# Mask Batch Math Ops **Node Function:** The `Mask Batch Math Ops` node supports unified OR and AND operations on batch masks, merging multiple masks into a single mask. ## Inputs | Parameter Name | Input Selection | Data Type | Default Value | Value Range | Description | | -------------- | --------------- | --------- | ------------- | ----------- | ----------- | | `mask` | Required | MASK | - | - | Input mask batch | | `operation` | - | COMBO[STRING] | or | or, and | Batch operation type | ## Outputs | Output Name | Data Type | Description | |-------------|-----------|-------------| | `mask` | MASK | Single mask after batch operation | ## Function Description ### Batch Operation Types #### OR Operation - **Function**: Performs logical OR operation on all masks - **Effect**: Merges all mask regions, takes maximum value - **Usage**: Creates union mask containing all input regions #### AND Operation - **Function**: Performs logical AND operation on all masks - **Effect**: Only preserves regions covered by all masks, takes minimum value - **Usage**: Creates intersection mask of all input regions