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-rw-r--r--README.md39
-rw-r--r--gerberex/composition.py22
-rw-r--r--gerberex/dxf.py205
-rw-r--r--test/data/base.txt370
-rw-r--r--test/data/fill3.dxf552
-rw-r--r--test/data/mousebite.dxf344
-rw-r--r--test/data/mousebites.dxf652
-rw-r--r--test/outline.GML626
-rwxr-xr-xtest/test.py25
9 files changed, 2786 insertions, 49 deletions
diff --git a/README.md b/README.md
index d44593e..8f90efa 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,9 @@
-PCB tools extension
+pcb-tools-extension
===
-PCB tools extension is a Python library to panelize gerber files.
-This library is designed based on [PCB tools](https://github.com/curtacircuitos/pcb-tools) which provides cool functionality to handle PCB such as generationg PCB image from gerber files.
+pcb-tools-extension is a Python library to panelize gerber files.
+This library is designed based on [pcb-tools](https://github.com/curtacircuitos/pcb-tools) which provides cool functionality to handle PCB such as generationg PCB image from gerber files.
-PCB tools extension adds following function to PCB tools.
+pcb-tools-extension adds following function to pcb-tools.
- Rotate PCB data
- Write back loded PCB data (original PCB tools does not work completely)
@@ -13,7 +13,7 @@ PCB tools extension adds following function to PCB tools.
Only RS-274x format and Excellon drill format data can be handled by current version of this library.
## Install
-PCB tools extension is not registerd to PyPI repository.<br>
+pcb-tools-extension is not registerd to PyPI repository.<br>
Please install from GitHub repository as below.
```shell
$ pip install git+https://github.com/opiopan/pcb-tools-extension
@@ -62,6 +62,8 @@ ctx.dump('panelized-board.txt')
```
## DXF file translation
+
+### PCB Outline
You can also load a dxf file and handle that as same as RX-274x gerber file.<br>
This function is useful to generate outline data of pnanelized PCB boad.
@@ -96,8 +98,33 @@ dxf.draw_mode = gerberex.DxfFile.DM_FILL
dxf.write('outline.gml')
```
+### Mouse bites
+
+<img alt="mouse bites" src="https://raw.githubusercontent.com/wiki/opiopan/pcb-tools-extension/images/mousebites.png" width=200 align="right">
+
+
+If ```DM_MOUSE_BITES``` is specified for ```drawing_mode```, filled circles will arranged along a DXF line object at equal intervals. <br>
+DXF file object in this state can be merged to excellon file also. That means you can arrange mouse bites easily.
+
+```python
+import gerberex
+
+ctx = gerberex.DrillComposition()
+drill = gerberex.read('drill.txt')
+ctx.merge(drill)
+
+dxf = gerberex.read('mousebites.dxf')
+dxf.draw_mode = gerberex.DxfFile.DM_MOUSE_BITES
+dxf.to_metric()
+dxf.width = 0.5
+dxf.pitch = 1
+ctx.merge(dxf)
+
+ctx.dump('merged_drill.txt')
+```
+
## Panelized board image Example
-This image is generated by original [PCB tools](https://github.com/curtacircuitos/pcb-tools) fucntion.
+This image is generated by original [pcb-tools](https://github.com/curtacircuitos/pcb-tools) fucntion.
