X1758¶
MIMOSA TRANSFORM OF X296
X1758 = crossdifference of PU(80)
X1758 (MIMOSA TRANSFORM OF X296) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1758 = MIMOSA TRANSFORM OF X_296."""
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,
circumcenter_of,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
incenter_of,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01758(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1758 = MIMOSA TRANSFORM OF X_296 on reference triangle ABC."""
X_1758 = eval_trilinear_point(model, A, B, C, '(a**(3) + b**(3) + c**(3) - 2*a**(2)*b - 2*a**(2)*c + a*b*c)/(b + c - a)', ID="X_1758", classes=["selected", "target"])
X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
central_line(model, X_1, X_3, 1, 3, incident=True)
X_108 = eval_trilinear_point(model, A, B, C, 'a/(sec(B) - sec(C))', ID="X_108", classes=["center", "incident"])
X_240 = eval_trilinear_point(model, A, B, C, 'sec(A)*cos(A + omega )', ID="X_240", classes=["center", "incident"])
central_line(model, X_108, X_240, 108, 240, incident=True)
X_226 = eval_trilinear_point(model, A, B, C, '(csc(A))*(cos(B) + cos(C))', ID="X_226", classes=["center", "incident"])
X_846 = eval_trilinear_point(model, A, B, C, '(- a**(2) + b**(2) + c**(2) + b*c + c*a + a*b)', ID="X_846", classes=["center", "incident"])
central_line(model, X_226, X_846, 226, 846, incident=True)
return promote_point_to_top(model, X_1758)
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_1758 on the given reference triangle."""
model = create_model('X_1758 = MIMOSA TRANSFORM OF X_296')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01758(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-01758.json"))
write_center_svg(
model_acute,
here / "x-01758.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)