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Setting up the detection zone is performed by setting the following parameters:

1. Zone positioning;
2. Zone direction;
3. Zone size.

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1. Go to the Vehicle detector object settings panel.
   
2. Click the Configuring detection... to set up the detector zone's positioning (1).
3. Frame selection dialog window will open in result.
   
4. Click Select frame to select a video frame.

5. Zone positioning setting dialog window will open in result.
   
   Using the keyboard and a mouse set the zone detection parameters.

   Key	Function	Note
   Left mouse key	Transferring the zone's node point holding the pressed left mouse button	The node point is selected in the frame by a rectangle
   Mouse scrolling	Rotating the detection zone around its center	Mouse cursor should be within the detection zone
   Mouse scrolling + Alt	Step-by-step rotating the detection zone around its center	Mouse cursor should be within the detection zone
   Mouse scrolling + Ctrl	Zone scaling	Mouse cursor should be within the detection zone
   Mouse scrolling + Shift	Graded, in accordance with the sides of detection zone, change of its direction	Mouse cursor should be within the detection zone

   
   

   Info
   title Note.
   To set up the detection zone one has to use road's reference points with familiar topographic parameters.

   
   

6. Click OK to save the changes and close the dialog window Zone position setting.

7. Click Apply to save the changes (2).

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