<p align="center">
<img alt="description" src="https://raw.githubusercontent.com/wiki/opiopan/pcb-tools-extension/images/panelized.jpg" width=750>
diff --git a/gerberex/composition.py b/gerberex/composition.py
index afcaf97..73f5702 100644
--- a/gerberex/composition.py
+++ b/gerberex/composition.py
@@ -127,10 +127,13 @@ class DrillComposition(Composition):
self.header2_statements = []
self.tools = []
self.hits = []
+ self.dxf_statements = []
def merge(self, file):
if isinstance(file, gerberex.excellon.ExcellonFileEx):
self._merge_excellon(file)
+ elif isinstance(file, gerberex.DxfFile):
+ self._merge_dxf(file)
else:
raise Exception('unsupported file type')
@@ -147,6 +150,9 @@ class DrillComposition(Composition):
for h in self.hits:
if h.tool.number == t.number:
yield CoordinateStmt(*h.position).to_excellon(self.settings)
+ for num, statement in self.dxf_statements:
+ if num == t.number:
+ yield statement.to_excellon(self.settings)
yield EndOfProgramStmt().to_excellon()
with open(path, 'w') as f:
@@ -186,6 +192,22 @@ class DrillComposition(Composition):
hit.tool = tool_map[hit.tool.number]
self.hits.append(hit)
+ def _merge_dxf(self, file):
+ if not self.settings:
+ self.settings = file.settings
+ else:
+ if self.settings.units == 'metric':
+ file.to_metric()
+ else:
+ file.to_inch()
+
+ if not self.header1_statements:
+ self.header1_statements = file.header
+ self.header2_statements = file.header2
+
+ tool = self._register_tool(ExcellonTool(self.settings, number=1, diameter=file.width))
+ self.dxf_statements.append((tool.number, file.statements))
+
def _register_tool(self, tool):
for existing in self.tools:
if existing.equivalent(tool):
diff --git a/gerberex/dxf.py b/gerberex/dxf.py
index 11072b5..a2c26d0 100644
--- a/gerberex/dxf.py
+++ b/gerberex/dxf.py
@@ -8,13 +8,18 @@ from math import pi, cos, sin, tan, atan, atan2, acos, asin, sqrt
from gerber.cam import CamFile, FileSettings
from gerber.utils import inch, metric, write_gerber_value
from gerber.gerber_statements import ADParamStmt
+from gerber.excellon_statements import ExcellonTool
+from gerber.excellon_statements import CoordinateStmt
import dxfgrabber
class DxfStatement(object):
def __init__(self, entity):
self.entity = entity
- def to_gerber(self, settings=None):
+ def to_gerber(self, settings=None, pitch=0, width=0):
+ pass
+
+ def to_excellon(self, settings=None, pitch=0, width=0):
pass
def to_inch(self):
@@ -27,39 +32,77 @@ class DxfLineStatement(DxfStatement):
def __init__(self, entity):
super(DxfLineStatement, self).__init__(entity)
- def to_gerber(self, settings=FileSettings):
- x0 = self.entity.start[0]
- y0 = self.entity.start[1]
- x1 = self.entity.end[0]
- y1 = self.entity.end[1]
- return 'G01*\nX{0}Y{1}D02*\nX{2}Y{3}D01*'.format(
- write_gerber_value(x0, settings.format,
- settings.zero_suppression),
- write_gerber_value(y0, settings.format,
- settings.zero_suppression),
- write_gerber_value(x1, settings.format,
- settings.zero_suppression),
- write_gerber_value(y1, settings.format,
- settings.zero_suppression)
- )
+ def to_gerber(self, settings=FileSettings(), pitch=0, width=0):
+ if pitch == 0:
+ x0 = self.entity.start[0]
+ y0 = self.entity.start[1]
+ x1 = self.entity.end[0]
+ y1 = self.entity.end[1]
+ return 'G01*\nX{0}Y{1}D02*\nX{2}Y{3}D01*'.format(
+ write_gerber_value(x0, settings.format,
+ settings.zero_suppression),
+ write_gerber_value(y0, settings.format,
+ settings.zero_suppression),
+ write_gerber_value(x1, settings.format,
+ settings.zero_suppression),
+ write_gerber_value(y1, settings.format,
+ settings.zero_suppression)
+ )
+ else:
+ gstr = ""
+ for p in self._dots(pitch, width):
+ gstr += 'X{0}Y{1}D03*\n'.format(
+ write_gerber_value(p[0], settings.format,
+ settings.zero_suppression),
+ write_gerber_value(p[1], settings.format,
+ settings.zero_suppression))
+ return gstr
+
+ def to_excellon(self, settings=FileSettings(), pitch=0, width=0):
