Bulldozer Outputs

This page describes the different outputs generated by Bulldozer and how to interpret them.


Quick Navigation

Default outputs

Optional outputs

Developer outputs


Default outputs

DTM

DTM generated by bulldozer

DTM

Masks


Border_no_data

Binary mask flagging the nodata points on the edges.

Border nodata

Inner_no_data

Binary mask flagging the nodata points that aren't on the edges.

Inner nodata

Filled_pits

The DTM generated by Bulldozer may contain pits. Binary mask flagging pits filled by the fill pits process in Bulldozer.

Filled pits mask

Regular_mask

Binary mask flagging regular areas location in the provided DSM after a binary opening.

Regular mask

Logs

Log file, summarises the parameters and processes used.


Optional output

nDSM

Raster file, Digital Height Model (nDSM = DSM − DTM)

nDSM

Developer outputs

Raw_regular_mask

Binary mask flagging regular areas location in the provided DSM without any morphological operation (opening/closing).

Raw regular mask

Filling_dsm folder

This folder contains the DSMs generated at the various stages of the filling process


Filled_dsm

Allows you to fill in missing data in the MNS

  • Example of a DSM to be filled
DSM
  • Example of a filled DSM
Filled dsm

Dtm_second_pass

DTM before post-processing

DTM second pass

Notes

Tip

Always visually inspect both DTM and nDSM to validate results.

Warning

Output quality strongly depends on input DSM quality and parameter settings.