Culvert diameter (Water Overlay): Difference between revisions

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|key=CULVERT_DIAMETER
|key=CULVERT_DIAMETER
|unit=m
|unit=m
|description=The diameter of the culvert. For throughput calculations, the culvert is assumed to have a circular cross-section.
|description=The inside diameter of the circular-shaped Culvert, or the inside width of a rectangular-shaped Culvert.
|defaultvalue=1
|defaultvalue=1
|range=0 to {{max surface}}
|icon=waterwizard_icon_culvert_width.png
|icon=waterwizard_icon_culvert_width.png
}}</onlyinclude>}}
}}</onlyinclude>}}


The diameter of the culvert not only affects the amount of water which can flow through the culvert, but also the amount of [[grid cell]]s on either side of the culvert which allow water to flow through to the other side. The greater the culverts diameter, the more cells are considered to be part of the entry- and exitside of the culvert.
Culvert diameter affects both the water flow capacity and the number of [[grid cell]]s allowing passage across it. The greater the culverts diameter, the more cells are considered to be part of the entry- and exitside of the culvert. This cell count is determined by the CULVERT_DIAMETER attribute. If the  CULVERT_DIAMETER attribute is > 25m, the amount of cells has reached a maximum and does not increase anymore.
The amount of cells which are considered to be part of the entry- and exitside of the culvert, are based on the value of the CULVERT_DIAMETER attribute. If the  CULVERT_DIAMETER attribute is > 25m, the amount of cells has reached a maximum and does not increase anymore.
 
{{clear}}
{{clear}}


{{article end
{{article end
|notes=
|notes=
* A culvert is identified as a rectangular (box) culvert when it also has the [[Culvert_rectangular_height_(Water_Overlay)|Culvert rectangular height]] [[Overlay_Key|key]] set to a non-zero positive value. In such situation, the diameter is interpreted as the width of the cross section of the rectangular culvert.
|seealso=
|seealso=
*[[Culvert formula (Water Overlay)]]
*[[Culvert formula (Water Overlay)]]
|howtos=
|api=*[[Api session event editor overlay set key value]]
*[[Api session event editor building set attribute]]
*[[Api session event editor functionoverride set attribute]]
}}
}}


{{WaterOverlay hydraulic structure nav}}
{{WaterOverlay hydraulic structure nav}}

Latest revision as of 12:23, 13 July 2026

This figure depicts the original way of implementing culverts (left), and the current way they are implemented in the Tygron Platform (right).

Culvert diameter affects both the water flow capacity and the number of grid cells allowing passage across it. The greater the culverts diameter, the more cells are considered to be part of the entry- and exitside of the culvert. This cell count is determined by the CULVERT_DIAMETER attribute. If the CULVERT_DIAMETER attribute is > 25m, the amount of cells has reached a maximum and does not increase anymore.

Notes

  • A culvert is identified as a rectangular (box) culvert when it also has the Culvert rectangular height key set to a non-zero positive value. In such situation, the diameter is interpreted as the width of the cross section of the rectangular culvert.

See also

API Endpoints