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qadd

       'qadd' <set|seq> 's'|RETURN <'w'|'a'|'i'|'r'|'n'|'e'|'f'|'p'|'l'|'s'|'b'| ->
       'S'|'L'|'q'||'s'|'u'>

This keyword is used to add entities to a set or a sequence seq (see also seta and seqa). A sequence maintains the selection-order of the selected entities (so far nodes and points). For this mode add the parameter ``s'' after the name of the sequence.
qadd seqence s
Sequences of nodes are used by the command graph to plot values along the length of the node-path. To add entities move the mouse pointer over the entity and press the following keys, for Nodes n, Elements e, Faces f, Points p, Lines l, Surfaces s, Bodies b, Nurb Surfaces S and for Nurb Lines L. To catch more than one entity with one stroke type ``a'' before and create a rectangular picking area by pressing two times the ``r'' key. Both strokes define opposite corners of the rectangle. To catch only one entity type ``i'' before. Press ``q'' to quit the command or ``u'' to undo the last action.

It is also possible to measure distances between two pixels on the screen. Just press the key ``w'' on the positions of the two pixels. The distance is calculated in the scale of the displayed geometry.

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