GeoGRAFX

 Advanced Object Creation and Editing
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This 1 hour 20 minute video covers some of the advanced object creation and editing tools useful in creating maps. These tools include:

• Screen Digitizing - create digital datasets using existing tables and digitizing from a scanned image.
• Data Entry - We will use the Discover DigData utility to streamline the entry of attribute data for digitized map objects.
• MapInfo Autotrace - use Autotrace to trace nodes from existing polylines or polygons.
• The Discover PolyBuilder utility is designed to simplify the conversion of digitised linework (representing regions) into polygon vector objects.
• Clip to Polygon - Discard data that lie outside a selected region, clipping the retained data at the region boundary.