X1814¶
INVERSE MIMOSA TRANSFORM OF X672
X1814 (INVERSE MIMOSA TRANSFORM OF X672) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1814 = INVERSE MIMOSA TRANSFORM OF X_672."""
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,
gergonne_point_of,
promote_point_to_top,
reflection_in_point,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_01814(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1814 = INVERSE MIMOSA TRANSFORM OF X_672 on reference triangle ABC."""
X_651 = eval_trilinear_point(model, A, B, C, '1/(cos(B) - cos(C))', ID="X_651", classes=["center"])
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
X_1814 = reflection_in_point(model, X_651, X_6, ID="X_1814", classes=["selected", "target"], guide=False)
X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center", "incident"])
central_line(model, X_6, X_7, 6, 7, incident=True)
X_48 = eval_trilinear_point(model, A, B, C, 'tan(B) + tan(C)', ID="X_48", classes=["center", "incident"])
X_77 = eval_trilinear_point(model, A, B, C, '1/(1 + sec(A))', ID="X_77", classes=["center", "incident"])
central_line(model, X_48, X_77, 48, 77, incident=True)
X_81 = eval_trilinear_point(model, A, B, C, '1/(b + c)', ID="X_81", classes=["center", "incident"])
X_105 = eval_trilinear_point(model, A, B, C, '1/(b**(2) + c**(2) - a*(b + c))', ID="X_105", classes=["center", "incident"])
central_line(model, X_81, X_105, 81, 105, incident=True)
return promote_point_to_top(model, X_1814)
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_1814 on the given reference triangle."""
model = create_model('X_1814 = INVERSE MIMOSA TRANSFORM OF X_672')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01814(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-01814.json"))
write_center_svg(
model_acute,
here / "x-01814.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)