diff options
Diffstat (limited to 'gerber/excellon.py')
| -rwxr-xr-x | gerber/excellon.py | 83 |
1 files changed, 72 insertions, 11 deletions
diff --git a/gerber/excellon.py b/gerber/excellon.py index 7333a98..c953e55 100755 --- a/gerber/excellon.py +++ b/gerber/excellon.py @@ -78,12 +78,12 @@ class DrillHit(object): def __init__(self, tool, position):
self.tool = tool
self.position = position
-
+
def to_inch(self):
if self.tool.units == 'metric':
self.tool.to_inch()
self.position = tuple(map(inch, self.position))
-
+
def to_metric(self):
if self.tool.units == 'inch':
self.tool.to_metric()
@@ -96,6 +96,7 @@ class ExcellonFile(CamFile): The ExcellonFile class represents a single excellon file.
http://www.excellon.com/manuals/program.htm
+ (archived version at https://web.archive.org/web/20150920001043/http://www.excellon.com/manuals/program.htm)
Parameters
----------
@@ -122,11 +123,11 @@ class ExcellonFile(CamFile): filename=filename)
self.tools = tools
self.hits = hits
-
+
@property
def primitives(self):
return [Drill(hit.position, hit.tool.diameter,units=self.settings.units) for hit in self.hits]
-
+
@property
def bounds(self):
@@ -169,14 +170,14 @@ class ExcellonFile(CamFile): def write(self, filename=None):
filename = filename if filename is not None else self.filename
with open(filename, 'w') as f:
-
+
# Copy the header verbatim
for statement in self.statements:
if not isinstance(statement, ToolSelectionStmt):
f.write(statement.to_excellon(self.settings) + '\n')
else:
break
-
+
# Write out coordinates for drill hits by tool
for tool in iter(self.tools.values()):
f.write(ToolSelectionStmt(tool.number).to_excellon(self.settings) + '\n')
@@ -184,7 +185,7 @@ class ExcellonFile(CamFile): if hit.tool.number == tool.number:
f.write(CoordinateStmt(*hit.position).to_excellon(self.settings) + '\n')
f.write(EndOfProgramStmt().to_excellon() + '\n')
-
+
def to_inch(self):
"""
Convert units to inches
@@ -235,7 +236,7 @@ class ExcellonFile(CamFile): lengths[num] = 0.0 if lengths.get(num) is None else lengths[num]
lengths[num] = lengths[num] + math.hypot(*tuple(map(operator.sub, positions[num], hit.position)))
positions[num] = hit.position
-
+
if tool_number is None:
return lengths
else:
@@ -270,8 +271,8 @@ class ExcellonFile(CamFile): for hit in self.hits:
if hit.tool.number == newtool.number:
hit.tool = newtool
-
-
+
+
class ExcellonParser(object):
""" Excellon File Parser
@@ -368,6 +369,15 @@ class ExcellonParser(object): if self.state == 'HEADER':
self.state = 'DRILL'
+ elif line[:3] == 'M15':
+ self.statements.append(ZAxisRoutPositionStmt())
+
+ elif line[:3] == 'M16':
+ self.statements.append(RetractWithClampingStmt())
+
+ elif line[:3] == 'M17':
+ self.statements.append(RetractWithoutClampingStmt())
+
elif line[:3] == 'M30':
stmt = EndOfProgramStmt.from_excellon(line, self._settings())
self.statements.append(stmt)
@@ -376,6 +386,44 @@ class ExcellonParser(object): self.statements.append(RouteModeStmt())
self.state = 'ROUT'
+ stmt = CoordinateStmt.from_excellon(line[3:], self._settings())
+ stmt.mode = self.state
+
+ x = stmt.x
+ y = stmt.y
+ self.statements.append(stmt)
+ if self.notation == 'absolute':
+ if x is not None:
+ self.pos[0] = x
+ if y is not None:
+ self.pos[1] = y
+ else:
+ if x is not None:
+ self.pos[0] += x
+ if y is not None:
+ self.pos[1] += y
+
+ elif line[:3] == 'G01':
+ self.statements.append(RouteModeStmt())
+ self.state = 'LINEAR'
+
+ stmt = CoordinateStmt.from_excellon(line[3:], self._settings())
+ stmt.mode = self.state
+
+ x = stmt.x
+ y = stmt.y
+ self.statements.append(stmt)
+ if self.notation == 'absolute':
+ if x is not None:
+ self.pos[0] = x
+ if y is not None:
+ self.pos[1] = y
+ else:
+ if x is not None:
+ self.pos[0] += x
+ if y is not None:
+ self.pos[1] += y
+
elif line[:3] == 'G05':
self.statements.append(DrillModeStmt())
self.state = 'DRILL'
@@ -404,10 +452,23 @@ class ExcellonParser(object): stmt = FormatStmt.from_excellon(line)
self.statements.append(stmt)
+ elif line[:3] == 'G40':
+ self.statements.append(CutterCompensationOffStmt())
+
+ elif line[:3] == 'G41':
+ self.statements.append(CutterCompensationLeftStmt())
+
+ elif line[:3] == 'G42':
+ self.statements.append(CutterCompensationRightStmt())
+
elif line[:3] == 'G90':
self.statements.append(AbsoluteModeStmt())
self.notation = 'absolute'
+ elif line[0] == 'F':
+ infeed_rate_stmt = ZAxisInfeedRateStmt.from_excellon(line)
+ self.statements.append(infeed_rate_stmt)
+
elif line[0] == 'T' and self.state == 'HEADER':
tool = ExcellonTool.from_excellon(line, self._settings())
self.tools[tool.number] = tool
@@ -475,7 +536,7 @@ def detect_excellon_format(data=None, filename=None): detected_format = None
zeros_options = ('leading', 'trailing', )
format_options = ((2, 4), (2, 5), (3, 3),)
-
+
if data is None and filename is None:
raise ValueError('Either data or filename arguments must be provided')
if data is None:
|