DXFAttr(39, default=0, optional=True),
"extrusion":
DXFAttr(
210,
xtype=XType.point3d,
default=Z_AXIS,
optional=True,
validator=validator.is_not_null_vector,
fixer=RETURN_DEFAULT,
),
},
)
acdb_circle_group_codes = group_code_mapping(acdb_circle)
merged_circle_group_codes = merge_group_code_mappings(
acdb_entity_group_codes,
acdb_circle_group_codes # type: ignore
)
@register_entity
class Circle(DXFGraphic):
"""DXF CIRCLE entity"""
DXFTYPE = "CIRCLE"
DXFATTRIBS = DXFAttributes(base_class, acdb_entity, acdb_circle)
MERGED_GROUP_CODES = merged_circle_group_codes
def load_dxf_attribs(self,
processor: SubclassProcessor = None
) -> "DXFNamespace":
"""Loading interface. (internal API)"""
210,
xtype=XType.point3d,
default=Z_AXIS,
optional=True,
validator=validator.is_not_null_vector,
fixer=RETURN_DEFAULT,
),
# angle of the x-axis for the UCS in effect when the point was drawn;
# used when PDMODE is nonzero:
"angle":
DXFAttr(50, default=0, optional=True),
},
)
acdb_point_group_codes = group_code_mapping(acdb_point)
merged_point_group_codes = merge_group_code_mappings(
acdb_entity_group_codes,
acdb_point_group_codes # type: ignore
)
@register_entity
class Point(DXFGraphic):
"""DXF POINT entity"""
DXFTYPE = "POINT"
DXFATTRIBS = DXFAttributes(base_class, acdb_entity, acdb_point)
def load_dxf_attribs(self,
processor: SubclassProcessor = None
) -> "DXFNamespace":
"""Loading interface. (internal API)"""
# bypass DXFGraphic, loading proxy graphic is skipped!
"row_spacing":
DXFAttr(45, default=0, optional=True),
"extrusion":
DXFAttr(
210,
xtype=XType.point3d,
default=Z_AXIS,
optional=True,
validator=validator.is_not_null_vector,
fixer=RETURN_DEFAULT,
),
},
)
acdb_block_reference_group_codes = group_code_mapping(acdb_block_reference)
merged_insert_group_codes = merge_group_code_mappings(
acdb_entity_group_codes,
acdb_block_reference_group_codes # type: ignore
)
NON_ORTHO_MSG = ("INSERT entity can not represent a non-orthogonal target "
"coordinate system.")
# Notes to SEQEND:
#
# The INSERT entity requires only a SEQEND if ATTRIB entities are attached.
# So a loaded INSERT could have a missing SEQEND.
#
# A bounded INSERT needs a SEQEND to be valid at export if there are attached
# ATTRIB entities, but the LinkedEntities.post_bind_hook() method creates
# always a new SEQEND after binding the INSERT entity to a document.
#
# Nonetheless the Insert.add_attrib() method also creates a requires SEQEND if
"oblique":
DXFAttr(51, default=0, optional=True),
"extrusion":
DXFAttr(
210,
xtype=XType.point3d,
default=Z_AXIS,
optional=True,
validator=validator.is_not_null_vector,
fixer=RETURN_DEFAULT,
),
},
)
acdb_shape_group_codes = group_code_mapping(acdb_shape)
merged_shape_group_codes = merge_group_code_mappings(
acdb_entity_group_codes,
acdb_shape_group_codes # type: ignore
)
@register_entity
class Shape(DXFGraphic):
"""DXF SHAPE entity"""
DXFTYPE = "SHAPE"
DXFATTRIBS = DXFAttributes(base_class, acdb_entity, acdb_shape)
def load_dxf_attribs(self,
processor: SubclassProcessor = None
) -> "DXFNamespace":
"""Loading interface. (internal API)"""
