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Editing 40d:Flood
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{{quality|Masterwork|12:46, 22 August 2010 (UTC)}}{{av}} | {{quality|Masterwork|12:46, 22 August 2010 (UTC)}}{{av}} | ||
| − | Flooding generally refers to water getting loose and spreading out over an area, usually in an unregulated fashion. While this can be useful in creating plots of muddy ground for | + | Flooding generally refers to water getting loose and spreading out over an area, usually in an unregulated fashion. While this can be useful in creating plots of muddy ground for {{L|farming}}, deliberately setting any amount of water loose in an area is risky at best, and at worst, will result in lots of {{L|fun#Flooding_accidents|fun}}. |
| − | As in real life, water will seek to spread out given open space. In Dwarf Fortress, this means that water will spread until all tiles achieve a depth of 1/7, or it fills the space it is enclosed in. Water at a depth of 1/7 will eventually evaporate, leaving behind a muddy floor. Because of this, it would be nearly impossible to ruin a fortress with water from finite sources such as a | + | As in real life, water will seek to spread out given open space. In Dwarf Fortress, this means that water will spread until all tiles achieve a depth of 1/7, or it fills the space it is enclosed in. Water at a depth of 1/7 will eventually evaporate, leaving behind a muddy floor. Because of this, it would be nearly impossible to ruin a fortress with water from finite sources such as a {{L|murky pool}}. Note, however, that {{L|river}}s, {{L|brook}}s, and {{L|ocean}}s are considered to have offscreen water sources; their supply has been observed to be infinite, as has that of {{L|aquifer}}s. Tapping into one of these without some means of regulating the flow is almost certain to result in {{L|fun#Flooding_accidents|fun}}. |
Water movement is a major source of lag in the game. | Water movement is a major source of lag in the game. | ||
| − | Flood speed is counterintuitive. For example, if you build a ramp beneath the bottom of an | + | Flood speed is counterintuitive. For example, if you build a ramp beneath the bottom of an {{L|underground pool}} connected to a large drainage shaft leading to a chasm, all the water in the upper levels of the pool will drain down into the drainage shaft leading all the way out into the chasm, filling it all nearly instantly 7/7 with water and submerging your hapless dwarves however far away in the shaft they may be. But once the space is filled, the flood slows down to the glacial pace at which water usually moves down tunnels, giving them plenty of time to drown. |
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So all your friends on the forums are recounting tales of the fortresses they've flooded, and you're feeling left out. Fret no more! In a few simple steps, you too can join the ranks of the hydrologically challenged. | So all your friends on the forums are recounting tales of the fortresses they've flooded, and you're feeling left out. Fret no more! In a few simple steps, you too can join the ranks of the hydrologically challenged. | ||
| − | The key is to tap into a renewable source of water, such as a river, and use its water | + | The key is to tap into a renewable source of water, such as a river, and use its water {{L|pressure}} to overcome obstacles like distance or altitude. Remember that water always "wants" to rise back up to 1 {{L|Z-axis|Z-level}} below from which it originated! |
Side view: | Side view: | ||
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| − | If some of the levels that you need to flood are higher than the surface of the river, you can use | + | If some of the levels that you need to flood are higher than the surface of the river, you can use {{L|screw pump}}s to compensate. |
▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ | ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ | ||
pumps--> %%_ ▒▒▒▒▒▒▒o <--well ▒▒▒▒▒▒▒▒▒▒ (well is optional) | pumps--> %%_ ▒▒▒▒▒▒▒o <--well ▒▒▒▒▒▒▒▒▒▒ (well is optional) | ||
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▒▒▒▒▒▒▒▒▒▒ channel ▒▒▒ ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ | ▒▒▒▒▒▒▒▒▒▒ channel ▒▒▒ ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ | ||
▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ your fortress ▒ | ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ your fortress ▒ | ||
| − | In this failed flooding attempt, the water moves through the channel but only rises to the level immediately ''below'' the well. This means that the well will be usable and the fortress remains safe and dry. If you were to | + | In this failed flooding attempt, the water moves through the channel but only rises to the level immediately ''below'' the well. This means that the well will be usable and the fortress remains safe and dry. If you were to {{L|dam}} the river, however, this method would be successful. Be warned that {{L|ice|freezing water}} and everything else disconnecting the water from the end of the river but not from the source will have the same effect. |
==== Re-pressurization with pumps ==== | ==== Re-pressurization with pumps ==== | ||