X3552¶
EULER LINE INTERCEPT OF LINE X32X_99
X3552 (EULER LINE INTERCEPT OF LINE X32X_99) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3552 = EULER LINE INTERCEPT OF LINE X_32X_99."""
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,
cevapoint,
circumcenter_of,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_03552(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3552 = EULER LINE INTERCEPT OF LINE X_32X_99 on reference triangle ABC."""
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
X_3360 = eval_trilinear_point(model, A, B, C, '(a*(3*b**(4)*c**(4) - c**(4)*a**(4) - a**(4)*b**(4) +2*a**(2)*(a**(2)*b**(2)*c**(2) - b**(2)*c**(4) - b**(4)*c**(2))))', ID="X_3360", classes=["center"])
X_3552 = cevapoint(model, A, B, C, X_3, X_3360, ID="X_3552", classes=["selected", "target"])
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
central_line(model, X_2, X_3, 2, 3)
X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center", "incident"])
central_line(model, X_32, X_99, 32, 99, incident=True)
X_76 = eval_trilinear_point(model, A, B, C, '1/a**(3)', ID="X_76", classes=["center", "incident"])
X_187 = eval_trilinear_point(model, A, B, C, 'a*(2*a**(2) - b**(2) - c**(2))', ID="X_187", classes=["center", "incident"])
central_line(model, X_76, X_187, 76, 187, incident=True)
return promote_point_to_top(model, X_3552)
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_3552 on the given reference triangle."""
model = create_model('X_3552 = EULER LINE INTERCEPT OF LINE X_32X_99')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03552(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-03552.json"))
write_center_svg(
model_acute,
here / "x-03552.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)