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[tutorial] include a repetition and update docs

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jan 2026-02-15 20:05:38 -08:00
commit 59e996e680
4 changed files with 56 additions and 12 deletions
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5
examples/tutorial/renderpather.py
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@ -12,7 +12,7 @@ from pather import M1_WIDTH, V1_WIDTH, M2_WIDTH, map_layer, make_pad, make_via
def main() -> None:
#
# To illustrate the advantages of using `RenderPather`, we use `PathTool` instead
# of `BasicTool`. `PathTool` lacks some sophistication (e.g. no automatic transitions)
# of `AutoTool`. `PathTool` lacks some sophistication (e.g. no automatic transitions)
# but when used with `RenderPather`, it can consolidate multiple routing steps into
# a single `Path` shape.
#
@ -34,7 +34,7 @@ def main() -> None:
ptype_top = 'm2wire',
)
# `PathTool` is more limited than `BasicTool`. It only generates one type of shape
# `PathTool` is more limited than `AutoTool`. It only generates one type of shape
# (`Path`), so it only needs to know what layer to draw on, what width to draw with,
# and what port type to present.
M1_ptool = PathTool(layer='M1', width=M1_WIDTH, ptype='m1wire')
@ -77,6 +77,7 @@ def main() -> None:
# to account for it.
v1pat = library['v1_via']
via_size = abs(v1pat.ports['top'].x - v1pat.ports['bottom'].x)
# alternatively, via_size = v1pat.ports['top'].measure_travel(v1pat.ports['bottom'])[0][0]
# would take into account the port orientations if we didn't already know they're along x
rpather.path_to('VCC', None, -50_000 + via_size)