X3670¶
X3293com(INTOUCH TRIANGLE)
X3670 (X3293com(INTOUCH TRIANGLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_3670 = X_3293com(INTOUCH TRIANGLE)."""
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,
circumcenter_of,
construct_baseline_triangle,
create_model,
eval_barycentric_point,
eval_trilinear_point,
incenter_of,
promote_point_to_top,
spieker_center_of,
)
from geometor.etc.render import write_center_svg
def construct_x_03670(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_3670 = X_3293com(INTOUCH TRIANGLE) on reference triangle ABC."""
X_3670 = eval_barycentric_point(model, A, B, C, '(a*(b**(3) + c**(3) + a*b**(2) + a*c**(2)))', ID="X_3670", classes=["selected", "target"])
X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
central_line(model, X_1, X_3, 1, 3, incident=True)
X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
X_38 = eval_trilinear_point(model, A, B, C, 'b**(2) + c**(2)', ID="X_38", classes=["center", "incident"])
central_line(model, X_10, X_38, 10, 38, incident=True)
X_79 = eval_trilinear_point(model, A, B, C, '1/(1 + 2*cos(A))', ID="X_79", classes=["center", "incident"])
X_256 = eval_trilinear_point(model, A, B, C, '1/(a**(2) + b*c)', ID="X_256", classes=["center", "incident"])
central_line(model, X_79, X_256, 79, 256, incident=True)
return promote_point_to_top(model, X_3670)
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_3670 on the given reference triangle."""
model = create_model('X_3670 = X_3293com(INTOUCH TRIANGLE)')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_03670(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-03670.json"))
write_center_svg(
model_acute,
here / "x-03670.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)