Rainfall Overlay: Difference between revisions
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| Sewer | | Sewer | ||
| If there is a SEWER [[area]] present, which is defined by the presence of a non-zero SEWER_STORAGE attribute, and there is a building present with the SEWERED | | If there is a SEWER [[area]] present, which is defined by the presence of a non-zero SEWER_STORAGE attribute, and there is a building present with the SEWERED attribute ("Connected to Sewer") set to 1, and the sewer container is not yet full, the water is moved directly into the sewer. | ||
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| Building storage | |||
| If there is a building present with the WATER_STORAGE_M attribute ("Water Storage (m3/m2) )") set to a value greater than 0, and the building container is not yet full, the water is moved directly into the building container. | |||
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| Surface water | |||
| If there is surface water present (i.e. a terrain with the WATER attribute set to 1), the water is moved into the surface water container. | |||
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| Surface water | |||
| If there is no building connected to an empty sewer, no building with water storage, and no water terrain, the water is placed in a surface container. | |||
|} | |} | ||
Revision as of 11:44, 16 May 2017
What is the rainfall overlay
Calculation steps
Here there should be an overview of all the calculations steps. BOB: Flowchart?
Rainfall
Water is created in the form of rainfall. Properties of rainfall the amount of water created per calculation step is based on the amount of calculation steps for the simulation, the duration of the rain, and the amount of rains which falls during that time. Directly after being created by rainfall, water can be placed in one of the follow containers:
Container | Condition |
---|---|
Sewer | If there is a SEWER area present, which is defined by the presence of a non-zero SEWER_STORAGE attribute, and there is a building present with the SEWERED attribute ("Connected to Sewer") set to 1, and the sewer container is not yet full, the water is moved directly into the sewer. |
Building storage | If there is a building present with the WATER_STORAGE_M attribute ("Water Storage (m3/m2) )") set to a value greater than 0, and the building container is not yet full, the water is moved directly into the building container. |
Surface water | If there is surface water present (i.e. a terrain with the WATER attribute set to 1), the water is moved into the surface water container. |
Surface water | If there is no building connected to an empty sewer, no building with water storage, and no water terrain, the water is placed in a surface container. |
Surface container