X3468¶
X5-CEVA CONJUGATE OF X3336
X3468 (X5-CEVA CONJUGATE OF X3336) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3468 = X_5-CEVA CONJUGATE OF X_3336."""
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,
incenter_of,
orthocenter_of,
point_from_barycentrics,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_03468(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3468 = X_5-CEVA CONJUGATE OF X_3336 on reference triangle ABC."""
X_3468 = eval_trilinear_point(model, A, B, C, '2 - sec(A) + sec(B) + sec(C)', ID="X_3468", classes=["selected", "target"])
X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
central_line(model, X_1, X_4, 1, 4, incident=True)
X_36 = eval_trilinear_point(model, A, B, C, '1 - 2*cos(A)', ID="X_36", classes=["center", "incident"])
X_1410 = point_from_barycentrics(model, A, B, C, 0.21489592, 0.38593986, 0.39916422, ID="X_1410", classes=["center", "incident"])
central_line(model, X_36, X_1410, 36, 1410, incident=True)
X_62 = eval_trilinear_point(model, A, B, C, 'sin(A - pi /6)', ID="X_62", classes=["center", "incident"])
X_1652 = eval_trilinear_point(model, A, B, C, '(sqrt(3/4) - sin(A + pi /3) + sin(B + pi /3) + sin(C + pi /3))', ID="X_1652", classes=["center", "incident"])
central_line(model, X_62, X_1652, 62, 1652, incident=True)
return promote_point_to_top(model, X_3468)
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_3468 on the given reference triangle."""
model = create_model('X_3468 = X_5-CEVA CONJUGATE OF X_3336')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03468(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-03468.json"))
write_center_svg(
model_acute,
here / "x-03468.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)