Fix output directories.

draw.py

@@ -7,8 +7,8 @@
 if __name__ == '__main__':
     filename = sys.argv[1]
     coords = json.load(open(filename))
-    plotter = Plotter(width=910, height=800, margin=(50, 100), step_size=1, max_segment=1)
-    sim = Simulator(plotter_width=plotter.width, plotter_height=plotter.height, margin=plotter.margin, output_directory='/Users/fergal/Desktop/hipoplot/')
+    plotter = Plotter(width=910, height=800, margin=(50, 100), step_size=10, max_segment=10)
+    sim = Simulator(plotter_width=plotter.width, plotter_height=plotter.height, margin=plotter.margin, output_directory='output')
     cx, cy = (plotter.width / 2), (plotter.height / 2)
     plotter.set_initial_position(cx, cy)
     log('set initial lengths: %s, %s' % (plotter.m1.string_length, plotter.m2.string_length))

simulator.py

@@ -1,4 +1,5 @@
 import sys
+import os
 
 from PIL import Image
 from PIL import ImageDraw, ImageFont
@@ -13,6 +14,10 @@ def __init__(self, plotter_width, plotter_height, margin, skip_frames=100, outpu
         self.i = 0
         self.skip_frames = skip_frames
         self.output_directory = output_directory
+        try:
+            os.makedirs(output_directory)
+        except os.error:
+            pass
         self.height = 400
         self.scale_factor = self.height / float(plotter_height)
         self.width = int(plotter_width * self.scale_factor)
@@ -83,7 +88,7 @@ def render_test(self, coords):
 
 
 if __name__ == '__main__':
-    sim = Simulator(plotter_width=910, plotter_height=800, margin=(50, 100), skip_frames=10, output_directory='/Users/fergal/Desktop/hipoplot/')
+    sim = Simulator(plotter_width=910, plotter_height=800, margin=(50, 100), skip_frames=10, output_directory='output')
     sim.left_string_length, sim.right_string_length = 605, 605
     sim.step_size = 5
     sim.run(sys.stdin.readlines())