X2992¶
CD(X13)
X2992 (CD(X13)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2992 = CD(X_13)."""
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,
circumcenter_of,
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_02992(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2992 = CD(X_13) on reference triangle ABC."""
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
X_299 = eval_trilinear_point(model, A, B, C, '(csc(A))**(2)*sin(A - pi /3)', ID="X_299", classes=["center"])
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
X_471 = eval_trilinear_point(model, A, B, C, 'sin(A - pi /3)*csc(2*A)', ID="X_471", classes=["center"])
central_line(model, X_3, X_299, 3, 299)
central_line(model, X_6, X_471, 6, 471)
X_2992 = intersect_lines(model, X_3, X_299, X_6, X_471, ID="X_2992", classes=["selected", "target"])
X_265 = eval_trilinear_point(model, A, B, C, 'sin(2*A)*csc(3*A)', ID="X_265", classes=["center", "incident"])
X_300 = eval_trilinear_point(model, A, B, C, '(csc(A))**(2)*csc(A + pi /3)', ID="X_300", classes=["center", "incident"])
central_line(model, X_265, X_300, 265, 300, incident=True)
return promote_point_to_top(model, X_2992)
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_2992 on the given reference triangle."""
model = create_model('X_2992 = CD(X_13)')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02992(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-02992.json"))
write_center_svg(
model_acute,
here / "x-02992.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)