def display_vector(self, origin, direction):
r"""Display a vector starting at origin and going in direction
Parameters
----------
origin : tuple(float)
The origin coordinates (x, y, z) of the vector to display
direction : tuple(float)
The direction coordinates (x, y, z) of the vector to display
"""
xo, yo, zo = origin
xd, yd, zd = direction
end = (xo + xd, yo + xd, zo + zd)
xe, ye, ze = end
# self.glarea.d3d.DisplayVector(gp_Vec(xd, yd, zd), gp_Pnt(xo, yo, zo))
presentation = Prs3d_Presentation(self.glarea.occ_context.MainPrsMgr().
GetObject().StructureManager())
arrow = Prs3d_Arrow()
arrow.Draw(presentation.GetHandle(), gp_Pnt(xe, ye, ze),
gp_Dir(gp_Vec(xd, yd, zd)), _math.radians(20),
gp_Vec(xd, yd, zd).Magnitude() / 4.)
presentation.Display()
e1 = BRepBuilderAPI_MakeEdge(gp_Pnt(xo, yo, zo), gp_Pnt(xe, ye, ze)).\
Edge()
self.display(e1, line_width=4)
def DisplayVector(self, vec, pnt, update=False):
"""displays a vector as an arrow"""
if self._inited:
aStructure = Graphic3d_Structure(self._struc_mgr)
pnt_as_vec = gp_Vec(pnt.X(), pnt.Y(), pnt.Z())
start = pnt_as_vec + vec
pnt_start = gp_Pnt(start.X(), start.Y(), start.Z())
Prs3d_Arrow.Draw(aStructure, pnt_start, gp_Dir(vec),
math.radians(20), vec.Magnitude())
aStructure.Display()
# it would be more coherent if a AIS_InteractiveObject
# would be returned
if update:
self.Repaint()
return aStructure