X502¶
ISOGONAL CONJUGATE OF X501
X502 (ISOGONAL CONJUGATE OF X501) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_502 = ISOGONAL CONJUGATE OF X_501."""
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,
isogonal_conjugate,
promote_point_to_top,
spieker_center_of,
)
from geometor.etc.render import write_center_svg
def construct_x_00502(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_502 = ISOGONAL CONJUGATE OF X_501 on reference triangle ABC."""
X_501 = eval_trilinear_point(model, A, B, C, '(a*(a**(3) - b**(3) - c**(3) - b*c*(a + b + c) + a*b*(a - b) + a*c*(a - c))/(b + c))', ID="X_501", classes=["center"])
X_502 = isogonal_conjugate(model, A, B, C, X_501, ID="X_502", classes=["selected", "target"])
X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
X_191 = eval_trilinear_point(model, A, B, C, '(b + c - a)*(b*c + c*a + a*b) + b**(3) + c**(3) - a**(3)', ID="X_191", classes=["center", "incident"])
central_line(model, X_10, X_191, 10, 191, incident=True)
X_594 = eval_trilinear_point(model, A, B, C, '(b + c)**(2)/a', ID="X_594", classes=["center", "incident"])
X_3678 = eval_barycentric_point(model, A, B, C, '(a*(b + c)*(- a**(2) + b**(2) + c**(2) + b*c))', ID="X_3678", classes=["center", "incident"])
central_line(model, X_594, X_3678, 594, 3678, incident=True)
X_1089 = eval_trilinear_point(model, A, B, C, '(b**(2)*c**(2)*(b + c)**(2))', ID="X_1089", classes=["center", "incident"])
X_3969 = eval_barycentric_point(model, A, B, C, '((b + c)*(b**(2) + c**(2) - a**(2) + b*c))', ID="X_3969", classes=["center", "incident"])
central_line(model, X_1089, X_3969, 1089, 3969, incident=True)
return promote_point_to_top(model, X_502)
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_502 on the given reference triangle."""
model = create_model('X_502 = ISOGONAL CONJUGATE OF X_501')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00502(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-00502.json"))
write_center_svg(
model_acute,
here / "x-00502.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)