X3549¶
EULER LINE INTERCEPT OF LINE X68X_184
X3549 (EULER LINE INTERCEPT OF LINE X68X_184) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3549 = EULER LINE INTERCEPT OF LINE X_68X_184."""
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,
circumcenter_of,
complement,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_03549(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3549 = EULER LINE INTERCEPT OF LINE X_68X_184 on reference triangle ABC."""
X_3541 = eval_trilinear_point(model, A, B, C, '(sec(A) + 2*sin(B)*sin(C))', ID="X_3541", classes=["center"])
X_3549 = complement(model, A, B, C, X_3541, ID="X_3549", classes=["selected", "target"])
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
central_line(model, X_2, X_3, 2, 3)
X_68 = eval_trilinear_point(model, A, B, C, 'cos(A)*sec(2*A)', ID="X_68", classes=["center", "incident"])
X_184 = eval_trilinear_point(model, A, B, C, 'a**(2)*cos(A)', ID="X_184", classes=["center", "incident"])
central_line(model, X_68, X_184, 68, 184, incident=True)
X_193 = eval_trilinear_point(model, A, B, C, '(csc(A))*(cot(B) + cot(C) - cot(A))', ID="X_193", classes=["center", "incident"])
X_195 = eval_trilinear_point(model, A, B, C, 'a*(a**(8) + b**(8) + c**(8) - 4*a**(6)*(b**(2) + c**(2)) + a**(4)*(6*b**(4) + 6*c**(4) + 5*b**(2)*c**(2)) - a**(2)*(4*b**(6) + 4*c**(6) - b**(4)*c**(2) - b**(2)*c**(4)) - 2*b**(2)*c**(2)*(b**(4) + c**(4) - b**(2)*c**(2)))', ID="X_195", classes=["center", "incident"])
central_line(model, X_193, X_195, 193, 195, incident=True)
return promote_point_to_top(model, X_3549)
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_3549 on the given reference triangle."""
model = create_model('X_3549 = EULER LINE INTERCEPT OF LINE X_68X_184')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03549(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-03549.json"))
write_center_svg(
model_acute,
here / "x-03549.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)