def buildvertexlist(points):
exterior = []
for point in points:
v=ShapeVertex()
v.setpos(point)
exterior.append(v)
return exterior
def mousepress(self, point):
import numpy
point = tuple(numpy.array(qh.to_tuple(point)) / popupcad.view_scaling)
if not self.temphandle:
a = ShapeVertex(point)
self.temphandle = a.gen_interactive()
self.temphandle.setParentItem(self)
self.temphandle.updatescale()
if self.generic.len_exterior() == 0:
self.addhandle(self.temphandle)
a = ShapeVertex(point)
self.temphandle = a.gen_interactive()
self.temphandle.setParentItem(self)
self.temphandle.updatescale()
self.updateshape()
return
elif self.generic.len_exterior() == 1:
if self.addhandle(self.temphandle):
self.finish_definition()
self.updateshape()
return
else:
return
else:
raise Exception
self.finish_definition()
self.updateshape()
return
self.updateshape()
def addvertex(self,qpoint):
from popupcad.geometry.vertex import ShapeVertex
v = ShapeVertex()
v.setpos(qpoint.toTuple())
self.generic.addvertex_exterior(v,special = True)
self.updatehandles()
self.refreshview()
def gen_from_point_lists(cls, exterior_p, interiors_p, **kwargs):
exterior = [ShapeVertex(point) for point in exterior_p]
interiors = [[ShapeVertex(point) for point in interior]
for interior in interiors_p]
return cls(exterior, interiors, **kwargs)
def mousepress(self,point):
if not self.temphandle:
a = ShapeVertex()
a.setpos(point.toTuple())
self.temphandle = a.gen_interactive()
self.temphandle.setParentItem(self)
self.temphandle.updatescale()
if len(self.generic.get_exterior())==0:
self.addhandle(self.temphandle)
a = ShapeVertex()
a.setpos(point.toTuple())
self.temphandle = a.gen_interactive()
self.temphandle.setParentItem(self)
self.temphandle.updatescale()
self.updateshape()
return
elif len(self.generic.get_exterior())==1:
if self.addhandle(self.temphandle):
self.finish_definition()
self.updateshape()
return
else:
return
else:
raise(Exception('should never get here'))
self.finish_definition()
self.updateshape()
return
self.updateshape()
def getjoints(geoms,roundvalue):
from popupcad.geometry.vertex import ShapeVertex
from popupcad.filetypes.genericshapes import GenericLine
tolerance = 10**(-roundvalue)
lines = []
for geom in geoms:
p = geom.exteriorpoints()
lines.extend(zip(p, p[1:] + p[:1]))
for interior in geom.interiorpoints():
lines.extend(zip(interior, interior[1:] + interior[:1]))
l3 = popupcad.algorithms.points.distance_of_lines(lines, [0, 0])
l4 = popupcad.algorithms.points.distance_of_lines(lines, [10 * tolerance, 0])
l5 = popupcad.algorithms.points.distance_of_lines(lines, [10 * tolerance, 10 * tolerance])
l6 = popupcad.algorithms.points.distance_of_lines(lines, [0, 10 * tolerance])
l7 = popupcad.algorithms.points.distance_of_lines(lines, [10 * tolerance, 20 * tolerance])
m = numpy.c_[l3, l4, l5, l6, l7]
m = m.round(roundvalue)
m2 = [tuple(items) for items in m.tolist()]
m3 = list(set(m2))
# jj = numpy.searchsorted(m3,m2)
index_to_unique = [m3.index(item) for item in m2]
indeces_to_orig = [[] for item in m3]
[indeces_to_orig[item].append(ii) for ii, item in enumerate(index_to_unique)]
newsegments = []
for segments in indeces_to_orig:
if len(segments) > 1:
a = [lines[ii] for ii in segments]
vertices = []
[vertices.extend(item) for item in a[1:]]
ordered_vertices = popupcad.algorithms.points.order_vertices(vertices,a[0],tolerance=tolerance)
segs = list(zip(ordered_vertices[:-1], ordered_vertices[1:]))
midpoints = popupcad.algorithms.points.segment_midpoints(segs)
count = [0 for item in midpoints]
for ii in segments:
for jj, point in enumerate(midpoints):
if popupcad.algorithms.points.point_within_line(point,lines[ii],tolerance=tolerance):
count[jj] += 1
newsegments.extend([seg for count_ii, seg in zip(count, segs) if count_ii > 1])
generic_lines = [GenericLine([ShapeVertex(v1), ShapeVertex(v2)], []) for v1, v2 in newsegments]
generic_lines = [item for item in generic_lines if len(item.get_exterior()) == 2]
return generic_lines
def addvertex(self, qpoint):
from popupcad.geometry.vertex import ShapeVertex
import numpy
v = ShapeVertex(numpy.array(qh.to_tuple(qpoint))/popupcad.view_scaling)
self.generic.addvertex_exterior(v, special=True)
self.updatehandles()
self.refreshview()
def add_constraint(self, constraintclass):
from popupcad.filetypes.genericshapes import GenericLine
self.undoredo.savesnapshot()
items = []
new_constraints = []
for item in self.scene.selectedItems():
if isinstance(item, ReferenceInteractiveVertex):
generic = item.get_generic()
newgeneric = DrawnPoint(generic.getpos(), construction=True)
newitem = newgeneric.gen_interactive()
self.scene.addItem(newitem)
items.append(newgeneric)
item.setSelected(False)
newitem.setSelected(True)
new_constraints.append(
