X294¶
ISOGONAL CONJUGATE OF X241
X294 (ISOGONAL CONJUGATE OF X241) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_294 = ISOGONAL CONJUGATE OF X_241."""
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,
gergonne_point_of,
incenter_of,
isogonal_conjugate,
orthocenter_of,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_00294(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_294 = ISOGONAL CONJUGATE OF X_241 on reference triangle ABC."""
X_241 = eval_trilinear_point(model, A, B, C, '(cos(B/2))**(4) - ((cos(A/2))**(2))*((cos(B/2))**(2) +(cos(C/2))**(2)) + (cos(C/2))**(4)', ID="X_241", classes=["center"])
X_294 = isogonal_conjugate(model, A, B, C, X_241, ID="X_294", classes=["selected", "target"])
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center", "incident"])
central_line(model, X_6, X_7, 6, 7, incident=True)
X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
X_41 = eval_trilinear_point(model, A, B, C, 'a**(2)*(b + c - a)', ID="X_41", classes=["center", "incident"])
central_line(model, X_1, X_41, 1, 41, incident=True)
X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
X_218 = eval_trilinear_point(model, A, B, C, '((cos(A/2))**(2)*((cos(B/2))**(4) + (cos(C/2))**(4) - (cos(A/2))**(4)))', ID="X_218", classes=["center", "incident"])
central_line(model, X_4, X_218, 4, 218, incident=True)
return promote_point_to_top(model, X_294)
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_294 on the given reference triangle."""
model = create_model('X_294 = ISOGONAL CONJUGATE OF X_241')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00294(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-00294.json"))
write_center_svg(
model_acute,
here / "x-00294.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)