Lets you determine where to place the nodes.

• Line — Use to place the nodes at the center of the raster lines. or on the edges of the raster objects or lines (Outline).

• Outline — Use to place the nodes on the edges of the raster objects or lines.

Used to select the color mask . The drop-down list shows the existing mask that can be chosen.

If on, the raster in the selected extent will be erased.

Used to determine the maximum width of raster lines. All lines, or parts of lines, or any raster object wider than this value will not be considered as a raster line. This value is given in pixels. Use the Measure tool to measure the width of the larger lines you want to convert.

Determine whether the value will be entered for the Diameter or the Radius of the circle.

Enter a round off value.

If locked, the circle conversion is constrained to the same value, ignoring the round off value. To turn the lock control on or off, click it.