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fablib.py
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#!/usr/bin/env python
#
# fablib.py
# library of pcb parts
#
# usage:
# pcb.py | frep.py [dpi [filename]]
#
# Neil Gershenfeld 9/30/19
# (c) Massachusetts Institute of Technology 2019
#
# Modified by Francisco Sanchez Arroyo 2020
#
# This work may be reproduced, modified, distributed,
# performed, and displayed for any purpose, but must
# acknowledge this project. Copyright is retained and
# must be preserved. The work is provided as is; no
# warranty is provided, and users accept all liability.
#
import math,json,sys
#
# define shapes and transformations
#
# color(color,part)
# circle(x,y,r)
# cylinder(x,y,z0,z1,r)
# cone(x,y,z0,z1,r)
# sphere(x,y,z,r)
# torus(x,y,z,r0,r1)
# rectangle(x0,x1,y0,y1)
# cube(x0,x1,y0,y1,z0,z1)
# line(x0,y0,x1,y1,z,width)
# right_triangle(x,y,h)
# triangle(x0,y0,x1,y1,x2,y2) (points in clockwise order)
# pyramid(x0,x1,y0,y1,z0,z1)
# function(Z_of_XY)
# functions(upper_Z_of_XY,lower_Z_of_XY)
# add(part1,part2)
# subtract(part1,part2)
# intersect(part1,part2)
# move(part,dx,dy)
# translate(part,dx,dy,dz)
# rotate(part, angle)
# rotate_x(part,angle)
# rotate_y(part,angle)
# rotate_z(part,angle)
# rotate_90(part)
# rotate_180(part)
# rotate_270(part)
# reflect_x(part,x0)
# reflect_y(part,y0)
# reflect_z(part,z0)
# reflect_xy(part)
# reflect_xz(part)
# reflect_yz(part)
# scale_x(part,x0,sx)
# scale_y(part,y0,sy)
# scale_z(part,z0,sz)
# scale_xy(part,x0,y0,sxy)
# scale_xyz(part,x0,y0,z0,sxyz)
# coscale_x_y(part,x0,y0,y1,angle0,angle1,amplitude,offset)
# coscale_x_z(part,x0,z0 z1,angle0,angle1,amplitude,offset)
# coscale_xy_z(part,x0,y0,z0,z1,angle0,angle1,amplitude,offset)
# taper_x_y(part,x0,y0,y1,s0,s1)
# taper_x_z(part,x0,z0,z1,s0,s1)
# taper_xy_z(part,x0,y0,z0,z1,s0,s1)
# shear_x_y(part,y0,y1,dx0,dx1)
# shear_x_z(part,z0,z1,dx0,dx1)
true = "1"
false = "0"
def color(color,part):
part = '('+str(color)+'*(('+part+')!=0))'
return part
Red = (225 << 0)
Green = (225 << 8)
Blue = (225 << 16)
Gray = (128 << 16) + (128 << 8) + (128 << 0)
White = (255 << 16) + (255 << 8) + (255 << 0)
Teal = (255 << 16) + (255 << 8)
Pink = (255 << 16) + (255 << 0)
Yellow = (255 << 8) + (255 << 0)
Brown = (45 << 16) + (82 << 8) + (145 << 0)
Navy = (128 << 16) + (0 << 8) + (0 << 0)
Tan = (60 << 16) + (90 << 8) + (125 << 0)
def circle(x0,y0,r):
part = "(((X-(x0))*(X-(x0)) + (Y-(y0))*(Y-(y0))) <= (r*r))"
part = part.replace('x0',str(x0))
part = part.replace('y0',str(y0))
part = part.replace('r',str(r))
return part
def cylinder(x0,y0,z0,z1,r):
part = "(((X-(x0))*(X-(x0)) + (Y-(y0))*(Y-(y0)) <= (r*r)) & (Z >= (z0)) & (Z <= (z1)))"
part = part.replace('x0',str(x0))
part = part.replace('y0',str(y0))
part = part.replace('z0',str(z0))
part = part.replace('z1',str(z1))
part = part.replace('r',str(r))
return part
def cone(x0,y0,z0,z1,r0):
part = cylinder(x0, y0, z0, z1, r0)
part = taper_xy_z(part, x0, y0, z0, z1, 1.0, 0.0)
return part
def sphere(x0,y0,z0,r):
part = "(((X-(x0))*(X-(x0)) + (Y-(y0))*(Y-(y0)) + (Z-(z0))*(Z-(z0))) <= (r*r))"
part = part.replace('x0',str(x0))
part = part.replace('y0',str(y0))
part = part.replace('z0',str(z0))
part = part.replace('r',str(r))
return part
def torus(x0,y0,z0,r0,r1):
part = "(((r0 - sqrt((X-(x0))*(X-(x0)) + (Y-(y0))*(Y-(y0))))*(r0 - sqrt((X-(x0))*(X-(x0)) + (Y-(y0))*(Y-(y0))) + (Z-(z0))*(Z-(z0))) <= (r1*r1))"
part = part.replace('x0',str(x0))
part = part.replace('y0',str(y0))
part = part.replace('z0',str(z0))
part = part.replace('r0',str(r0))
part = part.replace('r1',str(r1))
return part
def rectangle(x0,x1,y0,y1):
part = "((X >= (x0)) & (X <= (x1)) & (Y >= (y0)) & (Y <= (y1)))"
part = part.replace('x0',str(x0))
part = part.replace('x1',str(x1))
part = part.replace('y0',str(y0))
part = part.replace('y1',str(y1))
return part
def cube(x0,x1,y0,y1,z0,z1):
part = "((X >= (x0)) & (X <= (x1)) & (Y >= (y0)) & (Y <= (y1)) & (Z >= (z0)) & (Z <= (z1)))"
part = part.replace('x0',str(x0))
part = part.replace('x1',str(x1))
part = part.replace('y0',str(y0))
part = part.replace('y1',str(y1))
part = part.replace('z0',str(z0))
part = part.replace('z1',str(z1))
return part
def line(x0,y0,x1,y1,z,width):
dx = x1-x0
dy = y1-y0
l = math.sqrt(dx*dx+dy*dy)
nx = dx/l
ny = dy/l
rx = -ny
ry = nx
