X3195¶
X33-CEVA CONJUGATE OF X25
X3195 (X33-CEVA CONJUGATE OF X25) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3195 = X_33-CEVA CONJUGATE OF X_25."""
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_03195(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3195 = X_33-CEVA CONJUGATE OF X_25 on reference triangle ABC."""
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
X_33 = eval_trilinear_point(model, A, B, C, '1 + sec(A)', ID="X_33", classes=["center"])
X_25 = eval_trilinear_point(model, A, B, C, 'sin(A)*tan(A)', ID="X_25", classes=["center"])
X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center"])
central_line(model, X_6, X_33, 6, 33)
central_line(model, X_25, X_31, 25, 31)
X_3195 = intersect_lines(model, X_6, X_33, X_25, X_31, ID="X_3195", classes=["selected", "target"])
X_108 = eval_trilinear_point(model, A, B, C, 'a/(sec(B) - sec(C))', ID="X_108", classes=["center", "incident"])
X_222 = eval_trilinear_point(model, A, B, C, 'cos(A)*tan(A/2)', ID="X_222", classes=["center", "incident"])
central_line(model, X_108, X_222, 108, 222, incident=True)
return promote_point_to_top(model, X_3195)
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_3195 on the given reference triangle."""
model = create_model('X_3195 = X_33-CEVA CONJUGATE OF X_25')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03195(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-03195.json"))
write_center_svg(
model_acute,
here / "x-03195.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)