George,
Use "Add Layer Alignment Target" and "Offset adjust for drill and place files".
These two markers gives enough accuracy for milling.
Can't find Gerber >> Gcode ?!
http://sourceforge.net/projects/gerbertogcode/
For those who run Windooze, there are a number of cheap Gerber >> Gcode
converters you can download and test before purchase.
//Dan, M0DFI
On Thursday 20 May 2010 01:33:18 you wrote:
> I want to mill my own boards an I never found a program to do the
> conversion to G-code so I am writing my own. I am converting Gerber files
> to a milling file and have no problem with one sided boards but for two
> sides I need to mach up the two files. I can not find in the Gerber files
> I generated any offset reference to the other side. At the moment the only
> thing I can think of is to set an offset on one side and remember to use
> the same offset on the second. An offset is needed because the Gerber
> files x an y positions are relative to where the board is drawn on the
> page and for milling I want to reference the lower left corner as 0,0
> position; I can not even tell how big the board is from the Gerber file
> without drawing it and calculating minimum and maximum x and y.
>
> Can someone tell me if I am missing something in the files or in how I save
> the files
>
> Thanks
> George
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