New geneator: SpicesRack
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Florian Festi
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182d222f01
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#!/usr/bin/env python3
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# Copyright (C) 2013-2019 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 FrontEdge(edges.Edge):
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def __call__(self, length, **kw):
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with self.saved_context():
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a = 90
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r = (self.diameter +self.space) / 2
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self.ctx.scale(1, self.edge_width/r)
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for i in range(self.numx):
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self.corner(-a)
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self.corner(180, r)
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self.corner(-a)
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self.moveTo(length)
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def margin(self):
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return self.edge_width
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class SpicesRack(Boxes):
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"""Rack for cans of spices"""
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ui_group = "Shelf"
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def __init__(self):
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Boxes.__init__(self)
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self.addSettingsArgs(edges.FingerJointSettings, surroundingspaces=1.0)
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self.argparser.add_argument(
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"--diameter", action="store", type=float, default=55.,
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help="diameter of spice cans")
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self.argparser.add_argument(
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"--height", action="store", type=float, default=60.,
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help="height of the cans that needs to be supported")
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self.argparser.add_argument(
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"--space", action="store", type=float, default=10.,
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help="space between cans")
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self.argparser.add_argument(
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"--numx", action="store", type=int, default=5,
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help="number of cans in a row")
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self.argparser.add_argument(
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"--numy", action="store", type=int, default=6,
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help="number of cans in a column")
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self.argparser.add_argument(
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"--in_place_supports", action="store", type=boolarg, default=False,
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help="place supports pieces in holes (check for fit yourself)")
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self.argparser.add_argument(
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"--feet", action="store", type=boolarg, default=False,
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help="add feet so the rack can stand on the ground")
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def support(self, width, height, move=None):
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t = self.thickness
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tw = width + t
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th = height
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r = min(width - 2*t, height - 2*t)
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if self.move(tw, th, move, True):
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return
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self.polyline(width-r, 90, 0, (-90, r), 0, 90, height-r, 90, width, 90)
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self.edges["f"](height)
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self.move(tw, th, move)
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def holes(self):
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w = 2* self.base_r
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r = self.diameter / 2
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a = self.base_angle
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l = self.hole_length
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self.moveTo(0, self.hole_distance)
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with self.saved_context():
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self.ctx.scale(1, l/self.base_h)
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self.moveTo(self.space/2, 0, 90)
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for i in range(self.numx):
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self.polyline(0, -a, 0, (-180+2*a, r), 0, -90-a, w, -90)
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self.moveTo(0, -(self.diameter+self.space))
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self.ctx.stroke()
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if self.feet and not self.feet_done:
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self.feet_done = True
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return
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if not self.in_place_supports:
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return
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inner_width = self.hole_distance + self.hole_length/3
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t = self.thickness
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for i in range(self.numx-1):
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with self.saved_context():
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self.moveTo((self.diameter+self.space)*(i+0.5)- (inner_width+t)/2, self.spacing)
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self.support(inner_width, (self.h-t)/2)
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def backCB(self):
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t = self.thickness
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dy = self.h/2 - t/2
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for i in range(self.numy):
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self.fingerHolesAt(0, (i+1)*self.h-0.5*self.thickness-dy, self.x, 0)
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for j in range(1, self.numx):
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self.fingerHolesAt(
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j*(self.diameter+self.space),
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(i+1)*self.h-t-dy, (self.h-t)/2, -90)
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def render(self):
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self.feet_done = False
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t = self.thickness
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self.x = x = self.numx * (self.diameter+self.space)
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d = self.diameter
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self.base_angle = 10
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self.base_r = self.diameter/2 * math.cos(math.radians(self.base_angle))
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self.base_h = self.diameter/2 * (1-math.sin(math.radians(self.base_angle)))
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self.angle = math.degrees(math.atan(self.base_r/self.height))
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self.hole_length = (self.base_h**2+self.height**2)**0.5
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self.hole_distance = (self.diameter-self.base_r) * math.sin(math.radians(self.angle))
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print(self.angle)
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self.h = (self.space + d) / math.cos(math.radians(self.angle))
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h = self.numy * self.h - self.h / 2 + 6*t
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width = self.hole_distance + self.hole_length + self.space/2
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inner_width = self.hole_distance + self.hole_length/3
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self.edge_width = width - inner_width
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for i in range(self.numy):
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self.rectangularWall(x, inner_width,[
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"f", "e", FrontEdge(self, self), "e"],
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callback=[self.holes], move="up")
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self.rectangularWall(x, h,
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callback=[self.backCB,
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None,
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lambda:self.hole(3*t, 3*t, 1.5),
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lambda:self.hole(3*t, 3*t, 1.5),
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], move="up")
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if not self.in_place_supports:
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self.partsMatrix((self.numx-1)*self.numy, self.numx-1, "up",
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self.support, inner_width, (self.h-t)/2)
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if self.feet:
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self.partsMatrix(self.numx-1, self.numx-1, "up",
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self.rectangularTriangle, (self.h-t)/2, width, "fee", r=(self.h-t)/4)
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