OCuLink Riser for the Supermicro AIOM Slot

@@ -1,76 +0,0 @@-#!/usr/bin/env python3-"""Render and clearance-check the routing plan (container side, before KiCad)."""-import sys, os, json, math-sys.path.insert(0, os.path.dirname(__file__))-import matplotlib-matplotlib.use("Agg")-import matplotlib.pyplot as plt-from shapely.geometry import LineString, Point-from shapely.strtree import STRtree--COL = {"L1": "#d62728", "L3": "#2ca02c", "L5": "#1f77b4", "L6": "#9467bd"}---def shapes(tracks, vias):-    """list of (layerset, net, geom)"""-    out = []-    for (lay, net, x1, y1, x2, y2, w) in tracks:-        out.append(({lay}, net, LineString([(x1, y1), (x2, y2)]).buffer(w / 2, cap_style=1), ("t", lay, x1, y1, x2, y2)))-    for (x, y, net, d, h) in vias:-        out.append(({"L1", "L3", "L5", "L6"}, net, Point(x, y).buffer(d / 2), ("v", x, y)))-    return out---def clearance(items, clr=0.15, extra=()):-    geoms = [g for (_, _, g, _) in items]-    tree = STRtree(geoms)-    bad = []-    for i, (ls, net, g, tag) in enumerate(items):-        for j in tree.query(g.buffer(clr)):-            if j <= i:-                continue-            ls2, net2, g2, tag2 = items[j]-            if net2 == net or not (ls & ls2):-                continue-            dd = g.distance(g2)-            if dd < clr - 1e-6:-                bad.append((round(dd, 3), net, net2, sorted(ls & ls2)[0], tag[:4], tag2[:4]))-    return bad---def render(tracks, vias, path, outline=None, extra_polys=(), xlim=(0, 76), ylim=(115, 0), layers=("L1", "L3", "L5", "L6"), dpi=110):-    fig, ax = plt.subplots(figsize=(8, 12))-    if outline:-        xs, ys = zip(*outline)-        ax.plot(xs, ys, "k-", lw=0.6)-    for (lay, net, x1, y1, x2, y2, w) in tracks:-        if lay in layers:-            ax.plot([x1, x2], [y1, y2], "-", color=COL[lay], lw=max(0.3, w * 3), solid_capstyle="round", alpha=0.85)-    for (x, y, net, d, h) in vias:-        ax.add_patch(plt.Circle((x, y), d / 2, color="#444", lw=0, alpha=0.8))-    for poly, c in extra_polys:-        xs, ys = zip(*poly)-        ax.fill(xs, ys, color=c, alpha=0.35, lw=0)-    ax.set_xlim(*xlim); ax.set_ylim(*ylim); ax.set_aspect("equal")-    ax.grid(True, lw=0.2)-    fig.savefig(path, dpi=dpi, bbox_inches="tight")-    plt.close(fig)---if __name__ == "__main__":-    import hs-    pairs, lines = hs.all_routes()-    T = [t for p in pairs + lines for t in p.tracks]-    V = [v for p in pairs + lines for v in p.vias]-    bad = clearance(shapes(T, V), 0.15)-    print(len(bad), "clearance violations")-    for b in bad[:40]:-        print(b)-    os.makedirs("../design/plots", exist_ok=True)-    render(T, V, "../design/plots/hs_all.png")-    for k in range(4):-        cx = hs.CX[k]-        render(T, V, f"../design/plots/hs_port{k}_top.png", xlim=(cx - 9, cx + 9), ylim=(22, 2), dpi=160)-    render(T, V, "../design/plots/hs_fan.png", xlim=(15, 75), ylim=(113, 86), dpi=150)-    render(T, V, "../design/plots/hs_tune.png", xlim=(10, 76), ylim=(80, 34), dpi=150)-    render(T, V, "../design/plots/hs_bus.png", xlim=(5, 76), ylim=(110, 76), dpi=150)