# bypass DXFGraphic, loading proxy graphic is skipped!
"thickness":
DXFAttr(39, default=0, optional=True),
"extrusion":
DXFAttr(
210,
xtype=XType.point3d,
default=Z_AXIS,
optional=True,
validator=validator.is_not_null_vector,
fixer=RETURN_DEFAULT,
),
},
)
acdb_polyline_group_codes = group_code_mapping(acdb_polyline, ignore=(66, ))
merged_polyline_group_codes = merge_group_code_mappings(
acdb_entity_group_codes,
acdb_polyline_group_codes # type: ignore
)
# Notes to SEQEND:
# todo: A loaded entity should have a valid SEQEND, a POLYLINE without vertices
# makes no sense - has to be tested
#
# A virtual POLYLINE does not need a SEQEND, because it can not be exported,
# therefore the SEQEND entity should not be created in the
# DXFEntity.post_new_hook() method.
#
# A bounded POLYLINE needs a SEQEND to valid at export, therefore the
# LinkedEntities.post_bind_hook() method creates a new SEQEND after binding
# the entity to a document if needed.
"thickness":
DXFAttr(39, default=0, optional=True),
"extrusion":
DXFAttr(
210,
xtype=XType.point3d,
default=Z_AXIS,
optional=True,
validator=validator.is_not_null_vector,
fixer=RETURN_DEFAULT,
),
},
)
acdb_trace_group_codes = group_code_mapping(acdb_trace)
merged_trace_group_codes = merge_group_code_mappings(
acdb_entity_group_codes,
acdb_trace_group_codes # type: ignore
)
class _Base(DXFGraphic):
def __getitem__(self, num):
return self.dxf.get(VERTEXNAMES[num])
def __setitem__(self, num, value):
return self.dxf.set(VERTEXNAMES[num], value)
@register_entity
class Solid(_Base):
"""DXF SHAPE entity"""
),
# Ratio has to be in the range from 1e-6 to 1, but could be negative:
"ratio":
DXFAttr(
40, default=MAX_RATIO, validator=is_valid_ratio, fixer=fix_ratio),
# Start of ellipse, this value is 0.0 for a full ellipse:
"start_param":
DXFAttr(41, default=0),
# End of ellipse, this value is 2*pi for a full ellipse:
"end_param":
DXFAttr(42, default=math.tau),
},
)
acdb_ellipse_group_code = group_code_mapping(acdb_ellipse)
merged_ellipse_group_codes = merge_group_code_mappings(
acdb_entity_group_codes,
acdb_ellipse_group_code # type: ignore
)
HALF_PI = math.pi / 2.0
@register_entity
class Ellipse(DXFGraphic):
"""DXF ELLIPSE entity"""
DXFTYPE = "ELLIPSE"
DXFATTRIBS = DXFAttributes(base_class, acdb_entity, acdb_ellipse)
MIN_DXF_VERSION_FOR_EXPORT = DXF2000
def load_dxf_attribs(self,
processor: SubclassProcessor = None
if TYPE_CHECKING:
from ezdxf.eztypes import TagWriter, Vec3
__all__ = ["Arc"]
acdb_arc = DefSubclass(
"AcDbArc",
{
"start_angle": DXFAttr(50, default=0),
"end_angle": DXFAttr(51, default=360),
},
)
acdb_arc_group_codes = group_code_mapping(acdb_arc)
merged_arc_group_codes = merge_group_code_mappings(merged_circle_group_codes,
acdb_arc_group_codes)
@register_entity
class Arc(Circle):
"""DXF ARC entity"""
DXFTYPE = "ARC"
DXFATTRIBS = DXFAttributes(base_class, acdb_entity, acdb_circle, acdb_arc)
MERGED_GROUP_CODES = merged_arc_group_codes
def export_entity(self, tagwriter: "TagWriter") -> None:
"""Export entity specific data as DXF tags."""
super().export_entity(tagwriter)
# AcDbEntity export is done by parent class
# AcDbCircle export is done by parent class