X1532

ORTHOJOIN OF X37

< A B C >: Reference Triangle △ABC [ A B ]: Sideline AB (Base c = 1) [ B C ]: Sideline BC (Side a) [ C A ]: Sideline CA (Side b) { 2, 3 }: Euler Line { 11, 515 }: Central Line L(11, 515) { 119, 517 }: Central Line L(119, 517) { 12, 946 }: Central Line L(12, 946) { 40, 1329 }: Central Line L(40, 1329) { 496, 944 }: Central Line L(496, 944) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2 = CENTROID (0.5374, 0.2000) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_4 = ORTHOCENTER (0.6122, 0.3958) X_11 = FEUERBACH POINT (0.7347, 0.0667) X_515 = ISOGONAL CONJUGATE OF X(102) (0.6804, 0.7691) X_119 = FEUERBACH ANTIPODE (0.3776, 0.4312) X_517 = ISOGONAL CONJUGATE OF X(104) (0.8180, 0.7154) X_12 = {X(1),X(5)}-HARMONIC CONJUGATE OF X(11) (0.5641, 0.2407) X_946 = MIDPOINT OF X(1) AND X(4) (0.5918, 0.3145) X_40 = BEVAN POINT (0.4286, -0.0292) X_1329 = COMPLEMENTARY CONJUGATE OF X(1) (0.4903, 0.1280) X_496 = {X(1),X(5)}-HARMONIC CONJUGATE OF X(495) (0.5843, 0.2201) X_944 = HOFSTADTER TRAPEZOID POINT (0.5306, 0.0708) X_1532 = ORTHOJOIN OF X(37) (1.2109, 1.9621) A B C X2 X3 X4 X11 X515 X119 X517 X12 X946 X40 X1329 X496 X944 X1532 (a, b, c) = (5, 6, 7) | AB = 1

X1532 (ORTHOJOIN OF X37) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1532 = ORTHOJOIN OF X_37."""

        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,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            feuerbach_point_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01532(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1532 = ORTHOJOIN OF X_37 on reference triangle ABC."""
            X_1532 = eval_trilinear_point(model, A, B, C, '(b*c*(2*a*b*c - (b + c)*(a - b + c)*(a + b - c))*(a*(b + c)*(a + b - c)*(a - b + c) - (a + b + c)*(a - b - c)*(b - c)**(2)))', ID="X_1532", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            central_line(model, X_2, X_3, 2, 3)
            X_11 = feuerbach_point_of(model, A, B, C, ID="X_11", classes=["center", "incident"])
            X_515 = eval_trilinear_point(model, A, B, C, '(b + c)*sec(A) - b*sec(B) - c*sec(C)', ID="X_515", classes=["center", "incident"])
            central_line(model, X_11, X_515, 11, 515, incident=True)
            X_119 = eval_trilinear_point(model, A, B, C, '(csc(A))*(-1 + cos(B) + cos(C))*(sin(2*B) + sin(2*C) + 2*(-1 + cos(A))*(sin(B) + sin(C)))', ID="X_119", classes=["center", "incident"])
            X_517 = eval_trilinear_point(model, A, B, C, '-1 + cos(B) + cos(C)', ID="X_517", classes=["center", "incident"])
            central_line(model, X_119, X_517, 119, 517, incident=True)
            return promote_point_to_top(model, X_1532)


        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_1532 on the given reference triangle."""
            model = create_model('X_1532 = ORTHOJOIN OF X_37')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01532(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-01532.json"))
            write_center_svg(
                model_acute,
                here / "x-01532.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )