Bugs item #3602163, was opened at 2013-01-25 14:03
Message generated for change (Tracker Item Submitted) made by oshpark
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Category: Gerber Parser
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: OSHPark (oshpark)
Assigned to: Stefan Petersen (spetm)
Summary: Polygon/area fills without a specified start location

Initial Comment:
I've encountered an issue with gerbers from the DesignSpark/EasyPC/Pulsonics 
family.

Their polygon fills don't include the starting coordinate, but instead assume 
the plotter will start at whatever the last coordinate was.  For example:

X16Y198D02*
G36*
Y141D01*
X55*
G75*
G02X40Y198I97J57*
G01*
X16*
G37*

Gross.  I've submitted this as a bug to NumberOne Systems, since I think it's 
incorrect-- or at least ambiguous-- behavior.

If you load the attached file "Bad-Polygon-Fills.ger", it will look okay.  
Gerbv actually parses and draws this properly in the UI.  Now save / export the 
gerber and reload it.  Mutilated polygon city.

I don't know what the right fix is. Should the current photo plotter position 
be recorded as the polgyon start if there isn't one inside the polygon 
definition?

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https://sourceforge.net/tracker/?func=detail&atid=409538&aid=3602163&group_id=33921

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