X2632¶
DIFFERENCE OF PU(75)
X2632 (DIFFERENCE OF PU(75)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2632 = DIFFERENCE OF PU(75)."""
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,
ceva_conjugate,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
incenter_of,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_02632(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2632 = DIFFERENCE OF PU(75) on reference triangle ABC."""
X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center"])
X_652 = eval_trilinear_point(model, A, B, C, 'sec(B) - sec(C)', ID="X_652", classes=["center"])
X_2632 = ceva_conjugate(model, A, B, C, X_1, X_652, ID="X_2632", classes=["selected", "target"])
X_162 = eval_trilinear_point(model, A, B, C, '1/(sin(2*B) - sin(2*C))', ID="X_162", classes=["center", "incident"])
central_line(model, X_1, X_162, 1, 162, incident=True)
X_63 = eval_trilinear_point(model, A, B, C, 'cot(A)', ID="X_63", classes=["center", "incident"])
X_293 = eval_trilinear_point(model, A, B, C, 'cos(A)*sec(A + omega )', ID="X_293", classes=["center", "incident"])
central_line(model, X_63, X_293, 63, 293, incident=True)
X_336 = eval_trilinear_point(model, A, B, C, 'csc(A)*cot(A)*sec(A + omega )', ID="X_336", classes=["center", "incident"])
X_799 = eval_trilinear_point(model, A, B, C, '(csc(A))**(2)/((cos(B))**(2) - (cos(C))**(2))', ID="X_799", classes=["center", "incident"])
central_line(model, X_336, X_799, 336, 799, incident=True)
return promote_point_to_top(model, X_2632)
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_2632 on the given reference triangle."""
model = create_model('X_2632 = DIFFERENCE OF PU(75)')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02632(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-02632.json"))
write_center_svg(
model_acute,
here / "x-02632.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)