part = "((((X-(x0))*(nx)+(Y-(y0))*(ny)) >= 0) & (((X-(x0))*(nx)+(Y-(y0))*(ny)) <= l) & (((X-(x0))*(rx)+(Y-(y0))*(ry)) >= (-width/2)) & (((X-(x0))*(rx)+(Y-(y0))*(ry)) <= (width/2)) & (Z == z))"
part = part.replace('x0',str(x0))
part = part.replace('x1',str(x1))
part = part.replace('y0',str(y0))
part = part.replace('y1',str(y1))
part = part.replace('nx',str(nx))
part = part.replace('ny',str(ny))
part = part.replace('rx',str(rx))
part = part.replace('ry',str(ry))
part = part.replace('l',str(l))
part = part.replace('z',str(z))
part = part.replace('width',str(width))
return part
def right_triangle(x0,y0,l):
part = "((X > x0) & (X < x0 + l - (Y-y0)) & (Y > y0))"
part = part.replace('x0',str(x0))
part = part.replace('y0',str(y0))
part = part.replace('l',str(l))
return part
def triangle(x0,y0,x1,y1,x2,y2): # points in clockwise order
part = "(((((y1)-(y0))*(X-(x0))-((x1)-(x0))*(Y-(y0))) >= 0) & ((((y2)-(y1))*(X-(x1))-((x2)-(x1))*(Y-(y1))) >= 0) & ((((y0)-(y2))*(X-(x2))-((x0)-(x2))*(Y-(y2))) >= 0))"
part = part.replace('x0',str(x0))
part = part.replace('y0',str(y0))
part = part.replace('x1',str(x1))
part = part.replace('y1',str(y1))
part = part.replace('x2',str(x2))
part = part.replace('y2',str(y2))
return part
def pyramid(x0,x1,y0,y1,z0,z1):
part = cube(x0, x1, y0, y1, z0, z1)
part = taper_xy_z(part, (x0+x1)/2., (y0+y1)/2., z0, z1, 1.0, 0.0)
return part
def function(Z_of_XY):
part = '(Z <= '+Z_of_XY+')'
return part
def functions(upper_Z_of_XY,lower_Z_of_XY):
part = '(Z <= '+upper_Z_of_XY+') & (Z >= '+lower_Z_of_XY+')'
return part
def add(part1,part2):
part = "part1 | part2"
part = part.replace('part1',part1)
part = part.replace('part2',part2)
return part
def subtract(part1,part2):
part = "(part1) & ~(part2)"
part = part.replace('part1',part1)
part = part.replace('part2',part2)
return part
def intersect(part1,part2):
part = "(part1) & (part2)"
part = part.replace('part1',part1)
part = part.replace('part2',part2)
return part
def move(part,dx,dy):
part = part.replace('X','(X-('+str(dx)+'))')
part = part.replace('Y','(Y-('+str(dy)+'))')
return part
def translate(part,dx,dy,dz):
part = part.replace('X','(X-('+str(dx)+'))')
part = part.replace('Y','(Y-('+str(dy)+'))')
part = part.replace('Z','(Z-('+str(dz)+'))')
return part
def rotate(part,angle):
angle = angle*math.pi/180
part = part.replace('X','(math.cos(angle)*X+math.sin(angle)*y)')
part = part.replace('Y','(-math.sin(angle)*X+math.cos(angle)*y)')
part = part.replace('y','Y')
part = part.replace('angle',str(angle))
return part
def rotate_x(part,angle):
angle = angle*math.pi/180
part = part.replace('Y','(math.cos(angle)*Y+math.sin(angle)*z)')
part = part.replace('Z','(-math.sin(angle)*Y+math.cos(angle)*z)')
part = part.replace('z','Z')
part = part.replace('angle',str(angle))
return part
def rotate_y(part,angle):
angle = angle*math.pi/180
part = part.replace('X','(math.cos(angle)*X+math.sin(angle)*z)')
part = part.replace('Z','(-math.sin(angle)*X+math.cos(angle)*z)')
part = part.replace('z','Z')
part = part.replace('angle',str(angle))
return part
def rotate_z(part,angle):
angle = angle*math.pi/180
part = part.replace('X','(math.cos(angle)*X+math.sin(angle)*y)')
part = part.replace('Y','(-math.sin(angle)*X+math.cos(angle)*y)')
part = part.replace('y','Y')
part = part.replace('angle',str(angle))
return part
def rotate_90(part):
part = reflect_y(part,0)
part = reflect_xy(part)
return part
def rotate_180(part):
part = rotate_90(part)
part = rotate_90(part)
return part
def rotate_270(part):
part = rotate_90(part)
part = rotate_90(part)
part = rotate_90(part)
return part
def reflect_x(part,x0):
part = part.replace('X','(x0-X)')
part = part.replace('x0',str(x0))
return part
def reflect_y(part,y0):
part = part.replace('Y','(y0-Y)')
part = part.replace('y0',str(y0))
return part
def reflect_z(part,z0):
part = part.replace('Z','(z0-Z)')
part = part.replace('z0',str(z0))
return part
def reflect_xy(part):
part = part.replace('X','temp')
part = part.replace('Y','X')
part = part.replace('temp','Y')
return part
def reflect_xz(part):
part = part.replace('X','temp')
part = part.replace('Z','X')
part = part.replace('temp','Z')
return part
def reflect_yz(part):
part = part.replace('Y','temp')
part = part.replace('Z','Y')
part = part.replace('temp','Z')
return part
def scale_x(part,x0,sx):
part = part.replace('X','((x0) + (X-(x0))/(sx))')
part = part.replace('x0',str(x0))
part = part.replace('sx',str(sx))
return part
