# Copyright (C) 2013-2014 Florian Festi
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
from boxes import *
[docs]
class SevenSegmentPattern(Boxes):
"""Holepatterns and walls for a seven segment digit"""
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.
"""
ui_group = "Holes"
def __init__(self):
Boxes.__init__(self)
self.addSettingsArgs(edges.FingerJointSettings)
self.argparser.add_argument(
"--digit", action="store", type=float, default=100.0,
help="height of the digit (without walls) in mm")
self.argparser.add_argument(
"--h", action="store", type=float, default=20.0,
help="height separation walls in mm")
@restore
@holeCol
def segment(self, l, w):
w2 = w * 2**0.5
self.moveTo(0, 0, 45)
self.polyline(w2, -45, l-2*w, -45, w2, -90, w2, -45,
l-2*w, -45, w2, -90)
@restore
def seven_segments(self, x):
t = self.thickness
l = 0.4 * x
w = 0.05 * x
d = 0.05 * x
width = l + 2*w + d # 0.55 * x
#self.rectangularHole(width/2, x/2, width, x)
for px in [w/2 + d/2 , w/2 + l + 1.5*d]:
for py in [w + d/2, w + l + 1.5*d]:
with self.saved_context():
self.moveTo(px, py, 90)
self.segment(l, w)
for i in range(3):
with self.saved_context():
self.moveTo(w/2 + d, w + i*(l+d))
self.segment(l, w)
def seven_segment_holes(self, x):
t = self.thickness
l = 0.4 * x
w = 0.05 * x
d = 0.05 * x
width = l + 2*w + d
for i in range(2):
self.fingerHolesAt(t/4*2**.5, x/2+w-t/4*2**.5,
2**0.5*(width-t) - t/2, -45)
self.fingerHolesAt(t, t, 2**0.5* (.55*x/2 - t) - t/2, 45)
self.fingerHolesAt(width/2 + t/2**.5/2,
width/2 + t/2**.5/2,
2**0.5*(l/2+d/2) - 1.5*t, 45)
self.fingerHolesAt(-t/2, x/2 + 0.25*t, x/2 - 0.25*t, 90)
self.fingerHolesAt(-t/2, 0, x/2 - 0.25*t, 90)
self.fingerHolesAt(-t, -t/2, l + 2*w + d + 2*t, 0)
self.moveTo(width, x, 180)
def seven_segment_separators(self, x, h, n=1):
t = self.thickness
l = 0.4 * x
w = 0.05 * x
d = 0.05 * x
width = l + 2*w + d # 0.55 * x
for length in (
2**0.5*(width-t) - t/2,
2**0.5* x/4 - t,
2**0.5*(l/2+d/2) - 1.5*t,
x/2 - 0.25*t,
x/2 - 0.25*t,
l + 2*w + d + 2*t,):
self.partsMatrix(2*n, 1, "right",
self.rectangularWall, length, h, "feee")
def render(self):
digit, h = self.digit, self.h
t = self.thickness
self.seven_segments(digit)
self.moveTo(0.55*digit+self.spacing+t, t)
#self.seven_segments(digit)
self.seven_segment_holes(digit)
self.moveTo(0.55*digit+self.spacing+t, -t)
self.seven_segment_separators(digit, h)
