def scale_to_offset(points, factor, pivot):
def offset(points, value):
return points + value
# center = get_center(points)
center = points.center
new_coord = scale(center, factor, pivot)
diff = new_coord - center
return offset, [diff]
from chiplotle.geometry.core.coordinate import Coordinate
from chiplotle.geometry.transforms.transformvisitor import TransformVisitor
def scale(shape, value, pivot=Coordinate(0, 0)):
"""In place scaling.
- `shape` is the shape to be rotated.
- `value` is the scaling value. Can be a scalar or an (x, y) coordinate.
- `pivot` is the Coordinate around which the shape will be scaled.
"""
from chiplotle.tools.geometrytools.scale import scale
t = TransformVisitor(scale)
t.visit(shape, value, pivot)
## RUN DEMO CODE
if __name__ == "__main__":
from chiplotle.geometry.shapes.rectangle import rectangle
from chiplotle.tools import io
r0 = rectangle(1000, 500)
r1 = rectangle(1000, 500)
r2 = rectangle(1000, 500)
scale(r1, 5, (500, 250))
scale(r2, (10, 20))
g = Group([r0, r1, r2])
print(g.format)
io.view(g)
from chiplotle.geometry.core.group import Group
from chiplotle.geometry.core.coordinate import Coordinate
from chiplotle.geometry.transforms.transformvisitor import TransformVisitor
def scale(shape, value, pivot = Coordinate(0, 0)):
'''In place scaling.
- `shape` is the shape to be rotated.
- `value` is the scaling value. Can be a scalar or an (x, y) coordinate.
- `pivot` is the Coordinate around which the shape will be scaled.
'''
from chiplotle.tools.geometrytools.scale import scale
t = TransformVisitor(scale)
t.visit(shape, value, pivot)
## RUN DEMO CODE
if __name__ == "__main__":
from chiplotle.geometry.shapes.rectangle import rectangle
from chiplotle.tools import io
r0 = rectangle(1000, 500)
r1 = rectangle(1000, 500)
r2 = rectangle(1000, 500)
scale(r1, 5, (500, 250))
scale(r2, (10, 20))
g = Group([r0, r1, r2])
print g.format
io.view(g)