X1240¶
ISOTOMIC CONJUGATE OF X1193
X1240 (ISOTOMIC CONJUGATE OF X1193) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1240 = ISOTOMIC CONJUGATE OF X_1193."""
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,
gergonne_point_of,
isotomic_conjugate,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01240(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1240 = ISOTOMIC CONJUGATE OF X_1193 on reference triangle ABC."""
X_1193 = eval_trilinear_point(model, A, B, C, '(a*(b**(2) + c**(2) + a*b + a*c))', ID="X_1193", classes=["center"])
X_1240 = isotomic_conjugate(model, A, B, C, X_1193, ID="X_1240", classes=["selected", "target"])
X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center", "incident"])
X_76 = eval_trilinear_point(model, A, B, C, '1/a**(3)', ID="X_76", classes=["center", "incident"])
central_line(model, X_7, X_76, 7, 76, incident=True)
X_86 = eval_trilinear_point(model, A, B, C, 'b*c/(b + c)', ID="X_86", classes=["center", "incident"])
X_313 = eval_trilinear_point(model, A, B, C, '(b + c)*b**(3)*c**(3)', ID="X_313", classes=["center", "incident"])
central_line(model, X_86, X_313, 86, 313, incident=True)
X_75 = eval_trilinear_point(model, A, B, C, '1/a**(2)', ID="X_75", classes=["center", "incident"])
X_1237 = eval_trilinear_point(model, A, B, C, '(b**(3)*c**(3)*(b + c)*(a**(2) + b*c))', ID="X_1237", classes=["center", "incident"])
central_line(model, X_75, X_1237, 75, 1237, incident=True)
return promote_point_to_top(model, X_1240)
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_1240 on the given reference triangle."""
model = create_model('X_1240 = ISOTOMIC CONJUGATE OF X_1193')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01240(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-01240.json"))
write_center_svg(
model_acute,
here / "x-01240.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)