X3196¶
X36-CEVA CONJUGATE OF X55
X3196 (X36-CEVA CONJUGATE OF X55) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3196 = X_36-CEVA CONJUGATE OF X_55."""
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,
intersect_lines,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_03196(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3196 = X_36-CEVA CONJUGATE OF X_55 on reference triangle ABC."""
X_36 = eval_trilinear_point(model, A, B, C, '1 - 2*cos(A)', ID="X_36", classes=["center"])
X_44 = eval_trilinear_point(model, A, B, C, 'b + c - 2*a', ID="X_44", classes=["center"])
X_45 = eval_trilinear_point(model, A, B, C, '2*b + 2*c - a', ID="X_45", classes=["center"])
X_55 = eval_trilinear_point(model, A, B, C, 'a*(b + c - a)', ID="X_55", classes=["center"])
central_line(model, X_36, X_44, 36, 44)
central_line(model, X_45, X_55, 45, 55)
X_3196 = intersect_lines(model, X_36, X_44, X_45, X_55, ID="X_3196", classes=["selected", "target"])
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
X_101 = eval_trilinear_point(model, A, B, C, 'a/(b - c)', ID="X_101", classes=["center", "incident"])
central_line(model, X_6, X_101, 6, 101, incident=True)
return promote_point_to_top(model, X_3196)
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_3196 on the given reference triangle."""
model = create_model('X_3196 = X_36-CEVA CONJUGATE OF X_55')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03196(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-03196.json"))
write_center_svg(
model_acute,
here / "x-03196.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)