X307¶
ISOTOMIC CONJUGATE OF X29
X307 (ISOTOMIC CONJUGATE OF X29) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_307 = ISOTOMIC CONJUGATE OF X_29."""
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,
centroid_of,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
gergonne_point_of,
nagel_point_of,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_00307(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_307 = ISOTOMIC CONJUGATE OF X_29 on reference triangle ABC."""
X_307 = eval_trilinear_point(model, A, B, C, 'b**(2)*c**(2)*(b + c)*(cos(A))/(b + c - a)', ID="X_307", classes=["selected", "target"])
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center", "incident"])
central_line(model, X_2, X_7, 2, 7, incident=True)
X_69 = eval_trilinear_point(model, A, B, C, '(cos(A))/a**(2)', ID="X_69", classes=["center", "incident"])
X_73 = eval_trilinear_point(model, A, B, C, 'sec(B) + sec(C)', ID="X_73", classes=["center", "incident"])
central_line(model, X_69, X_73, 69, 73, incident=True)
X_8 = nagel_point_of(model, A, B, C, ID="X_8", classes=["center", "incident"])
X_253 = eval_trilinear_point(model, A, B, C, '((csc(A))/(tan(B) + tan(C) - tan(A)))', ID="X_253", classes=["center", "incident"])
central_line(model, X_8, X_253, 8, 253, incident=True)
return promote_point_to_top(model, X_307)
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_307 on the given reference triangle."""
model = create_model('X_307 = ISOTOMIC CONJUGATE OF X_29')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00307(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-00307.json"))
write_center_svg(
model_acute,
here / "x-00307.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)