X162¶
CEVAPOINT OF X108 AND X109
X162 (CEVAPOINT OF X108 AND X109) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_162 = CEVAPOINT OF X_108 AND X_109."""
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,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_00162(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_162 = CEVAPOINT OF X_108 AND X_109 on reference triangle ABC."""
X_162 = eval_trilinear_point(model, A, B, C, '1/(sin(2*B) - sin(2*C))', ID="X_162", classes=["selected", "target"])
X_29 = eval_trilinear_point(model, A, B, C, '(sec(A))/(cos(B) + cos(C))', ID="X_29", classes=["center", "incident"])
X_58 = eval_trilinear_point(model, A, B, C, 'a/(b + c)', ID="X_58", classes=["center", "incident"])
central_line(model, X_29, X_58, 29, 58, incident=True)
X_28 = eval_trilinear_point(model, A, B, C, '(tan(A))/(b + c)', ID="X_28", classes=["center", "incident"])
X_88 = eval_trilinear_point(model, A, B, C, '1/(b + c - 2*a)', ID="X_88", classes=["center", "incident"])
central_line(model, X_28, X_88, 28, 88, incident=True)
X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
X_92 = eval_trilinear_point(model, A, B, C, 'csc(2*A)', ID="X_92", classes=["center", "incident"])
central_line(model, X_31, X_92, 31, 92, incident=True)
return promote_point_to_top(model, X_162)
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_162 on the given reference triangle."""
model = create_model('X_162 = CEVAPOINT OF X_108 AND X_109')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00162(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-00162.json"))
write_center_svg(
model_acute,
here / "x-00162.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)