def scale_y(part,y0,sy):
part = part.replace('Y','((y0) + (Y-(y0))/(sy))')
part = part.replace('y0',str(y0))
part = part.replace('sy',str(sy))
return part
def scale_z(part,z0,sz):
part = part.replace('Z','((z0) + (Z-(z0))/(sz))')
part = part.replace('z0',str(z0))
part = part.replace('sz',str(sz))
return part
def scale_xy(part,x0,y0,sxy):
part = part.replace('X','((x0) + (X-(x0))/(sxy))')
part = part.replace('Y','((y0) + (Y-(y0))/(sxy))')
part = part.replace('x0',str(x0))
part = part.replace('y0',str(y0))
part = part.replace('sxy',str(sxy))
return part
def scale_xyz(part,x0,y0,z0,sxyz):
part = part.replace('X','((x0) + (X-(x0))/(sxyz))')
part = part.replace('Y','((y0) + (Y-(y0))/(sxyz))')
part = part.replace('Z','((z0) + (Z-(z0))/(sxyz))')
part = part.replace('x0',str(x0))
part = part.replace('y0',str(y0))
part = part.replace('z0',str(z0))
part = part.replace('sxyz',str(sxyz))
return part
def coscale_x_y(part,x0,y0,y1,angle0,angle1,amplitude,offset):
phase0 = math.pi*angle0/180.
phase1 = math.pi*angle1/180.
part = part.replace('X','((x0) + (X-(x0))/((offset) + (amplitude)*math.cos((phase0) + ((phase1)-(phase0))*(Y-(y0))/((y1)-(y0)))))')
part = part.replace('x0',str(x0))
part = part.replace('y0',str(y0))
part = part.replace('y1',str(y1))
part = part.replace('phase0',str(phase0))
part = part.replace('phase1',str(phase1))
part = part.replace('amplitude',str(amplitude))
part = part.replace('offset',str(offset))
return part
def coscale_x_z(part,x0,z0,z1,angle0,angle1,amplitude,offset):
phase0 = math.pi*angle0/180.
phase1 = math.pi*angle1/180.
part = part.replace('X','((x0) + (X-(x0))/((offset) + (amplitude)*math.cos((phase0) + ((phase1)-(phase0))*(Z-(z0))/((z1)-(z0)))))')
part = part.replace('x0',str(x0))
part = part.replace('z0',str(z0))
part = part.replace('z1',str(z1))
part = part.replace('phase0',str(phase0))
part = part.replace('phase1',str(phase1))
part = part.replace('amplitude',str(amplitude))
part = part.replace('offset',str(offset))
return part
def coscale_xy_z(part,x0,y0,z0,z1,angle0,angle1,amplitude,offset):
phase0 = math.pi*angle0/180.
phase1 = math.pi*angle1/180.
part = part.replace('X','((x0) + (X-(x0))/((offset) + (amplitude)*math.cos((phase0) + ((phase1)-(phase0))*(Z-(z0))/((z1)-(z0)))))')
part = part.replace('Y','((y0) + (Y-(y0))/((offset) + (amplitude)*math.cos((phase0) + ((phase1)-(phase0))*(Z-(z0))/((z1)-(z0)))))')
part = part.replace('x0',str(x0))
part = part.replace('y0',str(y0))
part = part.replace('z0',str(z0))
part = part.replace('z1',str(z1))
part = part.replace('phase0',str(phase0))
part = part.replace('phase1',str(phase1))
part = part.replace('amplitude',str(amplitude))
part = part.replace('offset',str(offset))
return part
def taper_x_y(part,x0,y0,y1,s0,s1):
part = part.replace('X','((x0) + (X-(x0))*((y1)-(y0))/((s1)*(Y-(y0)) + (s0)*((y1)-Y)))')
part = part.replace('x0',str(x0))
part = part.replace('y0',str(y0))
part = part.replace('y1',str(y1))
part = part.replace('s0',str(s0))
part = part.replace('s1',str(s1))
return part
def taper_x_z(part,x0,z0,z1,s0,s1):
part = part.replace('X','((x0) + (X-(x0))*((z1)-(z0))/((s1)*(Z-(z0)) + (s0)*((z1)-Z)))')
part = part.replace('x0',str(x0))
part = part.replace('z0',str(z0))
part = part.replace('z1',str(z1))
part = part.replace('s0',str(s0))
part = part.replace('s1',str(s1))
return part
def taper_xy_z(part,x0,y0,z0,z1,s0,s1):
part = part.replace('X','((x0) + (X-(x0))*((z1)-(z0))/((s1)*(Z-(z0)) + (s0)*((z1)-Z)))')
part = part.replace('Y','((y0) + (Y-(y0))*((z1)-(z0))/((s1)*(Z-(z0)) + (s0)*((z1)-Z)))')
part = part.replace('x0',str(x0))
part = part.replace('y0',str(y0))
part = part.replace('z0',str(z0))
part = part.replace('z1',str(z1))
part = part.replace('s0',str(s0))
part = part.replace('s1',str(s1))
return part
def shear_x_y(part,y0,y1,dx0,dx1):
part = part.replace('X','(X - (dx0) - ((dx1)-(dx0))*(Y-(y0))/((y1)-(y0)))')
part = part.replace('y0',str(y0))
part = part.replace('y1',str(y1))
part = part.replace('dx0',str(dx0))
part = part.replace('dx1',str(dx1))
return part
def shear_x_z(part,z0,z1,dx0,dx1):
part = part.replace('X','(X - (dx0) - ((dx1)-(dx0))*(Z-(z0))/((z1)-(z0)))')
part = part.replace('z0',str(z0))
part = part.replace('z1',str(z1))
part = part.replace('dx0',str(dx0))
part = part.replace('dx1',str(dx1))
return part
def coshear_x_z(part,z0,z1,angle0,angle1,amplitude,offset):
phase0 = math.pi*angle0/180.
