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Re: gEDA-user: pcb footprint creation: Soldermask clearance



On Wed, Mar 22, 2006 at 09:41:14PM +0100, Philipp Klaus Krause wrote:
> Dan McMahill wrote:
> > Philipp Klaus Krause wrote:
> >> Philipp Klaus Krause wrote:
> >>
> >>> I have created some custom pcb footprints, but their soldermask
> >>> clearance is way too big: The pads onb my PLCC32 and smd resonator are
> >>> free from soldermask, but everything in between them, too.
> >>>
> >>> I already tried
> >>> âchangeclearsize(selectedobjects, thickness/2+0.1mm
> >>> and
> >>> changeclearsize(selectedobjects, 0.35, mm)
> >>> (I don't know, how they're supposed to work, I just saw them at
> >>> http://geda.seul.org/dokuwiki/doku.php?id=geda:pcb_tips, but they didn't
> >>> do anything as far as I can see; I used ":", then entered the commands
> >>> in the window that appeared).
> >>>
> >>> Philipp
> >>>
> >>
> >>
> >> It seems you have to" enable view soldermask" for the clearance command
> >> to work.
> >>
> >> Philipp
> >>
> > 
> > from
> > http://pcb.sourceforge.net/pcb-20060321.html/Actions.html#index-ChangeClearSize_0028_0029-547
> > 
> > 
> > 
> > ChangeClearSize(Object, value[, unit])
> > ChangeClearSize(SelectedPins|SelectedVias, value[, unit])
> >     The effect of this action depends on if the soldermask display is
> > presently turned on or off. If soldermask is displayed, then the
> > soldermask relief size will be changed. If soldermask display is turned
> > off, then the clearance to polygons will be changed. unit is "mil" or
> > "mm". If not specified the units will default to the internal unit of
> > 0.01 mil.
> > 
> > Yeah, we know the manual isn't great, but it is improving!
> > -Dan
> > 
> 
> It seems I should pay more attention to the manual "where there's nice
> short instructions for creating footprints, which doesn't cover things
> like soldermasks though" (and less to the wiki, where there is an
> obscure 36-step instruction to create footprints, but it doesn't say
> that you should "enable view soldermask as step 14.5").

That's because I missed it there out. Next time I used the guideline I
had fixed it. And I also did other enhancements. Current version is at:
http://ronja.twibright.com/guidelines/footprints.php

Stuart please copy it again or better directly link it because it's
possible I'll find and fix some more omissions there.

CL<
> Philipp