X3846¶
X1999com(3rd EULER TRIANGLE)
X3846 (X1999com(3rd EULER TRIANGLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3846 = X_1999com(3rd EULER TRIANGLE)."""
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,
complement,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
nine_point_center_of,
promote_point_to_top,
spieker_center_of,
)
from geometor.etc.render import write_center_svg
def construct_x_03846(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3846 = X_1999com(3rd EULER TRIANGLE) on reference triangle ABC."""
X_171 = eval_trilinear_point(model, A, B, C, 'a**(2) + b*c', ID="X_171", classes=["center"])
X_3846 = complement(model, A, B, C, X_171, ID="X_3846", classes=["selected", "target"])
X_5 = nine_point_center_of(model, A, B, C, ID="X_5", classes=["center", "incident"])
X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
central_line(model, X_5, X_10, 5, 10, incident=True)
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
central_line(model, X_2, X_31, 2, 31, incident=True)
X_114 = eval_trilinear_point(model, A, B, C, 'b*c*(b*sec(B + omega ) + c*sec(C + omega ))', ID="X_114", classes=["center", "incident"])
X_124 = eval_trilinear_point(model, A, B, C, '(b*c*(b + c - a)*(b - c)**(2)*((b + c)*(b**(2) + c**(2) - a**(2) - b*c) + a*b*c))', ID="X_124", classes=["center", "incident"])
central_line(model, X_114, X_124, 114, 124, incident=True)
return promote_point_to_top(model, X_3846)
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_3846 on the given reference triangle."""
model = create_model('X_3846 = X_1999com(3rd EULER TRIANGLE)')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03846(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-03846.json"))
write_center_svg(
model_acute,
here / "x-03846.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)