X3435¶
X8-VERTEX CONJUGATE OF X8
X3435 (X8-VERTEX CONJUGATE OF X8) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3435 = X_8-VERTEX CONJUGATE OF X_8."""
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_barycentric_point,
eval_trilinear_point,
nagel_point_of,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_03435(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3435 = X_8-VERTEX CONJUGATE OF X_8 on reference triangle ABC."""
X_3435 = eval_barycentric_point(model, A, B, C, 'a**(2)/(a**(4) + 2*a**(2)*b*c - 2*a*b*c*(b + c) - (b**(2) - c**(2))**(2))', ID="X_3435", classes=["selected", "target"])
X_24 = eval_trilinear_point(model, A, B, C, 'sec(A)*cos(2*A)', ID="X_24", classes=["center", "incident"])
X_104 = eval_trilinear_point(model, A, B, C, '1/(-1 + cos(B) + cos(C))', ID="X_104", classes=["center", "incident"])
central_line(model, X_24, X_104, 24, 104, incident=True)
X_8 = nagel_point_of(model, A, B, C, ID="X_8", classes=["center", "incident"])
X_197 = eval_trilinear_point(model, A, B, C, 'a*(-a**(2)*tan(A/2) + b**(2)*tan(B/2) + c**(2)*tan(C/2))', ID="X_197", classes=["center", "incident"])
central_line(model, X_8, X_197, 8, 197, incident=True)
X_48 = eval_trilinear_point(model, A, B, C, 'tan(B) + tan(C)', ID="X_48", classes=["center", "incident"])
X_836 = eval_trilinear_point(model, A, B, C, '(sin(B)*(sec(B))**(2) + sin(C)*(sec(C))**(2))', ID="X_836", classes=["center", "incident"])
central_line(model, X_48, X_836, 48, 836, incident=True)
return promote_point_to_top(model, X_3435)
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_3435 on the given reference triangle."""
model = create_model('X_3435 = X_8-VERTEX CONJUGATE OF X_8')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03435(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-03435.json"))
write_center_svg(
model_acute,
here / "x-03435.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)