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'[EE] Silkscreen graphics in Eagle?'
2005\05\30@151415 by PicDude

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Anyone know how to import a graphic image (bmp, gif, etc) into Eagle, so it
appears on any of the Silkscreen layers?

Thanks,
-Neil.


2005\05\30@153854 by olin_piclist

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PicDude wrote:
> Anyone know how to import a graphic image (bmp, gif, etc) into Eagle,
> so it appears on any of the Silkscreen layers?

I don't think that can be done.  Eagle layers are inherently vector, while
the image files you mention are raster.

You only get 1 bit per pixel anyway, and pixel resolution would be rather
course.  That means you're not going to reproduce fancy graphics anyway.
Given that, the best bet is probably to reproduce the desired graphic in
Eagle using its high level primitives.

If you really have your mind set on doing this, you could write a program
that converts the image to 1 bit per pixel, then writes an Eagle script with
a bunch of rectangle commands.  Keep in mind that ink pressure probably
makes each white pixel bigger than the black ones.  The board house may also
refuse to do your board because this will waste a lot of time in
photoplotting.


*****************************************************************
Embed Inc, embedded system specialists in Littleton Massachusetts
(978) 742-9014, http://www.embedinc.com

2005\05\30@161907 by Glenn Jones

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I'm not sure, but I had thought there was a ULP to do this. Check
through the ULP directory to see what you can find. Also try a
websearch.

On 5/30/05, PicDude <spam_OUTpicdude2TakeThisOuTspamnarwani.org> wrote:
> Anyone know how to import a graphic image (bmp, gif, etc) into Eagle, so it
> appears on any of the Silkscreen layers?
>
> Thanks,
> -Neil.
>
>
> -

2005\05\30@162133 by Wouter van Ooijen

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> Anyone know how to import a graphic image (bmp, gif, etc)
> into Eagle, so it
> appears on any of the Silkscreen layers?

I did that once, using import-bmp.ulp

Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: http://www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: http://www.voti.nl/hvu


2005\05\30@162542 by Wouter van Ooijen

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> > Anyone know how to import a graphic image (bmp, gif, etc)
> > into Eagle, so it
> > appears on any of the Silkscreen layers?
>
> I did that once, using import-bmp.ulp

result: http://www.voti.nl/wisp628/kit/a1-big.jpg (de whasp in the
upper-left corner).

Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: http://www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: http://www.voti.nl/hvu



2005\05\30@164634 by PicDude

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On Monday 30 May 2005 03:21 pm, Wouter van Ooijen scribbled:
> > Anyone know how to import a graphic image (bmp, gif, etc)
> > into Eagle, so it
> > appears on any of the Silkscreen layers?
>
> I did that once, using import-bmp.ulp
>
> Wouter van Ooijen



And to think how much time I spent looking for this on Cadsoft's website, when
it was right under my nose. Thanks!

Cheers,
-Neil.


2005\05\30@164948 by phil B

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I don't think eagle does it but I'd look at adding a
bitmap to the gerbers.  Pentalogix viewmate can import
hpgl so, in theory (yeah, I know...), you could add an
hpgl image to a gerber.  Getting an HPGL image is an
exercise left to the student.  

Caveat - never tried it but am interested for obvious
reasons.

Phil


--- PicDude <.....picdude2KILLspamspam@spam@narwani.org> wrote:
> Anyone know how to import a graphic image (bmp, gif,
> etc) into Eagle, so it
> appears on any of the Silkscreen layers?
>
> Thanks,
> -Neil.
>
>
> --

2005\05\30@170025 by phil B

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wow, wish I'd waited a minute before responding.
import-bmp.ulp actually works.


--- Glenn Jones <lynxlabspamKILLspamgmail.com> wrote:
{Quote hidden}

2005\05\30@175212 by William Chops Westfield

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>> Anyone know how to import a graphic image (bmp, gif, etc) into Eagle,
>> so it appears on any of the Silkscreen layers?

There are some tools in the Eagle download area.  For instance:

BMP2EAGLE converts monochrome bitmap (.BMP) files to a script readable
by EAGLE.
It does this by simply converting pixels to rectangles. You can use
this for
adding logos or special drawings directly on your board or schematic
layout.

(that doesn't sound particularly promising, IMO, but YMMV.)

Really, though.  One of the big advantages of Eagle (IMO) is that
compared to
other programs available at similar cost and terms, the level of
support available
from Cadsoft (via their website and news forums) is quite exceptional.  
If you
download and try to use eagle without taking a good skim through their
site and
newsgroups, you're missing half of the product...  (and they fix bugs,
too!)

BillW

2005\05\30@193124 by Bob Ammerman

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You might be able to do something more reasonable with a vector based
windows metafile than a bitmap.

It could, in theory at least, be converted to an eagle script file to define
polygons, etc to draw the image.

Bob Ammerman
RAm Systems

2005\05\31@033923 by Howard Winter

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On Mon, 30 May 2005 15:38:51 -0400, Olin Lathrop wrote:

> you could write a program
> that converts the image to 1 bit per pixel

Any graphics manipulation program should be able to do
this, simply by converting to monochrome (and saving it
as a bitmap, fairly obviously).

Cheers,


Howard Winter
St.Albans, England


2005\05\31@072911 by olin_piclist

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Howard Winter wrote:
>> you could write a program
>> that converts the image to 1 bit per pixel
>
> Any graphics manipulation program should be able to do
> this, simply by converting to monochrome (and saving it
> as a bitmap, fairly obviously).

Right, but your ordinary graphics program won't do the rest of what I was
talking about and you snipped.  This was writing out the pixels to an Eagle
script as rectangle commands.


*****************************************************************
Embed Inc, embedded system specialists in Littleton Massachusetts
(978) 742-9014, http://www.embedinc.com

2005\05\31@074942 by vasile surducan

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import_bmp.ulp

Scale the bitmap using maximum 16 colors. The working layers for this
will start automatically with the layer200. When create the silk
screen don't forget to mark the bitmap layer you need ( ie 200, 201
etc). Also check the thickness of your bitmap details, it must be at
least 10mil else will be invisible on gerber tool.

Vasile

On 5/30/05, PicDude <EraseMEpicdude2spam_OUTspamTakeThisOuTnarwani.org> wrote:
> Anyone know how to import a graphic image (bmp, gif, etc) into Eagle, so it
> appears on any of the Silkscreen layers?
>
> Thanks,
> -Neil.
>
>
> -

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