| |
| """Per-batch detail figures — one clean stress-strain plot per batch, so the |
| individual specimen curves can actually be read (the "look deeper into one |
| batch" companion to the batch-cluster overview in 03_batch_clusters.py). |
| |
| One figure per SLS batch (plus the FormLabs PA12GF reference) per standard, |
| written to assets/batches/{standard}_{batch}.png (+ .pdf). Within a figure each |
| specimen gets its own color (tab10) and a legend entry keyed by sample_id, so a |
| batch's ~5-10 curves stay individually legible. |
| |
| Excluded (they have their own dedicated figures): PLA/PETG controls, the |
| FormLabs Nylon 12 White control, and Batch M's Type IV specimens. |
| """ |
| import matplotlib.pyplot as plt |
|
|
| from _lib import (BATCH_COLORS, BATCH_MATERIAL_LABEL, FILAMENT_CONTROLS, FORMLABS_COLOR, |
| NYLON_CONTROLS, OUT_DIR, ROOT, TYPE_IV_DEDICATED_BATCHES, TYPE_LINESTYLES, |
| load_standard, save_figure, style_axes) |
|
|
| BATCHES_DIR = OUT_DIR / "batches" |
|
|
|
|
| def group_key(row: dict) -> str | None: |
| """Same membership as the cluster overview: SLS batch label or the FormLabs |
| PA12GF reference; everything with its own figure is excluded — except a |
| Type IV batch NOT in TYPE_IV_DEDICATED_BATCHES (e.g. Nylon 11 Batches |
| O/P), which still gets a normal per-batch detail figure here rather than |
| Batch M's combined-figure treatment in 01_controls.py.""" |
| if row["material_class"] == "PA12GF_FL": |
| return "PA12GF_FL" |
| if row["material_class"] in FILAMENT_CONTROLS or row["material_class"] in NYLON_CONTROLS: |
| return None |
| if row["astm"].get("type") in TYPE_LINESTYLES and row["batch_label"] in TYPE_IV_DEDICATED_BATCHES: |
| return None |
| return row["batch_label"] or None |
|
|
|
|
| def specimen_label(row: dict) -> str: |
| return row.get("sample_id") or row["specimen_id"].split("/")[-1] |
|
|
|
|
| def specimen_sort_key(spec: dict): |
| """Order by sample_id numeric suffix (C1, C2, …) when present, else by the |
| fully-qualified specimen_id so ordering is at least stable.""" |
| sid = spec["row"].get("sample_id") |
| if sid: |
| digits = "".join(c for c in sid if c.isdigit()) |
| if digits: |
| return (0, int(digits)) |
| return (1, spec["row"]["specimen_id"]) |
|
|
|
|
| def group_title(standard: str, key: str, n: int) -> str: |
| test = {"D638": "tensile", "D790": "flexural"}.get(standard, "") |
| name = "FormLabs PA12GF" if key == "PA12GF_FL" else f"Batch {key}" |
| material_hint = BATCH_MATERIAL_LABEL.get(key) |
| if material_hint: |
| name += f" ({material_hint})" |
| return f"ASTM {standard} — {name} {test} ({n} specimen{'s' if n != 1 else ''})" |
|
|
|
|
| def render(standard: str, key: str, specs: list[dict]) -> None: |
| specs = sorted(specs, key=specimen_sort_key) |
| accent_color = FORMLABS_COLOR if key == "PA12GF_FL" else BATCH_COLORS.get(key, FORMLABS_COLOR) |
|
|
| fig, ax = plt.subplots(figsize=(8, 5.5)) |
| cmap = plt.get_cmap("tab10") |
| for i, s in enumerate(specs): |
| ax.plot(s["strain"], s["stress_mpa"], color=cmap(i % 10), linewidth=1.6, |
| alpha=0.9, zorder=3, label=specimen_label(s["row"])) |
|
|
| ax.set_xlabel("Strain (mm/mm)") |
| ax.set_ylabel("Stress (MPa)") |
| ax.set_title(group_title(standard, key, len(specs)), color=accent_color) |
| style_axes(ax) |
| ax.legend(loc="upper left", bbox_to_anchor=(1.02, 1.0), borderaxespad=0, title="Specimen") |
|
|
| out_path = save_figure(fig, BATCHES_DIR / f"{standard}_{key}") |
| plt.close(fig) |
| print(f"wrote {out_path.relative_to(ROOT)} ({len(specs)} curves)") |
|
|
|
|
| def plot_standard(standard: str) -> None: |
| specs = load_standard(standard) |
| groups: dict[str, list[dict]] = {} |
| for s in specs: |
| key = group_key(s["row"]) |
| if key is None: |
| continue |
| groups.setdefault(key, []).append(s) |
| for key, group in groups.items(): |
| render(standard, key, group) |
|
|
|
|
| if __name__ == "__main__": |
| plot_standard("D638") |
| plot_standard("D790") |
|
|
