Rainfall Overlay: Difference between revisions

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==What is the rainfall overlay==
[[File:Rainfall-Overlay.jpg|thumb|right|200px|Rainfall overlay]]
The Rainfall Overlay is a variant of the [[Water Overlay]], which in turn is a [[Grid overlay|grid overlay]]. Water overlays are connected to the [[Water Module]], a complex hydrological calculation module within the {{software}}.


===Calculation steps===
The Rainfall overlay specializes in displaying the hazard and impact of (heavy) rainfall over the project area. Based on the elevation model, terrain roughness and representations of the sewer and water systems, several result types can be generated by the accompanying Water Module.


Here there should be an overview of all the calculations steps. BOB: Flowchart?
A [[Rainfall_Overlay_tutorial|Rainfall Overlay Tutorial]] is available to get you started with this overlay.


====Rainfall====
In order to get more familiar with the different components of the Rainfall Overlay check out Quadrant 2 of the [[Testbed_water_module|Water Module Testbed]]. This Testbed is available to you as a project in the {{software}}.


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:
==Rainfall overlay results==
The Rainfall Overlay is a Water Overlay that is connected to the Water Module. This Water Module performs two dimensional grid based water simulations for a large set of input data and parameters, configured mostly through a related [[Water Overlay Wizard]]. When a simulation finishes, the module stores the result in the Rainfall overlay based on the selected result type. Only one result type can be stored per Rainfall overlay.


{| class="wikitable"
The Water Module however, is not restricted to generating only one type of result. Instead it can produce multiple unique result types for one single simulation.
|-
Fortunately it is possible to add additional result type overlays which relate to a particular Rainfall overlay. These are known as [[Result Child Overlay]]s. Again, each child overlay only stores one particular result type.
! Container
! Condition
|-
| 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 value set to 1, and the sewer container is not yet full, the water is moved directly into the sewer.
|}


Surface container
Apart from multiple result types, the Rainfall overlay can also store result data of multiple, intermediate simulation results, instead of just a single end result. These intermediate simulation results are known as [[timeframes (Water Overlay)|timeframes]].


====Surface containers====
For the full list of result types, see [[Result type (Water Overlay)#List of Result Types|List of Result Types]].
=====Surface runoff=====
=====Vertical infiltration=====


====Underground containers====
For other results, which are not overlay results, but still related to the simulation for a particular Rainfall overlay, see [[Results (Water Overlay)|Rainfall overlay results]].
=====Horizontal infiltration=====


====Surface water====
==Module==
A Rainfall Overlay can be configured by opening the Rainfall Overlay Wizard. More in-depth information can be found under each of the categories below.
{{Water Module buttons}}


====Sewer====
==References==
# [[Water Module Theory#Formulas|Water model formulas]]


====Building storage====
{{WaterOverlay output nav}}
{{Overlay nav}}

Latest revision as of 13:47, 17 January 2023

Rainfall overlay

The Rainfall Overlay is a variant of the Water Overlay, which in turn is a grid overlay. Water overlays are connected to the Water Module, a complex hydrological calculation module within the Tygron Platform.

The Rainfall overlay specializes in displaying the hazard and impact of (heavy) rainfall over the project area. Based on the elevation model, terrain roughness and representations of the sewer and water systems, several result types can be generated by the accompanying Water Module.

A Rainfall Overlay Tutorial is available to get you started with this overlay.

In order to get more familiar with the different components of the Rainfall Overlay check out Quadrant 2 of the Water Module Testbed. This Testbed is available to you as a project in the Tygron Platform.

Rainfall overlay results

The Rainfall Overlay is a Water Overlay that is connected to the Water Module. This Water Module performs two dimensional grid based water simulations for a large set of input data and parameters, configured mostly through a related Water Overlay Wizard. When a simulation finishes, the module stores the result in the Rainfall overlay based on the selected result type. Only one result type can be stored per Rainfall overlay.

The Water Module however, is not restricted to generating only one type of result. Instead it can produce multiple unique result types for one single simulation. Fortunately it is possible to add additional result type overlays which relate to a particular Rainfall overlay. These are known as Result Child Overlays. Again, each child overlay only stores one particular result type.

Apart from multiple result types, the Rainfall overlay can also store result data of multiple, intermediate simulation results, instead of just a single end result. These intermediate simulation results are known as timeframes.

For the full list of result types, see List of Result Types.

For other results, which are not overlay results, but still related to the simulation for a particular Rainfall overlay, see Rainfall overlay results.

Module

A Rainfall Overlay can be configured by opening the Rainfall Overlay Wizard. More in-depth information can be found under each of the categories below.

Benchmarks button.png
Introduction button.png
Water Module
Benchmarks button.png
Getting started button.png
Tutorials
Benchmarks button.png
Overview button.png
Overview
Benchmarks button.png
Theory button.png
Theory
Benchmarks button.png
Benchmarks button.png
Benchmarks


References

  1. Water model formulas
Water Module
Benchmarks button.png
Introduction button.png
Water Module
Benchmarks button.png
Getting started button.png
Tutorials
Benchmarks button.png
Overview button.png
Overview
Benchmarks button.png
Theory button.png
Theory
Benchmarks button.png
Benchmarks button.png
Benchmarks
Group
Output keys
Object flow output • Object height output • Object datum output a • Object datum output b • Object width output
Output other
Result type • Water balance • System visualization • Weather visualization • Debug info
Related
Building attributes • Hydraulic structures • Hydrological features •  Terrain attributes • Model attributes • Simulation data
Overlays
Categorization
Grid • Parent • Result Child • Result Parent • Result type
Default
City
Administrative
Ownership • Ownership Grid • Zipcodes • Zoning • Neighborhoods • Municipalities • Vacancy
Environmental
Heat Stress • Traffic Density • Traffic Noise • Traffic NO2 • Livability
Water
Rainfall • Flooding • Groundwater • Subsidence • Watershed
Grid Calculation
Average • Combo • Distance • Sight Distance • Travel Distance • Inference • Iteration
Geo Data
GeoTIFF • WCS • WMS • Image • Area • Attribute • Function
Topography
Satellite • Digital Surface Model • Digital Terrain Model • Underground • Source
Network
Network Distance • Network Overview • Network Ownership


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