wip

axi/device.py

@@ -9,9 +9,9 @@ from serial.tools.list_ports import comports
 from .planner import Planner
 from .progress import Bar
 
-TIMESLICE_MS = 20
+TIMESLICE_MS = 10
 
-MICROSTEPPING_MODE = 2
+MICROSTEPPING_MODE = 1
 STEP_DIVIDER = 2 ** (MICROSTEPPING_MODE - 1)
 
 STEPS_PER_INCH = 2032 / STEP_DIVIDER
@@ -25,9 +25,17 @@ PEN_DOWN_POSITION = 40
 PEN_DOWN_SPEED = 150
 PEN_DOWN_DELAY = 0
 
-ACCELERATION = 8
+# ACCELERATION = 8
-MAX_VELOCITY = 6
+# MAX_VELOCITY = 6
-CORNER_FACTOR = 0.005 * 2
+# CORNER_FACTOR = 0.005
+
+ACCELERATION = 6
+MAX_VELOCITY = 4
+CORNER_FACTOR = 0.0025
+
+# ACCELERATION = 4
+# MAX_VELOCITY = 1
+# CORNER_FACTOR = 0.001
 
 VID_PID = '04D8:FD92'
 

axi/drawing.py

@@ -175,8 +175,9 @@ class Drawing(object):
         for angle in range(0, 180, step):
             drawing = self.rotate(angle)
             scale = min(width / drawing.width, height / drawing.height)
-            drawings.append((scale, drawing))
+            drawings.append((scale, angle, drawing))
-        scale, drawing = max(drawings)
+        scale, angle, drawing = max(drawings)
+        print angle
         return drawing.scale(scale, scale).center(width, height)
 
     def remove_paths_outside(self, width, height):

examples/nes.py

@@ -5,14 +5,36 @@ import numpy as np
 import os
 import sys
 
-NUMBER = 5
+NUMBER = '19'
-TITLE = 'Five Seconds of Donkey Kong'
+TITLE = 'Fifteen Seconds of The Legend of Zelda'
 LABEL = '#%s' % NUMBER
 
-COLUMNS = 6
+COLUMNS = 8
-SECONDS = 5
+SECONDS = 15
-FRAME_OFFSET = -150
+FRAME_OFFSET = 600
-MIN_CHANGES = 1
+MIN_CHANGES = 2
+UNIQUE = False
+SIMPLIFY = 5
+
+def simplify_sparkline(values, n):
+    if not n:
+        return values
+    result = []
+    previous = None
+    for x, y in enumerate(values):
+        if result:
+            window = result[-n:]
+            lo = min(window)
+            hi = max(window)
+            if y >= lo and y <= hi:
+                result.append(result[-1])
+                previous = y
+                continue
+        if previous is not None:
+            result[-1] = previous
+        result.append(y)
+        previous = y
+    return result
 
 def stack_drawings(ds, spacing=0):
     result = axi.Drawing()
@@ -52,7 +74,6 @@ def main():
     # read values and transpose
     data = [map(int, line.split(',')) for line in lines]
     data = np.transpose(data)
-
     print '%d series in file' % len(data)
 
     # trim to SECONDS worth of data
@@ -65,12 +86,23 @@ def main():
 
     # remove addresses with too few values
     data = [x for x in data if len(set(x)) > MIN_CHANGES]
-
     print '%d series that changed' % len(data)
 
+    # remove duplicate series
+    if UNIQUE:
+        new_data = []
+        seen = set()
+        for x in data:
+            k = tuple(x)
+            if k in seen:
+                continue
+            seen.add(k)
+            new_data.append(x)
+        data = new_data
+        print '%d unique series' % len(data)
+
     # trim so all rows are full
     data = data[:int((len(data) // COLUMNS) * COLUMNS)]
-
     print '%d series after trimming' % len(data)
 
     print '%d data points each' % len(data[0])
@@ -78,6 +110,7 @@ def main():
     # create sparklines in a grid pattern
     paths = []
     for i, row in enumerate(data):
+        row = simplify_sparkline(row, SIMPLIFY)
         r = i // COLUMNS
         c = i % COLUMNS
         lo = min(row)

examples/paths.py

@@ -5,20 +5,22 @@ def main():
     filename = sys.argv[1]
     print 'loading paths'
     d = axi.Drawing(axi.load_paths(filename))
-    print 'eliminating duplicate paths'
+    # print 'eliminating duplicate paths'
-    d.paths = list(set([tuple(x) for x in d.paths]))
+    # d.paths = list(set([tuple(x) for x in d.paths]))
+    print 'joining paths'
+    d = d.join_paths(0.001)
     print 'transforming paths'
     d = d.scale(1, -1)
     d = d.rotate_and_scale_to_fit(12, 8.5, step=90)
     print 'sorting paths'
     d = d.sort_paths()
     print 'joining paths'
-    d = d.join_paths(0.02)
+    d = d.join_paths(0.01)
     print 'simplifying paths'
     d = d.simplify_paths(0.001)
     print 'rendering paths'
     d.render(line_width=0.25/25.4).write_to_png('out.png')
-    axi.draw(d)
+    # axi.draw(d)
 
 if __name__ == '__main__':
     main()