refactored, added options

mapgen.py

@@ -1,6 +1,7 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
 
+import sys, getopt
 import os, glob, errno
 import math, random
 from PIL import Image, ImageDraw
@@ -8,7 +9,89 @@ import svgwrite
 import datetime
 from sympy.geometry import Circle, Point
 
+#     __  ___      _
+#    /  |/  /___ _(_)___
+#   / /|_/ / __ `/ / __ \
+#  / /  / / /_/ / / / / /
+# /_/  /_/\__,_/_/_/ /_/
+def main(argv):
+   # Options
+   export_svg = False
+   export_bmp = False
+
+   try:
+      opts, args = getopt.getopt(argv,"n:",["number=", "svg", "bmp"])
+      print(opts)
+   except getopt.GetoptError as err:
+      print('mapgen.py [-n, --number][--svg][--bmp]')
+      print(str(err))
+      sys.exit(2)
+   for opt, arg in opts:
+      if opt == '-h':
+         print('mapgen.py [-n, --number]')
+         sys.exit()
+      elif opt in ("-n", "--number"):
+         number = int(arg)
+      elif opt in ("--svg"):
+         export_svg = True
+      elif opt in ("--bmp"):
+         export_bmp = True
+
+   if not export_svg and not export_bmp:
+      print('please explicitly provide --svg and/or --bmp option')
+      sys.exit()
+
+
+
+   # sys.exit()
+
+
+
+   # create maps export folder
+   base = "maps"
+   now = datetime.datetime.now()
+   now = now.strftime("%Y-%m-%d_%X")
+   print(now)
+   directory = base + "/" + now
+   try:
+      os.makedirs(directory)
+   except OSError as exception:
+      if exception.errno != errno.EEXIST:
+         raise
+
+
+   for i in range(0, number):
+      index = str(i) if i > 9 else '0'+str(i)
+      print(index)
+      generateMap(index, directory, export_svg, export_bmp)
+
+
+
+#     __  ___
+#    /  |/  /___ _____
+#   / /|_/ / __ `/ __ \
+#  / /  / / /_/ / /_/ /
+# /_/  /_/\__,_/ .___/
+#             /_/
+def generateMap(index, directory, svg, bmp):
+   nv = random.randint(5,15)
+   points = generatePolygon( ctrX=500, ctrY=500, aveRadius=300, irregularity=0.7, spikeyness=0.3, numVerts=nv )
+   # print(points)
+   lines = fractalize(points)
+   # print(lines)
+
+   if svg:
+      generateSVG(lines, directory, index)
 
+   if bmp:
+      generateBmp(lines, directory, index)
+
+#     ____        __
+#    / __ \____  / /_  ______ _____  ____
+#   / /_/ / __ \/ / / / / __ `/ __ \/ __ \
+#  / ____/ /_/ / / /_/ / /_/ / /_/ / / / /
+# /_/    \____/_/\__, /\__, /\____/_/ /_/
+#               /____//____/
 #  http://stackoverflow.com/questions/8997099/algorithm-to-generate-random-2d-polygon
 def generatePolygon( ctrX, ctrY, aveRadius, irregularity, spikeyness, numVerts ) :
    '''Start with the centre of the polygon at ctrX, ctrY,
@@ -55,9 +138,7 @@ def generatePolygon( ctrX, ctrY, aveRadius, irregularity, spikeyness, numVerts )
 
      angle = angle + angleSteps[i]
 
-   lines = fractalize(points)
-
-   return lines
+   return points
 
 def clip(x, min, max) :
    if( min > max ) :  return x
@@ -65,31 +146,40 @@ def clip(x, min, max) :
    elif( x > max ) :  return max
    else :             return x
 
-
+#     ______                __        ___
+#    / ____/________ ______/ /_____ _/ (_)___  ___
+#   / /_  / ___/ __ `/ ___/ __/ __ `/ / /_  / / _ \
+#  / __/ / /  / /_/ / /__/ /_/ /_/ / / / / /_/  __/
+# /_/   /_/   \__,_/\___/\__/\__,_/_/_/ /___/\___/
 def fractalize(points) :
    # print("Fractalize")
    # print(points)
    lines = []
+   cote_fract = random.randint(1,10)
+   # loop through points 2 by 2 to obtain lines
+   # line can be fractalized or not
    for p in range(0, len(points)):
       p1 = points[p]
-      # print(p1)
-      # points.append(p1)
       p2 = points[0] if p >= len(points)-1 else points[p+1];
-      pts = [p1,p2]
+      line_pts = [p1,p2]
+      # print(line_pts)
 
