X1332¶
ORTHOCORRESPONDENT OF X100
For the definition of orthocorrespondent, see the notes just before X1992.
X1332 (ORTHOCORRESPONDENT OF X100) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1332 = ORTHOCORRESPONDENT OF X_100."""
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,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_01332(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1332 = ORTHOCORRESPONDENT OF X_100 on reference triangle ABC."""
X_1332 = eval_trilinear_point(model, A, B, C, '(b**(2) + c**(2) - a**(2))/(b - c)', ID="X_1332", classes=["selected", "target"])
X_100 = eval_trilinear_point(model, A, B, C, '1/(b - c)', ID="X_100", classes=["center", "incident"])
X_110 = eval_trilinear_point(model, A, B, C, 'csc(B - C)', ID="X_110", classes=["center", "incident"])
central_line(model, X_100, X_110, 100, 110, incident=True)
X_69 = eval_trilinear_point(model, A, B, C, '(cos(A))/a**(2)', ID="X_69", classes=["center", "incident"])
X_219 = eval_trilinear_point(model, A, B, C, 'cos(A)*cot(A/2)', ID="X_219", classes=["center", "incident"])
central_line(model, X_69, X_219, 69, 219, incident=True)
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
X_344 = eval_trilinear_point(model, A, B, C, '((csc(A/2))**(2))*((cos(B/2))**(4) + (cos(C/2))**(4) - (cos(A/2))**(4))', ID="X_344", classes=["center", "incident"])
central_line(model, X_6, X_344, 6, 344, incident=True)
return promote_point_to_top(model, X_1332)
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_1332 on the given reference triangle."""
model = create_model('X_1332 = ORTHOCORRESPONDENT OF X_100')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01332(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-01332.json"))
write_center_svg(
model_acute,
here / "x-01332.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)