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Editing 40d:Water flow
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− | + | '''Water flow''' is an informal term used occasionally by players to denote the ability of specific water tiles to power a [[Water_wheel|waterwheel]]. The direction of the flow doesn't matter for purposes of powering a wheel - if it's there, it's there. | |
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− | '''Water flow''' is an informal term used occasionally by players to denote the ability of specific water tiles to power a [[ | ||
While there obviously is a game feature at work, the mechanics are not ''completely'' understood at present. It's a bit of a black box - we know some of what happens, what will work and what won't, but not always why. | While there obviously is a game feature at work, the mechanics are not ''completely'' understood at present. It's a bit of a black box - we know some of what happens, what will work and what won't, but not always why. | ||
− | The simplest way to see if water is flowing is to watch for it to blink from ~ to ≈ while the game is not paused. Water blinking between ~ and ≈ is flowing | + | The simplest way to see if water is flowing is to watch for it to blink from ~ to ≈ while the game is not paused. Water blinking between ~ and ≈ is flowing. If you see numbers instead you may want to set SHOW_FLOW_AMOUNTS to NO in your [[init.txt]] file. Alternatively, you can just build a [[water wheel]] and see if it turns, which again is indicated by blinking. |
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__TOC__ | __TOC__ | ||
===Natural flow=== | ===Natural flow=== | ||
− | + | Rivers and brooks always have flow. Brooks require that you channel down through the surface to place a wheel, but the flow is there. With natural flow every single tile of a body of water will be constantly flowing. Natural flowing water behaves very differently from artificially created flow. | |
====Channeling from a Natural Source==== | ====Channeling from a Natural Source==== | ||
Channeling out new area from a flowing river or brook does generate flowing water at the same [[Z-level]]. It is worth mentioning that when this channel is first connected it is quite likely that you will see it fill fully to 7/7 and stop flowing for a period of time. After some time passes (a season or so) the channel will suddenly start flowing like a natural source. The shape of this channel does not really matter. Natural sources of water will flow quite happily in a dead end on the far end of the map. Another oddity with natural flow is that a closed floodgate will not stop the flow. Diagonals also have no real effect on water flow although they do have use as a means for controlling [[Water_pressure#Diagonal_Flow|water pressure]]. Moving naturally flowing water to a different z-level has somewhat unpredictable effects. More research is needed. | Channeling out new area from a flowing river or brook does generate flowing water at the same [[Z-level]]. It is worth mentioning that when this channel is first connected it is quite likely that you will see it fill fully to 7/7 and stop flowing for a period of time. After some time passes (a season or so) the channel will suddenly start flowing like a natural source. The shape of this channel does not really matter. Natural sources of water will flow quite happily in a dead end on the far end of the map. Another oddity with natural flow is that a closed floodgate will not stop the flow. Diagonals also have no real effect on water flow although they do have use as a means for controlling [[Water_pressure#Diagonal_Flow|water pressure]]. Moving naturally flowing water to a different z-level has somewhat unpredictable effects. More research is needed. | ||
− | ==== | + | ====Taking a natural source uphill with a screw pump==== |
− | This is | + | This is the first of several cases of natural flowing water doing weird stuff. With a screw pump you can pull water directly from a river, or at least from a channel connected directly to a river and generate a naturally flowing pool at one level above the river in defiance of all logic. Left alone as is this pool will continue to flow forever on every single tile. This could be used as a cheaty way to power a [[water_wheel|waterwheel]]. Covering this strange pool with another layer of water may break this effect. |
− | + | ≈≈ Natural flowing water as from a [[River]] or [[Brook]] | |
− | ~ | + | ~~ non-flowing water |
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%% Screw Pump | %% Screw Pump | ||
− | + | ▒▒ Solid Ground | |
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%%≈≈≈▒ | %%≈≈≈▒ | ||
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≈≈≈≈≈▒▒▒▒▒ | ≈≈≈≈≈▒▒▒▒▒ | ||
− | === | + | ===Artificial flow=== |
− | + | Unlike natural flow, Artificial flow works on a tile by tile basis. Any time there is a difference in water levels from one tile to the next water has a chance to move. When water moves from one tile to the next, this causes flow for a short period of time. If all the adjacent tiles are the same depth, water will not flow. It is quite common to see flow in some tiles but not others. | |
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====Creating permanent artificial flow==== | ====Creating permanent artificial flow==== | ||
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''(It is theorized that the water that initially flows in to fill that channeled tile somehow gets "stuck" in the flowing state. This is only a theory.)'' | ''(It is theorized that the water that initially flows in to fill that channeled tile somehow gets "stuck" in the flowing state. This is only a theory.)'' | ||
− | + | [[Category:World]] | |
− | + | [[Category:Physics]] |