Re: gEDA-user: PCB Realign Grid

2010-03-22 Thread Stefan Salewski
On Mon, 2010-03-22 at 12:42 +1100, Geoff Swan wrote:
 I am having some trouble with pcb View - Align Grid. I am trying to
 use it to align the snap grid to a component pin. However it is not
 having any effect. I have tried various permutations of adjusting grid
 size and units - turning snap to pin on and off and anything else that
 I thought may potentially have an impact. I also tried closing and
 re-opening and starting a new layout adding a single footprint then
 trying to realign to that. Perhaps I am misunderstanding how Align Pin
 is intended to function.
 
 cheers,
 
 Geoff
 
 
 (I am using the pcjc2 -gl before pours branch with the polygon.c
 #define adjustment and the latest toporouter.c updates)
 

Never used pcb View - Align Grid.
What may be the intended function? My guess: If you realign grid, all
other components will become off grid.

What I did: Align the new component to the grid, by grabbing its center
or a single pin. For aligning a single pin it may be necessary/helpful
activating Settings/Orthogonal Moves.




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Re: gEDA-user: PCB Realign Grid

2010-03-22 Thread Kai-Martin Knaak
On Mon, 22 Mar 2010 12:42:37 +1100, Geoff Swan wrote:

 I am having some trouble with pcb View - Align Grid. I am trying to use
 it to align the snap grid to a component pin. However it is not having
 any effect.

I can confirm, that realign grid does not do anything useful with the 
default configuration of pcb (GTK-GUI). However, with the lesstif GUI 
realign grid works as advertised in section 3.1.2 of the pcb manual: When 
choosing the new align point, the crosshair still locks to the old grid, 
but the cursor points to the new grid point. 

With both GUIs the realign entry in the menu executes GetXY(). Perhaps 
this is an inconsistency between GTK-GUI and lesstif-GUI: With GTK the 
action GetXY() returns the position of the cross hair. By contrast, with 
lesstif the same action returns the position of the cursor.

By the way, the option --draw-grid does not work for either GUI.

---)kaiamrtin(---
-- 
Kai-Martin Knaak  tel: +49-511-762-2895
Universität Hannover, Inst. für Quantenoptik  fax: +49-511-762-2211 
Welfengarten 1, 30167 Hannover   http://www.iqo.uni-hannover.de
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Re: gEDA-user: PCB Realign Grid

2010-03-22 Thread Geoff Swan
 Never used pcb View - Align Grid.
 What may be the intended function? My guess: If you realign grid, all
 other components will become off grid.

 What I did: Align the new component to the grid, by grabbing its center
 or a single pin. For aligning a single pin it may be necessary/helpful
 activating Settings/Orthogonal Moves.

I use the align grid for components that are not based around metric
spacings or vice versa. In this case the first pin is aligned, but
every pin thereafter is increasingly off grid. I like to run a fairly
course grid when doing the bulk of my layout - I find that I can place
and align things fairly quickly. However this hinges on being able to
re-align the grid to different pins/pads so that I can for example put
a via down that is exactly perpendicular to the pad.

 I can confirm, that realign grid does not do anything useful with the
 default configuration of pcb (GTK-GUI). However, with the lesstif GUI
 realign grid works as advertised in section 3.1.2 of the pcb manual: When
 choosing the new align point, the crosshair still locks to the old grid,
 but the cursor points to the new grid point.

Cheers, I will have a bit of a play with the lesstif GUI. I had
thought that the locking to grid may have been an issue - but I had
hoped that would be overridden by the fact that the cross-hair was
snapping to the pin/pad. I was also careful to ensure the curser was
at the same point, so in theory either returning the cross-hair or the
curser location should have resulted in a change.

thanks heaps for the responses,


Geoff


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Re: gEDA-user: ten pages of command line options

2010-03-22 Thread DJ Delorie

I think there needs to be a way to specify the sort key and section
heading separately, as bom-Options is not a good text for a section
heading.

Perhaps a mapping between sort key and section heading could be found
once, rather than have to include both for every option?


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