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graphic line disappears when zooming in

Question asked by MBoucher21 on Mar 30, 2016

I'm using ArcHydro which, I think, uses the Spatial Analyst (SA) functions. One function is "Flow Path Tracing" too. This traces a graphic line where the water would flow based on the flow direction grid.

 

My problem is that the graphic line does not appear again until I zoom out. At this level of zoom I can't see enough detail to may the traced flow path worth analysing. When I zoom in  the graphic line disappears.

 

Anyone deal with this one?

 

Mark

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