On Thu, Nov 18, 2010 at 10:01 PM, kai-martin knaak k...@familieknaak.de wrote:
Looks like there is no open 3D exchange format that fits the
need of pcb:
a) render a beautiful image of a populated board
b) integrate pcb in a 3D work-flow to fit the board into some
tight space.
The
Currently, my print command in gschemrc is
(print-command lp -d PDF)
This prints a PDF of the current schematic via cups-pdf.
The PDF file appears in $HOME/PDF/ as
job_1296-untitled_document.pdf
I'd like to replace this with the name of the schematic. The lp command can
set
hi geda-users,
in the process of cnc-milling a pcb with a custom shape using pcb2gcode
[1], i created a polygon on a separate layer. in the following
processing steps, i need a gerber file that contains just that polygon
(without holes for the pins, becaus they don't belong to the outline).
my
sed -e 's/^\tPin/# /' -e 's/^\t\(SymbolLine\|Line\)/# /' -e
's/^Via/# /'
In my windows PCB CAD, I click 'Export Gerber' and click a layer.
If I don't want vias or pins there, I uh,, click a checkbox.
GUIs exist for a reason. This is one of those good reasons.
--
1966 called, wants its
On Nov 19, 2010, at 7:56 AM, timecop wrote:
sed -e 's/^\tPin/# /' -e 's/^\t\(SymbolLine\|Line\)/# /' -e
's/^Via/# /'
In my windows PCB CAD, I click 'Export Gerber' and click a layer.
What if there's no checkbox for the function you need?
If I don't want vias or pins there, I uh,,
On Fri, 19 Nov 2010 23:56:50 +0900
timecop time...@gmail.com wrote:
In my windows PCB CAD
I think the OP wants information about gEDA's PCB editor and not your
PCB CAD.
Your comment is irrelevant.
--
Kovacs Levente leventel...@gmail.com
Voice: +36705071002
On Fri, 2010-11-19 at 23:56 +0900, timecop wrote:
sed -e 's/^\tPin/# /' -e 's/^\t\(SymbolLine\|Line\)/# /' -e
's/^Via/# /'
In my windows PCB CAD, I click 'Export Gerber' and click a layer.
If I don't want vias or pins there, I uh,, click a checkbox.
GUIs exist for a reason. This is
http://www2.eng.cam.ac.uk/~pcjc2/geda/pcb+gl_3d/pcb+gl_3d_packages_mockup3.png
http://www2.eng.cam.ac.uk/~pcjc2/geda/pcb+gl_3d/pcb+gl_3d_packages_mockup4.png
Perhaps pixel shaders and bump mapping is a little overkill for a few
resistors, but it has kept me amused for a while.
I'm working on a
chrysn chr...@fsfe.org writes:
hi geda-users,
in the process of cnc-milling a pcb with a custom shape using pcb2gcode
[1], i created a polygon on a separate layer. in the following
processing steps, i need a gerber file that contains just that polygon
(without holes for the pins, becaus
On Fri, 2010-11-19 at 01:29 +0100, kai-martin knaak wrote:
Peter Clifton wrote:
stl (very nice)
IMHO, stl is a mesh only format. That is, everything is made of
triangles -- no squares, no circles, no real curvatures. There are
no macros, no loops, or repetitions.
That suits me just
On Fri, 2010-11-19 at 17:21 +, Peter Clifton wrote:
http://www2.eng.cam.ac.uk/~pcjc2/geda/pcb+gl_3d/pcb+gl_3d_packages_mockup3.png
http://www2.eng.cam.ac.uk/~pcjc2/geda/pcb+gl_3d/pcb+gl_3d_packages_mockup4.png
Wow, they look amazing!
Perhaps pixel shaders and bump mapping is a little
On Fri, 2010-11-19 at 17:30 +, Richard Barlow wrote:
On Fri, 2010-11-19 at 17:21 +, Peter Clifton wrote:
http://www2.eng.cam.ac.uk/~pcjc2/geda/pcb+gl_3d/pcb+gl_3d_packages_mockup3.png
http://www2.eng.cam.ac.uk/~pcjc2/geda/pcb+gl_3d/pcb+gl_3d_packages_mockup4.png
Wow, they look
On Fri, 2010-11-19 at 06:15 -0500, Patrick Doyle wrote:
Not knowing anything of which I speak (write?), would COLLADA
(https://collada.org/mediawiki/index.php/COLLADA_-_Digital_Asset_and_FX_Exchange_Schema)
fit the bill? I just happened to stumble across it last week on
something totally
On Fri, 2010-11-19 at 17:43 +, Peter Clifton wrote:
On Fri, 2010-11-19 at 06:15 -0500, Patrick Doyle wrote:
Not knowing anything of which I speak (write?), would COLLADA
(https://collada.org/mediawiki/index.php/COLLADA_-_Digital_Asset_and_FX_Exchange_Schema)
fit the bill? I just
On Tuesday 16 Nov 2010 11:09:34 timecop wrote:
With TopoR having a freeware version for 2 layers and up to 256 nets
(or some other fairly high for 'hobby' use limitation), there's not
really any point on bothering improving built in autorouter...
