improve DXF file handling functions:
- DM_LINE mode support to generate Excellon routing sequence - DM_MOUSE_BITES mode support to generate mouse bites along all path also, not only line object
This commit is contained in:
Hiroshi Murayama
parent
882bf14a8d
commit
fc3f1a23b8
10 changed files with 309 additions and 289 deletions
325
gerberex/dxf.py
325
gerberex/dxf.py
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@ -12,7 +12,7 @@ from gerber.gerber_statements import ADParamStmt
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from gerber.excellon_statements import ExcellonTool
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from gerber.excellon_statements import CoordinateStmt
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from gerberex.utility import is_equal_point, is_equal_value
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from gerberex.dxf_path import generate_closed_paths
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from gerberex.dxf_path import generate_paths
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from gerberex.excellon import write_excellon_header
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from gerberex.rs274x import write_gerber_header
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@ -25,12 +25,6 @@ class DxfStatement(object):
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self.end = None
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self.is_closed = False
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def to_gerber(self, settings=None, pitch=0, width=0):
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pass
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def to_excellon(self, settings=None, pitch=0, width=0):
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pass
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def to_inch(self):
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pass
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@ -61,38 +55,6 @@ class DxfLineStatement(DxfStatement):
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super(DxfLineStatement, self).__init__(entity)
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self.start = start
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self.end = end
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def to_gerber(self, settings=FileSettings(), pitch=0, width=0):
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if pitch == 0:
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x0, y0 = self.start
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x1, y1 = self.end
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return 'G01*\nX{0}Y{1}D02*\nX{2}Y{3}D01*'.format(
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write_gerber_value(x0, settings.format,
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settings.zero_suppression),
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write_gerber_value(y0, settings.format,
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settings.zero_suppression),
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write_gerber_value(x1, settings.format,
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settings.zero_suppression),
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write_gerber_value(y1, settings.format,
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settings.zero_suppression)
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)
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else:
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gstr = ""
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for p in self._dots(pitch, width):
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gstr += 'X{0}Y{1}D03*\n'.format(
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write_gerber_value(p[0], settings.format,
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settings.zero_suppression),
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write_gerber_value(p[1], settings.format,
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settings.zero_suppression))
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return gstr
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def to_excellon(self, settings=FileSettings(), pitch=0, width=0):
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if not pitch:
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return
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gstr = ""
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for p in self._dots(pitch, width):
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gstr += CoordinateStmt(x=p[0], y=p[1]).to_excellon(settings) + '\n'
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return gstr
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def to_inch(self):
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self.start = (
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@ -119,7 +81,7 @@ class DxfLineStatement(DxfStatement):
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self.start = self.end
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self.end = pt
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def _dots(self, pitch, width):
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def dots(self, pitch, width, offset=0):
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x0, y0 = self.start
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x1, y1 = self.end
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y1 = self.end[1]
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@ -128,13 +90,18 @@ class DxfLineStatement(DxfStatement):
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l = sqrt(xp * xp + yp * yp)
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xd = xp * pitch / l
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yd = yp * pitch / l
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x0 += xp * offset / l
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y0 += yp * offset / l
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d = 0;