constraints.FixedConstraint.new(newgeneric))
elif isinstance(item, ReferenceInteractiveEdge):
generic = item.get_generic()
v1 = ShapeVertex(generic.vertex1.getpos())
v2 = ShapeVertex(generic.vertex2.getpos())
new_constraints.append(constraints.FixedConstraint.new(v1, v2))
l = GenericLine([v1, v2], [], construction=True)
a = l.outputinteractive()
self.scene.addItem(a)
item.setSelected(False)
a.setSelected(True)
items.append(a.selectableedges[0].get_generic())
elif isinstance(item, InteractiveVertex):
items.append(item.get_generic())
elif isinstance(item, InteractiveEdge):
items.append(item.get_generic())
elif isinstance(item, DrawingPoint):
items.append(item.get_generic())
new_constraint = constraintclass.new(*items)
if new_constraint is not None:
new_constraints.append(new_constraint)
for constraint in new_constraints:
self.sketch.constraintsystem.add_constraint(constraint)
self.refreshconstraints()
def mousepress(self, point):
import numpy
point = tuple(numpy.array(qh.to_tuple(point)) / popupcad.view_scaling)
if not self.temphandle:
a = ShapeVertex(point)
self.temphandle = a.gen_interactive()
self.temphandle.setParentItem(self)
self.temphandle.updatescale()
self.addhandle(self.temphandle)
else:
self.addhandle(self.temphandle)
if not self.temphandle:
a = ShapeVertex(point)
self.temphandle = a.gen_interactive()
self.temphandle.setParentItem(self)
self.temphandle.updatescale()
self.updateshape()
def mousepress(self, point):
import numpy
point = tuple(numpy.array(qh.to_tuple(point)) / popupcad.view_scaling)
if not self.temphandle:
a = ShapeVertex(point)
self.temphandle = a.gen_interactive()
self.temphandle.setParentItem(self)
self.temphandle.updatescale()
if self.generic.len_exterior() == 0:
self.addhandle(self.temphandle)
a = ShapeVertex(point)
self.temphandle = a.gen_interactive()
self.temphandle.setParentItem(self)
self.temphandle.updatescale()
self.updateshape()
return
elif self.generic.len_exterior() == 1:
if self.addhandle(self.temphandle):
self.finish_definition()
self.updateshape()
return
else:
return
else:
raise Exception
self.finish_definition()
self.updateshape()
return
self.updateshape()
def to_generic(entity):
import shapely.geometry as sg
from popupcad.filetypes.genericshapes import GenericPoly, GenericPolyline
from popupcad.geometry.vertex import DrawnPoint
from popupcad.geometry.vertex import ShapeVertex
exterior_p, interiors_p = get_shapely_vertices(
entity, 1 / popupcad.csg_processing_scaling)
exterior = [ShapeVertex(point) for point in exterior_p]
interiors = [[ShapeVertex(point) for point in interior]
for interior in interiors_p]
if isinstance(entity, sg.Polygon):
subclass = GenericPoly
elif isinstance(entity, sg.LineString):
subclass = GenericPolyline
elif isinstance(entity, sg.Point):
s = DrawnPoint(exterior_p[0])
return s
else:
raise GeometryNotHandled()
return subclass(exterior, interiors)
def mousepress(self,point):
if not self.temphandle:
a = ShapeVertex()
a.setpos(point.toTuple())
self.temphandle = a.gen_interactive()
self.temphandle.setParentItem(self)
self.temphandle.updatescale()
self.addhandle(self.temphandle)
else:
self.addhandle(self.temphandle)
if not self.temphandle:
a = ShapeVertex()
a.setpos(point.toTuple())
self.temphandle = a.gen_interactive()
self.temphandle.setParentItem(self)
self.temphandle.updatescale()
self.updateshape()
def mousePressEvent(self, event):
pos = event.scenePos()
if self.temp is not None:
if event.button() == qc.Qt.LeftButton:
self.temp.mousepress(pos)
elif self.nextgeometry is not None:
if event.button() == qc.Qt.LeftButton:
if self.temp is None:
if self.nextgeometry == TextParent:
textpos = ShapeVertex(qh.to_tuple(pos),
scaling=1 /
popupcad.view_scaling)
text = GenericText('',
textpos,
font='Courier New',
fontsize=1)
temp = self.nextgeometry(text)
self.addItem(temp)
temp.editmode()
elif self.nextgeometry == DrawingPoint:
temp = self.nextgeometry(
DrawnPoint(qh.to_tuple(pos),
scaling=1 / popupcad.view_scaling))
self.addItem(temp)
self.setFocusItem(temp)
temp.updatescale()
self.childfinished()
else:
self.temp = self.nextgeometry()
self.addItem(self.temp)
self.setFocusItem(self.temp)
self.temp.mousepress(pos)
else:
qg.QGraphicsScene.mousePressEvent(self, event)
self.leavingeditmode.emit()
def mousepress(self, point):
import numpy
point = tuple(numpy.array(qh.to_tuple(point)) / popupcad.view_scaling)
if not self.temphandle:
a = ShapeVertex(point)
self.temphandle = a.gen_interactive()
self.temphandle.setParentItem(self)
self.temphandle.updatescale()
self.addhandle(self.temphandle)
else:
self.addhandle(self.temphandle)
if not self.temphandle:
a = ShapeVertex(point)
self.temphandle = a.gen_interactive()
self.temphandle.setParentItem(self)
self.temphandle.updatescale()
self.updateshape()
