X625¶
MIDPOINT OF X623 AND X624
X625 (MIDPOINT OF X623 AND X624) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_625 = MIDPOINT OF X_623 AND X_624."""
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,
centroid_of,
complement,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
nine_point_center_of,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_00625(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_625 = MIDPOINT OF X_623 AND X_624 on reference triangle ABC."""
X_187 = eval_trilinear_point(model, A, B, C, 'a*(2*a**(2) - b**(2) - c**(2))', ID="X_187", classes=["center"])
X_625 = complement(model, A, B, C, X_187, ID="X_625", classes=["selected", "target"])
X_5 = nine_point_center_of(model, A, B, C, ID="X_5", classes=["center", "incident"])
X_141 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) + c**(2))', ID="X_141", classes=["center", "incident"])
central_line(model, X_5, X_141, 5, 141, incident=True)
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
central_line(model, X_2, X_187, 2, 187, incident=True)
X_115 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) - c**(2))**(2)', ID="X_115", classes=["center", "incident"])
X_325 = eval_trilinear_point(model, A, B, C, '(csc(A))**(2)', ID="X_325", classes=["center", "incident"])
central_line(model, X_115, X_325, 115, 325, incident=True)
return promote_point_to_top(model, X_625)
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_625 on the given reference triangle."""
model = create_model('X_625 = MIDPOINT OF X_623 AND X_624')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00625(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-00625.json"))
write_center_svg(
model_acute,
here / "x-00625.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)