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while d < l + width / 2:
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yield (x0, y0)
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x0 += xd
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y0 += yd
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d += pitch
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if offset > l + width / 2:
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return (None, offset - l)
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else:
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d = offset;
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while d < l + width / 2:
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yield ((x0, y0), d - l)
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x0 += xd
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y0 += yd
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d += pitch
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def offset(self, offset_x, offset_y):
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self.start = (self.start[0] + offset_x, self.start[1] + offset_y)
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@ -144,104 +111,34 @@ class DxfLineStatement(DxfStatement):
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self.start = rotate_point(self.start, angle, center)
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self.end = rotate_point(self.end, angle, center)
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class DxfCircleStatement(DxfStatement):
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def __init__(self, entity):
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super(DxfCircleStatement, self).__init__(entity)
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self.radius = self.entity.radius
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self.center = (self.entity.center[0], self.entity.center[1])
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self.start = (self.center[0] + self.radius, self.center[1])
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self.end = self.start
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self.is_closed = True
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def to_gerber(self, settings=FileSettings(), pitch=0, width=0):
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if pitch:
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return
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r = self.radius
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x0, y0 = self.center
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return 'G01*\nX{0}Y{1}D02*\n' \
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'G75*\nG03*\nX{2}Y{3}I{4}J{5}D01*'.format(
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write_gerber_value(x0 + r, settings.format,
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settings.zero_suppression),
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write_gerber_value(y0, settings.format,
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settings.zero_suppression),
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write_gerber_value(x0 + r, settings.format,
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settings.zero_suppression),
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write_gerber_value(y0, settings.format,
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settings.zero_suppression),
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write_gerber_value(-r, settings.format,
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settings.zero_suppression),
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write_gerber_value(0, settings.format,
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settings.zero_suppression)
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)
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def to_inch(self):
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self.radius = inch(self.radius)
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self.center = (
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inch(self.center[0]), inch(self.center[1]))
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def to_metric(self):
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self.radius = metric(self.radius)
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self.center = (
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metric(self.center[0]), metric(self.center[1]))
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def is_equal_to(self, target, error_range=0):
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if not isinstance(target, DxfCircleStatement):
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return False
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return is_equal_point(self.center, target.enter, error_range) and \
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is_equal_value(self.radius, target.radius)
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def reverse(self):
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pass
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def offset(self, offset_x, offset_y):
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self.center = (self.center[0] + offset_x, self.center[1] + offset_y)
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def rotate(self, angle, center=(0, 0)):
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self.center = rotate_point(self.center, angle, center)
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class DxfArcStatement(DxfStatement):
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def __init__(self, entity):
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super(DxfArcStatement, self).__init__(entity)
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self.start_angle = self.entity.start_angle
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self.end_angle = self.entity.end_angle
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self.radius = self.entity.radius
