X3466¶
ISOGONAL CONJUGATE OF X3465
X3466 (ISOGONAL CONJUGATE OF X3465) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3466 = ISOGONAL CONJUGATE OF X_3465."""
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,
point_from_barycentrics,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_03466(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3466 = ISOGONAL CONJUGATE OF X_3465 on reference triangle ABC."""
X_3465 = point_from_barycentrics(model, A, B, C, 2.7525253, 2.4545455, -4.2070707, ID="X_3465", classes=["center"])
X_3466 = isogonal_conjugate(model, A, B, C, X_3465, ID="X_3466", classes=["selected", "target"])
X_78 = eval_trilinear_point(model, A, B, C, '1/(1 - sec(A))', ID="X_78", classes=["center", "incident"])
X_1330 = eval_trilinear_point(model, A, B, C, '(b*c*(b**(2)/(a + c) + c**(2)/(a + b) - a**(2)/(b + c)))', ID="X_1330", classes=["center", "incident"])
central_line(model, X_78, X_1330, 78, 1330, incident=True)
X_30 = eval_trilinear_point(model, A, B, C, 'cos(A) - 2*cos(B)*cos(C)', ID="X_30", classes=["center", "incident"])
X_1807 = eval_trilinear_point(model, A, B, C, '1/(2 - sec(A))', ID="X_1807", classes=["center", "incident"])
central_line(model, X_30, X_1807, 30, 1807, incident=True)
X_109 = eval_trilinear_point(model, A, B, C, 'a/(cos(B) - cos(C))', ID="X_109", classes=["center", "incident"])
X_1794 = point_from_barycentrics(model, A, B, C, 0.46882064, 0.38927507, 0.14190429, ID="X_1794", classes=["center", "incident"])
central_line(model, X_109, X_1794, 109, 1794, incident=True)
return promote_point_to_top(model, X_3466)
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_3466 on the given reference triangle."""
model = create_model('X_3466 = ISOGONAL CONJUGATE OF X_3465')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03466(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-03466.json"))
write_center_svg(
model_acute,
here / "x-03466.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)