X197¶
X8-CEVA CONJUGATE OF X6
X197 (X8-CEVA CONJUGATE OF X6) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_197 = X_8-CEVA CONJUGATE OF X_6."""
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,
ceva_conjugate,
circumcenter_of,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
nagel_point_of,
promote_point_to_top,
spieker_center_of,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_00197(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_197 = X_8-CEVA CONJUGATE OF X_6 on reference triangle ABC."""
X_8 = nagel_point_of(model, A, B, C, ID="X_8", classes=["center"])
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
X_197 = ceva_conjugate(model, A, B, C, X_8, X_6, ID="X_197", classes=["selected", "target"])
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
central_line(model, X_3, X_10, 3, 10, incident=True)
X_19 = eval_trilinear_point(model, A, B, C, 'tan(A)', ID="X_19", classes=["center", "incident"])
X_25 = eval_trilinear_point(model, A, B, C, 'sin(A)*tan(A)', ID="X_25", classes=["center", "incident"])
central_line(model, X_19, X_25, 19, 25, incident=True)
X_42 = eval_trilinear_point(model, A, B, C, 'a*(b + c)', ID="X_42", classes=["center", "incident"])
X_48 = eval_trilinear_point(model, A, B, C, 'tan(B) + tan(C)', ID="X_48", classes=["center", "incident"])
central_line(model, X_42, X_48, 42, 48, incident=True)
return promote_point_to_top(model, X_197)
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_197 on the given reference triangle."""
model = create_model('X_197 = X_8-CEVA CONJUGATE OF X_6')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00197(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-00197.json"))
write_center_svg(
model_acute,
here / "x-00197.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)