X2634¶
MIDPOINT OF PU(75)
X2634 is the midpoint of pu(75).
X2634 (MIDPOINT OF PU(75)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2634 = MIDPOINT OF PU(75)."""
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_barycentric_point,
eval_trilinear_point,
mittenpunkt_of,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_02634(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2634 = MIDPOINT OF PU(75) on reference triangle ABC."""
X_2634 = eval_trilinear_point(model, A, B, C, '((a/(tan(B) - tan(A)) + b/(tan(C) - tan(B)) + c/(tan(A) - tan(C)))/(tan(C) - tan(A)) + (a/(tan(C) - tan(A)) + b/(tan(A) - tan(B)) + c/(tan(B) - tan(C)))/(tan(B) - tan(A)))', ID="X_2634", classes=["selected", "target"])
X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
X_2629 = eval_barycentric_point(model, A, B, C, 'a*(a**(8) - a**(6)*b**(2) - 2*a**(4)*b**(4) + 3*a**(2)*b**(6) - b**(8) - a**(6)*c**(2) + 5*a**(4)*b**(2)*c**(2) - 3*a**(2)*b**(4)*c**(2) - b**(6)*c**(2) - 2*a**(4)*c**(4) - 3*a**(2)*b**(2)*c**(4) + 4*b**(4)*c**(4) + 3*a**(2)*c**(6) - b**(2)*c**(6) - c**(8))', ID="X_2629", classes=["center", "incident"])
central_line(model, X_9, X_2629, 9, 2629, incident=True)
X_2631 = eval_trilinear_point(model, A, B, C, '1/(tan(C) - tan(A)) + 1/(tan(B) - tan(A))', ID="X_2631", classes=["center", "incident"])
X_2632 = eval_trilinear_point(model, A, B, C, '1/(tan(C) - tan(A)) - 1/(tan(B) - tan(A))', ID="X_2632", classes=["center", "incident"])
central_line(model, X_2631, X_2632, 2631, 2632, incident=True)
return promote_point_to_top(model, X_2634)
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_2634 on the given reference triangle."""
model = create_model('X_2634 = MIDPOINT OF PU(75)')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02634(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-02634.json"))
write_center_svg(
model_acute,
here / "x-02634.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)