{"schemaVersion":1,"profile":"logistics-opaque-height-v1","pixelsPerCell":128,"components":[{"id":"grid_belt_01_mid","name":"传送带直段","spatial":"grid_belt_01_mid/top/spatial.json","occlusion":"grid_belt_01_mid/top/occlusion/occlusion.json"},{"id":"grid_belt_01_left","name":"传送带左弯","spatial":"grid_belt_01_left/top/spatial.json","occlusion":"grid_belt_01_left/top/occlusion/occlusion.json"},{"id":"grid_belt_01_right","name":"传送带右弯","spatial":"grid_belt_01_right/top/spatial.json","occlusion":"grid_belt_01_right/top/occlusion/occlusion.json"},{"id":"log_pipe_02_mid","name":"管道与可染色流体","spatial":"log_pipe_02_mid/top/spatial.json","occlusion":"log_pipe_02_mid/top/occlusion/occlusion.json"},{"id":"pipesupport_1_03","name":"管道直向支架","spatial":"pipesupport_1_03/top/spatial.json","occlusion":"pipesupport_1_03/top/occlusion/occlusion.json"},{"id":"pipesupport_1_04","name":"管道转角支架","spatial":"pipesupport_1_04/top/spatial.json","occlusion":"pipesupport_1_04/top/occlusion/occlusion.json"}],"usage":{"language":"zh-CN","load":"所有路径相对各自 JSON。components 列出空间元数据及高度元数据，occlusion.fields.file 为无损高度 WebP。","decode":"q = 256 * R + G; localY = heightMin + q / 65535 * (heightMax - heightMin)。R/G 为 0..255 字节；A=0 为空，A=255 为有效表面。","sampling":"线性数值数据，最近邻采样，不生成 mipmap，不做 sRGB 转换或有损重编码。","placement":"按 spatial 的 pivotPixels 与 pixelsPerCell 对齐颜色画布；世界高度为放置 baseY + localY，重叠实体取最大有效高度。","state":"按 stateMapping 选高度字段。裸直管为 null；带支架直管用 straightWithSupport，左右弯用 left/right。透明管壁及流体不写入实体高度。","assembly":"管道字段已烘焙 sourceAssembly 的支架平移和旋转，放置时只再应用整段变换。支架装配高度沿用现有近似值。"},"textureProfile":{"id":"grid-textures-v1","pixelsPerCell":64,"logicalPixelsPerCell":128,"resolution":0.5,"coordinates":"logical pixels; physicalRect and image dimensions are physical pixels","colorFilter":"premultiplied-alpha 2x2 box","dataFilter":"nearest packed height/flow coordinates; channel box continuous fields"}}