X1258¶
ISOGONAL CONJUGATE OF X1107
X1258 (ISOGONAL CONJUGATE OF X1107) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1258 = ISOGONAL CONJUGATE OF X_1107."""
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,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_01258(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1258 = ISOGONAL CONJUGATE OF X_1107 on reference triangle ABC."""
X_1107 = eval_trilinear_point(model, A, B, C, '(a*(b**(2) + c**(2)) + b*c*(b + c))', ID="X_1107", classes=["center"])
X_1258 = isogonal_conjugate(model, A, B, C, X_1107, ID="X_1258", classes=["selected", "target"])
X_81 = eval_trilinear_point(model, A, B, C, '1/(b + c)', ID="X_81", classes=["center", "incident"])
X_172 = eval_trilinear_point(model, A, B, C, 'a**(3) + a*b*c', ID="X_172", classes=["center", "incident"])
central_line(model, X_81, X_172, 81, 172, incident=True)
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
X_330 = eval_trilinear_point(model, A, B, C, 'b*c/(a*b + a*c - b*c)', ID="X_330", classes=["center", "incident"])
central_line(model, X_6, X_330, 6, 330, incident=True)
X_213 = eval_trilinear_point(model, A, B, C, '(b + c)*a**(2)', ID="X_213", classes=["center", "incident"])
X_274 = eval_trilinear_point(model, A, B, C, 'b**(2)*c**(2)/(b + c)', ID="X_274", classes=["center", "incident"])
central_line(model, X_213, X_274, 213, 274, incident=True)
return promote_point_to_top(model, X_1258)
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_1258 on the given reference triangle."""
model = create_model('X_1258 = ISOGONAL CONJUGATE OF X_1107')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01258(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-01258.json"))
write_center_svg(
model_acute,
here / "x-01258.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)