X2763¶
SR(X107, X111)
X2763 (SR(X107, X111)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2763 = SR(X_107, X_111)."""
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,
intersect_lines,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_02763(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2763 = SR(X_107, X_111) on reference triangle ABC."""
X_107 = eval_trilinear_point(model, A, B, C, '1/(cos(A)*(sin(2*B) - sin(2*C)))', ID="X_107", classes=["center"])
X_524 = eval_trilinear_point(model, A, B, C, '(2*a**(2) - b**(2) - c**(2))/a', ID="X_524", classes=["center"])
X_111 = eval_trilinear_point(model, A, B, C, 'a/(2*a**(2) - b**(2) - c**(2))', ID="X_111", classes=["center"])
X_520 = eval_trilinear_point(model, A, B, C, '(cos(A))*(sin(2*B) - sin(2*C))', ID="X_520", classes=["center"])
central_line(model, X_107, X_524, 107, 524)
central_line(model, X_111, X_520, 111, 520)
X_2763 = intersect_lines(model, X_107, X_524, X_111, X_520, ID="X_2763", classes=["selected", "target"])
X_394 = eval_trilinear_point(model, A, B, C, 'cos(A)*cot(A)', ID="X_394", classes=["center", "incident"])
X_691 = eval_trilinear_point(model, A, B, C, 'a/((b**(2) - c**(2))*(2*a**(2) - b**(2) - c**(2)))', ID="X_691", classes=["center", "incident"])
central_line(model, X_394, X_691, 394, 691, incident=True)
return promote_point_to_top(model, X_2763)
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_2763 on the given reference triangle."""
model = create_model('X_2763 = SR(X_107, X_111)')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02763(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-02763.json"))
write_center_svg(
model_acute,
here / "x-02763.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)