X1741¶
MIMOSA TRANSFORM OF X189
X1741 (MIMOSA TRANSFORM OF X189) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1741 = MIMOSA TRANSFORM OF X_189."""
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,
centroid_of,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
gergonne_point_of,
intersect_lines,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01741(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1741 = MIMOSA TRANSFORM OF X_189 on reference triangle ABC."""
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center"])
X_46 = eval_trilinear_point(model, A, B, C, 'cos(B) + cos(C) - cos(A)', ID="X_46", classes=["center"])
X_281 = eval_trilinear_point(model, A, B, C, 'sec(A)*cot(A/2)', ID="X_281", classes=["center"])
central_line(model, X_2, X_7, 2, 7)
central_line(model, X_46, X_281, 46, 281)
X_1741 = intersect_lines(model, X_2, X_7, X_46, X_281, ID="X_1741", classes=["selected", "target"])
X_19 = eval_trilinear_point(model, A, B, C, 'tan(A)', ID="X_19", classes=["center", "incident"])
X_1158 = eval_trilinear_point(model, A, B, C, 'a**(6) - b**(6) - c**(6) + b**(2)*c**(2)*(b**(2) + c**(2)) + 3*a**(2)*(b**(4) + c**(4) - a**(2)*b**(2) - a**(2)*c**(2)) + 2*a*b*c*(a**(3) - b**(3) - c**(3) - a*b*c + (a**(2) + b*c)*(b + c) - a*b**(2) - a*c**(2))', ID="X_1158", classes=["center", "incident"])
central_line(model, X_19, X_1158, 19, 1158, incident=True)
return promote_point_to_top(model, X_1741)
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_1741 on the given reference triangle."""
model = create_model('X_1741 = MIMOSA TRANSFORM OF X_189')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01741(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-01741.json"))
write_center_svg(
model_acute,
here / "x-01741.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)