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self.center = (self.entity.center[0], self.entity.center[1])
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self.start = (
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self.center[0] + self.radius * cos(self.start_angle / 180. * pi),
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self.center[1] + self.radius * sin(self.start_angle / 180. * pi),
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)
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self.end = (
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self.center[0] + self.radius * cos(self.end_angle / 180. * pi),
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self.center[1] + self.radius * sin(self.end_angle / 180. * pi),
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)
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angle = self.end_angle - self.start_angle
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self.is_closed = angle >= 360 or angle <= -360
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def to_gerber(self, settings=FileSettings(), pitch=0, width=0):
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if pitch:
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return
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x0 = self.center[0]
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y0 = self.center[1]
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start_x, start_y = self.start
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end_x, end_y = self.end
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return 'G01*\nX{0}Y{1}D02*\n' \
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'G75*\nG{2}*\nX{3}Y{4}I{5}J{6}D01*'.format(
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write_gerber_value(start_x, settings.format,
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settings.zero_suppression),
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write_gerber_value(start_y, settings.format,
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settings.zero_suppression),
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'02' if self.start_angle > self.end_angle else '03',
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write_gerber_value(end_x, settings.format,
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settings.zero_suppression),
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write_gerber_value(end_y, settings.format,
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settings.zero_suppression),
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write_gerber_value(x0 - start_x, settings.format,
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settings.zero_suppression),
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write_gerber_value(y0 - start_y, settings.format,
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settings.zero_suppression)
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)
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if entity.dxftype == 'CIRCLE':
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self.radius = self.entity.radius
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self.center = (self.entity.center[0], self.entity.center[1])
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self.start = (self.center[0] + self.radius, self.center[1])
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self.end = self.start
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self.start_angle = 0
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self.end_angle = -360
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self.is_closed = True
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elif entity.dxftype == 'ARC':
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self.start_angle = self.entity.start_angle
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self.end_angle = self.entity.end_angle
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self.radius = self.entity.radius
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self.center = (self.entity.center[0], self.entity.center[1])
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self.start = (
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self.center[0] + self.radius * cos(self.start_angle / 180. * pi),
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self.center[1] + self.radius * sin(self.start_angle / 180. * pi),
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)
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self.end = (
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self.center[0] + self.radius * cos(self.end_angle / 180. * pi),
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self.center[1] + self.radius * sin(self.end_angle / 180. * pi),
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)
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angle = self.end_angle - self.start_angle
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self.is_closed = angle >= 360 or angle <= -360
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else:
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raise Exception('invalid DXF type was specified')
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def to_inch(self):
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self.radius = inch(self.radius)
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@ -274,6 +171,28 @@ class DxfArcStatement(DxfStatement):
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self.start = self.end
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self.end = tmp
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def dots(self, pitch, width, offset=0):
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angle = self.end_angle - self.start_angle
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afactor = 1 if angle > 0 else -1
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aangle = angle * afactor
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L = 2 * pi * self.radius