Even this single sentence contains so many
On Fri, Nov 19, 2010 at 1:23 PM, Peter Clifton pc...@cam.ac.uk wrote:
On Fri, 2010-11-19 at 17:43 +, Peter Clifton wrote:
On Fri, 2010-11-19 at 06:15 -0500, Patrick Doyle wrote:
Not knowing anything of which I speak (write?), would COLLADA
On Fri, 19 Nov 2010 17:27:45 +
Peter Clifton pc...@cam.ac.uk wrote:
On Fri, 2010-11-19 at 01:29 +0100, kai-martin knaak wrote:
Peter Clifton wrote:
stl (very nice)
IMHO, stl is a mesh only format. That is, everything is made of
triangles -- no squares, no circles, no real
On 11/19/2010 03:06 PM, Colin D Bennett wrote:
Through-hole parts tend to have more round
shapes that would be much more expensive to accurately model with
triangle meshes: cylindrical resistors, disc-shaped ceramic capacitors,
etc.
STL seems to work fine for those shapes - your tool just
On Fri, 19 Nov 2010 15:24:05 -0500
Patrick Doyle wpds...@gmail.com wrote:
On Fri, Nov 19, 2010 at 1:23 PM, Peter Clifton pc...@cam.ac.uk
wrote:
On Fri, 2010-11-19 at 17:43 +, Peter Clifton wrote:
Perhaps it ranks as nice to have, especially if there is some
good modelling software
On Fri, 2010-11-19 at 15:24 -0500, Patrick Doyle wrote:
So then why not use COLLADA and blender? (I'm not trying to push for
this, or to pick a fight, I'm just curious and trying to learn
something totally new to me.)
1. KiCad
2. VRML is easier to implement perhaps?
3. Blender can also save
On Fri, 2010-11-19 at 13:06 -0800, Colin D Bennett wrote:
That suits me just fine.. OpenGL _likes_ rendering triangles, and any
other geometry primitives are extra work to implement ;)
But wouldn't support for higher-level shapes be superior to triangle
meshes for high-quality renderings
On Fri, 2010-11-19 at 14:07 -0800, Colin D Bennett wrote:
It has to be mentioned that Blender is free and open source but Google
Sketchup is not.
I took that as known, but I don't disprove of using good commercial
software to do a job. I find Blender quite challenging to work with.
--
Peter
Am 19.11.2010 23:07, schrieb Colin D Bennett:
It has to be mentioned that Blender is free and open source but Google
Sketchup is not.
Let's not forget other free software, like wings3d, which may be less
powerful compared to blender, but is much more newbie-friendly, and
quite good for
Hi:
El 19/11/10 23:07, Colin D Bennett escribió:
On Fri, 19 Nov 2010 15:24:05 -0500
Patrick Doylewpds...@gmail.com wrote:
On Fri, Nov 19, 2010 at 1:23 PM, Peter Cliftonpc...@cam.ac.uk
wrote:
On Fri, 2010-11-19 at 17:43 +, Peter Clifton wrote:
Perhaps it ranks as nice to have,
On 20/11/10 10:02, Peter Clifton wrote:
On Fri, 2010-11-19 at 13:06 -0800, Colin D Bennett wrote:
That suits me just fine.. OpenGL _likes_ rendering triangles, and any
other geometry primitives are extra work to implement ;)
But wouldn't support for higher-level shapes be superior to
On Sat, 2010-11-20 at 11:01 +1100, Russell Shaw wrote:
Are you using a spatial data structure to omit emitting polygons
for off-screen components?
PCB does that (spatial data-structures) already for rendering layers, so
yes. With the 3D perspective view, I fall back to rendering the whole
It looks like you are almost to the next step, but probably the
biggest value of having good 3d representations is the ability to do
clearance checking as a DRC. This is not just visualization, it is
rule-driven placement and flagging of errors when you place components
in conflict with each
On 20/11/10 11:43, kai-martin knaak wrote:
John Griessen wrote:
STL seems to work fine for those shapes - your tool just chooses
triangles that are long and skinny to accurately model the side
of a cylinder for instance.
... and the file size explodes. If the wires of thru hole components
Peter Clifton wrote:
I'm coming round to the idea that 3D is more than just eye candy
if we do it nicely.
yes!
It helps visualise component placement and layout issues
far more readily than just looking at flat layers can do.
