X1523¶
ORTHOJOIN OF X14
X1523 (ORTHOJOIN OF X14) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1523 = ORTHOJOIN OF X_14."""
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,
orthocenter_of,
point_from_barycentrics,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01523(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1523 = ORTHOJOIN OF X_14 on reference triangle ABC."""
X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center"])
X_13 = eval_trilinear_point(model, A, B, C, 'csc(A + pi /3)', ID="X_13", classes=["center"])
X_1522 = point_from_barycentrics(model, A, B, C, 0.38293819, 7.4446686, -6.8276068, ID="X_1522", classes=["center"])
X_1553 = point_from_barycentrics(model, A, B, C, -0.051778529, -0.24504162, 1.2968202, ID="X_1553", classes=["center"])
central_line(model, X_4, X_13, 4, 13)
central_line(model, X_1522, X_1553, 1522, 1553)
X_1523 = intersect_lines(model, X_4, X_13, X_1522, X_1553, ID="X_1523", classes=["selected", "target"])
return promote_point_to_top(model, X_1523)
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_1523 on the given reference triangle."""
model = create_model('X_1523 = ORTHOJOIN OF X_14')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01523(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-01523.json"))
write_center_svg(
model_acute,
here / "x-01523.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)