def _get_cgal_elem(self):
"""
Get a cgal geometry element representing this object, if any
Width is only considered for Wire
"""
from CGAL.CGAL_Kernel import \
Segment_2,\
Polygon_2,\
Point_2,\
Bbox_2,\
Iso_rectangle_2,\
do_intersect
if isinstance(self, Swoop.Rectangle):
rect = Rectangle(self.get_point(0), self.get_point(1), check=False)
verts = list(rect.vertices_ccw())
if self.get_rot() is not None:
angle_obj = angle_match(self.get_rot())
angle = math.radians(angle_obj['angle'])
if angle_obj['mirrored']:
angle *= -1
origin = rect.center()
rmat = Rectangle.rotation_matrix(angle)
for i, v in enumerate(verts):
verts[i] = np.dot(v - origin, rmat) + origin
return Polygon_2(list(map(np2cgal, verts)))
elif isinstance(self, Swoop.Wire):
p1 = self.get_point(0)
p2 = self.get_point(1)
if self.get_width() is None or self.get_width() == 0:
return Segment_2(np2cgal(p1), np2cgal(p2))
else:
# Wire has width
# This is important to consider because wires can represent traces
# When doing a query, it is important we can pick up the trace
if p1[0] > p2[0]:
p1, p2 = p2, p1 # p1 is the left endpoint
elif p1[0] == p2[0] and p1[1] > p2[1]:
p1, p2 = p2, p1 # or the bottom
vec = (p2 - p1)
vec /= np.linalg.norm(vec) # Normalize
radius = np.array(vec[1], -vec[0])
radius *= self.get_width(
) / 2.0 # "Radius" of the wire, perpendicular to it
vertices = []
# Go around the vertices of the wire in CCW order
# This should give you a rotated rectangle
vertices.append(np2cgal(p1 + radius))
vertices.append(np2cgal(p2 + radius))
vertices.append(np2cgal(p2 - radius))
vertices.append(np2cgal(p1 - radius))
return Polygon_2(vertices)
elif isinstance(self, Swoop.Polygon):
return Polygon_2(
[np2cgal(v.get_point()) for v in self.get_vertices()])
else:
return None
def _get_cgal_elem(self):
"""
Get a cgal geometry element representing this object, if any
Width is only considered for Wire
"""
from CGAL.CGAL_Kernel import \
Segment_2,\
Polygon_2,\
Point_2,\
Bbox_2,\
Iso_rectangle_2,\
do_intersect
if isinstance(self, Swoop.Rectangle):
rect = Rectangle(self.get_point(0), self.get_point(1), check=False)
verts = list(rect.vertices_ccw())
if self.get_rot() is not None:
angle_obj = angle_match(self.get_rot())
angle = math.radians(angle_obj['angle'])
if angle_obj['mirrored']:
angle *= -1
origin = rect.center()
rmat = Rectangle.rotation_matrix(angle)
for i,v in enumerate(verts):
verts[i] = np.dot(v - origin, rmat) + origin
return Polygon_2(map(np2cgal, verts))
elif isinstance(self, Swoop.Wire):
p1 = self.get_point(0)
p2 = self.get_point(1)
if self.get_width() is None or self.get_width() == 0:
return Segment_2(np2cgal(p1), np2cgal(p2))
else:
# Wire has width
# This is important to consider because wires can represent traces
# When doing a query, it is important we can pick up the trace
if p1[0] > p2[0]:
p1,p2 = p2,p1 # p1 is the left endpoint
elif p1[0]==p2[0] and p1[1] > p2[1]:
p1,p2 = p2,p1 # or the bottom
vec = (p2 - p1)
vec /= np.linalg.norm(vec) # Normalize
radius = np.array(vec[1], -vec[0])
radius *= self.get_width()/2.0 # "Radius" of the wire, perpendicular to it
vertices = []
# Go around the vertices of the wire in CCW order
# This should give you a rotated rectangle
vertices.append(np2cgal( p1 + radius ))
vertices.append(np2cgal( p2 + radius ))
vertices.append(np2cgal( p2 - radius ))
vertices.append(np2cgal( p1 - radius ))
return Polygon_2(vertices)
elif isinstance(self, Swoop.Polygon):
return Polygon_2([np2cgal(v.get_point()) for v in self.get_vertices()])
else:
return None
