ArcGIS Extension: Tools for Graphics and Shapes
Jenness Enterprises, which appears to be a one-many GIS consultancy, offers some useful extensions for ArcGIS at:
http://www.jennessent.com/arcgis/arcgis_extensions.htm
Tools for Graphics and Shapes is “a large suite of tools for calculating geometric attributes of vector features and for selecting and naming graphics. All tools are available at the ArcView license level.” The extension gives you lots of useful functions, like:
Tools for Graphics
- Graphic Elements to Shapes
- Select Graphic Elements by Type
- Select All Graphic Elements
- Unselect All Graphic Elements
- Flip Graphic Element Selection
- Zoom to Selected Graphic Elements
- Name Graphic Elements
Tools for Shapes
- Convert Polygons to Label Points
- Convert Shapes to Centroids
- Convert Shapes to Spherical Centroids
- Convert Shapes to Vertices
- Convert Polylines to Polygons
- Convert Polygons to Polylines
- Build Polygons from Polylines
- Split Multipart Features
- Combine Features
- Calculate Geometry
