Weir angle (Water Overlay): Difference between revisions

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|icon=[[File:waterwizard_icon_weir_angle.png]]
|icon=[[File:waterwizard_icon_weir_angle.png]]
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[[File:Weir_angle_explain_(Water_Overlay).png|thumb|right|x300px]]
The weir angle is used to convert a weir loaded in as point-based data to a line which is used in the simulation to define from where to where the water should flow across the weir. It also automatically adjusts the elevation perpendicular to the direction of the weir, so that water can only flow from one side of the weir to the other through the weir, rather than around it.
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==Notes==
==Notes==
[[File:Weir_angle_explain_(Water_Overlay).png|thumb|right|x300px]]
[[File:Weirs_angel.jpg|thumb|right|x300px]]
* This angle is used to generate a line for the front and end points of the weir. Additionally, the elevation is also automatically adjusted for the region perpendicular to the weir angle.
* If a weir angle is available for a weir which is already line-shaped, the weir is first interpreted as a point, and then the direction and elevation are adjusted accordingly. The centre of the weir's polygon is used.
* If no angle is available as an attribute, the angle can be calculated by using the Generate Angles option in the Weirs step of the wizard. [[File:Weirs_angel.jpg|thumb|left|x300px]]
* If no angle is available as an attribute, the angle can be calculated by using the Generate Angles option in the Weirs step of the wizard.  
{{WaterOverlay hydraulic structure nav}}
{{WaterOverlay hydraulic structure nav}}

Revision as of 08:30, 1 May 2020

Template:Overlay attribute

Weir angle explain (Water Overlay).png

The weir angle is used to convert a weir loaded in as point-based data to a line which is used in the simulation to define from where to where the water should flow across the weir. It also automatically adjusts the elevation perpendicular to the direction of the weir, so that water can only flow from one side of the weir to the other through the weir, rather than around it.

Notes

Weirs angel.jpg
  • If a weir angle is available for a weir which is already line-shaped, the weir is first interpreted as a point, and then the direction and elevation are adjusted accordingly. The centre of the weir's polygon is used.
  • If no angle is available as an attribute, the angle can be calculated by using the Generate Angles option in the Weirs step of the wizard.
Water Module
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Overview
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Theory
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Benchmarks
Group
Inlet
Inlet q • Inlet area • Inlet capacity •  Lower threshold •  Upper threshold • Inlet underground
Pump
Pump q •  Lower threshold •  Upper threshold • Pump angle • Pump capacity • Pump area
Culvert
Culvert diameter • Culvert rectangular height • Culvert threshold • Culvert n
Weir
Weir height • Weir width • Weir angle • Weir coefficient • Weir target level
Sewer overflow
Sewer overflow • Sewer overflow speed
Drainage
Drainage q • Drainage datum • Drainage active • Drainage overflow threshold
Output
Object flow output • Object height output • Object datum output a • Object datum output b • Object width output
Related
Building attributes • Hydrological features •  Terrain attributes • Model attributes • Results • Simulation data
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