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| Computers Forum Index » Computer - Graphics - Applications (Photoshop) » How to create clipping paths in JPG image?... |
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| Burt Johnson... |
Posted: Mon Sep 14, 2009 12:39 pm |
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I have seen some images claim to have "clipping paths" (from which I
assume they mean a mask path) yet the image is a JPG file.
How is that done, and how can it be used?
--
- Burt Johnson
MindStorm, Inc.
http://www.mindstorm-inc.com/software.html |
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| turbo... |
Posted: Mon Sep 14, 2009 1:50 pm |
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| Ofnuts... |
Posted: Mon Sep 14, 2009 1:54 pm |
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Burt Johnson wrote:
Quote: I have seen some images claim to have "clipping paths" (from which I
assume they mean a mask path) yet the image is a JPG file.
How is that done, and how can it be used?
I don't think it can be done. But in many cases you can get away with a
file that looks like a JPG outside (name in *.JPG) but is actually
something else inside, using a format which supports clipping (GIF or
PNG), by just renaming a .GIF/.PNG to .JPG (but why would one do that?).
--
Bertrand |
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| Burt Johnson... |
Posted: Mon Sep 14, 2009 8:00 pm |
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turbo <turbo at (no spam) nospam.yahoo.co.uk> wrote:
Just what I was looking for -- thx!
Now a strange turn though -- My Photoshop CS4 does not have JPG as an
option for saving. I have been doing that conversion in Lightroom.
1) I wonder if saving as PSD and having Lightroom save as JPG will keep
that path?
2) I wonder why the heck PS CS4 doesn't have JPG as an option? CS2 and
prior versions had it... (I skipped CS3 so don't know there)
--
- Burt Johnson
MindStorm, Inc.
http://www.mindstorm-inc.com/software.html |
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| tony cooper... |
Posted: Mon Sep 14, 2009 10:15 pm |
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On Mon, 14 Sep 2009 09:00:44 -0700, burt at (no spam) mindstorm-inc.com (Burt
Johnson) wrote:
Quote: turbo <turbo at (no spam) nospam.yahoo.co.uk> wrote:
I have seen some images claim to have "clipping paths" (from which I
assume they mean a mask path) yet the image is a JPG file.
How is that done, and how can it be used?
See http://www.bigstockphoto.com/core.php?showpage=help_clippingpaths
Just what I was looking for -- thx!
Now a strange turn though -- My Photoshop CS4 does not have JPG as an
option for saving. I have been doing that conversion in Lightroom.
Yeah, it does. If the .jpg option does not appear, then the file has
multi-layers. You must flatten before saving as a .jpg. Or, if you
want to keep the multi-layered file, flatten and then "save as" a
..jpg. The multi-layered file is retained.
--
Tony Cooper - Orlando, Florida |
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| Savageduck... |
Posted: Mon Sep 14, 2009 10:22 pm |
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On 2009-09-14 09:00:44 -0700, burt at (no spam) mindstorm-inc.com (Burt Johnson) said:
Quote: turbo <turbo at (no spam) nospam.yahoo.co.uk> wrote:
I have seen some images claim to have "clipping paths" (from which I
assume they mean a mask path) yet the image is a JPG file.
How is that done, and how can it be used?
See http://www.bigstockphoto.com/core.php?showpage=help_clippingpaths
Just what I was looking for -- thx!
Now a strange turn though -- My Photoshop CS4 does not have JPG as an
option for saving. I have been doing that conversion in Lightroom.
1) I wonder if saving as PSD and having Lightroom save as JPG will keep
that path?
2) I wonder why the heck PS CS4 doesn't have JPG as an option? CS2 and
prior versions had it... (I skipped CS3 so don't know there)
Burt,
I suspect you are working in 16 bit/channel mode and jpg is 8 bit. If
you are shooting RAW, working in CS4 you are by default working in 16
bit and therefore do not have an option of save to jpg option..
There are several ways you can get your jpg option back.
1: After you have made all your adjustments, go to image->mode->8 bit/channel.
Then you will be able to save as jpg. without changing your original 16
bit file.
or if you are not concern with 16 bit editing
2: In ACR when converting a RAW file go to the workflow options (that
is the blue underlined notation which looks like a url, under the image
window in ACR) double click on that. the workflow options window will
open.
Here you will see the following:
"Space" for workspace where you will have options for sRGB, Adobe RGB,
ProPhoto, etc.
"Depth" for Bit Depth, here is where you set the bit depth to 8 Bits/Channel.
You can also set your crop size, resolution, and if you want to open as
a Smart Object.