phase1 = math.pi*angle1/180.
part = part.replace('X','(X - (offset) - (amplitude)*math.cos((phase0) + ((phase1)-(phase0))*(Z-(z0))/((z1)-(z0))))')
part = part.replace('z0',str(z0))
part = part.replace('z1',str(z1))
part = part.replace('phase0',str(phase0))
part = part.replace('phase1',str(phase1))
part = part.replace('amplitude',str(amplitude))
part = part.replace('offset',str(offset))
return part
#
# text classes and definitions
#
class text:
#
# text class
#
def __init__(self,text,x,y,z,line='',height='',width='',space='',align='CC',color=White,angle=0):
#
# parameters
#
if (line == ''):
line = 1
if (height == ''):
height = 6*line
if (width == ''):
width = 4*line
if (space == ''):
space = line/2.0
self.width = 0
self.height = 0
self.text = text
#
# construct shape dictionary
#
shapes = {}
shape = triangle(0,0,width/2.0,height,width,0)
cutout = triangle(0,-2.5*line,width/2.0,height-2.5*line,width,-2.5*line)
cutout = subtract(cutout,rectangle(0,width,height/4-line/2,height/4+line/2))
shape = subtract(shape,cutout)
shapes['A'] = shape
shape = circle(width/2,width/2,width/2)
shape = subtract(shape,circle(width/2,width/2,width/4))
shape = add(shape,rectangle(width-line,width,0,height/3))
shapes['a'] = shape
shape = rectangle(0,width-height/4,0,height)
shape = add(shape,circle(width-height/4,height/4,height/4))
shape = add(shape,circle(width-height/4,3*height/4,height/4))
w = height/2-1.5*line
shape = subtract(shape,rectangle(line,line+w/1.5,height/2+line/2,height-line))
shape = subtract(shape,circle(line+w/1.5,height/2+line/2+w/2,w/2))
shape = subtract(shape,rectangle(line,line+w/1.5,line,height/2-line/2))
shape = subtract(shape,circle(line+w/1.5,height/2-line/2-w/2,w/2))
shapes['B'] = shape
shape = circle(width/2,width/2,width/2)
shape = subtract(shape,circle(width/2,width/2,width/4))
shape = add(shape,rectangle(0,line,0,height))
shapes['b'] = shape
shape = circle(width/2,width/2,width/2)
shape = add(shape,circle(width/2,height-width/2,width/2))
shape = add(shape,rectangle(0,width,line+w/2,height-line-w/2))
w = width-2*line
shape = subtract(shape,circle(width/2,line+w/2,w/2))
shape = subtract(shape,circle(width/2,height-line-w/2,w/2))
shape = subtract(shape,rectangle(line,width,line+w/2,height-line-w/2))
shapes['C'] = shape
shape = circle(width/2,width/2,width/2)
shape = subtract(shape,circle(width/2,width/2,width/4))
shape = subtract(shape,rectangle(width/2,width,width/2-line/1.5,width/2+line/1.5))
shapes['c'] = shape
shape = circle(line,width-line,width-line)
shape = subtract(shape,circle(line,width-line,width-2*line))
shape = subtract(shape,rectangle(-width,line,0,height))
shape = scale_y(shape,0,height/(2*(width-line)))
shape = add(shape,rectangle(0,line,0,height))
shapes['D'] = shape
shape = rectangle(width-line,width,0,height)
shape = add(shape,circle(width/2,width/2,width/2))
shape = subtract(shape,circle(width/2,width/2,width/2-line))
shapes['d'] = shape
shape = rectangle(0,line,0,height)
shape = add(shape,rectangle(0,width,height-line,height))
shape = add(shape,rectangle(0,2*width/3,height/2-line/2,height/2+line/2))
shape = add(shape,rectangle(0,width,0,line))
shapes['E'] = shape
shape = circle(width/2,width/2,width/2)
shape = subtract(shape,circle(width/2,width/2,width/2-line))
shape = subtract(shape,triangle(width,0,width/2,width/2-line/2,width,width/2-line/2))
shape = add(shape,rectangle(0,width,width/2-line/2,width/2+line/2))
shapes['e'] = shape
shape = rectangle(0,line,0,height)
shape = add(shape,rectangle(0,width,height-line,height))
shape = add(shape,rectangle(0,2*width/3,height/2-line/2,height/2+line/2))
shapes['F'] = shape
shape = circle(width-line/2,height-width/2,width/2)
shape = subtract(shape,circle(width-line/2,height-width/2,width/2-line))
shape = subtract(shape,rectangle(0,width-line/2,0,height-width/2))
shape = subtract(shape,rectangle(width-line/2,2*width,0,height))
shape = add(shape,rectangle(width/2-line/2,width/2+line/2,0,height-width/2))
shape = add(shape,rectangle(width/5,4*width/5,height/2-line/2,height/2+line/2))
shapes['f'] = shape
shape = circle(width/2,width/2,width/2)
shape = add(shape,circle(width/2,height-width/2,width/2))
shape = add(shape,rectangle(0,width,line+w/2,height-line-w/2))
w = width-2*line
shape = subtract(shape,circle(width/2,line+w/2,w/2))
shape = subtract(shape,circle(width/2,height-line-w/2,w/2))
shape = subtract(shape,rectangle(line,width,line+w/2,height-line-w/2))
shape = add(shape,rectangle(width/2,width,line+w/2,2*line+w/2))
