Tracing vessels (2D)

Before you start tracing, you might find it useful to consult our article Preparing to trace.

 

See Tracing with the automatic mode(3D), Tracing with the user-guided mode(3D), Tracing with the smart manual mode(3D) for tracing in the 3D environment.

Procedure

1. Select Trace>Mode>Vessel.
2. Focus: Scroll the mouse wheel or use the PageUp/Page Down keys on the keyboard.
3. Record the diameter of the process: Scroll the mouse wheel or the + and – keys on the keyboard to adjust the diameter of the circular cursor so that it matches the diameter of the process.
4. Click to place the first point.
5. Continue to place points along the vessel, adjusting the focus and cursor diameter before placing each point.

   To show or hide the line thickness, click Trace>View>Thickness.

6. When you reach the end of a loop:
   1. Click to place a point near the point where the loop closes then right-click and select Ending.
   2. Click Trace>Edit>Select objects then click the vessel to select it.
   3. Click the last point you placed to select it then right-click and select Add to ending.
   4. Click a point on the segment to close the loop.
   5. Right-click and select Ending to end the vessel.