import sys, json, rhino3dm, math
m = rhino3dm.File3dm.Read(sys.argv[1])
L = {i: l.Name for i, l in enumerate(m.Layers)}
centre = {}
for d in m.InstanceDefinitions:
    xs, ys = [], []
    for oid in d.GetObjectIds():
        ob = m.Objects.FindId(oid)
        if ob is None: continue
        try:
            b = ob.Geometry.GetBoundingBox(); xs += [b.Min.X, b.Max.X]; ys += [b.Min.Y, b.Max.Y]
        except Exception: pass
    if xs: centre[str(d.Id)] = ((min(xs) + max(xs)) / 2, (min(ys) + max(ys)) / 2, (max(xs) - min(xs)), (max(ys) - min(ys)))
out = []
for o in m.Objects:
    g = o.Geometry
    if not isinstance(g, rhino3dm.InstanceReference): continue
    ln = L.get(o.Attributes.LayerIndex, "")
    c = centre.get(str(g.ParentIdefId))
    if not c: continue
    x = g.Xform
    wx = x.M00 * c[0] + x.M01 * c[1] + x.M03
    wy = x.M10 * c[0] + x.M11 * c[1] + x.M13
    sc = math.hypot(x.M00, x.M10)
    out.append({"l": ln, "x": round(wx / 100, 3), "y": round(wy / 100, 3), "r": round(max(c[2], c[3]) * sc / 200, 3)})
json.dump(out, open(sys.argv[2], "w"))
import collections
print(len(out), collections.Counter(o["l"] for o in out).most_common(8))
for l in ["Ishigami's fruit tree's 1", "ishigami foret", "PERSOS"]:
    a = [o for o in out if o["l"] == l]
    xs = [o["x"] for o in a]; ys = [o["y"] for o in a]; rs = sorted(o["r"] for o in a)
    print(l, "x %.0f..%.0f y %.0f..%.0f rayon médian %.2f m" % (min(xs), max(xs), min(ys), max(ys), rs[len(rs)//2]))