110 lines
3.9 KiB
Python
110 lines
3.9 KiB
Python
# Copyright (C) 2013-2014 Florian Festi
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from boxes import *
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class SevenSegmentPattern(Boxes):
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"""Holepatterns and walls for a seven segment digit"""
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description = """This pattern is indented to be used with a LED stripe that is wound through all segments in an S pattern while the stripe being upright on its side. It can also be used with small pieces of LED stripes connected with short wires for large enough sizes.
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"""
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ui_group = "Holes"
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def __init__(self):
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Boxes.__init__(self)
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self.addSettingsArgs(edges.FingerJointSettings)
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self.argparser.add_argument(
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"--digit", action="store", type=float, default=100.0,
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help="height of the digit (without walls) in mm")
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self.argparser.add_argument(
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"--h", action="store", type=float, default=20.0,
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help="height separation walls in mm")
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@restore
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@holeCol
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def segment(self, l, w):
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w2 = w * 2**0.5
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self.moveTo(0, 0, 45)
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self.polyline(w2, -45, l-2*w, -45, w2, -90, w2, -45,
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l-2*w, -45, w2, -90)
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@restore
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def seven_segments(self, x):
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t = self.thickness
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l = 0.4 * x
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w = 0.05 * x
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d = 0.05 * x
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width = l + 2*w + d # 0.55 * x
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#self.rectangularHole(width/2, x/2, width, x)
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for px in [w/2 + d/2 , w/2 + l + 1.5*d]:
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for py in [w + d/2, w + l + 1.5*d]:
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with self.saved_context():
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self.moveTo(px, py, 90)
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self.segment(l, w)
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for i in range(3):
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with self.saved_context():
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self.moveTo(w/2 + d, w + i*(l+d))
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self.segment(l, w)
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def seven_segment_holes(self, x):
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t = self.thickness
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l = 0.4 * x
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w = 0.05 * x
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d = 0.05 * x
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width = l + 2*w + d
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for i in range(2):
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self.fingerHolesAt(t/4*2**.5, x/2+w-t/4*2**.5,
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2**0.5*(width-t) - t/2, -45)
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self.fingerHolesAt(t, t, 2**0.5* (.55*x/2 - t) - t/2, 45)
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self.fingerHolesAt(width/2 + t/2**.5/2,
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width/2 + t/2**.5/2,
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2**0.5*(l/2+d/2) - 1.5*t, 45)
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self.fingerHolesAt(-t/2, x/2 + 0.25*t, x/2 - 0.25*t, 90)
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self.fingerHolesAt(-t/2, 0, x/2 - 0.25*t, 90)
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self.fingerHolesAt(-t, -t/2, l + 2*w + d + 2*t, 0)
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self.moveTo(width, x, 180)
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def seven_segment_separators(self, x, h, n=1):
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t = self.thickness
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l = 0.4 * x
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w = 0.05 * x
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d = 0.05 * x
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width = l + 2*w + d # 0.55 * x
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for length in (
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2**0.5*(width-t) - t/2,
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2**0.5* x/4 - t,
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2**0.5*(l/2+d/2) - 1.5*t,
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x/2 - 0.25*t,
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x/2 - 0.25*t,
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l + 2*w + d + 2*t,):
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self.partsMatrix(2*n, 1, "right",
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self.rectangularWall, length, h, "feee")
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def render(self):
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digit, h = self.digit, self.h
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t = self.thickness
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self.seven_segments(digit)
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self.moveTo(0.55*digit+self.spacing+t, t)
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#self.seven_segments(digit)
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self.seven_segment_holes(digit)
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self.moveTo(0.55*digit+self.spacing+t, -t)
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self.seven_segment_separators(digit, h)
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