Difference between revisions of "TUFLOW Message 1278"
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{{TUFLOW_Message | {{TUFLOW_Message | ||
|tuflow_message=ERROR 1278 - Pit <pit ID> inlet level is below lowest channel/pipe bed.<br> | |tuflow_message=ERROR 1278 - Pit <pit ID> inlet level is below lowest channel/pipe bed.<br> | ||
| − | Pit Entry Level = <value> | + | ERROR 1278 - Pit Entry Level = <value>; |
Lowest Channel/Pipe Invert = <value> | Lowest Channel/Pipe Invert = <value> | ||
|alt_msg=WARNING 1278 - Pit <pit ID> inlet level is below lowest channel/pipe bed. | |alt_msg=WARNING 1278 - Pit <pit ID> inlet level is below lowest channel/pipe bed. | ||
|type=[[ERROR]] <br> [[WARNING]] | |type=[[ERROR]] <br> [[WARNING]] | ||
| − | |message_desc=The inlet level for the pit below the lowest connect channel / culvert. | + | |message_desc=The inlet level for the pit is below the lowest connect channel / culvert. |
| − | |suggestions=Check inputs and ensure that invert levels are being correctly specified. | + | |suggestions=Check inputs and ensure that invert levels are being correctly specified.<br> |
| − | + | If US_Invert is set to -99999, run the model in a test mode without any 1D elements, 1D/2D links and other 1D related features to produce zpt_check file. Review if Zpts elevation at pit location is reasonable.<br><br> | |
| − | + | '''SGS model''': Users may receive this error after converting a working non-SGS model to an SGS model. In a non-SGS model, the cell elevations are sampled at the cell centres, while an SGS model samples DEM elevations inside the cells based on the SGS sample distance and uses the lowest elevation inside the cell as the “pit inlet level”. Therefore, an SGS model might have picked up an elevation lower than the pipe invert level. In such case, the "US_Invert" attribute of the 1d_nwk GIS layer can be used to manually specify the ground elevation of the pit. If possible, it is also suggested to review the cell size of the model, so that the model doesn't sample an elevation far away from the pit. | |
| − | + | ||
| − | + | ||
|uplink=[[1xxx_TUFLOW_Messages|1xxx Messages]] | |uplink=[[1xxx_TUFLOW_Messages|1xxx Messages]] | ||
| − | + | ||
}} | }} | ||
Latest revision as of 12:06, 21 February 2024
TUFLOW Message
ERROR 1278 - Pit <pit ID> inlet level is below lowest channel/pipe bed.
ERROR 1278 - Pit Entry Level = <value>;
Lowest Channel/Pipe Invert = <value>
Alternate Message
WARNING 1278 - Pit <pit ID> inlet level is below lowest channel/pipe bed.
Description
The inlet level for the pit is below the lowest connect channel / culvert.
Suggestions
Check inputs and ensure that invert levels are being correctly specified.
If US_Invert is set to -99999, run the model in a test mode without any 1D elements, 1D/2D links and other 1D related features to produce zpt_check file. Review if Zpts elevation at pit location is reasonable.
SGS model: Users may receive this error after converting a working non-SGS model to an SGS model. In a non-SGS model, the cell elevations are sampled at the cell centres, while an SGS model samples DEM elevations inside the cells based on the SGS sample distance and uses the lowest elevation inside the cell as the “pit inlet level”. Therefore, an SGS model might have picked up an elevation lower than the pipe invert level. In such case, the "US_Invert" attribute of the 1d_nwk GIS layer can be used to manually specify the ground elevation of the pit. If possible, it is also suggested to review the cell size of the model, so that the model doesn't sample an elevation far away from the pit.
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