diff --git a/extensions/fablabchemnitz/parabola_2/parabola_2.inx b/extensions/fablabchemnitz/parabola_2/parabola_2.inx new file mode 100644 index 00000000..6b8c193e --- /dev/null +++ b/extensions/fablabchemnitz/parabola_2/parabola_2.inx @@ -0,0 +1,26 @@ + + + Parabola 2 + fablabchemnitz.de.parabola_2 + 200 + 25 + + + + + + + + + + all + + + + + + + + \ No newline at end of file diff --git a/extensions/fablabchemnitz/parabola_2/parabola_2.py b/extensions/fablabchemnitz/parabola_2/parabola_2.py new file mode 100644 index 00000000..efb6b7c5 --- /dev/null +++ b/extensions/fablabchemnitz/parabola_2/parabola_2.py @@ -0,0 +1,155 @@ +#!/usr/bin/env python3 +# +# 7/9/2021 - v.2.0 +# +# Copyright (C) 2021 Reginald Waters opensourcebear@nthebare.com +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program 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 General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +# +""" +This extension renders a wireframe shape and then draws lines to form a parabola +shape. + +The height and width are independently variable. The number of lines will change +the density of the end product. + +# Triangle has 3 sides and the sum of the 3 angles is 180 degrees +# (sides - 2) * 180 +# This can be 60/60/60 or 90/45/45 + +# Square has 4 sides and the sum of 4 angles is 360 degrees +# (sides - 2) * 180 +# 90/90/90/90 + +# Pentagon has 5 sides and the sum of 5 angels is 540 degrees +# (sides - 2) * 180 +# 108/108/108/108/108 +... +""" +import inkex + +from inkex import turtle as pturtle + +class Parabola2(inkex.GenerateExtension): + container_label = 'Parabola 2' + def add_arguments(self, pars): + pars.add_argument("--length", type=int, default=300, help="Side Length") + pars.add_argument("--segments", type=int, default=10, help="Number of line segments") + pars.add_argument("--shape", default="square") + + sideopts = [ + (1,2),(1,3),(1,4),(1,5),(1,6),(1,7),(1,8), + (2,3),(2,4),(2,5),(2,6),(2,7),(2,8), + (3,4),(3,5),(3,6),(3,7),(3,8), + (4,5),(4,6),(4,7),(4,8), + (5,6),(5,7),(5,8), + (6,7),(6,8), + (7,8)] + + def generate(self): + sl = self.options.length + sc = self.options.segments + shape = self.options.shape + + cp = self.svg.namedview.center # Center Point + sp = (cp[0] + (sl / 2), cp[1] + (sl / 2)) # Start Point + cords = [] + + def mapshape(sides, sl, sc, sp): + exteriorAngle = 360/sides + movement = sl / sc + tur.setpos(sp) + for i in range(sides): + sidecords = [] + tl = 0 # total length + while tl < sl: + sidecords.append(tur.getpos()) + tur.forward(movement) + tl += movement +# sidecords.append(tur.getpos()) + tur.right(exteriorAngle) + cords.append(sidecords) + return cords + + def mapcross(sl, sc, sp): + movement = sl / sc + tur.setpos(sp) + sidecords = [] + tl = 0 + tur.forward(sl) + while tl < sl: + tur.backward(movement) + sidecords.append(tur.getpos()) + tur.right(90) + + def drawshape(cords): + tur.setpos(cords[0][0]) + for i in range(len(cords)): +# tur.pd() +# tur.setpos(cords[i][-1]) +# tur.pu() + for side in range(len(cords)): + for cord in range(len(cords[0])): + if side == (len(cords) - 1): + tur.setpos(cords[side][cord]) + tur.pd() + if cord != (len(cords[0])): + tur.setpos(cords[0][cord]) + tur.pu() + else: + tur.setpos(cords[side][cord]) + tur.pd() + tur.setpos(cords[side + 1][cord]) + tur.pu() + tur.pu() + + tur = pturtle.pTurtle() + tur.pu() + + if shape == "triangle": + sides = 3 + mapshape(sides, sl, sc, sp) + drawshape(cords) + elif shape == "square": + sides = 4 + mapshape(sides, sl, sc, sp) + drawshape(cords) + elif shape == "pentagon": + sides = 5 + mapshape(sides, sl, sc, sp) + drawshape(cords) + elif shape == "hexagon": + sides = 6 + mapshape(sides, sl, sc, sp) + drawshape(cords) + elif shape == "septagon": + sides = 7 + mapshape(sides, sl, sc, sp) + drawshape(cords) + elif shape == "octagon": + sides = 8 + mapshape(sides, sl, sc, sp) + drawshape(cords) + + style = inkex.Style({ + 'stroke-linejoin': 'miter', 'stroke-width': str(self.svg.unittouu('1px')), + 'stroke-opacity': '1.0', 'fill-opacity': '1.0', + 'stroke': '#000000', 'stroke-linecap': 'butt', + 'fill': 'none' + }) + return inkex.PathElement(d=tur.getPath(), style=str(style)) + +if __name__ == "__main__": + Parabola2().run() \ No newline at end of file