To Change the Contour Vector Separation Options

1. On the ribbon, click Raster Tools tab Vectorize & Recognize Text panel Dialog box launcher ().

   The AutoCAD Raster Design Options dialog box is displayed.

2. Click the VTools General tab.
3. Click the Vector Separation button.
4. Click the Contour tab.
5. If you want to assign layer and polyline width values to contours based on their elevation interval, select Separate Contours By Elevation.
6. If you have AutoCAD Raster Design toolset installed on Autodesk Land Desktop and you want to use its settings for minor and major layers and intervals, select Use Autodesk Land Development Desktop’s Settings.
7. In the Minor section, set the elevation Interval for minor contours, then select a default Layer and specify a Polyline Width for these contours.
   Note: AutoCAD Raster Design toolset first checks to see if the elevation is a multiple of the Major Interval.
8. In the Major section, set the elevation interval for major contours, then select a default Layer and specify a Polyline Width for these contours.
9. If you want to import vector separation settings, click Import. Vector separation files have a .vs extension.
10. If you want to export the current vector separation settings, click Export.
11. If you want to make the current vector separation settings the default values, click Save As Default.
12. Click OK to exit the dialog box.