X340¶
ISOTOMIC CONJUGATE OF X265
X340 (ISOTOMIC CONJUGATE OF X265) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_340 = ISOTOMIC CONJUGATE OF X_265."""
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,
orthocenter_of,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_00340(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_340 = ISOTOMIC CONJUGATE OF X_265 on reference triangle ABC."""
X_340 = eval_trilinear_point(model, A, B, C, 'sec(A)*sin(3*A)*(csc(A))**(3)', ID="X_340", classes=["selected", "target"])
X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
X_69 = eval_trilinear_point(model, A, B, C, '(cos(A))/a**(2)', ID="X_69", classes=["center", "incident"])
central_line(model, X_4, X_69, 4, 69, 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_140 = eval_trilinear_point(model, A, B, C, '2*cos(A) + cos(B - C)', ID="X_140", classes=["center", "incident"])
central_line(model, X_95, X_140, 95, 140, incident=True)
X_67 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(4) + c**(4) - a**(4) - b**(2)*c**(2))', ID="X_67", classes=["center", "incident"])
X_290 = eval_trilinear_point(model, A, B, C, '(csc(A))**(2)*sec(A + omega )', ID="X_290", classes=["center", "incident"])
central_line(model, X_67, X_290, 67, 290, incident=True)
return promote_point_to_top(model, X_340)
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_340 on the given reference triangle."""
model = create_model('X_340 = ISOTOMIC CONJUGATE OF X_265')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00340(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-00340.json"))
write_center_svg(
model_acute,
here / "x-00340.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)