The Japanese Buildings Set

for TTDPatch and OpenTTD
developed by TT-Forums members

Version 2.0 - March 2010


The Japanese Buldings Set is part of the Japan Set which consists of the following GRF files, available from the Japan Set homepage:

Installation and settings for TTD Patch

You will TTDPatch version 2.6 alpha 0 r1554 or later. For general information on how to use GRF files in TTDPatch, read the TTD Patch manual. The Japanese Buldings Set is available in a DOS version ("jpbuild2d.grf") and a Windows version ("jpbuild2w.grf"). Simply copy the grf file into the "newgrf" folder inside your TTD main folder and add the entry "newgrf/jpbuild2[d/w].grf" (with the "d" or "w" depending on whether you are using the DOS or Windows version of TTD) to your "newgrf[w].cfg" file.

Installation and settings for Open TTD

For general information on how to use GRF files in OpenTTD, read the OpenTTD manual. If you have downloaded the Japanese Buldings Set from the Japan Set homepage, simply copy the grf file into the "data" folder inside your OpenTTD folder. Alternatively, you can use OpenTTD's online content service, as described here. To use the Japanese Buldings Set in a new game, you only have to add it under NewGRF Settings on the title screen.

If you have an older version of the Japanese Buldings Set installed, removing the old file and adding the new one will make all your old savegames use the new version. (OpenTTD will display a warning upon opening such savegames though).

GRF parameters

Certain buildings will only appear in large or very large towns. The first parameter controls what is considered "large" or "very large".

If no value is given, the default is used. In TTDPatch, change the above entry in "newgrf[w].cfg" to "newgrf/jpsignals[d/w].grf x", where x is the value you want. In OpenTTD, select the Japanese Signals GRF in the NewGRF settings window, click "Set parameters" and enter x. (General information on how to use GRF parameters: in TTDPatch; in OpenTTD).

Important Note: For technical reasons, this setting is ignored during the generation of towns in the beginning of a game or in the scenario editor. In other words, buildings may appear in smaller towns when you start a new game, but new buildings built later on will follow the above rules.

Note: Whether a town is considered large or very large is only a matter of size and is independent of whether the town is a "city" in the definition of OpenTTD or has the largertowneffect enabled in TTDPatch. However, a city will usually reach the threshold much more quickly. Note also that a few historic buildings will only appear in cities.

Compatibility with other GRF files

The Japanese Buldings Set is designed to be used together with the other GRF files in the Japan Set listed above. However, it should be compatible with any other GRF file.

Known bugs

The fire engines in front of the fire station are sometimes not displayed correctly. Please report any other bugs in the release thread.


The Japanese Buldings Set was developed by an international team of members of the Transport Tycoon Forums (administered by Owen Rudge) and includes elements previously developed by others, in particular many building sprites from the Total Town Replacement Set. If you believe your work has been used and you are not properly credited, please post your concern in the development thread for immediate attention.
This set is entirely nonprofit, and permission is given to reproduce or redistribute it in its entirety according to the terms of the GNU Public Licence.

Credit in this document is generally given by Forum usernames, except as requested otherwise. Forum usernames are those in use by the named people on on 7 June 2009.

Co-ordination and administration was handled by krtaylor.
Development hosting space was provided by Advanced Systems & Software Technologies.

Graphics by Sanchimaru, Zimmlock, George,, Oz, Red*Star, Purno, Pikkabird, and Dandan

Coding and compilation of version 2.0 were carried out by Dandan; coding and compilation of all previous versions by Aegir.


This set is licensed under the GNU Public Licence. As such, it may be freely distributed and modified as long as it remains under this license.
If you wish to use any part of this set in another set, you may of course do so, but we would be very grateful if you asked the artist concerned for permission, which will probably be granted.

The Japanese Buldings Set for TTDPatch
Copyright 2004-2008 by certain members of the Transport Tycoon Forums (named above)

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

If you wish to contact the developers, please use the TT-Forums.

Related Links

Japan Set homepage
Transport Tycoon Forums
Japan Set Development thread (please do not post bugs here)
Japan Set Release thread (please do post bugs here)

TTDPatch site
OpenTTD site