gEDA-user: Constraint-based PCB footprint design

2011-08-08 Thread Rob Spanton
Hey all, I've recently been playing around with designing footprints by describing a set of constraints that position features relative to each other. This is rather than specifying the absolute co-ordinates of every feature. I've written a small tool that allows this to be done. It pumps out

Re: gEDA-user: Constraint-based PCB footprint design

2011-08-08 Thread Stefan Salewski
On Mon, 2011-08-08 at 03:47 +0100, Rob Spanton wrote: Hey all, I've recently been playing around with designing footprints by describing a set of constraints that position features relative to each other. This is rather than specifying the absolute co-ordinates of every feature.

Re: gEDA-user: Constraint-based PCB footprint design

2011-08-08 Thread Kai-Martin Knaak
Rob Spanton wrote: I've written more information about it in a blog post, where you'll also find a link to the code: https://xgoat.com/wp/2011/08/08/playing-with-footprints-and-constraints/ Nice! This is the way to go. Get rid of grid based design, enter constrains and let the system figure

Re: gEDA-user: Constraint-based PCB footprint design

2011-08-08 Thread John Griessen
On 08/07/11 21:47, Rob Spanton wrote: https://xgoat.com/wp/2011/08/08/playing-with-footprints-and-constraints/ The tool is by no means complete... it's the result of just a few hours work right now. Thanks for sharing that, looks like python style of sub-function.sub-function.function()

Re: gEDA-user: Constraint-based PCB footprint design

2011-08-08 Thread Jasper
I have been thinking about such a footprint editor as well. I think such a parametric sketcher is the way forward. At least it would make drawing footprints much more fun! It might be possible to use code from Sketchflat or pSketcher to obtain this functionality. http://cq.cx/sketchflat.pl

Re: gEDA-user: Constraint-based PCB footprint design

2011-08-08 Thread Kai-Martin Knaak
Stefan Salewski wrote: Do we have a list of all available generators? Would be useful to find the best one for a special type of footprint. IMHO, generators that proved to be useful should be bundled with PCB. This also applies to plug-ins. If this bothers the devs, a seperate goodie package

Re: gEDA-user: Constraint-based PCB footprint design

2011-08-08 Thread Kai-Martin Knaak
Jasper wrote: Another option might be to use a parametric cad program to draw the footprint, export as a dxf or similar and then convert. Did anyone mention freecad? The footprint might be part of a 3D model :-) sourceforge.net/projects/free-cad/ ---)kaimartin(--- -- Kai-Martin Knaak

Re: gEDA-user: Constraint-based PCB footprint design

2011-08-08 Thread Colin D Bennett
On Mon, 08 Aug 2011 03:47:25 +0100 Rob Spanton rspan...@zepler.net wrote: I've recently been playing around with designing footprints by describing a set of constraints that position features relative to each other. This is rather than specifying the absolute co-ordinates of every feature.

Re: gEDA-user: Constraint-based PCB footprint design

2011-08-08 Thread Peter Clifton
On Mon, 2011-08-08 at 03:47 +0100, Rob Spanton wrote: The tool is by no means complete... it's the result of just a few hours work right now. Anyway, I hope either the tool or the concept of the tool might be of use to at least some in the gEDA community. Certainly a feature like this will

Re: gEDA-user: Constraint-based PCB footprint design

2011-08-08 Thread Andrew Poelstra
On Mon, Aug 08, 2011 at 10:48:19PM +0100, Peter Clifton wrote: On Mon, 2011-08-08 at 03:47 +0100, Rob Spanton wrote: The tool is by no means complete... it's the result of just a few hours work right now. Anyway, I hope either the tool or the concept of the tool might be of use to at

Re: gEDA-user: Constraint-based PCB footprint design

2011-08-08 Thread Russell Dill
On Sun, Aug 7, 2011 at 7:47 PM, Rob Spanton rspan...@zepler.net wrote: Hey all, I've recently been playing around with designing footprints by describing a set of constraints that position features relative to each other.  This is rather than specifying the absolute co-ordinates of every