Inverting Gerber is tricky because Gerber is a vector drawing format. I would create a bitmap with the desired image and then convert that to Gerber. A perl script was posted here to do that. I am working on a Windows program to convert BMP to Gerber and/or a PCBNEW module, if that is of interest.
--- In [email protected], "anool" <anoo...@...> wrote: > > Hi, > > I have some "text" that needs to be etched away from a ground plane (Its just > text on the PCB, no other components or parts). I've tried many ways, but am > unable to achieve such a result from KiCad. What I could manage was putting > text on the Copper layer, taking a PS plot, and inverting the PS plot to get > the desired final output, in PS. However, my PCB fabricator insists on > receiving a Gerber plot. > > Using the Gerber plot function, I just cannot get the desired output. The > "Plot Negative" check mark in the Plot menu is not available for Gerber. > > Any ideas how I can get "inverted" gerber plot ? On the forum I found one > thread regarding this, but it is for a PS plot (it involved editing the PS > file, and changing the "setgrey" command). > > Or, is there a way to convert from PS to Gerber ? > > Link : > http://tech.groups.yahoo.com/group/kicad-users/message/1031 > > Any tips ? > > cheers, > > Anool J M : anoo...@... >
