X3252¶
INTERSECTION OF X7X_192 AND X37X_513
X3252 (INTERSECTION OF X7X_192 AND X37X_513) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3252 = INTERSECTION OF X_7X_192 AND X_37X_513."""
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,
gergonne_point_of,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_03252(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3252 = INTERSECTION OF X_7X_192 AND X_37X_513 on reference triangle ABC."""
X_292 = eval_trilinear_point(model, A, B, C, 'a/(a**(2) - b*c)', ID="X_292", classes=["center"])
X_672 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) + c**(2) - a*(b + c))', ID="X_672", classes=["center"])
X_3252 = ceva_conjugate(model, A, B, C, X_292, X_672, ID="X_3252", classes=["selected", "target"])
X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center", "incident"])
X_192 = eval_trilinear_point(model, A, B, C, 'b*c*(c*a + a*b - b*c)', ID="X_192", classes=["center", "incident"])
central_line(model, X_7, X_192, 7, 192, incident=True)
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
central_line(model, X_6, X_292, 6, 292, incident=True)
X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
X_513 = eval_trilinear_point(model, A, B, C, 'b - c', ID="X_513", classes=["center", "incident"])
central_line(model, X_37, X_513, 37, 513, incident=True)
return promote_point_to_top(model, X_3252)
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_3252 on the given reference triangle."""
model = create_model('X_3252 = INTERSECTION OF X_7X_192 AND X_37X_513')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03252(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-03252.json"))
write_center_svg(
model_acute,
here / "x-03252.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)