I am using ArcGIS Desktop 10.5.
In land consolidation projects, to determine success of the project, we use shape indices. For this purpose to calculate shape indices, I need to know how many points creates each polygon in attribute table.
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1.Right-click the layer to be evaluated in the Table of Contents and click Open Attribute Table.
2.From the Table Options drop-down, click Add Field to add a new field to the table.
3.Name the field VxCount and select Long Integer for the field type. Click OK.
4.Right-click the heading of the new field and click Field Calculator. Under Parser, select Python. In the main expression box, set:
VxCount = !shape!.pointcount
If you dont want to count the polygon start and endpoint (which is at the same location) twice:
VxCount = !shape!.pointcount-1