Check Files 1d WLLo: Difference between revisions
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This GIS check file contains the locations of the 1D Water Level Line (WLL) objects. The [[Check_Files_1d_WLLp | 1d_WLLp Check File]] contains information about the water level line point objects.<br>
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'''Attributes of WLLo_check'''<br>
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| Downstream_Node||The ID of the downstream node.
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| Weight_to_US_Node||The weighting to the upstream node. For locations between nodes, the water level is taken as a linear interpolation between the upstream and downstream water levels. This interpolation is based on the distance to the US and DS nodes.
For example a water level line that is exactly halfway between the US and DS nodes with have a weighting of 0.5. If the nodes are 100m apart and the WLL is 10m from the US node and therefore 90m from the DS node will have a weighting to US node of 0.9. (90% of the WL is from the US node and 10% from the DS node).
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| Upstream_Channel||The channel upstream of the WLL, for a WLL snapped to a node this is the primary upstream channel. For a WLL partway along a channel this is the channel ID the WLL is connected to.
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| Downstream_Channel||The channel downstream of the WLL, for a WLL snapped to a node this is the primary downstream channel. For a WLL partway along a channel this is the channel ID the WLL is connected to.
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