X2622¶
MIDPOINT OF PU(72)
X2622 is the midpoint of pu(72).
X2622 (MIDPOINT OF PU(72)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2622 = MIDPOINT OF PU(72)."""
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,
)
from geometor.etc.render import write_center_svg
def construct_x_02622(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2622 = MIDPOINT OF PU(72) on reference triangle ABC."""
X_2622 = eval_trilinear_point(model, A, B, C, '((a*tan(B - A) + b*tan(C - B) + c*tan(A - C))*tan(C - A) + (a*tan(C - A) + b*tan(A - B) + c*tan(B - C))*tan(B - A))', ID="X_2622", classes=["selected", "target"])
X_2290 = eval_trilinear_point(model, A, B, C, 'sin(3*A)*cos(B - C)', ID="X_2290", classes=["center", "incident"])
X_2618 = eval_trilinear_point(model, A, B, C, 'tan(C - A) - tan(B - A)', ID="X_2618", classes=["center", "incident"])
central_line(model, X_2290, X_2618, 2290, 2618, incident=True)
return promote_point_to_top(model, X_2622)
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_2622 on the given reference triangle."""
model = create_model('X_2622 = MIDPOINT OF PU(72)')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02622(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-02622.json"))
write_center_svg(
model_acute,
here / "x-02622.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)