Even better: It aids the process of enclosing design in a very
Peter Clifton wrote:
I'm sure one day we'll be able to export the whole thing to a format
which can be used in blender for those times you need super
realistic renderings ;)
VRML is already such a format :-)
I wish I knew blender
This close-up of a laser diode package shows what blender
On Sat, 2010-11-20 at 11:59 +1100, Russell Shaw wrote:
If fewer polygons are used but with decent shading, the main effect
is that the silhouette has a few visible corners. That wouldn't matter
much for resistors.
http://en.wikipedia.org/wiki/Gouraud_shading
Bert Timmerman wrote:
http://openscad.org/
And the beginning of an OpenSCAD exporter for pcb, on top of a recent
(current) clone of the pcb git repository:
https://github.com/bert/pcb-openscad
Please give me your thoughts and opinions on both.
I see a nice way to produce 3D models
On Sat, 2010-11-20 at 02:39 +0100, kai-martin knaak wrote:
Did I mention, that mesh formats are a one way road, when it
comes to construction?
(Please tell me, that I don't need to make that point over and over
again ;-)
Got it ;)
--
Peter Clifton
Electrical Engineering Division,
Peter Clifton wrote:
when PCB+GL+3D lands and users start creating models).
^
I'd love to see PCB+GL enter the main repo rather than wait until
3D is mature enough, too.
---)kaimartin(
--
Kai-Martin Knaak
Öffentlicher PGP-Schlüssel:
On Fri, 2010-11-19 at 23:43 +0100, Philipp Klaus Krause wrote:
Let's not forget other free software, like wings3d, which may be less
powerful compared to blender, but is much more newbie-friendly, and
quite good for modelling (which it focuses on more than blender). AFAIK
it has wuite a
On Sat, 2010-11-20 at 03:00 +0100, kai-martin knaak wrote:
Peter Clifton wrote:
when PCB+GL+3D lands and users start creating models).
^
I'd love to see PCB+GL enter the main repo rather than wait until
3D is mature enough, too.
I've been slowly tinkering with
Paul Tan wrote:
(get-selected-filename) is a Gschem Scheme procedure which
returns the current page filename as string.
Unfortunately, my gschem segfaults right away, if gschemrc contains the
(get-selected-filename) procedure. It segfaults even if the line is
reduced to
(define name
On Sat, 2010-11-20 at 02:05 +, Peter Clifton wrote:
Wings3D can export to most if not all the formats I'm interested in, but
now you make me feel stupid.. I couldn't figure out how to get started
with it other than opening existing models. Since you say it is newbie
friendly, I'll go back
3D renderings of through-hole components is great and all, but this IS
2010, anyone still using through-hole stuff can just use Fritzing or
something. How about adding relevant features to PCB, like boolean
operations on copper pours that aren't a hack or ... hey, who am I
kidding.
-tc
On Sat,
On 11/19/2010 07:18 PM, kai-martin knaak wrote:
Paul Tan wrote:
(get-selected-filename) is a Gschem Scheme procedure which
returns the current page filename as string.
Unfortunately, my gschem segfaults right away, if gschemrc contains the
(get-selected-filename) procedure. It
Hi Kai-Martin Knaak,
Oh, I remember there is a bug in the gschem/src/g_funcs.c file.
You may want to change the get_selected_filename function
in g_funcs.c file, (around line number 299), as follows:
/*
= */
SCM
Hi Kai-Martin Knaak,
(depending on your email system, some lines in the
code below may be just a long single line. So I am
re-sending with the fix for this. Hope it
comes out ok now)
Oh, I remember there is a bug in the gschem/src/g_funcs.c file.
You may want to change the get_selected_filename
John Doty wrote:
Well, it shouldn't segfault, but I'm not surprised you can't
evaluate it in gschemrc before there is a selected file. What
did you expect to happen?
From the doxygen comment:
* This function gets the whole filename of the current schematic.
* Specifically, the
Paul Tan wrote:
Hope it helps.
I still get segfaults. My get_selected_filename procedure
looks like this now:
/---
SCM get_selected_filename(GSCHEM_TOPLEVEL *w_current)
{
gchar* s;
SCM return_value;
exit_if_null(w_current);
s =
On 11/19/2010 08:59 PM, kai-martin knaak wrote:
John Doty wrote:
Well, it shouldn't segfault, but I'm not surprised you can't
evaluate it in gschemrc before there is a selected file. What
did you expect to happen?
From the doxygen comment:
* This function gets the whole filename
Say,
does anyone know how to get spice-sdb or the like to pass non-default port
types to ngspice for the xspice code models? Most of the standard code
models default to single ended sources eg. %v(1) where the %v() is
optional, but often you want a differential input. This means you double
On Friday 19 November 2010 12:22:05 Kai-Martin Knaak wrote:
I'd like to replace this with the name of the schematic. The lp command can
set the base name of the file with the option -t. But how would I teach
gschemrc to automatically fill in the file name of the current schematic?
Is there
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