X1775¶
MIMOSA TRANSFORM OF X1063
X1775 (MIMOSA TRANSFORM OF X1063) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1775 = MIMOSA TRANSFORM OF X_1063."""
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,
intersect_lines,
orthocenter_of,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01775(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1775 = MIMOSA TRANSFORM OF X_1063 on reference triangle ABC."""
X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center"])
X_46 = eval_trilinear_point(model, A, B, C, 'cos(B) + cos(C) - cos(A)', ID="X_46", classes=["center"])
X_47 = eval_trilinear_point(model, A, B, C, 'cos(2*A)', ID="X_47", classes=["center"])
X_57 = eval_trilinear_point(model, A, B, C, '1/(b + c - a)', ID="X_57", classes=["center"])
central_line(model, X_4, X_46, 4, 46)
central_line(model, X_47, X_57, 47, 57)
X_1775 = intersect_lines(model, X_4, X_46, X_47, X_57, ID="X_1775", classes=["selected", "target"])
X_24 = eval_trilinear_point(model, A, B, C, 'sec(A)*cos(2*A)', ID="X_24", classes=["center", "incident"])
X_1063 = eval_trilinear_point(model, A, B, C, '(1/(2 - sec(B)*sec(C)))', ID="X_1063", classes=["center", "incident"])
central_line(model, X_24, X_1063, 24, 1063, incident=True)
return promote_point_to_top(model, X_1775)
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_1775 on the given reference triangle."""
model = create_model('X_1775 = MIMOSA TRANSFORM OF X_1063')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01775(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-01775.json"))
write_center_svg(
model_acute,
here / "x-01775.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)