Dave G, Thanks for the clear explanation. Could this be added to the FAQ with your permission? I know it hasn't been asked frequently but maybe other people are wondering. Ian, could you add it for future reference?
Regards, David. --- In kicad-users@yahoogroups.com, "dgreenfi84" <[EMAIL PROTECTED]> wrote: > > --- In kicad-users@yahoogroups.com, "yajeed2000" <djsbriscoe@> wrote: > > > > Hi, > > How is the offset adjust for drill and place files used? > > At the moment when plotting my pcb the drill holes do not line up > with > > the pads in the gerber output. What is the procedure for using the > > offset tool in Kicad to line them up properly? > > Any help would be appreciated, Thanks. > > > > David. > > > > Offset adjust is for setting your own XY origin on the PCB layout. To > use it click the "Plot Origine" radio buttons in both Plot and Drill > menus when generating Gerber and drill files. > > 1) "absolute" is the default origin in the upper left corner of the PCB > with both X & Y positive as you move towards the lower right corner of > the PCB. > 2) "auxiliary axis" is an origin of your choosing using the "Offset > adjust " button (right hand side menu, bottom button). > > In addition there is a Mirror Y Axis check box in the Drill menu that > can give unexpected drill file results if your not aware of it. > > My personal preference is to set a XY origin on my PCB (preferably a > tooling hole), click the "auxiliary axis" buttons in Plot & Drill and > uncheck the "mirror y axis" and "minimal header" boxes in Drill. That > way the origin is set to a known point on the PCB, which makes > dimensioning of the PCB Fabrication drawing easier, especially if the > PCB has a unique shape. In addition the drill file now has an easy to > locate reference point in common with the Gerber files. > > Regards, > Dave G. >
