Surface Flatten
Function Description:Flattening the Gaussian model, e.g., flattening the concave and convex water body parts
Step
- Click Surface Flatten
activate the function and the flattening toolbar appears in the Gaussian window.

Button Description:
Surface Mode: Activation will only select the data closest to the viewport.
Rectangle: Select a rectangular area.
Polygon: Select a polygonal area.
Lasso: Drag to select an irregular area.
Flatten:Flatten the selected Gaussian data.
Restore:Roll back previous deletions up to 5 times, can't roll back after saving.
Save: Saves the delete operation to the current file.
Save As: Saves the deleted data to another location. If you exit the function, the data will be restored to the last saved state.
If the current data is lod chunked data, the chunked data is loaded with the reference Delete Splat .
Selects the data to be flattened and fills in the lowest height of the selected data if the horizontal height is not set.

- Click
FlattenFlatten the selected data, at this point you can repeatedly enter the appropriate value in the input box and press enter to adjust the Gaussian data that is still in the selected state to the appropriate position.

- Click
Save write data to file.
- Click
Exit.