[Pcb-bugs] [Bug 699012] Re: File format documentation out-of-date

[Bert T. <69...@bu...>]

Hi,

I added a start for the Toporouter chapter in the manual and pushed that
to this topic branch.

Some behaviour of the toporouter still needs to be analysed to conclude
documentation on this chapter.

Oh, and an example with graphics is needed ;-)

Kind regards,

Bert Timmerman.

BTW: I hope to merge this additions to master soonish.

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https://bugs.launchpad.net/bugs/699012

Title:
  File format documentation out-of-date

Status in gEDA project:
  New
Status in pcb:
  In Progress

Bug description:
  The documentation for Element Files (and probably
  layout files as well) is outdated and does not
  correctly list the fields.

  Element[flags description layoutname(REFDES) value x y
  text_x text_y textdirection textscale textflags]

  Pin[x y thickness clearance mask drillinghole name
  pinnumber flags]

  Pad[x1 y1 x2 y2 thickness clearance mask name pinnumber
  flags]
     flags |= 0x0100 for rectangular pad
     thickness is added to the length as well as the
  length of
     a line.   If a pad is wider than it is long, width
  and length
     must be swapped and coordinates recalculated. 
     Square pads may not be possible at all as they require
     a zero length line.
      
  ElementLine[x1 y1 x2 y2 thickness]

  ElementArc[x y width height angle delta thickness]

  Mark() is obsolete.

  The meaning of clearance and mask needs to be explained
  adequately.  Is it a radius, diameter, or a delta?  
  Mask I assume applies to soldermask.  What does
  clearance apply to?  polygons?  all other copper? 
  silkscreen? How does it interact with DRC settings?

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