opening xxx.pat files

[Angelo Moreschini]

Hi,

I got a file with suffix .pat (the extension is a Pattern Image file) and,
for what I could know, this kinde of files are used with photoshop...

II haven't photshp, so I looked for knowing how to open this file,  and the
only suggestion that I found was to try (in Linux environment) with GIMP.

I hadn't success in this way, (using GIMP) so I would ask what other I can
try ...

Regards

Thank you

Angelo

[Howard Howell]

Not knowing where you got the .pat file, I have to say that pat files
can mean many things.  for example some logic analyzers use the .pat
extension for their capture files.  Many mainframe and PXI bus testers
use .pat as the extension on digital files used to represent the 1's
and 0's sent to a device undertest.  Some digital simulators use a .pat
extension to show the 1's and 0's used for vhdl analysis.  Some of
these .pat files are text, but many are saved as binary bit patterns
due to the encoding required to represent the states of a digital pin:
    "x" receive, but data invalid
    "H" for the high or 1 state of a pin.
    "L"  for the receive low or 0 state of a pin.
    "1" for driving a 1 to the pin
        "Z" for the high z state, where the pin is essentially open.
    "0" for the drive low or 0 to the pin.
    Some tester capabilities have other codes which make the
patterns very difficult to resolve.
Regards,
Les H.
On Thu, 2015-12-10 at 20:05 +0200, Angelo Moreschini wrote:
> Hi,
>
> I got a file with suffix .pat (the extension is a Pattern Image file)
> and, for what I could know, this kinde of files are used with
> photoshop...
>
> II haven't photshp, so I looked for knowing how to open this file, 
> and the only suggestion that I found was to try (in Linux
> environment) with GIMP.
>
> I hadn't success in this way, (using GIMP) so I would ask what other
> I can try ...
>
> Regards
>
> Thank you
> Angelo
>
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[Michael Schwendt]

On Thu, 10 Dec 2015 20:05:44 +0200, Angelo Moreschini wrote:
> Hi,
>
> I got a file with suffix .pat (the extension is a Pattern Image file) and,
> for what I could know, this kinde of files are used with photoshop...
>
> II haven't photshp, so I looked for knowing how to open this file,  and the
> only suggestion that I found was to try (in Linux environment) with GIMP.
>
> I hadn't success in this way, (using GIMP) so I would ask what other I can
> try ...

You may need to browse documentation a bit more and find out whether there
are differences compared with GIMP's own .pat file format, as it used to
be a plugin that could open Photoshop .pat files in that pattern dialog:

http://registry.gimp.org/node/10879

I don't know what may have changed since then.

[Development discussions related to Fedora]

On 11/12/15 05:05, Angelo Moreschini wrote:
> I got a file with suffix .pat (the extension is a Pattern Image file)
> and, for what I could know, this kinde of files are used with photoshop...

Examine the contents by installing ghex2 hexdump and

Also try: file myfilename
Quite often markers are found within the first 16 bytes or so.

Maybe post the first 10 lines only of ghex2 output, someone may
recognise the format..

[Jon LaBadie]

On Thu, Dec 10, 2015 at 08:05:44PM +0200, Angelo Moreschini wrote:
> Hi,
>
> I got a file with suffix .pat (the extension is a Pattern Image file) and,
> for what I could know, this kinde of files are used with photoshop...
>
> II haven't photshp, so I looked for knowing how to open this file,  and the
> only suggestion that I found was to try (in Linux environment) with GIMP.
>
> I hadn't success in this way, (using GIMP) so I would ask what other I can
> try ...

What does the "file" command say about the .pat file?

$ file *.pat

In file's "magic" file (/usr/share/file/magic)
these comments appear:

# XCF:  file(1) magic for the patterns used in the GIMP (.pat),
  # #       developed by Spencer Kimball and Peter Mattis
  # #       ('Bucky' LaDieu, [e-mail])

So maybe it is a gimp pattern file and not something from photoshop.

jl

[Angelo Moreschini]

I downloaded this file (in the  .zip format)  looking for resources to use
in HTML pages.
In this way, I am sure that this file contains "textures and backgrounds"
to use for building web sites.
*Inside this file should to be stored "in some way" some graphic
components...*

On Internet I read that .pat suffix is the format of PhotoShop..
On Internet I also got suggestion that, in order to use this file, it is
possible to change his format to .bmp, through programs of "format
conversion" ..., but this is not easy to do and, without a little
experience, it is possible to do damages...

1 ----------------------------Looking in the properties of this file it is
wrote :
 "*Binary (application/octet-stream)*"
2 --------------------------- The output of GIMP (when it refuse to open
the file) is :

*Opening
'/data-common/resources/web-pages_DECORATIONS/free-paper-patterns.pat'
failed:GIMP pattern plug-In could not open image*
3 --------------------------- The command line "file" give this output :
[angelo_dev@localhost ~]$ sudo file free-paper-patterns.pat
free-paper-patterns.pat: *data*

​