Autodesk 00126-050008-1640A User Guide - Page 177

WiseImage - User's Guide Produce Vector and Erase Raster This mode creates approximating vector objects and removes the traced parts of raster lines. To turn on Produce Vector and Erase Raster Click the button on the Raster to Vector toolbar, or from the rConvert menu, select Vector (erase raster), and then specify the submenu item corresponding to the traced object. Results of hatch tracing when the Create vector and erase raster mode is on Erase Raster without Producing Vectors This mode removes the traced parts of a raster line and does not create vectors. The intersections or the parts of other raster objects under the traced data are left intact. To turn on Erase Raster without Producing Vectors Click the button on the Raster to Vector toolbar, or from the rConvert menu, select Erase raster, and then specify the submenu item corresponding to the traced object. Tracing a line when the Erase Raster without vector producing mode is on Smooth Raster without Producing Vectors This mode removes the traced parts of a raster line, creates an approximating vector, and then automatically rasterizes it. Thus, the Smooth raster without producing vector mode allows you to correct raster lines. To turn on Smooth Raster without Producing Vectors 182