X1195¶
3rd SARAGOSSA POINT OF X19
X1195 (3rd SARAGOSSA POINT OF X19) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1195 = 3rd SARAGOSSA POINT OF X_19."""
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,
crosspoint,
eval_trilinear_point,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01195(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1195 = 3rd SARAGOSSA POINT OF X_19 on reference triangle ABC."""
X_19 = eval_trilinear_point(model, A, B, C, 'tan(A)', ID="X_19", classes=["center"])
X_284 = eval_trilinear_point(model, A, B, C, '(sin(A))/(cos(B) + cos(C))', ID="X_284", classes=["center"])
X_1195 = crosspoint(model, A, B, C, X_19, X_284, ID="X_1195", classes=["selected", "target"])
X_41 = eval_trilinear_point(model, A, B, C, 'a**(2)*(b + c - a)', ID="X_41", classes=["center", "incident"])
X_71 = eval_trilinear_point(model, A, B, C, '(b + c)*cos(A)', ID="X_71", classes=["center", "incident"])
central_line(model, X_41, X_71, 41, 71, incident=True)
X_43 = eval_trilinear_point(model, A, B, C, 'a*b + a*c - b*c', ID="X_43", classes=["center", "incident"])
X_165 = eval_trilinear_point(model, A, B, C, 'tan(B/2) + tan(C/2) - tan(A/2)', ID="X_165", classes=["center", "incident"])
central_line(model, X_43, X_165, 43, 165, incident=True)
X_208 = eval_trilinear_point(model, A, B, C, '((1 - sec(A))*(cos(B) + cos(C) - cos(A) - 1))', ID="X_208", classes=["center", "incident"])
central_line(model, X_19, X_208, 19, 208, incident=True)
return promote_point_to_top(model, X_1195)
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_1195 on the given reference triangle."""
model = create_model('X_1195 = 3rd SARAGOSSA POINT OF X_19')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01195(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-01195.json"))
write_center_svg(
model_acute,
here / "x-01195.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)