How to use report_collisions method in tempest

Best Python code snippet using tempest_python

pcb_art.py

Source:pcb_art.py

1#!/usr/bin/env python2num_nets=83num_dots=3004max_width=10000005max_height=10000006filename="art.pcb"7via_diameter = 110008spacing = via_diameter/49report_collisions = True10max_percentage = 0.7011slots = int(max_width/via_diameter) * int(max_height/via_diameter)12if num_dots > slots*max_percentage:13  print 'too much dots! Max allowed is %d' % int(slots*max_percentage)14  exit()15#####################16def output_header(fp, max_width, max_height):17  fp.write(18'''19# release: pcb 2008020220# date:    Mon Apr 26 18:25:23 201021# user:    felipe (felipe,,,)22# host:    simon23# To read pcb files, the pcb version (or the cvs source date) must be >= the file version24FileVersion[20070407]25PCB["" %d %d]26Grid[5000.000000 0 0 1]27Cursor[0 0 6.000000]28PolyArea[200000000.000000]29Thermal[0.500000]30DRC[1000 1000 1000 1000 1500 1000]31Flags("rubberband,nameonpcb,autodrc,orthomove")32Groups("1,2,3,s:4,5,6,c:s:c")33Styles["Signal,1000,4000,2000,1000:Power,2500,6000,3500,1000:Fat,4000,6000,3500,1000:Skinny,800,3600,2000,1000"]34''' % (max_width, max_height))35def output_dot(fp, dot_id, x,y):36  fp.write(37'''38Element["" "a_dot" "D%d" "" %d %d 7600 59000 1 150 ""]39(40	Pin[0 0 11000 3000 14000 4800 "1" "1" ""]41	)42''' % (dot_id, x, y))43def output_pair(fp, dot_id, x,y):44  fp.write(45'''46Element["" "a_pair" "P%d" "" %d %d 7600 59000 1 150 ""]47(48	Pin[0 0 11000 3000 14000 4800 "1" "1" ""]49	Pin[0 38800 11000 3000 14000 4800 "2" "2" ""]50	)51''' % (dot_id, x, y))52def output_layers(fp):53  fp.write(54'''55Layer(4 "component")56(57)58Layer(7 "silk")59(60)61''')62def output_netlist(fp, netlist):63  fp.write("\nNetList()\n(\n")64  for k in netlist.keys():65    fp.write('\tNet("net%d" "(unknown)")\n\t(\n' % (k))66    for el in netlist[k]:67      fp.write('\t\tConnect("D%d-1")\n' % (el))68    fp.write("\t)\n")69  fp.write(")\n")70import math71def hit(p, x,y):72  px,py = p73  d = math.sqrt((px-x)**2 + (py-y)**2)74  return d < via_diameter+spacing75points={}76def point_collision(x,y):77  global points78  x_key = int(x/via_diameter)79  y_key = int(y/via_diameter)80  key = x_key,y_key81  print x, y, key82  try:83    test = points[key]84  except KeyError:85    points[key]=[]86  for i in range(x_key-2,x_key+2):87    for j in range(y_key-2,y_key+2):88      try:89        for p in points[(i,j)]:90          if hit(p, x,y):91            if report_collisions:92              print "collision!"93            return True94      except KeyError:95        pass96  points[key].append((x,y))97  return False98#######################################99fp = open(filename, "w")100output_header(fp, max_width, max_height)101netlist = {}102for i in range(num_nets):103  netlist[i]=[]104from random import randint, random105def sort_square(w,h):106  x = randint(0, w-1)107  y = randint(0, h-1)108  return x,y109def sort_circle(xc,yc,radius):110  r = random() * radius111  alpha = random()*2*3.1415112  x = xc + r*math.cos(alpha)113  y = yc + r*math.sin(alpha)114  return x,y115def sort_circle_homogeneous(xc,yc,radius):116  x,y = sort_square(2*radius,2*radius)117  while radius < math.sqrt((x-xc)**2 + (y-yc)**2):118    x,y = sort_square(2*radius,2*radius)119  return x,y120for dot_id in range(num_dots):121  net = randint(0, num_nets-1)122  netlist[net].append(dot_id)123#    x,y = sort_square(max_width, max_height)124#    while point_collision(x,y):125#      x,y = sort_square(max_width, max_height)126  xc, yc = max_width/2, max_height/2127  if xc < yc:128    radius = xc129  else:130    radius = yc131#  x,y=sort_circle(xc, yc, radius)132#  while point_collision(x,y):133#    x,y=sort_circle(xc, yc, radius)134  x,y=sort_circle_homogeneous(xc, yc, radius)135  while point_collision(x,y):136    x,y=sort_circle_homogeneous(xc, yc, radius)137  output_dot(fp, dot_id, x, y)138output_layers(fp)139output_netlist(fp, netlist)...

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