X1996¶
ORTHOCORRESPONDENT OF X7
X1996 (ORTHOCORRESPONDENT OF X7) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_1996 = ORTHOCORRESPONDENT OF X_7."""
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,
construct_baseline_triangle,
create_model,
eval_trilinear_point,
feuerbach_point_of,
gergonne_point_of,
intersect_lines,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_01996(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_1996 = ORTHOCORRESPONDENT OF X_7 on reference triangle ABC."""
X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center"])
X_11 = feuerbach_point_of(model, A, B, C, ID="X_11", classes=["center"])
X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
X_85 = eval_trilinear_point(model, A, B, C, 'b**(2)*c**(2)/(b + c - a)', ID="X_85", classes=["center"])
central_line(model, X_7, X_11, 7, 11)
central_line(model, X_2, X_85, 2, 85)
X_1996 = intersect_lines(model, X_7, X_11, X_2, X_85, ID="X_1996", classes=["selected", "target"])
return promote_point_to_top(model, X_1996)
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_1996 on the given reference triangle."""
model = create_model('X_1996 = ORTHOCORRESPONDENT OF X_7')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_01996(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-01996.json"))
write_center_svg(
model_acute,
here / "x-01996.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)