X236¶
X2-CEVA CONJUGATE OF X188
X236 (X2-CEVA CONJUGATE OF X188) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_236 = X_2-CEVA CONJUGATE OF X_188."""
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,
mittenpunkt_of,
nagel_point_of,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_00236(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_236 = X_2-CEVA CONJUGATE OF X_188 on reference triangle ABC."""
X_236 = eval_trilinear_point(model, A, B, C, '((csc(A/2))*(cos(B/2) + cos(C/2) - cos(A/2)))', ID="X_236", classes=["selected", "target"])
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
X_174 = eval_trilinear_point(model, A, B, C, 'sec(A/2)', ID="X_174", classes=["center", "incident"])
central_line(model, X_2, X_174, 2, 174, incident=True)
X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
X_173 = eval_trilinear_point(model, A, B, C, 'cos(B/2) + cos(C/2) - cos(A/2)', ID="X_173", classes=["center", "incident"])
central_line(model, X_9, X_173, 9, 173, incident=True)
X_8 = nagel_point_of(model, A, B, C, ID="X_8", classes=["center", "incident"])
X_178 = eval_trilinear_point(model, A, B, C, '(cos(B/2) + cos(C/2))*csc(A)', ID="X_178", classes=["center", "incident"])
central_line(model, X_8, X_178, 8, 178, incident=True)
return promote_point_to_top(model, X_236)
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_236 on the given reference triangle."""
model = create_model('X_236 = X_2-CEVA CONJUGATE OF X_188')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00236(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-00236.json"))
write_center_svg(
model_acute,
here / "x-00236.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)