I actually go through this process frequently--I create a webcomic, and I
like to work on a large file (about 3000x4000). To publish it to the web I
resize to 750 px wide. I like to have both copies, but a Resize-on-Export
function would be helpful for me. In order to preserve the xcf and not
accidentally lose that large-size data, my current workflow is:
Save the xcf
Export it, full-size
Open the export (usually a png)
Resize the png
export the png to another file name.

I can do that fairly quickly with keyboard shortcuts, but if I were to have
the option to resize, I could create both copies (large-size and
small-size) from the original xcf.


On Mon, Jan 13, 2014 at 10:43 AM, Mark Morin <mdmp...@gmail.com> wrote:

> Why aren't you scaling it before you export it? Undo the scale or don't
> save the scaled xcf? It seems to me that you would want to minimize any
> possible (even if trivial) distortion by editing the exported (flattened)
> image rather than what you are actually working on.
>
>
> On 1/13/2014 11:27 AM, Helen wrote:
>
>>   which buttons exactly did you press in GIMP so that you no longer
>> saw it?
>> In other words tell us exactly what you're doing, in both versions of
>> gimp
>>
>> ok
>>
>> First In gimp 2.6:
>> open or create new file. Name it.
>>
>>      I now have (e.g.) village.xcf
>>
>> Work on it for weeks, saving every few minutes with
>>
>>    file > save
>>
>> I now have village.xcf with all layers preserved
>>
>> I finish the picture, and do two steps:
>>
>>    file > save, and then
>>
>>    file > SaveAs > village.png
>>
>> I now have two copies of my creation, one with layers, and one flattened.
>>
>> The village.png is now the one I see on my screen; title bar confirms
>>
>> I then do
>>
>>    Image > scale image > change X & Y resolution to 72 and pixel to some
>> small size
>>
>>   and click Scale.
>>
>> I now have one large village.xcf with all properties preserved,and one
>> small flattened village.png for mailing or uploading.
>>
>> All is well. ( For those who keep saying you were never able to do this, I
>> posted a screen shot
>>
>> at   http://helenofmarlowe.wordpress.com/2013/09/10/usinggimp/
>>
>> showing that yes, in 2.6, you could see and work on the "saved as" image.
>> click screenshot image to enlarge)
>>
>>
>>
>>   Now, in gimp 2.8
>>
>> open or create new file. Name it.
>>
>>      I now have (e.g.) village.xcf
>> Work on it for weeks, saving every few minutes with
>>      file > save
>>
>> I now have village.xcf with all layers preserved
>> I finish the picture, and do two steps:
>>
>>     file > save, and then
>>
>>     file > export
>>
>> I now have a flattened image named village.png
>>
>> So I need to scale it, make it small enough to email or upload
>>
>> But unlike in 2.6, I can’t simply proceed to do that. I have to re-open
>> village.png
>>
>> ( Can't work on an image that's now showing on the monitor)
>>
>> So I go to
>>
>>     File > Open Recent > and click village.png
>>
>> But of course when it opens it's no longer png
>> It opens as [village](imported)
>>
>> Now I can of course scale this one down, but I can't save it as png
>>
>> so I have to export it again after I scale it.
>>
>> But then I have to rename it because I already have a village.png.
>>
>> Is this the intended work flow for creating a small, flattened png copy of
>> a large multi-layerd xcf?
>>
>> It seems to be creating difficulties for a number of users. I don't think
>> we'd have had this mountain of complaints over something as trivial as an
>> unwanted save warning.
>>
>>
>>
>> On Fri, Jan 10, 2014 at 4:26 PM, Liam R E Quin <l...@holoweb.net> wrote:
>>
>>  On Fri, 2014-01-10 at 15:19 -0500, Helen wrote:
>>>
>>>> Ok, I'm trying, but this just doesn't make sense to me.
>>>> You're saying I was never able to see my file after I "save as" to png
>>>> or
>>>> jpg, in
>>>> prior versions of GIMP.
>>>>
>>> Helen, I think what's going on here is a question of people using words
>>> differently, or more or less precisely.
>>>
>>> None of us can "see" files unless we take apart the computer, get out a
>>> microsocope, and look at the surface of the disk.  No, I'm not being a
>>> smart-ass :-), what I mean is this:
>>>
>>> The only way we "see" a file normally is if some program or other shows
>>> it to us.
>>>
>>> So when you say a file disappears, or you can't see a file, please tell
>>> us where exactly you were seeing it before - on the deskop? In a gimp
>>> window? On the list of programs at the bottom of your screen?
>>>
>>> Then, which buttons exactly did you press in GIMP so that you no longer
>>> saw it? E.g. don't say, "I saved it", say,
>>> In gimp 2.8,
>>> (1) choose file->quit
>>> (2) when the prompt appears, "if you quit you will lose 20 hours of
>>> work", press "save"
>>> (3) now gimp is no longer displaying my file and has gone away.
>>> In gimp 2.6,
>>> (1) choose file->save
>>> (2) select a filename "happyboy.jpg" and press OK
>>> (3) press OK to save the file
>>> (4) GIMP is still displaying the file and the title of the window says
>>> "happyboy.hpg"
>>>
>>> In other words tell us exactly what you're doing, in both versions of
>>> gimp, as if you were telling someone else sitting at your desk how to
>>> operate the computer. Then say what you expected to see, what you
>>> actually saw, and what exactly was the difference.
>>>
>>> If it's a bug we's like to understand and fix it.
>>>
>>> if it's a problem with the manual, or a place where GIMP is harder to
>>> use than it could be, we'd like to know that too.
>>>
>>> I love your drawings, by the way.
>>>
>>> Liam
>>>
>>>
>>> --
>>> Liam Quin - XML Activity Lead, W3C, http://www.w3.org/People/Quin/
>>> Pictures from old books: http://fromoldbooks.org/
>>> Ankh: irc.sorcery.net irc.gnome.org freenode/#xml
>>>
>>>
>>>
>>
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