|  | Name | Type | Identifier | Description | Constraints | 
|---|
| Input | Grid | Grid (input) | GRID | - | - | 
 | Mask (*) | Grid (optional input) | MASK | - | - | 
| Output | Closed Gaps Grid (*) | Grid (optional output) | CLOSED | - | - | 
| Options | Grid System | Grid system | PARAMETERS_GRID_SYSTEM | - | - | 
 | Only Process Gaps with Less Cells | Integer | MAXGAPCELLS | is ignored if set to zero | Minimum: 0 Default: 0
 | 
 | Maximum Points | Integer | MAXPOINTS | - | Minimum: 2 Default: 1000
 | 
 | Number of Points for Local Interpolation | Integer | LOCALPOINTS | - | Minimum: 2 Default: 20
 | 
 | Extended Neighourhood | Boolean | EXTENDED | - | Default: 0 | 
 | Neighbourhood | Choice | NEIGHBOURS | - | Available Choices: [0] Neumann
 [1] Moore
 Default: 0
 | 
 | Radius (Cells) | Integer | RADIUS | - | Minimum: 0 Default: 0
 | 
 | Relaxation | Floating point | RELAXATION | - | Minimum: 0.000000 Default: 0.000000
 | 
| (*) optional |