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nan 076a8c90f1 Add specifications for two-times upscale and unified depth plane features

- Introduced the two-times upscale specification detailing requirements for unified output, fixed model presets, arbitrary dimensions, and consistent job behavior.
- Added scenarios for existing models, repeated upscale, and handling of alpha preservation.
- Created the unified depth plane specification outlining geometry modes, stable interface, and asset evaluation.
- Defined scenarios for mode switching, relief and camera preservation, and validation of delivered assets.

2026-09-17 17:19:05 +08:00

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panorama-geometry-generation Specification

Purpose

TBD - created by archiving change add-panorama-conversion. Update Purpose after archive.

Requirements

Requirement: Generate panoramic radial distance

Server SHALL 从当前 RGBA 全景生成 12 个重叠的 90 度透视视图，使用已知 FOV 恢复 MoGe2 几何并融合为横向周期的径向距离场。

Scenario: Continuous panorama

WHEN 输入包含跨越 U=0/1 的连续表面
THEN 两侧使用同一周期求解，产出有限正距离且无额外拼接断层

Scenario: Invalid views and cancellation

WHEN 部分视图全透明或模型无有效预测
THEN 利用其余有效观测完成融合，全局无有效几何时返回明确错误，并在视图与融合阶段响应取消

Requirement: Export combined depth alpha

系统 SHALL 返回颜色文件、depth.exr 与 depth.json。深度 RGB 保存径向距离，Alpha 在导出时一次合成融合 Mask × 源 Alpha；元数据 SHALL 标明等距柱状投影、深度图尺寸和参考距离。

Scenario: Transparent background

WHEN 源图某区域 Alpha 为零
THEN 该区域深度 EXR Alpha 为零，颜色文件保留源 Alpha

Scenario: Fractional alpha

WHEN 有效模型 Mask 为 1 且源 Alpha 为 0.5
THEN 深度导出 Alpha 为 0.5，几何端直接消费该值

Requirement: Use managed production runtime

全景生成 SHALL 使用现有模型会话、Preferences 配置和 Job 生命周期；Job 参数可序列化，Server 与 Blender 数据保持进程边界。

Scenario: Configured inference

WHEN 用户修改模型或推理分辨率级别后发起转换
THEN 新任务采用配置值，最终网格细分仍由独立 Subdivide 参数控制

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