Avg terrain width m (Water Overlay)

Average terrain width can be configured in the Simulation Settings step, when the surface water mode set to Avg Terrain.

Icon	Attribute	Unit	Range	Description	Default value
	AVG_TERRAIN_WIDTH_M	m	0 to 10000 (for 1m grid cell size)	With the surface water mode set to Avg Terrain, identified water average areas can be extended to include surrounding terrain within the configured distance.	1000

This allows water on land to be averaged with the waterways. Water on land that can be averaged has to be higher than the configured AVG_TERRAIN_STORAGE_M.

• 
  Water Overlay set to Grid Averaging Terrains and a configured average terrain width of 1000m.
• 
  Water Overlay set to Grid Averaging Terrains and a configured average terrain width of 100m.
• 
  Difference in water level.

Notes

• This option is only used when the surface water mode is set to Avg Terrain.
• The average terrain width is converted to grid cells by dividing it by the grid cell size.

How-to's

• How to add and remove an Attribute

API Endpoints

• Api session event editor overlay set attribute

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Allowed water increase m • Avg shore width m • Avg terrain width m • Avg terrain storage m • Breach measurement distance m • Bridge elevation • Culvert dem threshold m • Design flood elevation m • Ground bottom distance m • Ground bottom pressure m • Ground water • Ground water depth m • Ground watertable with surface • Impact flood threshold m • Impact range m • Increased resolution • Infiltration factor s

Limit area • Limit rain • Max infiltration m • Max water bottom m • Microrelief storage fraction • Min max elevation • Object entry correction • Prequel surface level relative • Rise rate distance m • Sewer overflow threshold • Shoreline • Duration min level m • Stabilizer angle • Start date ms • Surface water • Surface water evaporation factor • Timeframe times • Timeframes • Trim manning • Trim evapotranspiration • Trim root depth • Trim ground infiltration • Trim ground conductivity • Trim shoreline conductivity

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Building attributes • Hydrological features • Hydraulic structures •  Terrain attributes • Prequels • Results • Simulation data