Autotek autocad raster design 2010 Benutzerhandbuch

NOTE To make the most efficient use of the 3D Polyline Follower, you should first
adjust the settings on the 

 (page 360) tab on the Raster Design

Options dialog box.

1 Click Image menu  ➤  Vectorization Tools  ➤  3D Polyline Follower.

The following prompt appears:

Specify first fence point or [follow Vector]:

2 Do one of the following:

■

Click several points to define a polyline fence that intersects several
contours.

■

Enter v (Follow Vector) and press enter, then select an existing vector
polyline for the follower to use.

TIP If you have already vectorized a contour, use OSNAP to snap a polyline
vertex to that contour. ProdNameShort uses its elevation as the default when
the follower pauses at that vertex.

The following prompt appears:

Specify elevation, press Enter to accept or
[Interpolate/Existing/Undo/Skip/iNsert/Move]:

3 Do one of the following:

■

Enter an elevation, then press Enter.

■

Press Enter to accept the current elevation value.

■

Enter i (Interpolate) to interpolate the value based on the previous
elevation and the next elevation.

■

Enter e (Existing), then click a vector entity from which to copy the
elevation.

■

Enter u (Undo) to undo the last elevation entered.

■

Enter s (Skip) to skip the current raster impact point.

■

Enter n (Insert), then click a point to insert another vertex for the
polyline.

■

Enter m (Move), then click a point to move the current vertex.

224 | Chapter 8   Converting Raster Entities to Vector