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Grid Index Features Question

Question asked by GISworks on Feb 29, 2016
Latest reply on Mar 2, 2016 by GISworks

I'm using the Grid Index Features tool to build a grid that follows an irregular polyline featureclass.  And then using the gridded polygons in a data page driven layout.   The image below shows the irregular line in dashed blue.

Grid_Index_0.png

I am entering a polygon grid origin other than the one specified by ArcMap when the tool first displays, and then in filling out the other fields on the page, I'm good until I get to this point - i.e. I want to change the number of columns from 5 (as shown) to 6.

Grid_Index_1.png

 

When I change the value to 6, the polygon height and polygon width values change from 7 and 9 inches to values in the thousands as shown below.

Grid_Index_2.png

 

What is causing this and how can I add the one extra column while maintaining the original polygon width?

 

My ArcGIS version is 10.2.1

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