|   | Name | Type | Identifier | Description | Constraints | 
| Input | Grid | grid, input | GRID | - | - | 
| Shapes | shapes, input | SHAPES | - | - | 
| Output | DGM1 | data object Grid, output, optional | RESULT | - | - | 
| Options | Local Tiles Directory | file path | TILES | Download location for tiles. If requested tile is already present download will be skipped. | - | 
| Extent | choice | EXTENT | - | Available Choices:
[0] user defined
[1] shapes extent
[2] grid system extent
[3] grid system
Default: 0 | 
| Grid System | grid system | GRID_SYSTEM | - | - | 
| West | floating point number | XMIN | - | Default: 0.000000 | 
| East | floating point number | XMAX | - | Default: 1000.000000 | 
| South | floating point number | YMIN | - | Default: 0.000000 | 
| North | floating point number | YMAX | - | Default: 1000.000000 | 
| Columns | integer number | NX | - | Minimum: 1
Default: 1001 | 
| Rows | integer number | NY | - | Minimum: 1
Default: 1001 | 
| Buffer | floating point number | BUFFER | add buffer (map units) to extent | Minimum: 0.000000
Default: 0.000000 | 
| Cellsize | floating point number | CELLSIZE | - | Minimum: 0.100000
Default: 1.000000 | 
| Coordinate System Definition | text | CRS_STRING | Supported formats comprise PROJ and WKT strings, object codes (e.g. "EPSG:4326"). | - | 
| Data Set | choice | DATASET | Download Digital Terrain Model (DGM) or Digital Surface Model (DOM) | Available Choices:
[0] DGM
[1] DOM
Default: 0 |