def set_projection(self, vcenter, vout, vup):
"""Set the projection to a custom view given
vcenter, the scene coordinates in the center of the window,
vout, the vector from vcenter in scene coordinates out of the window,
vup, the vector from vcenter in scene coordinates that show straight up
Parameters
----------
vcenter
vout
vup
"""
projection = _Visual3d_ViewOrientation(
_Graphic3d.Graphic3d_Vertex(vcenter[0], vcenter[1], vcenter[2]),
_Graphic3d.Graphic3d_Vector(vout[0], vout[1], vout[2]),
_Graphic3d.Graphic3d_Vector(vup[0], vup[1], vup[2]))
self.glarea.occ_view.SetViewOrientation(projection)
def random_colored_material_aspect():
clrs = [i for i in dir(Graphic3d) if i.startswith('Graphic3d_NOM_')]
color = random.sample(clrs, 1)[0]
print("color", color)
return Graphic3d.Graphic3d_MaterialAspect(getattr(Graphic3d, color))
def display_shape(shape, clr=None, viewer_handle=None):
if viewer_handle is None:
viewer_handle = handle
if isinstance(shape, shape_tuple):
shape, representation = shape.geometry, shape
else:
representation = None
material = Graphic3d.Graphic3d_MaterialAspect(
Graphic3d.Graphic3d_NOM_PLASTER)
if representation and not clr:
if len(set(representation.styles)) == 1:
clr = representation.styles[0]
if min(clr) < 0. or max(clr) > 1.:
clr = DEFAULT_STYLES.get(representation.data.type,
DEFAULT_STYLES["DEFAULT"])
if clr:
ais = AIS.AIS_Shape(shape)
ais.SetMaterial(material)
if isinstance(clr, str):
qclr = getattr(
Quantity, "Quantity_NOC_%s" % clr.upper(),
getattr(Quantity, "Quantity_NOC_%s1" % clr.upper(), None))
if qclr is None:
raise Exception("No color named '%s'" % clr.upper())
elif isinstance(clr, Iterable):
clr = tuple(clr)
if len(clr) < 3 or len(clr) > 4:
raise Exception("Need 3 or 4 color components. Got '%r'." %
len(clr))
qclr = Quantity.Quantity_Color(clr[0], clr[1], clr[2],
Quantity.Quantity_TOC_RGB)
elif isinstance(clr, Quantity.Quantity_Color):
qclr = clr
else:
raise Exception("Object of type %r cannot be used as a color." %
type(clr))
ais.SetColor(qclr)
if isinstance(clr, tuple) and len(clr) == 4 and clr[3] < 1.:
ais.SetTransparency(1. - clr[3])
elif representation and hasattr(AIS, "AIS_MultipleConnectedShape"):
default_style_applied = None
ais = AIS.AIS_MultipleConnectedShape(shape)
subshapes = list(yield_subshapes(shape))
lens = len(representation.styles), len(subshapes)
if lens[0] != lens[1]:
warnings.warn(
"Unable to assign styles to subshapes. Encountered %d styles for %d shapes."
% lens)
else:
for shp, stl in zip(subshapes, representation.styles):
subshape = AIS.AIS_Shape(shp)
if min(stl) < 0. or max(stl) > 1.:
default_style_applied = stl = DEFAULT_STYLES.get(
representation.data.type, DEFAULT_STYLES["DEFAULT"])
subshape.SetColor(
Quantity.Quantity_Color(stl[0], stl[1], stl[2],
Quantity.Quantity_TOC_RGB))
subshape.SetMaterial(material)
if len(stl) == 4 and stl[3] < 1.:
subshape.SetTransparency(1. - stl[3])
ais.Connect(subshape.GetHandle())
# For some reason it is necessary to set transparency here again
# in order for transparency to be rendered on the subshape.
applied_styles = representation.styles
if default_style_applied:
if len(default_style_applied) == 3:
default_style_applied += (1., )
applied_styles += (default_style_applied, )
if len(applied_styles):
# The only way for this not to be true if is the entire shape is NULL
min_transp = min(map(operator.itemgetter(3), applied_styles))
if min_transp < 1.:
ais.SetTransparency(1.)
else:
ais = AIS.AIS_Shape(shape)
ais.SetMaterial(material)
def r():
return random.random() * 0.3 + 0.7
clr = Quantity.Quantity_Color(r(), r(), r(), Quantity.Quantity_TOC_RGB)
ais.SetColor(clr)
ais_handle = ais.GetHandle() if USE_OCCT_HANDLE else ais
viewer_handle.Context.Display(ais_handle, False)
return ais_handle
from OCC.Core import TopoDS, Graphic3d, AIS, Bnd, BRepBndLib
from OCC.Core.TopoDS import TopoDS_Wire
import ifcopenshell.geom
from OCCUtils import Topology
import OCC
material = Graphic3d.Graphic3d_MaterialAspect(Graphic3d.Graphic3d_NOM_PLASTER)
settings = ifcopenshell.geom.settings()
settings.set(settings.USE_PYTHON_OPENCASCADE, True)
file = ifcopenshell.open("Mur.ifc")
walls = file.by_type("IfcWall")
bbox = OCC.Core.Bnd.Bnd_Box()
for wall in walls:
product = ifcopenshell.geom.create_shape(settings, wall)
shape = TopoDS.TopoDS_Iterator(product.geometry).Value()
occ_display = ifcopenshell.geom.utils.initialize_display()
ifcopenshell.geom.utils.display_shape(shape)
shape_gpXYZ = shape.Location().Transformation().TranslationPart()
print(shape_gpXYZ.X(), shape_gpXYZ.Y(), shape_gpXYZ.Z())
break
# wire = TopoDS.topods_Wire(product)
# explorer = Topology.WireExplorer(wire)
# vertices = explorer.ordered_vertices()
# for vertex in vertices:
# print vertex
raw_input()