X3024¶
8th STEVANOVIC POINT
X3024 (8th STEVANOVIC POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3024 = 8th STEVANOVIC POINT."""
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,
feuerbach_point_of,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_03024(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3024 = 8th STEVANOVIC POINT on reference triangle ABC."""
X_3024 = eval_trilinear_point(model, A, B, C, 'a*(b + c - a)*(b - c)**(2)*(b**(2) + c**(2) - a**(2) + b*c)**(2)', ID="X_3024", classes=["selected", "target"])
X_12 = eval_trilinear_point(model, A, B, C, '1 + cos(B - C)', ID="X_12", classes=["center", "incident"])
X_113 = eval_trilinear_point(model, A, B, C, 'sin(B)*sin(C)*((sin(C))/(cos(C) - 2*cos(A)*cos(B)) + (sin(B))/(cos(B) - 2*cos(A)*cos(C)))', ID="X_113", classes=["center", "incident"])
central_line(model, X_12, X_113, 12, 113, incident=True)
X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center", "incident"])
X_74 = eval_trilinear_point(model, A, B, C, '1/(cos(A) - 2*cos(B)*cos(C))', ID="X_74", classes=["center", "incident"])
central_line(model, X_56, X_74, 56, 74, incident=True)
X_11 = feuerbach_point_of(model, A, B, C, ID="X_11", classes=["center", "incident"])
X_125 = eval_trilinear_point(model, A, B, C, 'cos(A)*(sin(B - C))**(2)', ID="X_125", classes=["center", "incident"])
central_line(model, X_11, X_125, 11, 125, incident=True)
return promote_point_to_top(model, X_3024)
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_3024 on the given reference triangle."""
model = create_model('X_3024 = 8th STEVANOVIC POINT')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03024(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-03024.json"))
write_center_svg(
model_acute,
here / "x-03024.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)