X615¶
ISOGONAL CONJUGATE OF X589
X615 (ISOGONAL CONJUGATE OF X589) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_615 = ISOGONAL CONJUGATE OF X_589."""
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,
nine_point_center_of,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_00615(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_615 = ISOGONAL CONJUGATE OF X_589 on reference triangle ABC."""
X_589 = eval_trilinear_point(model, A, B, C, '(a/(a**(2) - 4*area ))', ID="X_589", classes=["center"])
X_615 = isogonal_conjugate(model, A, B, C, X_589, ID="X_615", classes=["selected", "target"])
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
central_line(model, X_2, X_6, 2, 6, incident=True)
X_5 = nine_point_center_of(model, A, B, C, ID="X_5", classes=["center", "incident"])
X_372 = eval_trilinear_point(model, A, B, C, 'cos(A + pi /4)', ID="X_372", classes=["center", "incident"])
central_line(model, X_5, X_372, 5, 372, incident=True)
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
X_486 = eval_trilinear_point(model, A, B, C, 'sec(A + pi /4)', ID="X_486", classes=["center", "incident"])
central_line(model, X_3, X_486, 3, 486, incident=True)
return promote_point_to_top(model, X_615)
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_615 on the given reference triangle."""
model = create_model('X_615 = ISOGONAL CONJUGATE OF X_589')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00615(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-00615.json"))
write_center_svg(
model_acute,
here / "x-00615.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)