At 05:26 PM 1/31/2002 +1100, Ian Wilson wrote:
There is no Place-All command in Sch-Lib but you can select multiple 
library components in the component browse list (in SchLib) and then click 
the Place button.  This then places all the selected components onto a 
schematic.  I just tried - it seems to work.

>So your process does work for sch.  Someone else can check to see if it 
>works in PCB.

It doesn't work in PCB, but a slight variation does work. Select multiple 
footprints in PCBLib, rt.-click and Copy, then go to the PCB and 
Edit/Paste. This may be a good way to create a reference file for viewing 
footprints. But it is not a good way to merge libraries, because one is 
presumably going to do this with multiple libraries.

When two or more footprints of the same name are placed into a PCB file 
from different libraries, nothing will distinguish them (at present, 99SE). 
They might be the same footprint, they might be quite different, they will 
still have the same name. And only one of them will be stuffed into the 
project library. It *may* be the second one to be placed which gets 
archived, that's what happened in my test. It probably depends on sequence 
in the database.

But if you copy and paste, as previously described, into a PCB Library 
instead of into a PCB, duplicated footprints (i.e., duplicated names) both 
end up in the library, with the second or subsequent ones being suffixed to 
maintain uniqueness. You can then fairly quickly check them for identity. 
(Use the export to spread facility in PCBLib if you want to be thorough, it 
could be tedious to compare pad names otherwise. The spreadsheet can also 
be used to create complex footprints, just give it the right number of 
pads, of any name and location, to eat when you start, they can then be 
edited in spreadsheet -- I use Excel 97 -- to the desired locations. With a 
256-pin BGA numbered with one of those skip-letter schemes, this is a 

Wish list: spreadsheet export/update for SchLib. This would make it easier 
to assign and check pin electrical attributes. (But there is a Component 
report from SchLib that does give pin information, but fixing problems must 
be done in the SchLib editor, which can be a relatively tedious process.)

In addition, the electrical attributes should display in the Pins window in 
the Panel.

Abdulrahman Lomax
Easthampton, Massachusetts USA

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