X2796¶
ISOGONAL CONJUGATE OF X2712
X2796 (ISOGONAL CONJUGATE OF X2712) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2796 = ISOGONAL CONJUGATE OF X_2712."""
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,
spieker_center_of,
)
from geometor.etc.render import write_center_svg
def construct_x_02796(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2796 = ISOGONAL CONJUGATE OF X_2712 on reference triangle ABC."""
X_2712 = point_from_barycentrics(model, A, B, C, 0.50038468, -0.33025401, 0.82986933, ID="X_2712", classes=["center"])
X_2796 = isogonal_conjugate(model, A, B, C, X_2712, ID="X_2796", classes=["selected", "target"])
X_86 = eval_trilinear_point(model, A, B, C, 'b*c/(b + c)', ID="X_86", classes=["center", "incident"])
X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center", "incident"])
central_line(model, X_86, X_99, 86, 99, incident=True)
X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
X_190 = eval_trilinear_point(model, A, B, C, 'b*c/(b - c)', ID="X_190", classes=["center", "incident"])
central_line(model, X_10, X_190, 10, 190, incident=True)
X_115 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) - c**(2))**(2)', ID="X_115", classes=["center", "incident"])
X_121 = eval_trilinear_point(model, A, B, C, '(b*c*(b + c - 2*a)*(b**(3) + c**(3) + a*(b**(2) + c**(2)) - 2*b*c*(b + c)))', ID="X_121", classes=["center", "incident"])
central_line(model, X_115, X_121, 115, 121, incident=True)
return promote_point_to_top(model, X_2796)
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_2796 on the given reference triangle."""
model = create_model('X_2796 = ISOGONAL CONJUGATE OF X_2712')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02796(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-02796.json"))
write_center_svg(
model_acute,
here / "x-02796.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)