X2866¶
SM(X105, X109)
X2866 (SM(X105, X109)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2866 = SM(X_105, X_109)."""
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,
intersect_lines,
point_from_barycentrics,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_02866(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2866 = SM(X_105, X_109) on reference triangle ABC."""
X_312 = eval_trilinear_point(model, A, B, C, '(b + c - a)*b**(2)*c**(2)', ID="X_312", classes=["center"])
X_919 = point_from_barycentrics(model, A, B, C, -0.11560694, 0.83236994, 0.28323699, ID="X_919", classes=["center"])
X_561 = eval_trilinear_point(model, A, B, C, 'a **(- 4)', ID="X_561", classes=["center"])
X_927 = point_from_barycentrics(model, A, B, C, -0.12244898, 0.81632653, 0.30612245, ID="X_927", classes=["center"])
central_line(model, X_312, X_919, 312, 919)
central_line(model, X_561, X_927, 561, 927)
X_2866 = intersect_lines(model, X_312, X_919, X_561, X_927, ID="X_2866", classes=["selected", "target"])
return promote_point_to_top(model, X_2866)
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_2866 on the given reference triangle."""
model = create_model('X_2866 = SM(X_105, X_109)')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02866(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-02866.json"))
write_center_svg(
model_acute,
here / "x-02866.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)