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Three different technology levels - fords, stone bridges and concrete bridges - for any span of water

Three different technology levels - dirt moats, stone paved moats and concrete moats

Cross water easily and safely with draw bridges that drop as you approach - on foot, or in a vehicle

But lets not forget the trains - a bridge that only trains can cross

Prefabricate terraforming packages in your main factory where the materials are:

Then use them in the terraformers for unattended operation over long runs & precise control over the number of squares terraformed

Attack of the killer robots ... delivering materials as long as the machine stays in logistics range of a roboport.
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Sadly, the personal roboport doesn't support logistics robots

A new technology discovery has allowed the development of heavy terrraforming machines. Place them down, load them with the ingredients and watch them slowly inch their way across the landscape ... until they run out of materials or fill up with empty barrels. Keep those speed modules handy if you're in a hurry. These machines are talkative - complaining if not placed right, whinging if they collide with something important and gloating when the job is done - sorry about that, it's a fault in the programming.

Turn on detailed info with ALT or select the machine, and it shows an arrow (stolen from the liquid connection graphics) at the centre of the face it works on -the squares affected are the ones immediately in front of that. When working with water, remember that the last grass square is the "half grass, half water" graphic. The bridge builder moves forward over the bridge it is building, and the moat digger moves backwards away from the moat it is digging. You can stop the machines at any time, rotate them, reposition them etc to get any shape you want.

The moat digger works in any terrain but won't damage your placed entities, resources, players, enemies or enemy bases
To mine through unimportant resources, just place the moat digger directly facing a resource (or rotated to face it) - perfect for cutting through stone or superfluous coal. Just mine it & repeat or rotate it again to cut through multiple types of resources[/color]

Oh, and when your factory needs to expand, just fill in the moat with the bridge builder ford recipe and make a new one. Or perhaps in the other order if you don't want unfriendly visitors.

Fully multi-player compatible and tested and supports robot construction / deconstruction

The machines currently use and abuse the chemical factory graphics - updated graphics are a work in progress.
(Anyone willing to assist, please contact me ... graphics is *not* my strong suit)

Built to minimise performance overheads - tick handlers are only registered when machines are actually in use.
Railway bridges are even free, using only vanilla Factorio code once they are placed.
The mod can be removed from a world with no issues leaving the terraforming behind ... except that the drawbridges will no longer cover the moat

Who says the natives are a problem?

Version 0.13.1

• Upgrade to support version 0.13 syntax and add to mod repository
• Avoid halting the game when multiple terraformers are running
  (Only use the message dialog to "talk" when there is only one player and only 1 active terraformer)

Version 0.12.4

• Fix bug where the non-logistic moat digger and bridge builder machines with multiple fuel slots don't work properly when using a recipe that includes a burnable ingredient
• Logistics terraformers now run on coal or solid fuel. They request coal by default - simply open the machine and load in the desired fuel to change what it requests. Note that every operation takes at least one fuel though, so solid fuel does not last any longer than coal!

Version 0.12.3

• Added prefabrication plant and recipes to allow ingredients to be combined into a single package that stacks to 100
• Added new logistics-enabled versions of the bridge builder and moat digger to allow robots to bring supplies & take away byproducts
• Added new prefabrication and logistic technology levels as separate branches beyond terraforming-3
• Changed concrete moat recipe to return the empty barrel (now that the range on one fill has been improved)
• Increased basic bridge-builder and moat-digger to two fuel slots to improve range
• Fixed bug where mining a terraformer fails when your inventory is full caused a registry problem
• Fixed bug where placing a bridge builder 2 to spaces from water caused it to start & immediately stop
• Fixed bug where a unnoticed syntax change caused a syntax error when a moat digger placed directly on a resource
• Improved handling of rotation of bridge builder to correctly start/stop based on facing to water
• Increased technolgy image resolution to 128 x 128
• Add new item subgroups for logistic machines & prefabricated packages
• Modified machine images to have transparent backgrounds to fit better with the improved base graphics
• Added config.lua file to allow some difficulty settings to be easily changed
• Added remote interface to allow presence & version to be detected