X3637¶
ISOGONAL CONJUGATE OF X3355
X3637 (ISOGONAL CONJUGATE OF X3355) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3637 = ISOGONAL CONJUGATE OF X_3355."""
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,
isogonal_conjugate,
orthocenter_of,
point_from_barycentrics,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_03637(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3637 = ISOGONAL CONJUGATE OF X_3355 on reference triangle ABC."""
X_3355 = point_from_barycentrics(model, A, B, C, 0.50188901, 0.4191657, 0.078945292, ID="X_3355", classes=["center"])
X_3637 = isogonal_conjugate(model, A, B, C, X_3355, ID="X_3637", classes=["selected", "target"])
X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
X_3356 = point_from_barycentrics(model, A, B, C, 0.20864715, 0.31834191, 0.47301094, ID="X_3356", classes=["center", "incident"])
central_line(model, X_4, X_3356, 4, 3356, incident=True)
X_20 = eval_trilinear_point(model, A, B, C, 'cos(A) - cos(B)*cos(C)', ID="X_20", classes=["center", "incident"])
central_line(model, X_20, X_3355, 20, 3355, incident=True)
X_1498 = eval_trilinear_point(model, A, B, C, '(sin(A))*((tan(B))**(2) + (tan(C))**(2) - (tan(A))**(2))', ID="X_1498", classes=["center", "incident"])
X_2130 = point_from_barycentrics(model, A, B, C, 0.19373197, 0.27423005, 0.53203798, ID="X_2130", classes=["center", "incident"])
central_line(model, X_1498, X_2130, 1498, 2130, incident=True)
return promote_point_to_top(model, X_3637)
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_3637 on the given reference triangle."""
model = create_model('X_3637 = ISOGONAL CONJUGATE OF X_3355')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03637(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-03637.json"))
write_center_svg(
model_acute,
here / "x-03637.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)