Get unit conversion working for Gerber/Excellon files

Started operations module for file operations/transforms

1 files changed, 27 insertions, 2 deletions

diff --git a/gerber/excellon.py b/gerber/excellon.py
index a7f3a27..a339827 100755
--- a/gerber/excellon.py
+++ b/gerber/excellon.py
@@ -23,12 +23,12 @@ Excellon File module
 This module provides Excellon file classes and parsing utilities

 """

 

+import math

 

 from .excellon_statements import *

 from .cam import CamFile, FileSettings

 from .primitives import Drill

-import math

-import re

+

 

 def read(filename):

     """ Read data from filename and return an ExcellonFile

@@ -122,6 +122,31 @@ class ExcellonFile(CamFile):
             for statement in self.statements:

                 f.write(statement.to_excellon(self.settings) + '\n')

 

+    def to_inch(self):

+        """

+        Convert units to inches

+        """

+        if self.units != 'inch':

+            self.units = 'inch'

+            for statement in self.statements:

+                statement.to_inch()

+            for tool in self.tools.itervalues():

+                tool.to_inch()

+            for primitive in self.primitives:

+                primitive.to_inch()

+

+    def to_metric(self):

+        """  Convert units to metric

+        """

+        if self.units != 'metric':

+            self.units = 'metric'

+            for statement in self.statements:

+                statement.to_metric()

+            for tool in self.tools.itervalues():

+                tool.to_metric()

+            for primitive in self.primitives:

+                primitive.to_metric()

+

 

 class ExcellonParser(object):

     """ Excellon File Parser