X3033¶
INTERSECTION X10X_116∩X43X_57
X3033 (INTERSECTION X10X_116∩X43X_57) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3033 = INTERSECTION X_10X_116∩X_43X_57."""
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,
spieker_center_of,
)
from geometor.etc.render import write_center_svg
def construct_x_03033(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3033 = INTERSECTION X_10X_116∩X_43X_57 on reference triangle ABC."""
X_3033 = eval_trilinear_point(model, A, B, C, 'a*((a**(2) - b*c)**(2)*(b + c)**(2) - (b**(3) - c**(3))**(2))', ID="X_3033", classes=["selected", "target"])
X_43 = eval_trilinear_point(model, A, B, C, 'a*b + a*c - b*c', ID="X_43", classes=["center", "incident"])
X_57 = eval_trilinear_point(model, A, B, C, '1/(b + c - a)', ID="X_57", classes=["center", "incident"])
central_line(model, X_43, X_57, 43, 57, incident=True)
X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
X_116 = eval_trilinear_point(model, A, B, C, 'b*c*((b - c)**(2)*(b**(2) + b*c + c**(2) - a*b - a*c))', ID="X_116", classes=["center", "incident"])
central_line(model, X_10, X_116, 10, 116, incident=True)
X_101 = eval_trilinear_point(model, A, B, C, 'a/(b - c)', ID="X_101", classes=["center", "incident"])
X_386 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) + c**(2) + b*c + c*a + a*b)', ID="X_386", classes=["center", "incident"])
central_line(model, X_101, X_386, 101, 386, incident=True)
return promote_point_to_top(model, X_3033)
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_3033 on the given reference triangle."""
model = create_model('X_3033 = INTERSECTION X_10X_116∩X_43X_57')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03033(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-03033.json"))
write_center_svg(
model_acute,
here / "x-03033.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)