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authorHiroshi Murayama <opiopan@gmail.com>2019-08-25 20:16:53 +0900
committerHiroshi Murayama <opiopan@gmail.com>2019-08-25 20:16:53 +0900
commit13ab9db6e7571f3d0fcb406bfe6795eea9ce4e1c (patch)
treebfde3dd80471f36f8aae2896aeb9eb5863e5d191 /gerberex/excellon.py
parent36956f93fe1773229b6b7bb1b851adf169f97f79 (diff)
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support incremental coordinate for excellon
Diffstat (limited to 'gerberex/excellon.py')
-rw-r--r--gerberex/excellon.py17
1 files changed, 10 insertions, 7 deletions
diff --git a/gerberex/excellon.py b/gerberex/excellon.py
index 7014a6e..a8c01c7 100644
--- a/gerberex/excellon.py
+++ b/gerberex/excellon.py
@@ -26,6 +26,13 @@ def loads(data, filename=None, settings=None, tools=None, format=None):
file = ExcellonParser(settings, tools).parse_raw(data, filename)
return ExcellonFileEx.from_file(file)
+def write_excellon_header(file, settings, tools):
+ file.write('M48\nFMAT,2\nICI,OFF\n%s\n' %
+ UnitStmtEx(settings.units, settings.zeros, settings.format).to_excellon(settings))
+ for tool in tools:
+ file.write(tool.to_excellon(settings) + '\n')
+ file.write('%%\nG90\n%s\n' % ('M72' if settings.units == 'inch' else 'M71'))
+
class ExcellonFileEx(ExcellonFile):
@classmethod
def from_file(cls, file):
@@ -180,6 +187,7 @@ class ExcellonFileEx(ExcellonFile):
self.tools[tool].to_inch()
for hit in self.hits:
hit.to_inch()
+ self.units = 'inch'
def to_metric(self):
if self.units == 'inch':
@@ -189,17 +197,12 @@ class ExcellonFileEx(ExcellonFile):
self.tools[tool].to_metric()
for hit in self.hits:
hit.to_metric()
+ self.units = 'metric'
def write(self, filename=None):
filename = filename if filename is not None else self.filename
with open(filename, 'w') as f:
-
- for statement in self.statements:
- if not isinstance(statement, ToolSelectionStmt):
- f.write(statement.to_excellon(self.settings) + '\n')
- else:
- break
-
+ write_excellon_header(f, self.settings, [self.tools[t] for t in self.tools])
for tool in iter(self.tools.values()):
f.write(ToolSelectionStmt(
tool.number).to_excellon(self.settings) + '\n')