def flatten_glider(glider, path):
# Temporary declarations:
allowance_general = 0.01
parts = []
drawing = dxf.drawing(path)
drawing.add_layer('MARKS')
drawing.add_layer('CUTS')
for cell in glider.cells:
left, right = flattened_cell(cell)
left_out = left.copy()
right_out = right.copy()
left_out.add_stuff(-allowance_general)
right_out.add_stuff(allowance_general)
right_out.data = right_out.data[::-1]
left_out += right_out
right.data = right.data[::-1]
left = left + right
left.layer = 'MARKS'
left_out.layer = 'CUTS'
parts.append([left, left_out])
startx = 0
for liste in parts:
startpoint = [startx + 0.1, 0]
group = DXFList()
for element in liste:
startx = max(startx,
startpoint[0] + max([x[0] for x in element.data]))
group.append(
dxf.polyline(points=(element.data + startpoint) * 1000,
layer=element.layer))
drawing.add(group)
drawing.save()
return True
def flatten_glider(glider, path):
# Temporary declarations:
allowance_general = 0.01
glider.recalc()
parts = []
drawing = dxf.drawing(path)
drawing.add_layer('MARKS')
drawing.add_layer('CUTS')
for cell in glider.cells:
left, right = flattened_cell(cell)
left_out = left.copy()
right_out = right.copy()
left_out.add_stuff(-allowance_general)
right_out.add_stuff(allowance_general)
right_out.data = right_out.data[::-1]
left_out += right_out
right.data = right.data[::-1]
left = left + right
left.layer = 'MARKS'
left_out.layer = 'CUTS'
parts.append([left, left_out])
startx = 0
for liste in parts:
startpoint = [startx+0.1, 0]
group = DXFList()
for element in liste:
startx = max(startx, startpoint[0]+max([x[0] for x in element.data]))
group.append(dxf.polyline(points=(element.data+startpoint)*1000, layer=element.layer))
drawing.add(group)
drawing.save()
return True
class _DimensionBase(object):
""" Abstract base class for dimension lines """
def __init__(self, dimstyle, layer, roundval):
self.dimstyle = dimstyles.get(dimstyle)
self.layer = layer
self.roundval = roundval
self.data = DXFList()
def prop(self, property_name):
""" Get dimension line properties by **property_name** with the
possibility to override several properties.
"""
if property_name == 'layer':
return self.layer if self.layer is not None else self.dimstyle.layer
elif property_name == 'roundval':
return self.roundval if self.roundval is not None else self.dimstyle.roundval
else: # pass through self.dimstyle object DimStyle()
return self.dimstyle[property_name]
def _build_dimline(self):
""" build dimension line object with basic dxf entities """
raise NotImplementedError("override abstract method _build_dimline")
def format_dimtext(self, dimvalue):
""" string format the dimension text """
## TODO: concider roundhalf property
dimtextfmt = "%." + str(self.prop('roundval')) + "f"
dimtext = dimtextfmt % dimvalue
if DIMENSIONS_FLOATINGPOINT in dimtext:
# remove successional zeros
dimtext.rstrip('0')
# remove floating point as last char
dimtext.rstrip(DIMENSIONS_FLOATINGPOINT)
return self.prop('prefix') + dimtext + self.prop('suffix')
def __dxf__(self):
""" get the dxf string """
self._build_dimline()
return self.data.__dxf__()
def __init__(self, dimstyle, layer, roundval):
self.dimstyle = dimstyles.get(dimstyle)
self.layer = layer
self.roundval = roundval
self.data = DXFList()
def __init__(self, dimstyle, layer, roundval):
self.dimstyle = dimstyles.get(dimstyle)
self.layer = layer
self.roundval = roundval
self.data = DXFList()