--
Regards,
Savageduck |
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| tony cooper... |
Posted: Tue Sep 15, 2009 2:02 am |
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On Mon, 14 Sep 2009 11:22:15 -0700, Savageduck
<savageduck at (no spam) {REMOVESPAM}me.com> wrote:
Quote: On 2009-09-14 09:00:44 -0700, burt at (no spam) mindstorm-inc.com (Burt Johnson) said:
turbo <turbo at (no spam) nospam.yahoo.co.uk> wrote:
I have seen some images claim to have "clipping paths" (from which I
assume they mean a mask path) yet the image is a JPG file.
How is that done, and how can it be used?
See http://www.bigstockphoto.com/core.php?showpage=help_clippingpaths
Just what I was looking for -- thx!
Now a strange turn though -- My Photoshop CS4 does not have JPG as an
option for saving. I have been doing that conversion in Lightroom.
1) I wonder if saving as PSD and having Lightroom save as JPG will keep
that path?
2) I wonder why the heck PS CS4 doesn't have JPG as an option? CS2 and
prior versions had it... (I skipped CS3 so don't know there)
Burt,
I suspect you are working in 16 bit/channel mode and jpg is 8 bit. If
you are shooting RAW, working in CS4 you are by default working in 16
bit and therefore do not have an option of save to jpg option..
There are several ways you can get your jpg option back.
1: After you have made all your adjustments, go to image->mode->8 bit/channel.
Then you will be able to save as jpg. without changing your original 16
bit file.
or if you are not concern with 16 bit editing
You lost me, Savage. If you are working in 16 bit, and then convert
to 8 bit, doesn't the image change from what you brought it to? You
are working with fewer colors in 8 bit. I export from Lightroom to
CS4, and have CS4 set to 8 bit. That way any adjustments I make in
CS4 will be what I have to print or view on the web as a .jpg. I know
I can print as a .psd or .tiff, but once the image leaves Lightroom I
expect to be able to upload it to my photo host as I've adjusted it.
--
Tony Cooper - Orlando, Florida |
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| Savageduck... |
Posted: Tue Sep 15, 2009 2:23 am |
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On 2009-09-14 15:02:15 -0700, tony cooper <tony_cooper213 at (no spam) earthlink.net> said:
Quote: On Mon, 14 Sep 2009 11:22:15 -0700, Savageduck
savageduck at (no spam) {REMOVESPAM}me.com> wrote:
On 2009-09-14 09:00:44 -0700, burt at (no spam) mindstorm-inc.com (Burt Johnson) said:
turbo <turbo at (no spam) nospam.yahoo.co.uk> wrote:
I have seen some images claim to have "clipping paths" (from which I
assume they mean a mask path) yet the image is a JPG file.
How is that done, and how can it be used?
See http://www.bigstockphoto.com/core.php?showpage=help_clippingpaths
Just what I was looking for -- thx!
Now a strange turn though -- My Photoshop CS4 does not have JPG as an
option for saving. I have been doing that conversion in Lightroom.
1) I wonder if saving as PSD and having Lightroom save as JPG will keep
that path?
2) I wonder why the heck PS CS4 doesn't have JPG as an option? CS2 and
prior versions had it... (I skipped CS3 so don't know there)
Burt,
I suspect you are working in 16 bit/channel mode and jpg is 8 bit. If
you are shooting RAW, working in CS4 you are by default working in 16
bit and therefore do not have an option of save to jpg option..
There are several ways you can get your jpg option back.
1: After you have made all your adjustments, go to image->mode->8 bit/channel.
Then you will be able to save as jpg. without changing your original 16
bit file.
or if you are not concern with 16 bit editing
You lost me, Savage. If you are working in 16 bit, and then convert
to 8 bit, doesn't the image change from what you brought it to? You
are working with fewer colors in 8 bit. I export from Lightroom to
CS4, and have CS4 set to 8 bit. That way any adjustments I make in
CS4 will be what I have to print or view on the web as a .jpg. I know
I can print as a .psd or .tiff, but once the image leaves Lightroom I
expect to be able to upload it to my photo host as I've adjusted it.
You are correct, however I was just trying to solve his proplem of the
missing "save as jpg option".
It seems he has either forgotton about the 8 Bit jpg, or was blissfully
unaware and believed CS4 was lacking in some way. You addressed the
issue regarding layers and that may also be his problem.
I also use Lightroom which uses ProPhoto 16Bit as a default workspace.
I also do as you have and export to CS4 set at 8Bit which also solves
the problem. (and change to sRGB for web)
He could also make the changes in Bridge or ACR.
Just adding to the mix.