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l = L * aangle / 360
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pangle = pitch / L * 360
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wangle = width / L * 360
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oangle = offset / L * 360
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if offset > l + width / 2:
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yield (None, offset - l)
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else:
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da = oangle
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while da < aangle + wangle / 2:
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cangle = self.start_angle + da * afactor
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x = self.radius * cos(cangle / 180 * pi) + self.center[0]
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y = self.radius * sin(cangle / 180 * pi) + self.center[1]
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remain = (da - aangle) / 360 * L
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yield((x, y), remain)
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da += pangle
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def offset(self, offset_x, offset_y):
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self.center = (self.center[0] + offset_x, self.center[1] + offset_y)
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self.start = (self.start[0] + offset_x, self.start[1] + offset_y)
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@ -296,36 +215,30 @@ class DxfPolylineStatement(DxfStatement):
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else:
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self.end = (self.entity.points[-1][0], self.entity.points[-1][1])
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def to_gerber(self, settings=FileSettings(), pitch=0, width=0):
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if pitch:
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return
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x0 = self.entity.points[0][0]
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y0 = self.entity.points[0][1]
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b = self.entity.bulge[0]
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gerber = 'G01*\nX{0}Y{1}D02*\nG75*'.format(
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write_gerber_value(x0, settings.format,
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settings.zero_suppression),
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write_gerber_value(y0, settings.format,
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settings.zero_suppression),
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)
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def disassemble(self):
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class Item:
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pass
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def ptseq():
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for i in range(1, len(self.entity.points)):
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yield i
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if self.entity.is_closed:
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yield 0
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x0 = self.entity.points[0][0]
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y0 = self.entity.points[0][1]
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b = self.entity.bulge[0]
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for idx in ptseq():
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pt = self.entity.points[idx]
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x1 = pt[0]
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y1 = pt[1]
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if b == 0:
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gerber += '\nG01*\nX{0}Y{1}D01*'.format(
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write_gerber_value(x1, settings.format,
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settings.zero_suppression),
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write_gerber_value(y1, settings.format,
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settings.zero_suppression),
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)
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item = Item()
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item.dxftype = 'LINE'
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item.start = (x0, y0)
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item.end = (x1, y1)
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item.is_closed = False
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yield DxfLineStatement.from_entity(item)
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else:
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ang = 4 * atan(b)
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xm = x0 + x1
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@ -334,24 +247,27 @@ class DxfPolylineStatement(DxfStatement):
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xc = (xm - t * (y1 - y0)) / 2
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yc = (ym + t * (x1 - x0)) / 2
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r = sqrt((x0 - xc)*(x0 - xc) + (y0 - yc)*(y0 - yc))
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rx0 = x0 - xc
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ry0 = y0 - yc
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rc = max(min(rx0 / r, 1.0), -1.0)
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start_angle = acos(rc) if ry0 > 0 else 2 * pi - acos(rc)
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start_angle *= 180 / pi
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end_angle = start_angle + ang * 180 / pi
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gerber += '\nG{0}*\nX{1}Y{2}I{3}J{4}D01*'.format(
