Revision 568421 of "Zooming" on mediawikiwiki

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Icons on the top menu

'''1. Line picker'''
Allows one to activage a line by pointing it. This is only needed when changing existing lines.
 
'''2. List lines'''
Shows a list of existing lines for easy activating. 
  
'''3. Modify shape'''
Fit the drawn line to some other mathematical formula.
  
'''4. Toggle private'''
By default everything is shared to other users after drawing. If this is checked, one can draw privately without sharing to other users. This is good when you want to complete a bigger shape before sharing it.