PADS Layout V2005 Export To DipTrace |
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dwaltoneng
Advanced User Joined: 02 Mar 2013 Location: Australia Status: Offline Points: 193 |
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Posted: 02 May 2014 at 1:17am |
I am having difficulty exporting from PCB Library Expert to DipTrace CAD tool. One footprint is not exported/imported correctly. I have tried selecting PADS Version 2005.0 and 2007.0 The following is part of the exported PADS Version 2005.0 output from Library Expert, for the Footprint Name QFN50P400X400X80-21 |
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chrisa_pcb
Moderator Group Joined: 29 Jul 2012 Location: San Diego Status: Offline Points: 772 |
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Hi. Can you send me the PADS 2005 ASCII .pdf? Whats weird is that I'm showing no exceptions to the rotation units being in degrees, rather than the normal tenths of a degree. PADS itself loads the 2005 .d and .p that is put out without issue. Also keep in mind that the .d and .p are applicable to the library specification document included with PADS, plib_ascii.pdf, as opposed to the .asc which is described in ppcb_ascii.pdf. There are minor differences between the two, so please ensure you're reading the right specification. |
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dwaltoneng
Advanced User Joined: 02 Mar 2013 Location: Australia Status: Offline Points: 193 |
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Someone has posted the 2007 documents at docin.
Ppcb_ASCII v2007 http://www.docin.com/p-306298051.html Plib_ASCII v2007 http://www.docin.com/p-306297849.html Interesting that Plib_ASCII says the angle is in degrees, and Ppcb_ASCII says the angle is in tenths of a degree. Is Plib_ASCII the document we should be referring to? |
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chrisa_pcb
Moderator Group Joined: 29 Jul 2012 Location: San Diego Status: Offline Points: 772 |
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Ppcb_ASCII.pdf describes the .ASC (full board) specification. Plib_ASCII.pdf describes the .p/.d (library part) specification. When you choose a .asc output, it places the parts(part decal, part type, and then a part to place) on a board in order to import them. When you choose the part and decal format, it uses library style. They vary in minor ways. I've looked back through my stuff in comparison to these pdfs, and it appears that prior to version 9, the .d file used degrees, rather than tenths of a degree for the angles contained in an arc. All .asc files have always described the angles of an arc in tenths of a degree. It looks like they brought the two specs inline with version 9. As such, I put in the modifications, but they'll be awaiting the next update. |
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dwaltoneng
Advanced User Joined: 02 Mar 2013 Location: Australia Status: Offline Points: 193 |
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In the 2005 and 2007 version of Plib_ASCII.pdf, I think the last number in the line "COPCLS 10 0.01 1 20" is the linestyle, which should be either -1 or 0. Is this right? Setting the last number 20 to -1 causes DipTrace to come up with a memory exception though. |
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