X305¶
ISOTOMIC CONJUGATE OF X25
X305 (ISOTOMIC CONJUGATE OF X25) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_305 = ISOTOMIC CONJUGATE OF X_25."""
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_00305(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_305 = ISOTOMIC CONJUGATE OF X_25 on reference triangle ABC."""
X_305 = eval_trilinear_point(model, A, B, C, 'b**(4)*c**(4)*cos(A)', ID="X_305", 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_22 = eval_trilinear_point(model, A, B, C, 'a*(b**(4) + c**(4) - a**(4))', ID="X_22", classes=["center", "incident"])
X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center", "incident"])
central_line(model, X_22, X_99, 22, 99, incident=True)
X_95 = eval_trilinear_point(model, A, B, C, 'b**(2)*c**(2)*sec(B - C)', ID="X_95", classes=["center", "incident"])
X_183 = eval_trilinear_point(model, A, B, C, 'b**(2)*c**(2)*cos(A- omega )', ID="X_183", classes=["center", "incident"])
central_line(model, X_95, X_183, 95, 183, incident=True)
return promote_point_to_top(model, X_305)
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_305 on the given reference triangle."""
model = create_model('X_305 = ISOTOMIC CONJUGATE OF X_25')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00305(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-00305.json"))
write_center_svg(
model_acute,
here / "x-00305.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)