X1731¶
MIMOSA TRANSFORM OF X88
X1731 (MIMOSA TRANSFORM OF X88) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1731 = MIMOSA TRANSFORM OF X_88."""
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,
crosspoint,
eval_trilinear_point,
mittenpunkt_of,
nagel_point_of,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01731(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1731 = MIMOSA TRANSFORM OF X_88 on reference triangle ABC."""
X_21 = eval_trilinear_point(model, A, B, C, '1/(cos(B) + cos(C))', ID="X_21", classes=["center"])
X_88 = eval_trilinear_point(model, A, B, C, '1/(b + c - 2*a)', ID="X_88", classes=["center"])
X_1731 = crosspoint(model, A, B, C, X_21, X_88, ID="X_1731", classes=["selected", "target"])
X_8 = nagel_point_of(model, A, B, C, ID="X_8", classes=["center", "incident"])
X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
central_line(model, X_8, X_9, 8, 9, incident=True)
X_19 = eval_trilinear_point(model, A, B, C, 'tan(A)', ID="X_19", classes=["center", "incident"])
X_46 = eval_trilinear_point(model, A, B, C, 'cos(B) + cos(C) - cos(A)', ID="X_46", classes=["center", "incident"])
central_line(model, X_19, X_46, 19, 46, incident=True)
X_44 = eval_trilinear_point(model, A, B, C, 'b + c - 2*a', ID="X_44", classes=["center", "incident"])
X_517 = eval_trilinear_point(model, A, B, C, '-1 + cos(B) + cos(C)', ID="X_517", classes=["center", "incident"])
central_line(model, X_44, X_517, 44, 517, incident=True)
return promote_point_to_top(model, X_1731)
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_1731 on the given reference triangle."""
model = create_model('X_1731 = MIMOSA TRANSFORM OF X_88')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01731(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-01731.json"))
write_center_svg(
model_acute,
here / "x-01731.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)