X1781¶
MIMOSA TRANSFORM OF X1214
X1781 (MIMOSA TRANSFORM OF X1214) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1781 = MIMOSA TRANSFORM OF X_1214."""
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,
ceva_conjugate,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
incenter_of,
mittenpunkt_of,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01781(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1781 = MIMOSA TRANSFORM OF X_1214 on reference triangle ABC."""
X_226 = eval_trilinear_point(model, A, B, C, '(csc(A))*(cos(B) + cos(C))', ID="X_226", classes=["center"])
X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center"])
X_1781 = ceva_conjugate(model, A, B, C, X_226, X_1, ID="X_1781", classes=["selected", "target"])
X_19 = eval_trilinear_point(model, A, B, C, 'tan(A)', ID="X_19", classes=["center", "incident"])
central_line(model, X_1, X_19, 1, 19, incident=True)
X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", 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_9, X_46, 9, 46, incident=True)
X_35 = eval_trilinear_point(model, A, B, C, '1 + 2*cos(A)', ID="X_35", classes=["center", "incident"])
X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
central_line(model, X_35, X_37, 35, 37, incident=True)
return promote_point_to_top(model, X_1781)
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_1781 on the given reference triangle."""
model = create_model('X_1781 = MIMOSA TRANSFORM OF X_1214')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01781(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-01781.json"))
write_center_svg(
model_acute,
here / "x-01781.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)