X3093¶
INTERSECTION OF LINES X2X_1578 AND X4X_6
X3093 (INTERSECTION OF LINES X2X_1578 AND X4X_6) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3093 = INTERSECTION OF LINES X_2X_1578 AND X_4X_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,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
orthocenter_of,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_03093(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3093 = INTERSECTION OF LINES X_2X_1578 AND X_4X_6 on reference triangle ABC."""
X_3093 = eval_trilinear_point(model, A, B, C, '(sin(A) - sec(A))', ID="X_3093", classes=["selected", "target"])
X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
central_line(model, X_4, X_6, 4, 6, incident=True)
X_25 = eval_trilinear_point(model, A, B, C, 'sin(A)*tan(A)', ID="X_25", classes=["center", "incident"])
X_372 = eval_trilinear_point(model, A, B, C, 'cos(A + pi /4)', ID="X_372", classes=["center", "incident"])
central_line(model, X_25, X_372, 25, 372, incident=True)
X_235 = eval_trilinear_point(model, A, B, C, 'sec(A) - cos(B - C)', ID="X_235", classes=["center", "incident"])
X_486 = eval_trilinear_point(model, A, B, C, 'sec(A + pi /4)', ID="X_486", classes=["center", "incident"])
central_line(model, X_235, X_486, 235, 486, incident=True)
return promote_point_to_top(model, X_3093)
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_3093 on the given reference triangle."""
model = create_model('X_3093 = INTERSECTION OF LINES X_2X_1578 AND X_4X_6')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03093(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-03093.json"))
write_center_svg(
model_acute,
here / "x-03093.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)