shapes['G'] = shape
shape = circle(width/2,width/2,width/2)
shape = subtract(shape,circle(width/2,width/2,width/2-line))
w = height/3-width/2
shape = add(shape,rectangle(width-line,width,w,width))
shape = add(shape,subtract(subtract(circle(width/2,w,width/2),circle(width/2,w,width/2-line)),rectangle(0,width,w,height)))
shapes['g'] = shape
shape = rectangle(0,line,0,height)
shape = add(shape,rectangle(width-line,width,0,height))
shape = add(shape,rectangle(0,width,height/2-line/2,height/2+line/2))
shapes['H'] = shape
w = width/2
shape = circle(width/2,w,width/2)
shape = subtract(shape,circle(width/2,w,width/2-line))
shape = subtract(shape,rectangle(0,width,0,w))
shape = add(shape,rectangle(0,line,0,height))
shape = add(shape,rectangle(width-line,width,0,w))
shapes['h'] = shape
shape = rectangle(width/2-line/2,width/2+line/2,0,height)
shape = add(shape,rectangle(width/5,4*width/5,0,line))
shape = add(shape,rectangle(width/5,4*width/5,height-line,height))
shapes['I'] = shape
shape = rectangle(width/2-line/2,width/2+line/2,0,height/2)
shape = add(shape,circle(width/2,3*height/4,.6*line))
shapes['i'] = shape
shape = circle(width/2,width/2,width/2)
shape = subtract(shape,circle(width/2,width/2,width/2-line))
shape = subtract(shape,rectangle(0,width,width/2,height))
shape = add(shape,rectangle(width-line,width,width/2,height))
shapes['J'] = shape
w = height/3-width/2
shape = rectangle(width/2-line/2,width/2+line/2,w,height/2)
shape = add(shape,subtract(subtract(subtract(circle(width/4-line/2,w,width/2),circle(width/4-line/2,w,width/2-line)),rectangle(0,width,w,height)),rectangle(-width,width/4-line/2,-height/3,height)))
shape = add(shape,circle(width/2,3*height/4,.6*line))
shapes['j'] = shape
shape = rectangle(0,width,0,height)
shape = subtract(shape,triangle(line,height,width-1.1*line,height,line,height/2+.5*line))
shape = subtract(shape,triangle(width,0,line+0.8*line,height/2,width,height))
shape = subtract(shape,triangle(line,0,line,height/2-.5*line,width-1.1*line,0))
shapes['K'] = shape
shape = rectangle(0,width,0,height)
shape = subtract(shape,rectangle(line,width,2*height/3,height))
shape = subtract(shape,triangle(line,2*height/3,width-1.3*line,2*height/3,line,height/3+.5*line))
shape = subtract(shape,triangle(width,0,line+0.8*line,height/3,width,2*height/3))
shape = subtract(shape,triangle(line,0,line,height/3-0.5*line,width-1.3*line,0))
shapes['k'] = shape
shape = rectangle(0,line,0,height)
shape = add(shape,rectangle(0,width,0,line))
shapes['L'] = shape
shape = rectangle(width/2-line/2,width/2+line/2,0,height)
shapes['l'] = shape
shape = rectangle(0,width,0,height)
shape = subtract(shape,triangle(line,0,line,height-3*line,width/2-line/3,0))
shape = subtract(shape,triangle(line,height,width-line,height,width/2,1.5*line))
shape = subtract(shape,triangle(width/2+line/3,0,width-line,height-3*line,width-line,0))
shapes['M'] = shape
w = width/2
l = 1.3*line
shape = circle(width/2,w,width/2)
shape = subtract(shape,circle(width/2,w,width/2-l))
shape = subtract(shape,rectangle(0,width,0,w))
shape = add(shape,rectangle(width-l,width,0,w))
shape = add(shape,move(shape,width-l,0))
shape = add(shape,rectangle(0,l,0,width))
shape = scale_x(shape,0,width/(2*width-l))
shapes['m'] = shape
shape = rectangle(0,width,0,height)
shape = subtract(shape,triangle(line,height+1.5*line,width-line,height+1.5*line,width-line,1.5*line))
shape = subtract(shape,triangle(line,-1.5*line,line,height-1.5*line,width-line,-1.5*line))
shapes['N'] = shape
w = width/2
shape = circle(width/2,w,width/2)
shape = subtract(shape,circle(width/2,w,width/2-line))
shape = subtract(shape,rectangle(0,width,0,w))
shape = add(shape,rectangle(0,line,0,width))
shape = add(shape,rectangle(width-line,width,0,w))
shapes['n'] = shape
shape = circle(width/2,width/2,width/2)
shape = add(shape,circle(width/2,height-width/2,width/2))
shape = add(shape,rectangle(0,width,line+w/2,height-line-w/2))
w = width-2*line
shape = subtract(shape,circle(width/2,line+w/2,w/2))
shape = subtract(shape,circle(width/2,height-line-w/2,w/2))
shape = subtract(shape,rectangle(line,width-line,line+w/2,height-line-w/2))
shapes['O'] = shape
shape = circle(width/2,width/2,width/2)
shape = subtract(shape,circle(width/2,width/2,width/2-line))
shapes['o'] = shape
shape = rectangle(0,line,0,height)
w = 2*height/3
shape = add(shape,circle(width-w/2,height-w/2,w/2))
shape = add(shape,rectangle(0,width-w/2,height-w,height))
