X1813¶
INVERSE MIMOSA TRANSFORM OF X650
X1813 (INVERSE MIMOSA TRANSFORM OF X650) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1813 = INVERSE MIMOSA TRANSFORM OF X_650."""
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,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01813(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1813 = INVERSE MIMOSA TRANSFORM OF X_650 on reference triangle ABC."""
X_1813 = eval_trilinear_point(model, A, B, C, '(cos(A))/(cos(B) - cos(C))', ID="X_1813", classes=["selected", "target"])
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_109 = eval_trilinear_point(model, A, B, C, 'a/(cos(B) - cos(C))', ID="X_109", classes=["center", "incident"])
X_110 = eval_trilinear_point(model, A, B, C, 'csc(B - C)', ID="X_110", classes=["center", "incident"])
central_line(model, X_109, X_110, 109, 110, incident=True)
X_283 = eval_trilinear_point(model, A, B, C, '(cos(A))/(cos(B) + cos(C))', ID="X_283", classes=["center", "incident"])
X_296 = eval_trilinear_point(model, A, B, C, '(cos(A))/((cos(A))**(2) - cos(B)*cos(C))', ID="X_296", classes=["center", "incident"])
central_line(model, X_283, X_296, 283, 296, incident=True)
return promote_point_to_top(model, X_1813)
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_1813 on the given reference triangle."""
model = create_model('X_1813 = INVERSE MIMOSA TRANSFORM OF X_650')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01813(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-01813.json"))
write_center_svg(
model_acute,
here / "x-01813.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)