arc hydro > longest flow path tool

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02-10-2012 05:16 AM
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JimmyClark
New Contributor
Anybody having any problems with the longest flow path tool in Arc 10 / Arc Hydro 2.0?  It just seems to run forever.  Basin and fdr both are in projected coordinate system.

Thanks

JMC
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JeffreyStevens
New Contributor II
I also am having issues with the Longest Flow Path in ArcHydro.  I keep getting a System.InvalidCastException: Conversion from string "" to type 'Integer' is not valid. ----> System.FormatException...

I have attached a screenshot of the complete error message:

[ATTACH=CONFIG]11952[/ATTACH]

Any help would be greatly appreciated.:confused:

Thanks.
Jeff
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