.9.5
OpenSCAD Mechanical Design Library
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Polygon shapes, conversions, properties, and tests functions. More...
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Functions | |
Shapes | |
| function | polygon_regular_p (n, r, a, c=origin2d, o=0, vr, cw=true) |
| Compute coordinates for an n-sided regular polygon in 2D. More... | |
| function | polygon_line_p (p1=origin2d, p2=x_axis2d_uv, l, x, y, r, fs, ft, fn=1) |
| Compute coordinates along a line in 2D. More... | |
| function | polygon_arc_p (r=1, c=origin2d, v1=x_axis2d_uv, v2=x_axis2d_uv, fn, cw=true) |
| Compute coordinates of an arc with constant radius between two vectors in 2D. More... | |
| function | polygon_elliptical_sector_p (r=1, c=origin2d, v1=x_axis2d_uv, v2=x_axis2d_uv, s=true, fn, cw=true) |
| Compute coordinates for an elliptical sector in 2D. More... | |
| function | polygon_trapezoid_p (b=1, h, l=1, a=90, o=origin2d, cw=true) |
| Compute the coordinates for a rounded trapezoid in 2D space. More... | |
Properties | |
| function | polygon_regular_perimeter (n, r, a) |
| Compute the perimeter of an n-sided regular polygon in 2D. More... | |
| function | polygon_regular_area (n, r, a) |
| Compute the area of an n-sided regular polygon in 2D. More... | |
| function | polygon_perimeter (c, p) |
| Calculate the perimeter length of a polygon in 2d. More... | |
| function | polygon_area (c, p, s=false) |
| Compute the signed area of a polygon in a Euclidean 2d-space. More... | |
| function | polygon3d_area (c, p, n) |
| Compute the area of a polygon in a Euclidean 3d-space. More... | |
| function | polygon_centroid (c, p) |
| Compute the center of mass of a polygon in a Euclidean 2d-space. More... | |
| function | polygon_winding (c, p, t) |
| Compute the winding number of a polygon about a point in a Euclidean 2d-space. More... | |
Tests | |
| function | polygon_is_clockwise (c, p) |
| Test the vertex ordering of a polygon in a Euclidean 2d-space. More... | |
| function | polygon_is_convex (c, p) |
| Test the convexity of a polygon in a Euclidean 2d-space. More... | |
| function | polygon_wn_is_p_inside (c, p, t) |
| Test if a point is inside a polygon in a Euclidean 2d-space using winding number. More... | |
| function | polygon_as_is_p_inside (c, p, t) |
| Test if a point is inside a polygon in a Euclidean 2d-space using angle summation. More... | |
Transforms | |
| function | polygon_linear_extrude_pf (c, p, h=1, centroid=false, center=false) |
| Convert a polygon in 2D to a polyhedron by adding a height dimension. More... | |
Rounding | |
| function | polygon_round_eve_p (r=1, m=1, c=origin2d, v1=x_axis2d_uv, v2=y_axis2d_uv, fn, cw=true) |
| Compute coordinates for a constant radius vertex round between two edge vectors in 2D. More... | |
| function | polygon_round_eve_all_p (c, vr=0, vrm=1, vfn, w=true, cw=true) |
| Compute coordinates that round all of the vertices between each adjacent edges in 2D. More... | |
Interpreter | |
| function | polygon_turtle_p (s, i=origin2d, c=0) |
| Generate list of coordinate points from simple operation step notation. More... | |
Polygon shapes, conversions, properties, and tests functions.
This file is part of omdl, an OpenSCAD mechanical design library.
The omdl is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
The omdl is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with the omdl; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA; or see http://www.gnu.org/licenses/.
Definition in file polygon.scad.