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'03' if ang > 0 else '02',
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write_gerber_value(x1, settings.format,
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settings.zero_suppression),
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write_gerber_value(y1, settings.format,
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settings.zero_suppression),
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write_gerber_value(xc - x0, settings.format,
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settings.zero_suppression),
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write_gerber_value(yc - y0, settings.format,
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settings.zero_suppression)
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)
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item = Item()
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item.dxftype = 'ARC'
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item.start = (x0, y0)
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item.end = (x1, y1)
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item.start_angle = start_angle
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item.end_angle = end_angle
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item.radius = r
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item.center = (xc, yc)
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item.is_closed = end_angle - start_angle >= 360
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yield DxfArcStatement(item)
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x0 = x1
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y0 = y1
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b = self.entity.bulge[idx]
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return gerber
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def to_inch(self):
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self.start = (inch(self.start[0]), inch(self.start[1]))
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@ -376,7 +292,6 @@ class DxfPolylineStatement(DxfStatement):
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for idx in range(len(self.entity.points)):
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self.entity.points[idx] = rotate_point(self.entity.points[idx], angle, center)
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class DxfStatements(object):
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def __init__(self, statements, units, dcode=10, draw_mode=None):
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if draw_mode == None:
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@ -388,7 +303,7 @@ class DxfStatements(object):
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self.width = 0
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self.error_range = inch(ACCEPTABLE_ERROR) if self._units == 'inch' else ACCEPTABLE_ERROR
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self.statements = statements
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self.paths = generate_closed_paths(self.statements, self.error_range)
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self.close_paths, self.open_paths = generate_paths(self.statements, self.error_range)
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@property
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def units(self):
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@ -401,58 +316,62 @@ class DxfStatements(object):
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yield 'D{0}*'.format(self.dcode)
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if self.draw_mode == DxfFile.DM_FILL:
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yield 'G36*'
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for statement in self.statements:
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if isinstance(statement, DxfCircleStatement) or \
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(isinstance(statement, DxfPolylineStatement) and statement.entity.is_closed):
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yield statement.to_gerber(settings)
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for path in self.paths:
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for path in self.close_paths:
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yield path.to_gerber(settings)
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yield 'G37*'
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else:
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for statement in self.statements:
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yield statement.to_gerber(
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settings,
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pitch=self.pitch if self.draw_mode == DxfFile.DM_MOUSE_BITES else 0,
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width=self.width)
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pitch = self.pitch if self.draw_mode == DxfFile.DM_MOUSE_BITES else 0
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for path in self.open_paths:
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yield path.to_gerber(settings, pitch=pitch, width=self.width)
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for path in self.close_paths:
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yield path.to_gerber(settings, pitch=pitch, width=self.width)
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return '\n'.join(gerbers())
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def to_excellon(self, settings=FileSettings()):
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if not self.draw_mode == DxfFile.DM_MOUSE_BITES:
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if self.draw_mode == DxfFile.DM_FILL:
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return
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def drills():
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for statement in self.statements:
