gEDA-user: [pcb] embedding raster image size in png exports

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Can PCB export raster files like the png with an embedded image size so 
that print software can recognize a 1:1 scale?


I can get images exported at the right raw pixel dimensions I want, but 
when I open them in other applications, they come up as 72 dpi, making 
them way out of scale, and usually auto-scaled to fit either the paper 
of the screen ... blah.  Any advice on getting raw prints out of this 
beast at 1:1 would be great.


Also, out of curiosity, what does xy-max that appears in the png 
export dialog in PCB do?


Phil Taylor


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Re: gEDA-user: [pcb] embedding raster image size in png exports

[DJ Delorie]

 Also, out of curiosity, what does xy-max that appears in the png
 export dialog in PCB do?

It limits the size of the image to NxN pixels, but maintains the
aspect ratio.  For example, if you set it to 400, a 6000x8000 mil
board would yeild a 300x400 image, but a 6000x4500 board yeilds a
400x300 image.

This is good for bulk-converting to web page thumbnails.


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