add examples

examples/panelize.py

@@ -0,0 +1,70 @@
+#!/usr/bin/env python
+
+import sys, os
+import gerberex
+from gerberex import DxfFile, GerberComposition, DrillComposition
+
+exts = ['GTL', 'GTO', 'GTP', 'GTS', 'GBL', 'GBO', 'GBP', 'GBS', 'TXT']
+boards=[
+    ('inputs/sonopi-digi.', 0, 0, 0),
+    ('inputs/sonopi-digi.', 0, 22.5, 0),
+    ('inputs/rcstick-f-small.', 0, 60, 0),
+    ('inputs/rcstick-f-small.', 20, 60, 0),
+    ('inputs/rcstick-f-small.', 40, 60, 0),
+    ('inputs/rcstick-f.', 92.216, 55.238, 190),
+    ('inputs/rcstick-jig.', 0, 44, 0),
+    ('inputs/stm32breakout.', 78.0, 59.36, 90),
+    ('inputs/stm32breakout.', 100.0, 59.36, 90),
+]
+outline =    'inputs/outline.dxf'
+mousebites = 'inputs/mousebites.dxf'
+fill =       'inputs/fill.dxf'
+outputs =    'outputs/panelized'
+
+os.chdir(os.path.dirname(__file__))
+try:
+    os.mkdir('outputs')
+except FileExistsError:
+    pass
+
+def putstr(text):
+    sys.stdout.write(text)
+    sys.stdout.flush()
+
+for ext in exts:
+    putstr('merging %s: ' % ext)
+    if ext == 'TXT':
+        ctx = DrillComposition()
+    else:
+        ctx = GerberComposition()
+    for path, x_offset, y_offset, theta in boards:
+        file = gerberex.read(path + ext)
+        file.to_metric()
+        file.rotate(theta)
+        file.offset(x_offset, y_offset)
+        ctx.merge(file)
+        putstr('.')
+    if ext == 'TXT':
+        file = gerberex.read(mousebites)
+        file.draw_mode = DxfFile.DM_MOUSE_BITES
+        file.width = 0.5
+        file.format = (3, 3)
+        ctx.merge(file)
+    else:
+        file = gerberex.read(outline)
+        ctx.merge(file)
+    ctx.dump(outputs + '.' + ext)
+    putstr(' end\n')
+
+putstr('generating GML: ')
+file = gerberex.read(outline)
+file.write(outputs + '.GML')
+putstr('.')
+ctx = GerberComposition()
+file = gerberex.read(fill)
+file.to_metric()
+file.draw_mode = DxfFile.DM_FILL
+ctx.merge(file)
+ctx.dump(outputs + '-fill.GML')
+
+putstr('. end\n')