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if isinstance(statement, DxfLineStatement):
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yield statement.to_excellon(settings, pitch=self.pitch, width=self.width)
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pitch = self.pitch if self.draw_mode == DxfFile.DM_MOUSE_BITES else 0
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for path in self.open_paths:
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yield path.to_excellon(settings, pitch=pitch, width=self.width)
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for path in self.close_paths:
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yield path.to_excellon(settings, pitch=pitch, width=self.width)
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return '\n'.join(drills())
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def to_inch(self):
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if self._units == 'metric':
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self._units = 'inch'
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self.pitch = inch(self.pitch)
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self.width = inch(self.width)
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self.error_range = inch(self.error_range)
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for statement in self.statements:
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statement.to_inch()
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for path in self.paths:
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for path in self.open_paths:
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path.to_inch()
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for path in self.close_paths:
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path.to_inch()
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def to_metric(self):
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if self._units == 'inch':
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self._units = 'metric'
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self.pitch = metric(self.pitch)
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self.width = metric(self.width)
|
||||
self.error_range = metric(self.error_range)
|
||||
for statement in self.statements:
|
||||
statement.to_metric()
|
||||
for path in self.paths:
|
||||
for path in self.open_paths:
|
||||
path.to_metric()
|
||||
for path in self.close_paths:
|
||||
path.to_metric()
|
||||
|
||||
def offset(self, offset_x, offset_y):
|
||||
for statement in self.statements:
|
||||
statement.offset(offset_x, offset_y)
|
||||
for path in self.open_paths:
|
||||
path.offset(offset_x, offset_y)
|
||||
for path in self.close_paths:
|
||||
path.offset(offset_x, offset_y)
|
||||
|
||||
def rotate(self, angle, center=(0, 0)):
|
||||
for statement in self.statements:
|
||||
statement.rotate(angle, center)
|
||||
for path in self.open_paths:
|
||||
path.rotate(angle, center)
|
||||
for path in self.close_paths:
|
||||
path.rotate(angle, center)
|
||||
|
||||
class DxfFile(CamFile):
|
||||
DM_LINE = 0
|
||||
|
|
@ -483,7 +402,7 @@ class DxfFile(CamFile):
|
|||
elif entity.dxftype == 'LINE':
|
||||
statements.append(DxfLineStatement.from_entity(entity))
|
||||
elif entity.dxftype == 'CIRCLE':
|
||||
statements.append(DxfCircleStatement(entity))
|
||||
statements.append(DxfArcStatement(entity))
|
||||
elif entity.dxftype == 'ARC':
|
||||
statements.append(DxfArcStatement(entity))
|
||||
|
||||
|
|
@ -513,6 +432,10 @@ class DxfFile(CamFile):
|
|||
self._draw_mode = draw_mode
|
||||
|
||||
self.aperture = ADParamStmt.circle(dcode=10, diameter=0.0)
|
||||
if settings.units == 'inch':
|
||||
self.aperture.to_inch()
|
||||
else:
|
||||
self.aperture.to_metric()
|
||||
self.statements = DxfStatements(
|
||||
statements, self.units, dcode=self.aperture.d, draw_mode=self.draw_mode)
|
||||
|
||||
|
|
|
|||
|
|
@ -6,10 +6,11 @@
|
|||
from gerber.utils import inch, metric, write_gerber_value
|
||||
from gerber.cam import FileSettings
|
||||
from gerberex.utility import is_equal_point, is_equal_value
|
||||
from gerberex.excellon import CoordinateStmtEx
|
||||
|
||||
class DxfPath(object):
|
||||
def __init__(self, statement, error_range=0):
|
||||
self.statements = [statement]
|
||||
def __init__(self, statements, error_range=0):
|
||||
self.statements = statements
|
||||
self.error_range = error_range
|
||||
|
||||
@property
|
||||
|
|
@ -22,8 +23,10 @@ class DxfPath(object):
|
|||
|
||||
@property
|
||||
def is_closed(self):
|
||||
return len(self.statements) > 1 and \
|
||||
is_equal_point(self.start, self.end, self.error_range)
|
||||
if len(self.statements) == 1:
|
||||
return self.statements[0].is_closed
|
||||
else:
|
||||
return is_equal_point(self.start, self.end, self.error_range)
|
||||
|
||||
def is_equal_to(self, target, error_range=0):
|
||||
if not isinstance(target, DxfPath):
|
||||
|
|
@ -43,12 +46,31 @@ class DxfPath(object):
|
|||
return False
|
||||
return True
|
||||
return False
|
||||
|
||||
def contain(self, target, error_range=0):
|
||||
for statement in self.statements:
|
||||
if statement.is_equal_to(target, error_range):
|
||||
return True
|
||||
else:
|
||||
return False
|
||||
|
||||
def to_inch(self):
|
||||
self.error_range = inch(self.error_range)
|
||||
for statement in self.statements:
|
||||
statement.to_inch()
|
||||
|
||||
def to_metric(self):
|
||||
self.error_range = metric(self.error_range)
|
||||
for statement in self.statements:
|
||||
statement.to_metric()
|
||||
|
||||
def offset(self, offset_x, offset_y):
|
||||
for statement in self.statements:
|
||||
statement.offset(offset_x, offset_y)
|
||||
|
||||
def rotate(self, angle, center=(0, 0)):
|
||||
for statement in self.statements:
|
||||
statement.rotate(angle, center)
|
||||
|
||||
def reverse(self):
|
||||
rlist = []
|
||||
|
|
@ -133,60 +155,118 @@ class DxfPath(object):
|
|||
|
||||
def to_gerber(self, settings=FileSettings(), pitch=0, width=0):
|
||||
from gerberex.dxf import DxfArcStatement
|
||||
