Re: gEDA-user: Enhancements for gEDA/pcb G-code export

2010-10-23 Thread Markus Hitter
Am Freitag, den 22.10.2010, 23:54 +0200 schrieb Markus Hitter:
 
 https://sourceforge.net/tracker/?func=detailaid=3093302group_id=161080atid=818428
 
 Traumflug's wishlist in the Patches section, in case this long link
 doesn't work.

New patches today:

HID-gcode: remove a leftover debug-printf.

HID-gcode: provide info about drill diameters in G-code as well.
While this is currently unsorted, it's helpful for hand-editing
already.

HID-gcode: sort drills not only by distance, but also by diameter.
This should help greatly when using a tool changer. Next step
would be to actual insert tool change commands and/or split
G-code output files by drill diameter. The later is for
manual tool changing, then.

HID-gcode: report one drill diameter only once in the output file.

Cheers,
Markus




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Re: gEDA-user: Enhancements for gEDA/pcb G-code export

2010-10-23 Thread Markus Hitter


Hi again :-)

Hacking pcb is so much fun, I'm already close to the part where I  
want to implement milling of non-track stuff. Like the board's  
outline, like venting holes, like bigger bores.


Likely the best idea would be to search for such geometry on a  
milling layer. I also think it's best to ignore line thicknesses  
for such tasks and to simply move the mill bit along the line's or  
arc's center. Set the line width to the mill bit's diameter and the  
display is accurate.


One question arises is, how to decide wether to flip the geometry or  
not. Single-sided boards are manufactured from the bottom side only,  
so flipping would be undoubtly appropriate. Is there a need for  
milling from the top side, after all? If I put the milling layer into  
the solder side and component side groups for distinction, this  
disturbs all the tracks, right?


Another one is, is there a GUI way to create lines outside the board?  
Milling the outer border of the board is always done from outside the  
board, after all.


Any comments are welcome


Markus

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Dipl. Ing. (FH) Markus Hitter
http://www.jump-ing.de/







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Re: gEDA-user: Enhancements for gEDA/pcb G-code export

2010-10-23 Thread kai-martin knaak
Markus Hitter wrote:

 Another one is, is there a GUI way to create lines outside the
 board?

1) make the canvas larger
File - Preferences - Sizes

2) Move the layout by some amount to the bottom right. Select all
and drag with the mouse. 

3) Add a layer outline and draw the borders of the board with a 
closed trail of lines. The width of the tracks does not matter.

4) draw lines outside the outline :-)
 

http://geda.seul.org/wiki/geda:pcb_tips#how_do_i_make_a_board_outline_to_go_with_my_gerbers_to_the_board_maker

If you wish to have the outline layer by default, start new
projects by calling pcb with a not yet existing pcb file. 
The layer stack of the project created this way is read from 
$HOME/.pcb/preferences and can be edited to suit to your needs.
Look for the lines starting with groups or layer-name.  

By contrast, the default layers gsch2pcb uses are hard coded
into the source.

Hope, this helps.

--)kaimartin(---
-- 
Kai-Martin Knaak
Öffentlicher PGP-Schlüssel:
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