Calculate Length (Meters) of Unprojected Line Feature in Model Builder

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04-17-2015 08:09 AM
BenGrod
Regular Contributor

Any suggestion on how to calculate the length (meters) of a feature class (line) which is in GCS_WGS_1984. Calculating the Meters field based on Shape_Length results in the decimal degrees distance. I could project the feature class, calculate area, join back to the original feature, and calculate the meters but I was looking for something cleaner. Is there a way to define a projection temporarily within Model Builder then calculate area? Thanks in advance for your suggestions.

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JakeSkinner
Esri Esteemed Contributor
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JakeSkinner
Esri Esteemed Contributor
BenGrod
Regular Contributor

Thank you Jake, speedy response and works perfectly!

Jayanta_Poddar
Honored Contributor

Alternatively, you could project the dataframe. And calculate geometry (length) using the projection system of the data frame in the attribute table.