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<A NAME="movesel"><B>move selection</B>: with the mouse you can draw a segment anywhere in the scene area: it represents the vector used for translating the selection. When you stop dragging the mouse, the translation is done.  </A>
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<A NAME="rotate"><B>rotate selection</B>: a bit more complicated, so here is a picture:<BR><BR></A>
<CENTER><IMG SRC="images/snaprotsel0.jpg" BORDER=0 WIDTH=358 HEIGHT=334></CENTER><BR>
...as you can see, there's a blue target-like thingy in the middle of the scene a