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Automatically Digitize Image
You can load image, or a scanned photograph you import from other
programs and locations. When you insert clip art, you can automatically or manually
digitize the image to a group of polylines and then change the fill or line color.
On the File menu click Open. Locate the folder that
contains the bmp, gif or jpg file you want load and double-click it.
On the Objects menu, click Digitize...

You can set options and click the Digitize button.
3DField program filters and smoothes image and generates and displays
contour (isolines). You can copy the isolines to Drawings group and then save the
polylines to ASCII or DXF file. To copy all isolines, right-click the Map panel item Isolines
and then click Copy to Drawings. To copy a one isoline, right-click this isoline.
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