X3006¶
(DE LONGCHAMPS LINE)∩(NAGEL LINE)
X3006 ((DE LONGCHAMPS LINE)∩(NAGEL LINE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3006 = (DE LONGCHAMPS LINE)∩(NAGEL LINE)."""
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,
incenter_of,
isotomic_conjugate,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_03006(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3006 = (DE LONGCHAMPS LINE)∩(NAGEL LINE) on reference triangle ABC."""
X_675 = eval_trilinear_point(model, A, B, C, '(b*c/(b**(3) + c**(3) - a*(b**(2) + c**(2))))', ID="X_675", classes=["center"])
X_3006 = isotomic_conjugate(model, A, B, C, X_675, ID="X_3006", classes=["selected", "target"])
X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
central_line(model, X_1, X_2, 1, 2, incident=True)
X_325 = eval_trilinear_point(model, A, B, C, '(csc(A))**(2)', ID="X_325", classes=["center", "incident"])
X_523 = eval_trilinear_point(model, A, B, C, 'sin(B -C)', ID="X_523", classes=["center", "incident"])
central_line(model, X_325, X_523, 325, 523, incident=True)
X_752 = eval_trilinear_point(model, A, B, C, 'a **(-1)*(b**(3) + c**(3)) - a**(2)*(b**(0) + c**(0))', ID="X_752", classes=["center", "incident"])
X_896 = eval_trilinear_point(model, A, B, C, '2*a**(2) - b**(2) - c**(2)', ID="X_896", classes=["center", "incident"])
central_line(model, X_752, X_896, 752, 896, incident=True)
return promote_point_to_top(model, X_3006)
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_3006 on the given reference triangle."""
model = create_model('X_3006 = (DE LONGCHAMPS LINE)∩(NAGEL LINE)')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03006(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-03006.json"))
write_center_svg(
model_acute,
here / "x-03006.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)