mirrors/build123d
1
Fork 0
mirror of https://github.com/gumyr/build123d.git synced 2026-02-08 00:10:47 -08:00
Code Issues Projects Releases Packages Wiki Activity Actions

Change transform_shape/geometry to use copy() Issue #42

Browse source
This commit is contained in:
Roger Maitland 2022-11-01 10:54:23 -04:00
parent 69563e8716
commit ff87637eaa
1 changed files with 18 additions and 19 deletions
Download patch file Download diff file Expand all files Collapse all files

37
src/build123d/direct_api.py
View file

@ -2548,27 +2548,28 @@ class Shape:
return copy_of_shape
def transform_shape(self, t_matrix: Matrix) -> Shape:
"""Transforms this Shape by t_matrix. Also see :py:meth:`transform_geometry`.
"""Apply affine transform without changing type
Transforms a copy of this Shape by the provided 3D affine transformation matrix.
Note that not all transformation are supported - primarily designed for translation
and rotation. See :transform_geometry: for more comprehensive transformations.
Args:
t_matrix: The transformation matrix
t_matrix: Matrix:
t_matrix (Matrix): affine transformation matrix
Returns:
a copy of the object, transformed by the provided matrix,
with all objects keeping their type
Shape: copy of transformed shape with all objects keeping their type
"""
r = Shape.cast(
transformed = Shape.cast(
BRepBuilderAPI_Transform(self.wrapped, t_matrix.wrapped.Trsf()).Shape()
)
r.for_construction = self.for_construction
new_shape = self.copy()
new_shape.wrapped = transformed.wrapped
return r
return new_shape
def transform_geometry(self, t_matrix: Matrix) -> Shape:
"""Transforms this shape by t_matrix.
"""Apply affine transform
WARNING: transform_geometry will sometimes convert lines and circles to
splines, but it also has the ability to handle skew and stretching
@ -2579,20 +2580,18 @@ class Shape:
of the geometry, but cannot handle skew transformations.
Args:
t_matrix: The transformation matrix
t_matrix: Matrix:
t_matrix (Matrix): affine transformation matrix
Returns:
a copy of the object, but with geometry transformed instead
of just rotated.
Shape: a copy of the object, but with geometry transformed
"""
r = Shape.cast(
transformed = Shape.cast(
BRepBuilderAPI_GTransform(self.wrapped, t_matrix.wrapped, True).Shape()
)
r.for_construction = self.for_construction
new_shape = self.copy()
new_shape.wrapped = transformed.wrapped
return r
return new_shape
def location(self) -> Location:
return Location(self.wrapped.Location())