Help - remove building and replace with black tile GRF

[harte beest]

Hello, is it possible to remove building and replace with black tile? But the map still the same? For example this one:

Spoiler

Sorry, I'm new with GRF editing.

 

Thank you!

[Akkarin]

You would need to open the map with browedit, select the castle model and delete it, then use the black tile and put it wherever the building was.

There are plenty of guides on the forums and around the web on how to use browedit.