+ if not pitch:
+ return
+ gstr = ""
+ for p in self._dots(pitch, width):
+ gstr += CoordinateStmt(x=p[0], y=p[1]).to_excellon(settings) + '\n'
+ return gstr
def to_inch(self):
- self.entity.start[idx] = (
- inch(self.entity.start[idx][0]), inch(self.entity.start[idx][1]))
- self.entity.end[idx] = (
- inch(self.entity.end[idx][0]), inch(self.entity.end[idx][1]))
+ self.entity.start = (
+ inch(self.entity.start[0]), inch(self.entity.start[1]))
+ self.entity.end = (
+ inch(self.entity.end[0]), inch(self.entity.end[1]))
def to_metric(self):
- self.entity.start[idx] = (
- metric(self.entity.start[idx][0]), inch(self.entity.start[idx][1]))
- self.entity.end[idx] = (
- metric(self.entity.end[idx][0]), inch(self.entity.end[idx][1]))
+ self.entity.start = (
+ metric(self.entity.start[0]), inch(self.entity.start[1]))
+ self.entity.end = (
+ metric(self.entity.end[0]), inch(self.entity.end[1]))
+
+ def _dots(self, pitch, width):
+ x0 = self.entity.start[0]
+ y0 = self.entity.start[1]
+ x1 = self.entity.end[0]
+ y1 = self.entity.end[1]
+ xp = x1 - x0
+ yp = y1 - y0
+ l = sqrt(xp * xp + yp * yp)
+ xd = xp * pitch / l
+ yd = yp * pitch / l
+
+ d = 0;
+ while d < l + width / 2:
+ yield (x0, y0)
+ x0 += xd
+ y0 += yd
+ d += pitch
class DxfCircleStatement(DxfStatement):
def __init__(self, entity):
super(DxfCircleStatement, self).__init__(entity)
- def to_gerber(self, settings=FileSettings):
+ def to_gerber(self, settings=FileSettings(), pitch=0, width=0):
+ if pitch:
+ return
r = self.entity.radius
x0 = self.entity.center[0]
y0 = self.entity.center[1]
@@ -82,19 +125,21 @@ class DxfCircleStatement(DxfStatement):
def to_inch(self):
self.entity.radius = inch(self.entity.radius)
- self.entity.center[idx] = (
- inch(self.entity.center[idx][0]), inch(self.entity.center[idx][1]))
+ self.entity.center = (
+ inch(self.entity.center[0]), inch(self.entity.center[1]))
def to_metric(self):
self.entity.radius = metric(self.entity.radius)
- self.entity.center[idx] = (
- metric(self.entity.center[idx][0]), metric(self.entity.center[idx][1]))
+ self.entity.center = (
+ metric(self.entity.center[0]), metric(self.entity.center[1]))
class DxfArcStatement(DxfStatement):
def __init__(self, entity):
super(DxfArcStatement, self).__init__(entity)
- def to_gerber(self, settings=FileSettings):
+ def to_gerber(self, settings=FileSettings(), pitch=0, width=0):
+ if pitch:
+ return
deg0 = self.entity.start_angle
deg1 = self.entity.end_angle
r = self.entity.radius
@@ -126,21 +171,23 @@ class DxfArcStatement(DxfStatement):
self.entity.start_angle = inch(self.entity.start_angle)
self.entity.end_angle = inch(self.entity.end_angle)
self.entity.radius = inch(self.entity.radius)
- self.entity.center[idx] = (
- inch(self.entity.center[idx][0]), inch(self.entity.center[idx][1]))
+ self.entity.center = (
+ inch(self.entity.center[0]), inch(self.entity.center[1]))
def to_metric(self):
self.entity.start_angle = metric(self.entity.start_angle)
self.entity.end_angle = metric(self.entity.end_angle)
self.entity.radius = metric(self.entity.radius)
- self.entity.center[idx] = (
- metric(self.entity.center[idx][0]), metric(self.entity.center[idx][1]))
+ self.entity.center = (
+ metric(self.entity.center[0]), metric(self.entity.center[1]))
class DxfPolylineStatement(DxfStatement):
def __init__(self, entity):
super(DxfPolylineStatement, self).__init__(entity)
- def to_gerber(self, settings=FileSettings()):
+ def to_gerber(self, settings=FileSettings(), pitch=0, width=0):
+ if pitch:
+ return
x0 = self.entity.points[0][0]
y0 = self.entity.points[0][1]
b = self.entity.bulge[0]
@@ -214,6 +261,8 @@ class DxfStatements(object):
self._units = units
self.dcode = dcode
self.draw_mode = draw_mode
+ self.pitch = inch(1) if self._units == 'unit' else 1
+ self.width = 0
self.statements = []
for entity in entities:
if entity.dxftype == 'LWPOLYLINE':
@@ -241,19 +290,33 @@ class DxfStatements(object):
yield 'G37*'
