X1425¶
X201-BETH CONJUGATE OF X201
X1425 (X201-BETH CONJUGATE OF X201) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1425 = X_201-BETH CONJUGATE OF X_201."""
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,
crosspoint,
eval_trilinear_point,
incenter_of,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01425(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1425 = X_201-BETH CONJUGATE OF X_201 on reference triangle ABC."""
X_65 = eval_trilinear_point(model, A, B, C, 'cos(B) + cos(C)', ID="X_65", classes=["center"])
X_73 = eval_trilinear_point(model, A, B, C, 'sec(B) + sec(C)', ID="X_73", classes=["center"])
X_1425 = crosspoint(model, A, B, C, X_65, X_73, ID="X_1425", classes=["selected", "target"])
X_34 = eval_trilinear_point(model, A, B, C, '1 - sec(A)', ID="X_34", classes=["center", "incident"])
X_51 = eval_trilinear_point(model, A, B, C, 'a**(2)*cos(B - C)', ID="X_51", classes=["center", "incident"])
central_line(model, X_34, X_51, 34, 51, incident=True)
X_12 = eval_trilinear_point(model, A, B, C, '1 + cos(B - C)', ID="X_12", classes=["center", "incident"])
X_125 = eval_trilinear_point(model, A, B, C, 'cos(A)*(sin(B - C))**(2)', ID="X_125", classes=["center", "incident"])
central_line(model, X_12, X_125, 12, 125, incident=True)
X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
X_185 = eval_trilinear_point(model, A, B, C, '(cos(A))*(1 - cos(A)*cos(B - C))', ID="X_185", classes=["center", "incident"])
central_line(model, X_1, X_185, 1, 185, incident=True)
return promote_point_to_top(model, X_1425)
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_1425 on the given reference triangle."""
model = create_model('X_1425 = X_201-BETH CONJUGATE OF X_201')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01425(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-01425.json"))
write_center_svg(
model_acute,
here / "x-01425.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)