shape = subtract(shape,circle(width-w/2,height-w/2,w/2-line))
shape = subtract(shape,rectangle(line,width-w/2,height-w+line,height-line))
shapes['P'] = shape
shape = circle(width/2,width/2,width/2)
shape = subtract(shape,circle(width/2,width/2,width/4))
shape = add(shape,rectangle(0,line,-height/3,width))
shapes['p'] = shape
shape = subtract(circle(width/2,width/2,width/2),circle(width/2,width/2,width/2-.9*line))
shape = scale_y(shape,0,height/width)
shape = add(shape,move(rotate(rectangle(-line/2,line/2,-width/4,width/4),30),3*width/4,width/4))
shapes['Q'] = shape
shape = circle(width/2,width/2,width/2)
shape = subtract(shape,circle(width/2,width/2,width/2-line))
shape = add(shape,rectangle(width-line,width,-height/3,width))
shapes['q'] = shape
shape = rectangle(0,line,0,height)
w = 2*height/3
shape = add(shape,circle(width-w/2,height-w/2,w/2))
shape = add(shape,rectangle(0,width-w/2,height-w,height))
shape = subtract(shape,circle(width-w/2,height-w/2,w/2-line))
shape = subtract(shape,rectangle(line,width-w/2,height-w+line,height-line))
leg = triangle(line,0,line,height,width,0)
leg = subtract(leg,triangle(line,-2.0*line,line,height-2.0*line,width,-2.0*line))
leg = subtract(leg,rectangle(0,width,height/3,height))
shape = add(shape,leg)
shapes['R'] = shape
shape = circle(width,0,width)
shape = subtract(shape,circle(width,0,width-line))
shape = subtract(shape,rectangle(.8*width,2*width,-height,height))
shape = subtract(shape,rectangle(0,2*width,-height,0))
shape = add(shape,rectangle(0,line,0,width))
shapes['r'] = shape
shape = circle(width/2,width/2,width/2)
shape = subtract(shape,circle(width/2,width/2,width/2-line))
shape = subtract(shape,rectangle(0,width/2,width/2,width))
shape = add(shape,move(reflect_y(reflect_x(shape,width),width),0,width-line))
shape = scale_y(shape,0,height/(2*width-line))
shapes['S'] = shape
w = width/3
shape = circle(w,w,w)
shape = subtract(shape,circle(w,w,w-.9*line))
shape = subtract(shape,rectangle(0,w,w,2*w))
shape = add(shape,move(reflect_y(reflect_x(shape,2*w),2*w),0,2*w-.9*line))
shape = scale_y(shape,0,(2*height/3)/(4*w-.9*line))
shape = move(shape,(width/2)-w,0)
shapes['s'] = shape
shape = rectangle(width/2-line/2,width/2+line/2,0,height)
shape = add(shape,rectangle(0,width,height-line,height))
shapes['T'] = shape
shape = circle(0,3*width/8,3*width/8)
shape = subtract(shape,circle(0,3*width/8,3*width/8-line))
shape = subtract(shape,rectangle(-width,width,3*width/8,height))
shape = subtract(shape,rectangle(0,width,-height,height))
shape = move(shape,width/2-line/2+3*width/8,0)
shape = add(shape,rectangle(width/2-line/2,width/2+line/2,width/4,3*height/4))
shape = add(shape,rectangle(width/5,4*width/5,height/2-line/2,height/2+line/2))
shapes['t'] = shape
shape = circle(width/2,width/2,width/2)
shape = subtract(shape,circle(width/2,width/2,width/2-line))
shape = subtract(shape,rectangle(0,width,width/2,height))
shape = add(shape,rectangle(0,line,width/2,height))
shape = add(shape,rectangle(width-line,width,width/2,height))
shapes['U'] = shape
shape = circle(width/2,width/2,width/2)
shape = subtract(shape,circle(width/2,width/2,width/2-line))
shape = subtract(shape,rectangle(0,width,width/2,height))
shape = add(shape,rectangle(0,line,width/2,2*height/3))
shape = add(shape,rectangle(width-line,width,0,2*height/3))
shapes['u'] = shape
shape = triangle(0,height,width,height,width/2,0)
shape = subtract(shape,triangle(0,height+3*line,width,height+3*line,width/2,3*line))
shapes['V'] = shape
w = 2*height/3.0
shape = triangle(0,w,width,w,width/2,0)
shape = subtract(shape,triangle(0,w+2*line,width,w+2*line,width/2,2*line))
shapes['v'] = shape
shape = triangle(0,height,width,height,width/2,0)
shape = add(shape,move(shape,.6*width,0))
cutout = triangle(0,height+4*line,width,height+4*line,width/2,4*line)
cutout = add(cutout,move(cutout,.6*width,0))
shape = subtract(shape,cutout)
shape = scale_x(shape,0,1/1.6)
shapes['W'] = shape
shape = scale_y(shapes['W'],0,width/height)
shapes['w'] = shape
shape = rectangle(0,width,0,height)
shape = subtract(shape,triangle(0,0,0,height,width/2-.7*line,height/2))
shape = subtract(shape,triangle(width,0,width/2+.7*line,height/2,width,height))
shape = subtract(shape,triangle(1.1*line,height,width-1.1*line,height,width/2,height/2+line))
shape = subtract(shape,triangle(1.1*line,0,width/2,height/2-line,width-1.1*line,0))
shapes['X'] = shape
w = 2*height/3.0
shape = rectangle(0,width,0,w)
