P47: ALEMBIC CACHE PIPELINE

ID: P47 | Кластер: Pipeline | Сложность: ⭐⭐ | Теги: #alembic #cache #abc #simulation #render-farm #pipeline

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🎯 ЦЕЛЬ

Кэширование анимации/симуляций в Alembic: экспорт, velocity blur, импорт на ферме

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📝 ПРОМПТ (РУС)

Запеки Alembic "[OBJECTS]" кадры [A-B]: flatten, subsamples [N],
UV/normals ON. Проверь размер файла и motion blur.

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📝 ПРОМПТ (ENG)

Bake Alembic "[OBJECTS]" frames [A-B]: flatten, subsamples [N],
UVs/normals ON. Verify file size and motion blur.

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🔧 MCP: execute_blender_code

import bpy

def export_alembic(objects, filepath, start=1, end=250, subsamples=4):
    bpy.ops.object.select_all(action='DESELECT')
    for o in objects:
        bpy.data.objects.get(o).select_set(True)
    bpy.ops.wm.alembic_export(
        filepath=filepath, selected=True,
        start=start, end=end, flatten=True, subsamples=subsamples,
        write_uvs=True, write_normals=True, write_vertex_colors=True,
        export_subdivision=True)
    import os
    size_mb = os.path.getsize(filepath) / 1024 / 1024
    return {"alembic": filepath, "mb": round(size_mb, 1)}

def import_alembic(filepath, as_background_job=False):
    bpy.ops.wm.alembic_import(
        filepath=filepath, as_background_job=as_background_job)
    return {"imported": filepath}

# export_alembic(["Cloth_Shirt", "Hero_Body"], "//cache/shot_010.abc", 1, 120)

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📊 ПАРАМЕТРЫ

Параметр	Значение
Flatten	ON (чистая иерархия для фермы)
Subsamples	4 (motion blur), 1 (статика)
UVs/Normals	ON (иначе shading сломан)
Velocities	ON для motion blur

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🔗 СВЯЗИ

• Прочие в категории «Промпты»: P22: PARTICLE SYSTEMS, P21: PHYSICS SIMULATION, P29: BATCH PROCESSING & CLI, P49: RENDER FARM SUBMIT, P14: CAMERA & COMPOSITION
• По темам: CASE 03: PRODUCT VISUALIZATION, CASE 05: PROCEDURAL CITY, CASE 07: STYLIZED BARREL (HAND-PAINT), CASE 08: SCI-FI CORRIDOR MODULAR
• Теги: #alembic, #cache, #pipeline, #prompt, #render, #render-farm, #simulation