X2674¶
ISOGONAL CONJUGATE OF X2672
X2674 (ISOGONAL CONJUGATE OF X2672) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2674 = ISOGONAL CONJUGATE OF X_2672."""
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,
centroid_of,
circumcenter_of,
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_02674(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2674 = ISOGONAL CONJUGATE OF X_2672 on reference triangle ABC."""
X_2672 = eval_trilinear_point(model, A, B, C, 'sec(A + a*r*c*cot(3 - 5**(1/2)))', ID="X_2672", classes=["center"])
X_2674 = isogonal_conjugate(model, A, B, C, X_2672, ID="X_2674", classes=["selected", "target"])
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
central_line(model, X_3, X_6, 3, 6, incident=True)
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
X_2671 = eval_trilinear_point(model, A, B, C, 'sec(A - a*r*c*cot(3 - 5**(1/2)))', ID="X_2671", classes=["center", "incident"])
central_line(model, X_2, X_2671, 2, 2671, incident=True)
return promote_point_to_top(model, X_2674)
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_2674 on the given reference triangle."""
model = create_model('X_2674 = ISOGONAL CONJUGATE OF X_2672')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02674(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-02674.json"))
write_center_svg(
model_acute,
here / "x-02674.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)