else:
for statement in self.statements:
- yield statement.to_gerber(settings)
+ yield statement.to_gerber(
+ settings,
+ pitch=self.pitch if self.draw_mode == DxfFile.DM_MOUSE_BITES else 0,
+ width=self.width)
return '\n'.join(gerbers())
+ def to_excellon(self, settings=FileSettings()):
+ if not self.draw_mode == DxfFile.DM_MOUSE_BITES:
+ return
+ def drills():
+ for statement in self.statements:
+ if isinstance(statement, DxfLineStatement):
+ yield statement.to_excellon(settings, pitch=self.pitch, width=self.width)
+ return '\n'.join(drills())
+
def to_inch(self):
if self._units == 'metric':
self._units = 'inch'
+ self.pitch = inch(self.pitch)
for statement in self.statements:
statement.to_inch()
def to_metric(self):
if self._units == 'inch':
self._units = 'metric'
+ self.pitch = metric(self.pitch)
for statement in self.statements:
statement.to_metric()
@@ -270,6 +333,32 @@ class DxfHeaderStatement(object):
settings.format[0], settings.format[1],
settings.format[0], settings.format[1]
)
+
+ def to_excellon(self, settings):
+ return 'M48\n'\
+ 'FMAT,2\n'\
+ 'ICI,{0}\n'\
+ '{1},{2},{3}.{4}\n'\
+ '{5}'.format(
+ 'ON' if settings.notation == 'incremental' else 'OFF',
+ 'INCH' if settings.units == 'inch' else 'METRIC',
+ 'TZ' if settings.zero_suppression == 'leading' else 'LZ',
+ '0' * settings.format[0], '0' * settings.format[1],
+ 'M72' if settings.units == 'inch' else 'M71'
+ )
+
+ def to_inch(self):
+ pass
+
+ def to_metric(self):
+ pass
+
+class DxfHeader2Statement(object):
+ def to_gerber(self, settings):
+ pass
+
+ def to_excellon(self, settings):
+ return '%'
def to_inch(self):
pass
@@ -280,8 +369,15 @@ class DxfHeaderStatement(object):
class DxfFile(CamFile):
DM_LINE = 0
DM_FILL = 1
+ DM_MOUSE_BITES = 2
+
+ FT_RX274X = 0
+ FT_EXCELLON = 1
+
+ def __init__(self, dxf, settings=None, draw_mode=None, filename=None):
+ if not settings:
+ settings = FileSettings(zero_suppression='leading')
- def __init__(self, dxf, settings=FileSettings(), draw_mode=None, filename=None):
if draw_mode == None:
draw_mode = self.DM_LINE
if dxf.header['$INSUNITS'] == 1:
@@ -294,6 +390,8 @@ class DxfFile(CamFile):
super(DxfFile, self).__init__(settings=settings, filename=filename)
self._draw_mode = draw_mode
self.header = DxfHeaderStatement()
+
+ self.header2 = DxfHeader2Statement()
self.aperture = ADParamStmt.circle(dcode=10, diameter=0.0)
self.statements = DxfStatements(dxf.entities, self.units, dcode=self.aperture.d, draw_mode=self.draw_mode)
@@ -313,6 +411,7 @@ class DxfFile(CamFile):
@width.setter
def width(self, value):
self.aperture.modifiers = ([float(value),],)
+ self.statements.width = value
@property
def draw_mode(self):
@@ -322,23 +421,42 @@ class DxfFile(CamFile):
def draw_mode(self, value):
self._draw_mode = value
self.statements.draw_mode = value
+
+ @property
+ def pitch(self):
+ return self.statements.pitch
- def write(self, filename=None):
+ @pitch.setter
+ def pitch(self, value):
+ self.statements.pitch = value
+
+ def write(self, filename=None, filetype=FT_RX274X):
if self.settings.notation != 'absolute':
raise Exception('DXF file\'s notation must be absolute ')
-
+
filename = filename if filename is not None else self.filename
with open(filename, 'w') as f:
- f.write(self.header.to_gerber(self.settings) + '\n')
- f.write(self.aperture.to_gerber(self.settings) + '\n')
- f.write(self.statements.to_gerber(self.settings) + '\n')
- f.write('M02*\n')
+ if filetype == self.FT_RX274X:
+ f.write(self.header.to_gerber(self.settings) + '\n')
+ f.write(self.aperture.to_gerber(self.settings) + '\n')
+ f.write(self.statements.to_gerber(self.settings) + '\n')
+ f.write('M02*\n')
+ else:
+ tool = ExcellonTool(self.settings, number=1, diameter=self.width)
+ f.write(self.header.to_excellon(self.settings) + '\n')
+ f.write(tool.to_excellon(self.settings) + '\n')
+ f.write(self.header2.to_excellon(self.settings) + '\n')
+ f.write('T01\n')
