X1190¶
2nd SARAGOSSA POINT OF X55
X1190 (2nd SARAGOSSA POINT OF X55) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1190 = 2nd SARAGOSSA POINT OF X_55."""
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,
intersect_lines,
promote_point_to_top,
symmedian_point_of,
)
from geometor.etc.render import write_center_svg
def construct_x_01190(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1190 = 2nd SARAGOSSA POINT OF X_55 on reference triangle ABC."""
X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
X_57 = eval_trilinear_point(model, A, B, C, '1/(b + c - a)', ID="X_57", classes=["center"])
X_41 = eval_trilinear_point(model, A, B, C, 'a**(2)*(b + c - a)', ID="X_41", classes=["center"])
X_55 = eval_trilinear_point(model, A, B, C, 'a*(b + c - a)', ID="X_55", classes=["center"])
central_line(model, X_6, X_57, 6, 57)
central_line(model, X_41, X_55, 41, 55)
X_1190 = intersect_lines(model, X_6, X_57, X_41, X_55, ID="X_1190", classes=["selected", "target"])
X_165 = eval_trilinear_point(model, A, B, C, 'tan(B/2) + tan(C/2) - tan(A/2)', ID="X_165", classes=["center", "incident"])
X_218 = eval_trilinear_point(model, A, B, C, '((cos(A/2))**(2)*((cos(B/2))**(4) + (cos(C/2))**(4) - (cos(A/2))**(4)))', ID="X_218", classes=["center", "incident"])
central_line(model, X_165, X_218, 165, 218, incident=True)
return promote_point_to_top(model, X_1190)
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_1190 on the given reference triangle."""
model = create_model('X_1190 = 2nd SARAGOSSA POINT OF X_55')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01190(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-01190.json"))
write_center_svg(
model_acute,
here / "x-01190.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)