X934¶
X513-CROSS CONJUGATE OF X57
X934 (X513-CROSS CONJUGATE OF X57) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_934 = X_513-CROSS CONJUGATE OF X_57."""
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,
gergonne_point_of,
incenter_of,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_00934(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_934 = X_513-CROSS CONJUGATE OF X_57 on reference triangle ABC."""
X_934 = eval_trilinear_point(model, A, B, C, '1/((b - c)*(b + c - a)**(2))', ID="X_934", classes=["selected", "target"])
X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
X_103 = eval_trilinear_point(model, A, B, C, 'a/((a - b)*cot(C) + (a - c)*cot(B))', ID="X_103", classes=["center", "incident"])
central_line(model, X_1, X_103, 1, 103, incident=True)
X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center", "incident"])
X_104 = eval_trilinear_point(model, A, B, C, '1/(-1 + cos(B) + cos(C))', ID="X_104", classes=["center", "incident"])
central_line(model, X_7, X_104, 7, 104, incident=True)
X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center", "incident"])
X_105 = eval_trilinear_point(model, A, B, C, '1/(b**(2) + c**(2) - a*(b + c))', ID="X_105", classes=["center", "incident"])
central_line(model, X_56, X_105, 56, 105, incident=True)
return promote_point_to_top(model, X_934)
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_934 on the given reference triangle."""
model = create_model('X_934 = X_513-CROSS CONJUGATE OF X_57')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00934(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-00934.json"))
write_center_svg(
model_acute,
here / "x-00934.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)