[Gimp-user] invert not working

2017-06-22 Thread rich2005
>Thanks for answering, Rich. I very much realize I have much to learn
>to use Gimp. I have used Photoshop a bit, by getting the free trial a
>couple of times. Inverts basic meaning, to turn in, is actually very
>similar to flip, the movement can be horizontal or vertical, e.g. to
>invert a series of numbers is to put them in the opposite order. If
>there had been any visual difference when I applied invert, I would
>have seen I needed something else (why it seems to do nothing still
>puzzles me). I do indeed mean to mirror the image. I looked up flip,
>saw the next step to take and had success, thanks.
>
>The image I want to extend the background on is complicated — a
>blacksmith in front of a large forge. For the image to work, the fire
>needs to stay the size it is, while extending everything else. This
>would enable type to be more easily read —  around the fire, instead
>of across it. It looked do-able using LqR. Thanks for a possible other
>source. I gathered there is another, more complicated way to
>accomplish the feat but LqR appeared pretty simple to use for this.


With a small image (credits on the image) plucked from the internet flipping an
image is straightforward

see: http://i.imgur.com/q1NHxFx.jpg

1. Use the flip tool

2. Make sure you are on the active layer with **No** active selection.

3. Need to be on the layer mode and select either Horizontal or vertical

4. Probably the bit you are missing, click on the canvas to implement. 

gives this http://i.imgur.com/sB48eLV.jpg
 
Just a caveat, I use linux so I cannot demo anything 'Mac' However I can do a
little research and the McGimp 2.8.14 from www.partha.com does include many
extras including the liquid-rescale plugin. Worth trying because it also
includes other scripts and plugins such as heal-selection.

In my linux Gimp using liquid rescale might go something like this

http://i.imgur.com/th7NuUv.jpg giving this http://i.imgur.com/qC2Qr3T.jpg

It all depends on the image and the amount of re-sizing. For small-ish amounts,
sometimes possible to re-size the canvas, copy and paste a strip back in and a
bit touching up.

quick try: http://i.imgur.com/8g5qbzz.jpg Again, no hard and fast rules, all
depends on the image/requirements.

rich: www.gimp-forum.net

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[Gimp-user] invert not working

2017-06-22 Thread remadepreacher

Thanks for answering, Rich. I very much realize I have much to learn to use
Gimp. I have used Photoshop a bit, by getting the free trial a couple of times.
Inverts basic meaning, to turn in, is actually very similar to flip, the
movement can be horizontal or vertical, e.g. to invert a series of numbers is to
put them in the opposite order. If there had been any visual difference when I
applied invert, I would have seen I needed something else (why it seems to do
nothing still puzzles me). I do indeed mean to mirror the image. I looked up
flip, saw the next step to take and had success, thanks.

The image I want to extend the background on is complicated — a blacksmith in
front of a large forge. For the image to work, the fire needs to stay the size
it is, while extending everything else. This would enable type to be more easily
read —  around the fire, instead of across it. It looked do-able using LqR.
Thanks for a possible other source. I gathered there is another, more
complicated way to accomplish the feat but LqR appeared pretty simple to use for
this.


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[Gimp-user] invert not working

2017-06-22 Thread remadepreacher
New to Gimp. I have 2.8.22. I have two projects. 1. I simply want to invert a
photo. I was given it by a book designer for my book cover. I had no problem
cropping an edge for the spine in Photos and now want to invert it to match the
front cover. I tried selecting all and then 3 different ways to invert. None
have any effect, except to add "remove invert" to edit. I exported the  photo,
just to be sure — not inverted. Next, I tried adding a layer, then invert — no
effect.
2. I wanted to try Liquid rescale to extend a background. As I'm using OS X,
Wikidots says it should be already in my layer menu — it's not.

Closing gimp, opening and trying again for either — no effect.

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[Gimp-user] invert not working

2017-06-22 Thread rich2005
>New to Gimp. I have 2.8.22. I have two projects. 1. I simply want to
>invert a photo.

You need to define 'invert' I think of inverting the colours, but you might mean
rotating 180 degrees or 'flipping' ie mirroring the image, all different tools.

>2. I wanted to try Liquid rescale to extend a background. As I'm using
>OS X, Wikidots says it should be already in my layer menu — it's not.

For OSX  (not the best of operating systems for Gimp) it depends on the Gimp
package you installed. Liquid Rescale is normally a separate plugin, that you
might compile/install yourself. I think the OSX version from www.partha.com
might include it.

The are various ways of 'extending' a background. It all depends on the image.
Plain colour background? Very complicated background? Lots of colours? Greyscale
image? You need to give details of the 'photo'

>Closing gimp, opening and trying again for either — no effect.

It is not Gimp, it is user inexperience. Gimp is a complicated application with
a steep learning curve. You are not going to become an expert overnight.

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