shape = subtract(shape,triangle(0,0,0,w,width/2-.75*line,w/2))
shape = subtract(shape,triangle(width,0,width/2+.75*line,w/2,width,w))
shape = subtract(shape,triangle(1.25*line,0,width/2,w/2-.75*line,width-1.25*line,0))
shape = subtract(shape,triangle(1.25*line,w,width-1.25*line,w,width/2,w/2+.75*line))
shapes['x'] = shape
w = height/2
shape = rectangle(0,width,w,height)
shape = subtract(shape,triangle(0,w,0,height,width/2-line/2,w))
shape = subtract(shape,triangle(width/2+line/2,w,width,height,width,w))
shape = subtract(shape,triangle(1.1*line,height,width-1.1*line,height,width/2,w+1.1*line))
shape = add(shape,rectangle(width/2-line/2,width/2+line/2,0,w))
shapes['Y'] = shape
shape = rectangle(0,width,-height/3,width)
shape = subtract(shape,triangle(0,-height/3,0,width,width/2-.9*line,0))
shape = subtract(shape,triangle(1.1*line,width,width-1.1*line,width,width/2-.2*line,1.6*line))
shape = subtract(shape,triangle(1.2*line,-height/3,width,width,width,-height/3))
shapes['y'] = shape
shape = rectangle(0,width,0,height)
shape = subtract(shape,triangle(0,line,0,height-line,width-1.4*line,height-line))
shape = subtract(shape,triangle(1.4*line,line,width,height-line,width,line))
shapes['Z'] = shape
w = 2*height/3
shape = rectangle(0,width,0,w)
shape = subtract(shape,triangle(0,line,0,w-line,width-1.6*line,w-line))
shape = subtract(shape,triangle(width,line,1.6*line,line,width,w-line))
shapes['z'] = shape
shape = circle(width/2,width/2,width/2)
shape = subtract(shape,circle(width/2,width/2,width/2-.9*line))
shape = scale_y(shape,0,height/width)
shapes['0'] = shape
shape = rectangle(width/2-line/2,width/2+line/2,0,height)
w = width/2-line/2
cutout = circle(0,height,w)
shape = add(shape,rectangle(0,width/2,height-w-line,height))
shape = subtract(shape,cutout)
shape = move(shape,(width/2+line/2)/4,0)
shapes['1'] = shape
shape = circle(width/2,height-width/2,width/2)
shape = subtract(shape,circle(width/2,height-width/2,width/2-line))
shape = subtract(shape,rectangle(0,width/2,0,height-width/2))
shape = add(shape,rectangle(0,width,0,height-width/2))
shape = subtract(shape,triangle(0,line,0,height-width/2,width-line,height-width/2))
shape = subtract(shape,triangle(1.5*line,line,width,height-width/2-.5*line,width,line))
shapes['2'] = shape
shape = circle(width/2,width/2,width/2)
shape = subtract(shape,circle(width/2,width/2,width/2-line))
shape = scale_y(shape,0,(height/2+line/2)/width)
shape = add(shape,move(shape,0,height/2-line/2))
shape = subtract(shape,rectangle(0,width/2,height/4,3*height/4))
shapes['3'] = shape
shape = rectangle(width-line,width,0,height)
shape = add(shape,triangle(0,height/3,width-line,height,width-line,height/3))
shape = subtract(shape,triangle(1.75*line,height/3+line,width-line,height-1.5*line,width-line,height/3+line))
shapes['4'] = shape
shape = circle(width/2,width/2,width/2)
shape = subtract(shape,circle(width/2,width/2,width/2-line))
shape = subtract(shape,rectangle(0,width/2,width/2,width))
shape = add(shape,rectangle(0,width/2,width-line,width))
shape = add(shape,rectangle(0,line,width-line,height))
shape = add(shape,rectangle(0,width,height-line,height))
shapes['5'] = shape
shape = circle(width/2,height-width/2,width/2)
shape = subtract(shape,circle(width/2,height-width/2,width/2-line))
shape = subtract(shape,rectangle(0,width,0,height-width/2))
shape = subtract(shape,triangle(width,height,width,height/2,width/2,height/2))
shape = add(shape,circle(width/2,width/2,width/2))
shape = subtract(shape,circle(width/2,width/2,width/2-line))
shape = add(shape,rectangle(0,line,width/2,height-width/2))
shapes['6'] = shape
shape = rectangle(0,width,0,height)
shape = subtract(shape,triangle(0,0,0,height-line,width-line,height-line))
shape = subtract(shape,triangle(line,0,width,height-line,width,0))
shapes['7'] = shape
shape = circle(width/2,width/2,width/2)
shape = subtract(shape,circle(width/2,width/2,width/2-line))
shape = scale_y(shape,0,(height/2+line/2)/width)
shape = add(shape,move(shape,0,height/2-line/2))
shapes['8'] = shape
shape = circle(width/2,width/2,width/2)
shape = subtract(shape,circle(width/2,width/2,width/2-line))
shape = subtract(shape,rectangle(0,width,width/2,height))
shape = subtract(shape,triangle(0,0,0,height/2,width/2,height/2))
shape = add(shape,circle(width/2,height-width/2,width/2))
shape = subtract(shape,circle(width/2,height-width/2,width/2-line))
shape = add(shape,rectangle(width-line,width,width/2,height-width/2))
