def move(orig_pypt, location_pypt, occtopology):
"""
This function moves an OCCtopology from the orig_pypt to the location_pypt.
Parameters
----------
orig_pypt : tuple of floats
The OCCtopology will move in reference to this point.
A pypt is a tuple that documents the xyz coordinates of a pt e.g. (x,y,z)
location_pypt : tuple of floats
The destination of where the OCCtopology will be moved in relation to the orig_pypt.
A pypt is a tuple that documents the xyz coordinates of a pt e.g. (x,y,z)
occtopology : OCCtopology
The OCCtopology to be moved.
OCCtopology includes: OCCshape, OCCcompound, OCCcompsolid, OCCsolid, OCCshell, OCCface, OCCwire, OCCedge, OCCvertex
Returns
-------
moved topology : OCCtopology (OCCshape)
The moved OCCtopology.
"""
gp_ax31 = gp_Ax3(gp_Pnt(orig_pypt[0], orig_pypt[1], orig_pypt[2]), gp_DZ())
gp_ax32 = gp_Ax3(
gp_Pnt(location_pypt[0], location_pypt[1], location_pypt[2]), gp_DZ())
aTrsf = gp_Trsf()
aTrsf.SetTransformation(gp_ax32, gp_ax31)
trsf_brep = BRepBuilderAPI_Transform(aTrsf)
trsf_brep.Perform(occtopology, True)
trsf_shp = trsf_brep.Shape()
return trsf_shp
def scale(occtopology, scale_factor, ref_pypt):
"""
This function uniformly scales an OCCtopology based on the reference point and the scale factor.
Parameters
----------
occtopology : OCCtopology
The OCCtopology to be scaled.
OCCtopology includes: OCCshape, OCCcompound, OCCcompsolid, OCCsolid, OCCshell, OCCface, OCCwire, OCCedge, OCCvertex
scale_factor : float
The scale factor.
ref_pypt : tuple of floats
The OCCtopology will scale in reference to this point.
A pypt is a tuple that documents the xyz coordinates of a pt e.g. (x,y,z)
Returns
-------
scaled topology : OCCtopology (OCCshape)
The scaled OCCtopology.
"""
xform = gp_Trsf()
gp_pnt = construct.make_gppnt(ref_pypt)
xform.SetScale(gp_pnt, scale_factor)
brep = BRepBuilderAPI_Transform(xform)
brep.Perform(occtopology, True)
trsfshape = brep.Shape()
return trsfshape
def rotate(occtopology, rot_pypt, pyaxis, degree):
"""
This function rotates an OCCtopology based on the rotation point, an axis and the rotation degree.
Parameters
----------
occtopology : OCCtopology
The OCCtopology to be rotated.
OCCtopology includes: OCCshape, OCCcompound, OCCcompsolid, OCCsolid, OCCshell, OCCface, OCCwire, OCCedge, OCCvertex
rot_pypt : tuple of floats
The OCCtopology will rotate in reference to this point.
A pypt is a tuple that documents the xyz coordinates of a pt e.g. (x,y,z)
pyaxis : tuple of floats
The OCCtopology will rotate along this axis.
A pyaxis is a tuple that documents the xyz of a direction e.g. (x,y,z)
degree : float
The degree of rotation.
Returns
-------
rotated topology : OCCtopology (OCCshape)
The rotated OCCtopology.
"""
from math import radians
gp_ax3 = gp_Ax1(gp_Pnt(rot_pypt[0], rot_pypt[1], rot_pypt[2]), gp_Dir(pyaxis[0], pyaxis[1], pyaxis[2]))
aTrsf = gp_Trsf()
aTrsf.SetRotation(gp_ax3, radians(degree))
rot_brep = BRepBuilderAPI_Transform(aTrsf)
rot_brep.Perform(occtopology, True)
rot_shape = rot_brep.Shape()
return rot_shape
def move(orig_pt, location_pt, occshape):
gp_ax31 = gp_Ax3(gp_Pnt(orig_pt[0], orig_pt[1], orig_pt[2]), gp_DZ())
gp_ax32 = gp_Ax3(gp_Pnt(location_pt[0], location_pt[1], location_pt[2]),
gp_DZ())
aTrsf = gp_Trsf()
aTrsf.SetTransformation(gp_ax32, gp_ax31)
trsf_brep = BRepBuilderAPI_Transform(aTrsf)
trsf_brep.Perform(occshape, True)
trsf_shp = trsf_brep.Shape()
return trsf_shp