if pitch:
|
||||
return
|
||||
if pitch == 0:
|
||||
x0, y0 = self.statements[0].start
|
||||
gerber = 'G01*\nX{0}Y{1}D02*\nG75*'.format(
|
||||
write_gerber_value(x0, settings.format,
|
||||
settings.zero_suppression),
|
||||
write_gerber_value(y0, settings.format,
|
||||
settings.zero_suppression),
|
||||
)
|
||||
|
||||
x0, y0 = self.statements[0].start
|
||||
gerber = 'G01*\nX{0}Y{1}D02*\nG75*'.format(
|
||||
write_gerber_value(x0, settings.format,
|
||||
settings.zero_suppression),
|
||||
write_gerber_value(y0, settings.format,
|
||||
settings.zero_suppression),
|
||||
)
|
||||
|
||||
for statement in self.statements:
|
||||
x0, y0 = statement.start
|
||||
x1, y1 = statement.end
|
||||
if isinstance(statement, DxfArcStatement):
|
||||
xc, yc = statement.center
|
||||
gerber += '\nG{0}*\nX{1}Y{2}I{3}J{4}D01*'.format(
|
||||
'03' if statement.end_angle > statement.start_angle else '02',
|
||||
write_gerber_value(x1, settings.format,
|
||||
settings.zero_suppression),
|
||||
write_gerber_value(y1, settings.format,
|
||||
settings.zero_suppression),
|
||||
write_gerber_value(xc - x0, settings.format,
|
||||
settings.zero_suppression),
|
||||
write_gerber_value(yc - y0, settings.format,
|
||||
settings.zero_suppression)
|
||||
)
|
||||
else:
|
||||
gerber += '\nG01*\nX{0}Y{1}D01*'.format(
|
||||
write_gerber_value(x1, settings.format,
|
||||
settings.zero_suppression),
|
||||
write_gerber_value(y1, settings.format,
|
||||
for statement in self.statements:
|
||||
x0, y0 = statement.start
|
||||
x1, y1 = statement.end
|
||||
if isinstance(statement, DxfArcStatement):
|
||||
xc, yc = statement.center
|
||||
gerber += '\nG{0}*\nX{1}Y{2}I{3}J{4}D01*'.format(
|
||||
'03' if statement.end_angle > statement.start_angle else '02',
|
||||
write_gerber_value(x1, settings.format,
|
||||
settings.zero_suppression),
|
||||
write_gerber_value(y1, settings.format,
|
||||
settings.zero_suppression),
|
||||
write_gerber_value(xc - x0, settings.format,
|
||||
settings.zero_suppression),
|
||||
write_gerber_value(yc - y0, settings.format,
|
||||
settings.zero_suppression)
|
||||
)
|
||||
else:
|
||||
gerber += '\nG01*\nX{0}Y{1}D01*'.format(
|
||||
write_gerber_value(x1, settings.format,
|
||||
settings.zero_suppression),
|
||||
write_gerber_value(y1, settings.format,
|
||||
settings.zero_suppression),
|
||||
)
|
||||
else:
|
||||
def ploter(x, y):
|
||||
return 'X{0}Y{1}D03*\n'.format(
|
||||
write_gerber_value(x, settings.format,
|
||||
settings.zero_suppression),
|
||||
write_gerber_value(y, settings.format,
|
||||
settings.zero_suppression),
|
||||
)
|
||||
gerber = self._plot_dots(pitch, width, ploter)
|
||||
|
||||
return gerber
|
||||
|
||||
def generate_closed_paths(statements, error_range=0):
|
||||
from gerberex.dxf import DxfLineStatement, DxfArcStatement
|
||||
def to_excellon(self, settings=FileSettings(), pitch=0, width=0):
|
||||
from gerberex.dxf import DxfArcStatement
|
||||
if pitch == 0:
|
||||
x, y = self.statements[0].start
|
||||
excellon = 'G00{0}\nM15\n'.format(
|
||||
CoordinateStmtEx(x=x, y=y).to_excellon(settings))
|
||||
|
||||
for statement in self.statements:
|
||||
x, y = statement.end
|
||||
if isinstance(statement, DxfArcStatement):
|
||||
r = statement.radius
|
||||
excellon += '{0}{1}\n'.format(
|
||||
'G03' if statement.end_angle > statement.start_angle else 'G02',
|
||||
CoordinateStmtEx(x=x, y=y, radius=r).to_excellon(settings))
|
||||
else:
|
||||
excellon += 'G01{0}\n'.format(
|
||||
CoordinateStmtEx(x=x, y=y).to_excellon(settings))
|
||||
|
||||
excellon += 'M16\nG05\n'
|
||||
else:
|
||||
def ploter(x, y):
|
||||
return CoordinateStmtEx(x=x, y=y).to_excellon(settings) + '\n'
|
||||
excellon = self._plot_dots(pitch, width, ploter)
|
||||
|
||||
return excellon
|
||||
|
||||
def _plot_dots(self, pitch, width, ploter):
|
||||
out = ''
|
||||
offset = 0
|
||||
for idx in range(0, len(self.statements)):
|
||||
statement = self.statements[idx]
|
||||
if offset < 0:
|
||||
offset += pitch
|
||||
for dot, offset in statement.dots(pitch, width, offset):
|
||||
if dot is None:
|
||||
break
|
||||
if offset > 0 and (statement.is_closed or idx != len(self.statements) - 1):
|
||||
break
|
||||
#if idx == len(self.statements) - 1 and statement.is_closed and offset > -pitch:
|
||||
# break
|
||||
out += ploter(dot[0], dot[1])
|
||||
return out
|
||||
|
||||
|
||||
def generate_paths(statements, error_range=0):
|
||||
from gerberex.dxf import DxfPolylineStatement
|
||||
|
||||
paths = []
|
||||
for statement in filter(lambda s: isinstance(s, DxfPolylineStatement), statements):
|
||||
units = [unit for unit in statement.disassemble()]
|
||||
paths.append(DxfPath(units, error_range))
|
||||
|
||||
unique_statements = []
|
||||
redundant = 0
|
||||
for statement in statements:
|
||||
for target in unique_statements:
|
||||
if not isinstance(statement, DxfLineStatement) and \
|
||||
not isinstance(statement, DxfArcStatement):
|
||||
break
|
||||
if statement.is_equal_to(target, error_range):
|
||||
for statement in filter(lambda s: not isinstance(s, DxfPolylineStatement), statements):
|
||||
for path in paths:
|
||||
if path.contain(statement):
|
||||
redundant += 1
|
||||
break
|
||||
else:
|
||||
unique_statements.append(statement)
|
||||
for target in unique_statements:
|
||||
if statement.is_equal_to(target, error_range):
|
||||
redundant += 1
|
||||
break
|
||||
else:
|
||||
unique_statements.append(statement)
|
||||
|
||||
paths = [DxfPath(s, error_range) for s in unique_statements]
|
||||
paths.extend([DxfPath([s], error_range) for s in unique_statements])
|
||||
|
||||
prev_paths_num = 0
|
||||
while prev_paths_num != len(paths):
|
||||
|
|
@ -201,5 +281,7 @@ def generate_closed_paths(statements, error_range=0):
|
|||
working.append(mergee)
|
||||
prev_paths_num = len(paths)
|
||||
paths = working
|
||||
return list(filter(lambda p: p.is_closed, paths))
|
||||
|
||||
closed_path = list(filter(lambda p: p.is_closed, paths))
|
||||
open_path = list(filter(lambda p: not p.is_closed, paths))
|
||||
return (closed_path, open_path)
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue