X1422¶
X189-BETH CONJUGATE OF X189
X1422 (X189-BETH CONJUGATE OF X189) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1422 = X_189-BETH CONJUGATE OF X_189."""
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,
centroid_of,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
incenter_of,
intersect_lines,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01422(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1422 = X_189-BETH CONJUGATE OF X_189 on reference triangle ABC."""
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
X_77 = eval_trilinear_point(model, A, B, C, '1/(1 + sec(A))', ID="X_77", classes=["center"])
X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center"])
X_84 = eval_trilinear_point(model, A, B, C, '1/(cos(B) + cos(C) - cos(A) - 1)', ID="X_84", classes=["center"])
central_line(model, X_2, X_77, 2, 77)
central_line(model, X_1, X_84, 1, 84)
X_1422 = intersect_lines(model, X_2, X_77, X_1, X_84, ID="X_1422", classes=["selected", "target"])
X_269 = eval_trilinear_point(model, A, B, C, '(tan(A/2))**(2)', ID="X_269", classes=["center", "incident"])
X_278 = eval_trilinear_point(model, A, B, C, 'sec(A)*tan(A/2)', ID="X_278", classes=["center", "incident"])
central_line(model, X_269, X_278, 269, 278, incident=True)
return promote_point_to_top(model, X_1422)
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_1422 on the given reference triangle."""
model = create_model('X_1422 = X_189-BETH CONJUGATE OF X_189')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01422(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-01422.json"))
write_center_svg(
model_acute,
here / "x-01422.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)