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Quick guide

1. Click Start digitizing and use the left mouse button to digitize.
2. Click Connect to start if you want to close the polygon.
3. Click Stop digitizing to save the line/polygon.

Digitizing in 3D

Quick digitizing operates in 2D mode by default and one can just click with the left button key to digitize. It is however possible to enter 3D mode and perform digitizing in 3D. In that case set the Select mode to 3D or just set the graphics in 3D and follow the guide lines to get control.

* Start *Quick digitizer* as usual. Then one can digitize by attaching the cursor to a surface or use a 3D cursor.
* *Digitize by attaching to a surface*:
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# Use keyboard *y* to attach to a surface.
# Apply the *manipulator* under *Tools* to get a flat surface i x|y|z direction to attach to.
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* Digitize freely and use a 3D cursor.
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# Keyboard *p* will digitize a position *without* any position control unless a 3D cursor.
# A 3D cursor is toggled *on/off* by keyboard *i*. Position the 3D cursor and use *p* to digitize.
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* Turn off all digitize by *Stop digitizing*.

3D digitizing is made easy by using y to attach to a surface and the manipulator to get control elsewhere. A typical case for 3D digitizing is to supply some extra points to grid input around a salt diaphir or specific structure that is not properly covered by the input points.