X310¶
ISOTOMIC CONJUGATE OF X42
X310 (ISOTOMIC CONJUGATE OF X42) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_310 = ISOTOMIC CONJUGATE OF X_42."""
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,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_00310(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_310 = ISOTOMIC CONJUGATE OF X_42 on reference triangle ABC."""
X_310 = eval_trilinear_point(model, A, B, C, 'b**(3)*c**(3)/(b + c)', ID="X_310", classes=["selected", "target"])
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
X_39 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) + c**(2))', ID="X_39", classes=["center", "incident"])
central_line(model, X_2, X_39, 2, 39, incident=True)
X_38 = eval_trilinear_point(model, A, B, C, 'b**(2) + c**(2)', ID="X_38", classes=["center", "incident"])
X_75 = eval_trilinear_point(model, A, B, C, '1/a**(2)', ID="X_75", classes=["center", "incident"])
central_line(model, X_38, X_75, 38, 75, incident=True)
X_261 = eval_trilinear_point(model, A, B, C, '(((csc(A))*(sec(B/2 - C/2)))**(2))', ID="X_261", classes=["center", "incident"])
X_272 = eval_trilinear_point(model, A, B, C, '(1/((sin(A) + sin(A - B) + sin(A - C))*(sin(B) + sin(C))))', ID="X_272", classes=["center", "incident"])
central_line(model, X_261, X_272, 261, 272, incident=True)
return promote_point_to_top(model, X_310)
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_310 on the given reference triangle."""
model = create_model('X_310 = ISOTOMIC CONJUGATE OF X_42')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00310(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-00310.json"))
write_center_svg(
model_acute,
here / "x-00310.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)