+ f.write(self.statements.to_excellon(self.settings) + '\n')
+ f.write('M30\n')
+
def to_inch(self):
if self.units == 'metric':
self.header.to_inch()
self.aperture.to_inch()
self.statements.to_inch()
+ self.pitch = inch(self.pitch)
self.units = 'inch'
def to_metric(self):
@@ -346,6 +464,7 @@ class DxfFile(CamFile):
self.header.to_metric()
self.aperture.to_metric()
self.statements.to_metric()
+ self.pitch = metric(self.pitch)
self.units = 'metric'
def offset(self, ofset_x, offset_y):
diff --git a/test/data/base.txt b/test/data/base.txt
new file mode 100644
index 0000000..726db40
--- /dev/null
+++ b/test/data/base.txt
@@ -0,0 +1,370 @@
+M48
+;GenerationSoftware,Autodesk,EAGLE,9.3.0*%
+;CreationDate,2019-03-17T12:32:03Z*%
+FMAT,2
+ICI,OFF
+METRIC,TZ,000.000
+T01C0.350
+T02C0.850
+T03C1.000
+T04C1.150
+T05C2.750
+T06C0.508
+T07C0.800
+T08C0.930
+T09C1.200
+T10C0.400
+T11C0.500
+%
+G90
+M71
+T01
+X40640Y8509
+X39243Y8509
+X35306Y8509
+X36576Y8509
+X37846Y8509
+X15748Y12700
+X17018Y12192
+X17018Y13462
+X19558Y12192
+X19558Y13462
+X18288Y12700
+X22098Y12192
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+X20828Y12700
+X23368Y12700
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+X29083Y8890
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+X27178Y7620
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+X17018Y35962
+X19558Y34692
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+X23368Y35200
+X29718Y30120
+X29083Y31390
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+X27178Y30120
+X27813Y31390
+X28448Y32660
+X27178Y32660
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+X42164Y31009
+X34036Y31009
+X4191Y75113
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+X7747Y69017
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+X7112Y83907
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+X24191Y75113
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+X24064Y87178
+X27112Y87178
+X28890Y86035
+X21651Y84892
+X26096Y82479
+X32700Y78796
+X33335Y78161
+X27747Y82225
+X27112Y83907
+X34450Y94250
+X44191Y75113
+X51557Y75494
+X47747Y77018
+X47747Y69017
+X44064Y87178
+X47112Y87178
+X48890Y86035
+X41651Y84892
+X46096Y82479
+X52700Y78796
+X53335Y78161
+X47747Y82225
+X47112Y83907
+X54450Y94250
+X85979Y27680
+X91725Y27275
+X88194Y31940
+X93028Y30858
+X87811Y26069
+X83184Y31830
+X69618Y77521
+X65808Y80442
+X65173Y79680
+X68602Y93904
+X69618Y93904
+X70761Y77394
+X69999Y76505
+X91618Y77521
+X87808Y80442
+X87173Y79680
+X90602Y93904
+X91618Y93904
+X92761Y77394
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+T02
+X11095Y5667
+X11095Y8207
+X11095Y10747
+X11095Y28167
+X11095Y30707
+X11095Y33247
+T03
+X56630Y18070
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diff --git a/test/outline.GML b/test/outline.GML
new file mode 100644
index 0000000..267119a
--- /dev/null
+++ b/test/outline.GML
@@ -0,0 +1,626 @@
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diff --git a/test/test.py b/test/test.py
index ced478b..98da22f 100755
--- a/test/test.py
+++ b/test/test.py
@@ -49,6 +49,31 @@ os.chdir(os.path.dirname(__file__))
#merge2()
+ctx = gerberex.DrillComposition()
+base = gerberex.read('data/base.txt')
+dxf = gerberex.read('data/mousebites.dxf')
+dxf.draw_mode = DxfFile.DM_MOUSE_BITES
+dxf.to_metric()
+dxf.width = 0.5
+ctx.merge(base)
+ctx.merge(dxf)
+ctx.dump('outputs/merged.txt')
+
+dxf = gerberex.read('data/mousebite.dxf')
+dxf.zero_suppression = 'leading'
+dxf.write('outputs/a.gtl')
+dxf.draw_mode = DxfFile.DM_MOUSE_BITES
+dxf.width = 0.5
+dxf.write('outputs/b.gml')
+dxf.format = (3,3)
+dxf.write('outputs/b.txt', filetype=DxfFile.FT_EXCELLON)
+top = gerber.load_layer('outputs/a.gtl')
+drill = gerber.load_layer('outputs/b.txt')
+ctx = GerberCairoContext(scale=50)
+ctx.render_layer(top)
+ctx.render_layer(drill)
+ctx.dump('outputs/b.png')
+
file = gerberex.read('data/test.GTL')
file.rotate(45)
file.write('outputs/test_changed.GTL')