X1569¶
MOSES-CIRCLE ANTIPODE OF X115
X1569 (MOSES-CIRCLE ANTIPODE OF X115) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1569 = MOSES-CIRCLE ANTIPODE OF X_115."""
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,
midpoint,
nine_point_center_of,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01569(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1569 = MOSES-CIRCLE ANTIPODE OF X_115 on reference triangle ABC."""
X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center"])
X_194 = eval_trilinear_point(model, A, B, C, 'b*c*(a**(2)*b**(2) + a**(2)*c**(2) - b**(2)*c**(2))', ID="X_194", classes=["center"])
X_1569 = midpoint(model, X_99, X_194, ID="X_1569", classes=["selected", "target"], guide=False)
X_5 = nine_point_center_of(model, A, B, C, ID="X_5", classes=["center", "incident"])
X_39 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) + c**(2))', ID="X_39", classes=["center", "incident"])
central_line(model, X_5, X_39, 5, 39, incident=True)
X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
central_line(model, X_32, X_99, 32, 99, incident=True)
X_98 = eval_trilinear_point(model, A, B, C, 'sec(A + omega )', ID="X_98", classes=["center", "incident"])
X_574 = eval_trilinear_point(model, A, B, C, 'a*(a**(2) - 2*b**(2) - 2*c**(2))', ID="X_574", classes=["center", "incident"])
central_line(model, X_98, X_574, 98, 574, incident=True)
return promote_point_to_top(model, X_1569)
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_1569 on the given reference triangle."""
model = create_model('X_1569 = MOSES-CIRCLE ANTIPODE OF X_115')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01569(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-01569.json"))
write_center_svg(
model_acute,
here / "x-01569.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)