X136¶
INTERSECTION OF LINE X4X_110 AND X25X_132
X136 (INTERSECTION OF LINE X4X_110 AND X25X_132) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_136 = INTERSECTION OF LINE X_4X_110 AND X_25X_132."""
from __future__ import annotations
from pathlib import Path
import sympy.geometry as spg
from geometor.model import Model
from geometor.etc.ops import (
central_line,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
nine_point_center_of,
orthocenter_of,
point_from_barycentrics,
promote_point_to_top,
reflection_in_point,
)
from geometor.etc.render import write_center_svg
def construct_x_00136(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_136 = INTERSECTION OF LINE X_4X_110 AND X_25X_132 on reference triangle ABC."""
X_131 = point_from_barycentrics(model, A, B, C, 0.57236082, 0.12379803, 0.30384114, ID="X_131", classes=["center"])
X_5 = nine_point_center_of(model, A, B, C, ID="X_5", classes=["center"])
X_136 = reflection_in_point(model, X_131, X_5, ID="X_136", classes=["selected", "target"], guide=False)
X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
X_110 = eval_trilinear_point(model, A, B, C, 'csc(B - C)', ID="X_110", classes=["center", "incident"])
central_line(model, X_4, X_110, 4, 110, incident=True)
central_line(model, X_5, X_131, 5, 131, incident=True)
X_25 = eval_trilinear_point(model, A, B, C, 'sin(A)*tan(A)', ID="X_25", classes=["center", "incident"])
X_132 = point_from_barycentrics(model, A, B, C, 0.11002416, 0.049913231, 0.84006261, ID="X_132", classes=["center", "incident"])
central_line(model, X_25, X_132, 25, 132, incident=True)
return promote_point_to_top(model, X_136)
def build_model(
sides: tuple[float, float, float] = (5.0, 6.0, 7.0),
show_guides: bool = False,
) -> Model:
"""Build a `geometor.model.Model` for X_136 on the given reference triangle."""
model = create_model('X_136 = INTERSECTION OF LINE X_4X_110 AND X_25X_132')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00136(model, A, B, C)
return model
if __name__ == "__main__":
here = Path(__file__).resolve().parent
model_acute = build_model((5.0, 6.0, 7.0))
model_acute.save(str(here / "x-00136.json"))
write_center_svg(
model_acute,
here / "x-00136.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)