X3602¶
ISOGONAL CONJUGATE OF X3274
X3602 (ISOGONAL CONJUGATE OF X3274) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3602 = ISOGONAL CONJUGATE OF X_3274."""
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,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_03602(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3602 = ISOGONAL CONJUGATE OF X_3274 on reference triangle ABC."""
X_3602 = eval_trilinear_point(model, A, B, C, 'csc(A/3 - pi /3)', ID="X_3602", classes=["selected", "target"])
X_356 = eval_trilinear_point(model, A, B, C, 'cos(A/3) + 2*cos(B/3)*cos(C/3)', ID="X_356", classes=["center", "incident"])
X_357 = eval_trilinear_point(model, A, B, C, 'sec(A/3)', ID="X_357", classes=["center", "incident"])
central_line(model, X_356, X_357, 356, 357, incident=True)
X_1134 = eval_trilinear_point(model, A, B, C, '1/cos(A/3 + 2*pi /3)', ID="X_1134", classes=["center", "incident"])
X_1137 = eval_trilinear_point(model, A, B, C, '(cos(A/3 + 4*pi /3))', ID="X_1137", classes=["center", "incident"])
central_line(model, X_1134, X_1137, 1134, 1137, incident=True)
X_1135 = eval_trilinear_point(model, A, B, C, 'cos(A/3 + 2*pi /3)', ID="X_1135", classes=["center", "incident"])
X_1136 = eval_trilinear_point(model, A, B, C, '1/cos(A/3 + 4*pi /3)', ID="X_1136", classes=["center", "incident"])
central_line(model, X_1135, X_1136, 1135, 1136, incident=True)
return promote_point_to_top(model, X_3602)
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_3602 on the given reference triangle."""
model = create_model('X_3602 = ISOGONAL CONJUGATE OF X_3274')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03602(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-03602.json"))
write_center_svg(
model_acute,
here / "x-03602.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)