X1883

ZOSMA TRANSFORM OF X595

< 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 { 10, 1828 }: Central Line L(10, 1828) { 12, 1877 }: Central Line L(12, 1877) { 1387, 1862 }: Central Line L(1387, 1862) { 1829, 1861 }: Central Line L(1829, 1861) { 1848, 1900 }: Central Line L(1848, 1900) 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_10 = SPIEKER CENTER (0.5204, 0.1833) X_1828 = ZOSMA TRANSFORM OF X(8) (0.6327, 0.4332) X_12 = {X(1),X(5)}-HARMONIC CONJUGATE OF X(11) (0.5641, 0.2407) X_1877 = ZOSMA TRANSFORM OF X(517) (0.6803, 0.6665) X_1387 = MIDPOINT OF INCENTER AND FEUERBACH POINT (0.6531, 0.1500) X_1862 = ZOSMA TRANSFORM OF X(244) (0.5569, 0.4523) X_1829 = ZOSMA TRANSFORM OF X(10) (0.6233, 0.4161) X_1861 = ZOSMA TRANSFORM OF X(238) (0.8061, 0.8443) X_1848 = ZOSMA TRANSFORM OF X(171) (0.6100, 0.3866) X_1900 = ZOSMA TRANSFORM OF X(1125) (0.6180, 0.4064) X_1883 = ZOSMA TRANSFORM OF X(595) (0.5918, 0.3424) A B C X2 X3 X4 X10 X1828 X12 X1877 X1387 X1862 X1829 X1861 X1848 X1900 X1883 (a, b, c) = (5, 6, 7) | AB = 1

X1883 (ZOSMA TRANSFORM OF X595) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1883 = ZOSMA TRANSFORM OF X_595."""

        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,
            intersect_lines,
            point_from_barycentrics,
            promote_point_to_top,
            spieker_center_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01883(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1883 = ZOSMA TRANSFORM OF X_595 on reference triangle ABC."""
            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"])
            X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center"])
            X_1828 = point_from_barycentrics(model, A, B, C, 0.087301587, 0.19047619, 0.72222222, ID="X_1828", classes=["center"])
            central_line(model, X_2, X_3, 2, 3)
            central_line(model, X_10, X_1828, 10, 1828)
            X_1883 = intersect_lines(model, X_2, X_3, X_10, X_1828, ID="X_1883", classes=["selected", "target"])
            X_12 = eval_trilinear_point(model, A, B, C, '1 + cos(B - C)', ID="X_12", classes=["center", "incident"])
            X_1877 = point_from_barycentrics(model, A, B, C, -0.11111111, 1.2901611e-16, 1.1111111, ID="X_1877", classes=["center", "incident"])
            central_line(model, X_12, X_1877, 12, 1877, incident=True)
            return promote_point_to_top(model, X_1883)


        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_1883 on the given reference triangle."""
            model = create_model('X_1883 = ZOSMA TRANSFORM OF X_595')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01883(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-01883.json"))
            write_center_svg(
                model_acute,
                here / "x-01883.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )