X2984¶
DC(X53)
X2984 (DC(X53)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_2984 = DC(X_53)."""
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,
point_from_barycentrics,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_02984(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_2984 = DC(X_53) on reference triangle ABC."""
X_2984 = point_from_barycentrics(model, A, B, C, 0.35432335, 0.32762179, 0.31805485, ID="X_2984", classes=["selected", "target"])
X_97 = eval_trilinear_point(model, A, B, C, 'cot(A)*sec(B - C)', ID="X_97", classes=["center", "incident"])
X_3199 = point_from_barycentrics(model, A, B, C, 0.056190988, 0.13638244, 0.80742657, ID="X_3199", classes=["center", "incident"])
central_line(model, X_97, X_3199, 97, 3199, incident=True)
return promote_point_to_top(model, X_2984)
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_2984 on the given reference triangle."""
model = create_model('X_2984 = DC(X_53)')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_02984(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-02984.json"))
write_center_svg(
model_acute,
here / "x-02984.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)