       # fractalize the line
-      if random.randint(1,10) > 3:
+      if random.randint(1,10) > cote_fract:
          # number of fracatllization
          for i in range(10):
             # loop throug points to divide then
             fpts = []
-            for v in range(0, len(pts)-1):
-               fp1 = pts[v]
+            for v in range(0, len(line_pts)-1):
+               fp1 = line_pts[v]
                fpts.append(fp1)
-               fp2 = pts[v+1];
+               fp2 = line_pts[v+1];
                d = distance(fp1,fp2)
                # print(d)
-               r = d*0.52
+               # r = d*0.52
+               fract_intesity = random.randint(501,800)* 0.001
+               r = d*fract_intesity
+
                fps1,fps2 = circle_intersection((fp1[0],fp1[1],r), (fp2[0],fp2[1],r))
                # print(fps1)
                # print(ps2)
@@ -100,10 +190,10 @@ def fractalize(points) :
 
             # add the last point
             fpts.append(fp2)
-            pts = fpts
+            line_pts = fpts
 
       # add the line, fractalized or not
-      lines.append(pts)
+      lines.append(line_pts)
 
    return lines
 
@@ -147,34 +237,14 @@ def circle_intersection(circle1, circle2):
 
    return (xs1,ys1),(xs2,ys2)
 
-# create maps export folder
-base = "maps"
-now = datetime.datetime.now()
-now = now.strftime("%Y-%m-%d_%X")
-print(now)
-directory = base + "/" + now
-try:
-   os.makedirs(directory)
-except OSError as exception:
-   if exception.errno != errno.EEXIST:
-      raise
-
-
-for i in range(0, 99):
-   print(i)
-   nv = random.randint(5,30)
-   lines = generatePolygon( ctrX=500, ctrY=500, aveRadius=300, irregularity=1, spikeyness=0.4, numVerts=nv )
-   # print(lines)
-
-   index = str(i) if i > 9 else '0'+str(i)
-
-   #    ______    ________
-   #   / ___/ |  / / ____/
-   #   \__ \| | / / / __
-   #  ___/ /| |/ / /_/ /
-   # /____/ |___/\____/
+#    ______    ________
+#   / ___/ |  / / ____/
+#   \__ \| | / / / __
+#  ___/ /| |/ / /_/ /
+# /____/ |___/\____/
+def generateSVG(lines, directory, index):
 
-   svg = svgwrite.Drawing(filename = directory+"/map"+index+".svg",size = ("1000px", "1000px"))
+   svg = svgwrite.Drawing(filename = directory+"/map-"+index+".svg",size = ("1000px", "1000px"))
 
    # polygone (white background)
    polygone = []
@@ -214,26 +284,36 @@ for i in range(0, 99):
 
    svg.save()
 
-
-   #     __    _ __
-   #    / /_  (_) /_____ ___  ____ _____
-   #   / __ \/ / __/ __ `__ \/ __ `/ __ \
-   #  / /_/ / / /_/ / / / / / /_/ / /_/ /
-   # /_.___/_/\__/_/ /_/ /_/\__,_/ .___/
-   #                            /_/
-   # black = (0,0,0)
-   # white=(255,255,255)
-   # im = Image.new('RGB', (1000, 1000), white)
-   # imPxAccess = im.load()
-   # draw = ImageDraw.Draw(im)
+#     __    _ __
+#    / /_  (_) /_____ ___  ____ _____
+#   / __ \/ / __/ __ `__ \/ __ `/ __ \
+#  / /_/ / / /_/ / / / / / /_/ / /_/ /
+# /_.___/_/\__/_/ /_/ /_/\__,_/ .___/
+#                            /_/
+def generateBmp(lines, directory, index):
+   black = (0,0,0)
+   white=(255,255,255)
+   im = Image.new('RGB', (1000, 1000), white)
+   imPxAccess = im.load()
+   draw = ImageDraw.Draw(im)
    # tupVerts = list(map(tuple,verts))
-   #
-   # # either use .polygon(), if you want to fill the area with a solid colour
-   # # draw.polygon( tupVerts, outline=black,fill=white )
-   #
-   # # or .line() if you want to control the line thickness, or use both methods together!
-   # draw.line( tupVerts+[tupVerts[0]], width=1, fill=black )
-   #
-   # # im.show()
-   # im.save(directory+'/map-'+str(index)+'.bmp')
-   # # now you can save the image (im), or do whatever else you want with it.
+
+   polygone = []
+   for l in range(0, len(lines)):
+      for p in range(0, len(lines[l])):
+         polygone.append(lines[l][p])
+
+
+   # either use .polygon(), if you want to fill the area with a solid colour
+   # draw.polygon( polygone, outline=black,fill=white )
+
+   # or .line() if you want to control the line thickness, or use both methods together!
+   draw.line( polygone+[polygone[0]], width=1, fill=black )
+
+   # im.show()
+   im.save(directory+'/map-'+str(index)+'.bmp')
+   # now you can save the image (im), or do whatever else you want with it.
+
+
+if __name__ == "__main__":
+   main(sys.argv[1:])