Editing The Eggbot coordinate system

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== Where does my drawing start? ==
 
== Where does my drawing start? ==
  
Enter the "Start with pen centered" option of the Eggbot Control extension's "Options" tab.  What this option says, when checked, is that the pen is '''assumed''' to be at the (x, y) point (W/2, H/2) in your drawing -- the drawing's geometric center.  Here, W is your drawing's width and H is your drawing's height.  For a drawing with dimensions 3200 × 800, this corresponds to the point (1600, 400).
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Enter the "Start with pen centered" option of the Eggbot Control extension's "Options" tab.  What this option says, when checked, is that the pen is '''assumed''' to be at the (x, y) point (W/2, H/2) in your drawing -- the drawing's geometric center.  Here, W is your drawing's width and H is your drawing's height.  For a drawing with dimensions 3200 × 800, this corresponds to the point (1600, 800).
  
 
If you do not check the "Start with pen centered" option, then the Eggbot assumes that the pen is located at the starting point of the first line segment in your drawing.  For all but the simplest drawings, it's anyone's guess which part of your drawing this will correspond to: Inkscape chooses how to order pieces of your drawing.  As such, operating without the "Start with pen centered" option is something of a gamble.
 
If you do not check the "Start with pen centered" option, then the Eggbot assumes that the pen is located at the starting point of the first line segment in your drawing.  For all but the simplest drawings, it's anyone's guess which part of your drawing this will correspond to: Inkscape chooses how to order pieces of your drawing.  As such, operating without the "Start with pen centered" option is something of a gamble.

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