X570¶
ORTHOGONAL OF X52
X570 (ORTHOGONAL OF X52) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_570 = ORTHOGONAL OF X_52."""
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,
complement,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_00570(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_570 = ORTHOGONAL OF X_52 on reference triangle ABC."""
X_311 = eval_trilinear_point(model, A, B, C, '(csc(A))**(2)*cos(B - C)', ID="X_311", classes=["center"])
X_570 = complement(model, A, B, C, X_311, ID="X_570", classes=["selected", "target"])
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
central_line(model, X_3, X_6, 3, 6, incident=True)
X_115 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) - c**(2))**(2)', ID="X_115", classes=["center", "incident"])
X_128 = eval_trilinear_point(model, A, B, C, '((sec(A))*(cos(2*B) + cos(2*C))*(1 + 2*cos(2*A))*(cos(2*A) + 2*cos(2*B)*cos(2*C)))', ID="X_128", classes=["center", "incident"])
central_line(model, X_115, X_128, 115, 128, incident=True)
X_53 = eval_trilinear_point(model, A, B, C, 'tan(A)*cos(B - C)', ID="X_53", classes=["center", "incident"])
X_232 = eval_trilinear_point(model, A, B, C, 'tan(A)*cos(A + omega )', ID="X_232", classes=["center", "incident"])
central_line(model, X_53, X_232, 53, 232, incident=True)
return promote_point_to_top(model, X_570)
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_570 on the given reference triangle."""
model = create_model('X_570 = ORTHOGONAL OF X_52')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00570(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-00570.json"))
write_center_svg(
model_acute,
here / "x-00570.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)