Hi Gary,
What operating system are you using? What version of Gerbv are you
running?
I am on Windows 8.1. I just downloaded a recent build of Gerbv from
SourceForge. It's gerbv 2.6A, built on July 13, 2016.
Both PDF and SVG work for me, (and have worked for at least 3 years)
however, I'm not at all pleased with the results. I won't enumerate all
of the issues.
If you are on Linux or Mac, hopefully the following advice will give you
some idea of what the issues are if you want to print full scale (and at
full resolution) on a printer.
The first thing that I needed to know was the resolution of my printer.
I found the information on a spec sheet, 600 DPI. Perhaps your printer
is nice enough to show the resolution when you print a test page.
Instead of printing the PCB image from Gerbv, I export it to PNG. The
PNG output format is capable of reproducing exactly what you see on the
screen. It's important to set the desired resolution (600 dpi in my
case) down at bottom of the PNG output dialog. The default resolution,
0, results in a really poor rendition of the PCB.
Next I use IrfanView, which is a Swiss Army knife for images.
(Unfortunately, IrfanView is only available on Windows, though with some
fiddling, it has been known to run under Wine on Linux.) On the Image
menu in IrfanView, I select Information. I fill in the Resolution
fields and click on Change. (PNG files include metadata that most
programs, not just Gerbv, fail to fill in.) Depending on what utility
you use to print your PCB image, you may or may not have to do this
step, but it's what works for IrfanView.
Finally, I print from IrfanView. I select "Original size (from image
DPI)" for the "Print size". If you use a different utility, you may
have to do something like specify an image size, based on your board
dimensions.
On Windows anyways, most other utilities that can print PNG files have a
mind of their own, and they won't do what you tell them to do, even if
they have the options to do so. IrfanView is the only program that I
have found that doesn't misbehave.
Regards, Linda
Post by Gary DentHi All,
I have some gerber files for a PCB that I am making.
I want to print off the files that I have in gerbv in a 1:1 ratio.
How can I do this? Also, I am finding that the exporting of the file to
SVG/Postscript format is not functional.
Has any-one else had this problem?
Regards
Gary Dent
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