X2235¶
X2-ISOCONJUGATE OF X731
X2235 (X2-ISOCONJUGATE OF X731) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2235 = X_2-ISOCONJUGATE OF X_731."""
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,
mittenpunkt_of,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_02235(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2235 = X_2-ISOCONJUGATE OF X_731 on reference triangle ABC."""
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
X_75 = eval_trilinear_point(model, A, B, C, '1/a**(2)', ID="X_75", classes=["center"])
X_44 = eval_trilinear_point(model, A, B, C, 'b + c - 2*a', ID="X_44", classes=["center"])
X_513 = eval_trilinear_point(model, A, B, C, 'b - c', ID="X_513", classes=["center"])
central_line(model, X_6, X_75, 6, 75)
central_line(model, X_44, X_513, 44, 513)
X_2235 = intersect_lines(model, X_6, X_75, X_44, X_513, ID="X_2235", classes=["selected", "target"])
X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
X_1740 = eval_trilinear_point(model, A, B, C, '(a**(2)*b**(2) + a**(2)*c**(2) - b**(2)*c**(2))', ID="X_1740", classes=["center", "incident"])
central_line(model, X_9, X_1740, 9, 1740, incident=True)
return promote_point_to_top(model, X_2235)
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_2235 on the given reference triangle."""
model = create_model('X_2235 = X_2-ISOCONJUGATE OF X_731')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02235(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-02235.json"))
write_center_svg(
model_acute,
here / "x-02235.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)