shapes['9'] = shape
w = width/2
shape = circle(w,w,w)
shape = subtract(shape,circle(w,w,w-line))
shape = subtract(shape,rectangle(w,width,0,height))
shape = scale_y(shape,0,height/width)
shape = move(shape,w/2,0)
shapes['('] = shape
shape = reflect_x(shape,width)
shapes[')'] = shape
shapes[' '] = false
shape = rectangle(width/2-width/3,width/2+width/3,height/2-line/2,height/2+line/2)
shape = add(shape,rectangle(width/2-line/2,width/2+line/2,height/2-width/3,height/2+width/3))
shapes['+'] = shape
shape = rectangle(width/2-width/3,width/2+width/3,height/2-line/2,height/2+line/2)
shapes['-'] = shape
shape = circle(width/2,line,.75*line)
shapes['.'] = shape
shape = rectangle(0,width,0,height)
d = .8*line
shape = subtract(shape,triangle(d,0,width,height-d,width,0))
shape = subtract(shape,triangle(0,d,0,height,width-d,height))
shapes['/'] = shape
#
# to be done
#
shapes['*'] = shape
shapes['~'] = shape
shapes['!'] = shape
shapes['@'] = shape
shapes['#'] = shape
shapes['$'] = shape
shapes['%'] = shape
shapes['^'] = shape
shapes['&'] = shape
shapes['&'] = shape
shapes['_'] = shape
shapes['='] = shape
shapes['['] = shape
shapes['{'] = shape
shapes[']'] = shape
shapes['}'] = shape
shapes[';'] = shape
shapes[':'] = shape
shapes["'"] = shape
shapes['"'] = shape
shapes[','] = shape
shapes['<'] = shape
shapes['>'] = shape
shapes['?'] = shape
#
# add a line to text shape
#
def addline(lineshape):
#
# LR align
#
if (align[0] == 'C'):
lineshape = move(lineshape,-self.width/2.0,0)
elif (align[0] == 'R'):
lineshape = move(lineshape,-self.width,0)
#
# add
#
self.shape = add(self.shape,lineshape)
#
# loop over chars
#
dx = 0
dy = -height
self.width = -space
self.height = height
lineshape = false
self.shape = false
count = 0
for chr in text:
if (chr == '\n'):
count += 1
addline(lineshape)
dx = 0
dy -= 1.5*self.height/(1+(count-1)*1.5)
self.width = -space
self.height += 1.5*self.height
lineshape = false
else:
lineshape = add(lineshape,move(shapes[chr],dx,dy))
self.width += space + width
dx += width + space
addline(lineshape)
#
# UD align
#
if (align[1] == 'C'):
self.shape = move(self.shape,0,self.height/2.0)
elif (align[1] == 'B'):
self.shape = move(self.shape,0,self.height)
#
# rotate
#
if (angle == 90):
self.shape = rotate_90(self.shape)
elif (angle == 180):
self.shape = rotate_180(self.shape)
elif ((angle == 270) | (angle == -90)):
self.shape = rotate_270(self.shape)
elif (angle != 0):
self.shape = rotate(self.shape,angle)
#
# translate
#
self.shape = move(self.shape,x,y)
#
# color
#
self.shape = '('+str(color)+'*(('+self.shape+')!=0))'
#
# PCB classes and definitions
#
class PCB:
def __init__(self,x0,y0,width,height,mask):
self.board = false
self.labels = false
self.interior = rectangle(x0,x0+width,y0,y0+height)
self.exterior = subtract(true,rectangle(x0,x0+width,y0,y0+height))
self.mask = false
self.holes = false
self.cutout = false
def add(self,part):
self.board = add(self.board,part)
self.mask = add(self.mask,move(part,-self.mask,self.mask))
self.mask = add(self.mask,move(part,-self.mask,-self.mask))
self.mask = add(self.mask,move(part,self.mask,self.mask))
self.mask = add(self.mask,move(part,self.mask,-self.mask))
return self
class point:
def __init__(self,x,y,z=0):
self.x = x
self.y = y
self.z = z
class part:
class text:
def __init__(self,x,y,z=0,text='',line=0.006,angle=0):
self.x = x
self.y = y
self.z = z
self.text = text
self.line = line
self.angle = angle
def add(self,pcb,x,y,z=0,angle=0,line=0.007):
self.x = x
self.y = y
self.z = z
self.angle = angle
if (angle == 90):
self.shape = rotate_90(self.shape)
elif (angle == 180):
self.shape = rotate_180(self.shape)
elif ((angle == 270) | (angle == -90)):
self.shape = rotate_270(self.shape)
elif (angle != 0):
self.shape = rotate(self.shape,angle)
self.shape = translate(self.shape,x,y,z)
if hasattr(self,'holes'):
if (angle == 90):
self.holes = rotate_90(self.holes)
elif (angle == 180):
self.holes = rotate_180(self.holes)
elif ((angle == 270) | (angle == -90)):
self.holes = rotate_270(self.holes)
elif (angle != 0):
self.holes = rotate(self.holes,angle)
self.holes = translate(self.holes,x,y,z)
if hasattr(self,'cutout'):
if (angle == 90):
self.cutout = rotate_90(self.cutout)
elif (angle == 180):
self.cutout = rotate_180(self.cutout)
elif ((angle == 270) | (angle == -90)):
self.cutout = rotate_270(self.cutout)
elif (angle != 0):
self.cutout = rotate(self.cutout,angle)
self.cutout = translate(self.cutout,x,y,z)
deg_angle = angle