pcb.py

pcb = wire(pcb,w,
   C1.pad[2],
   VIC1.pad[1])

VC1 = via(zb,zt,rv,rp)
pcb = VC1.add(pcb,C1.pad[1].x-.025,C1.y-.06)

pcb = wire(pcb,w,
   VC1.pad[1],
   C1.pad[1])

pcb = wire(pcb,w,
   VR1.pad[2],
   point(VC1.x,VR1.y,zb),
   VC1.pad[2])

#
# select output
#

outputs = {}
if (output == "top, labels, and exterior"):
   outputs["function"] = add(add(color(Tan,pcb.board),pcb.labels),
      color(White,pcb.exterior))
   outputs["layers"] = [zt]
elif (output == "top, labels, holes, and exterior"):
   outputs["function"] = add(add(color(Tan,pcb.board),pcb.labels),
      color(White,add(pcb.exterior,pcb.holes)))
   outputs["layers"] = [zt]
elif (output == "top, bottom, labels, and exterior"):
   outputs["function"] = add(add(color(Tan,pcb.board),pcb.labels),
      color(White,pcb.exterior))
   outputs["layers"] = [zb,zt]
elif (output == "top, bottom, labels, holes, and exterior"):
   outputs["function"] = add(add(color(Tan,
      subtract(pcb.board,pcb.holes)),pcb.labels),
      color(White,pcb.exterior))
   outputs["layers"] = [zb,zt]
elif (output == "top traces"):
   outputs["function"] = color(White,pcb.board)
   outputs["layers"] = [zt]
elif (output == "top traces and exterior"):
   outputs["function"] = color(White,add(pcb.board,pcb.exterior))
   outputs["layers"] = [zt]
elif (output == "top traces, holes, and exterior"):
   outputs["function"] = color(White,
      add(add(pcb.board,pcb.exterior),pcb.holes))
   outputs["layers"] = [zt]
elif (output == "bottom traces reversed"):
   outputs["function"] = color(White,
      reflect_x(pcb.board,2*x+width))
   outputs["layers"] = [zb]
elif (output == "bottom traces reversed and exterior"):
   outputs["function"] = color(White,
      reflect_x(add(pcb.board,pcb.exterior),2*x+width))
   outputs["layers"] = [zb]
elif (output == "interior"):
   outputs["function"] = color(White,pcb.interior)
   outputs["layers"] = [zt]
elif (output == "exterior"):
   outputs["function"] = color(White,pcb.exterior)
   outputs["layers"] = [zt]
elif (output == "holes"):
   outputs["function"] = color(White,
      subtract(add(pcb.exterior,pcb.interior),pcb.holes))
   outputs["layers"] = [zb]
elif (output == "holes and interior"):
   outputs["function"] = color(White,
      subtract(pcb.interior,pcb.holes))
   outputs["layers"] = [zb]
elif (output == "solder mask"):
   outputs["function"] = color(White,pcb.mask)
   outputs["layers"] = [zt]
else:
   print("oops -- don't recognize output")

#
# set limits and parameters
#

border = 0.05
outputs["xmin"] = x-border # min x to render
outputs["xmax"] = x+width+border # max x to render
outputs["ymin"] = y-border # min y to render
outputs["ymax"] = y+height+border # max y to render
outputs["mm_per_unit"] = 25.4 # use inch units
outputs["type"] = "RGB" # use RGB color

#
# send output
#

json.dump(outputs,sys.stdout)