--
Regards,
Savageduck |
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| Burt Johnson... |
Posted: Tue Sep 15, 2009 3:28 am |
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Savageduck <savageduck at (no spam) {REMOVESPAM}me.com> wrote:
Quote: I suspect you are working in 16 bit/channel mode and jpg is 8 bit. If
you are shooting RAW, working in CS4 you are by default working in 16
bit and therefore do not have an option of save to jpg option..
Bingo. That explains it -- thx!
For those times I need to end up with a JPG, I can do the convert to 8
bit. Just something I had not thought of. I guess I'm a little
surprised the JPG conversion doesn't just cover the 8 bit conversion as
part of it, along with compression settings, etc.
--
- Burt Johnson
MindStorm, Inc.
http://www.mindstorm-inc.com/software.html |
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| Surfer!... |
Posted: Tue Sep 15, 2009 2:46 pm |
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In message <1j60zh5.f2126211mbpm8N%burt at (no spam) mindstorm-inc.com>, Burt Johnson
<burt at (no spam) mindstorm-inc.com> writes
Quote: turbo <turbo at (no spam) nospam.yahoo.co.uk> wrote:
I have seen some images claim to have "clipping paths" (from which I
assume they mean a mask path) yet the image is a JPG file.
How is that done, and how can it be used?
See http://www.bigstockphoto.com/core.php?showpage=help_clippingpaths
Just what I was looking for -- thx!
Now a strange turn though -- My Photoshop CS4 does not have JPG as an
option for saving. I have been doing that conversion in Lightroom.
1) I wonder if saving as PSD and having Lightroom save as JPG will keep
that path?
2) I wonder why the heck PS CS4 doesn't have JPG as an option? CS2 and
prior versions had it... (I skipped CS3 so don't know there)
Use the 'Save for Web and Devices' option in the 'File' menu. Take
great care to not accidentally alter your original .PSD as well. Only
do the last bit when you are happy the rest is right and saved.
Also resize the image to something appropriate before saving as JPG.
--
Surfer!
Email to: ramwater at uk2 dot net |
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| Peter... |
Posted: Tue Sep 15, 2009 6:11 pm |
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"tony cooper" <tony_cooper213 at (no spam) earthlink.net> wrote in message
news:bneta5lm3hspj4soq3hcra4tk7580gqrh0 at (no spam) 4ax.com...
Quote: You lost me, Savage. If you are working in 16 bit, and then convert
to 8 bit, doesn't the image change from what you brought it to? You
are working with fewer colors in 8 bit. I export from Lightroom to
CS4, and have CS4 set to 8 bit. That way any adjustments I make in
CS4 will be what I have to print or view on the web as a .jpg. I know
I can print as a .psd or .tiff, but once the image leaves Lightroom I
expect to be able to upload it to my photo host as I've adjusted it.
Because the higher resolution modes contain more of the original color and
gradient nuances,
I prefer to work is as high a resolution as possible, considering what needs
to be done. I then convert to 8bit if I need a jpeg.
--
Peter |
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| Paul Furman... |
Posted: Fri Sep 18, 2009 5:16 am |
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Burt Johnson wrote:
Quote: Savageduck <savageduck at (no spam) {REMOVESPAM}me.com> wrote:
I suspect you are working in 16 bit/channel mode and jpg is 8 bit. If
you are shooting RAW, working in CS4 you are by default working in 16
bit and therefore do not have an option of save to jpg option..
Bingo. That explains it -- thx!
For those times I need to end up with a JPG, I can do the convert to 8
bit. Just something I had not thought of. I guess I'm a little
surprised the JPG conversion doesn't just cover the 8 bit conversion as
part of it, along with compression settings, etc.
I'm very surprised jpegs can be saved with vector layers!
--
Paul Furman
www.edgehill.net
www.baynatives.com
all google groups messages filtered due to spam |
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| Burt Johnson... |
Posted: Fri Sep 18, 2009 11:49 am |
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Paul Furman <paul- at (no spam) -edgehill.net> wrote:
Quote: Burt Johnson wrote:
Savageduck <savageduck at (no spam) {REMOVESPAM}me.com> wrote:
I suspect you are working in 16 bit/channel mode and jpg is 8 bit. If
you are shooting RAW, working in CS4 you are by default working in 16
bit and therefore do not have an option of save to jpg option..
Bingo. That explains it -- thx!
For those times I need to end up with a JPG, I can do the convert to 8
bit. Just something I had not thought of. I guess I'm a little
surprised the JPG conversion doesn't just cover the 8 bit conversion as
part of it, along with compression settings, etc.
I'm very surprised jpegs can be saved with vector layers!
So was I, but a test proved it worked quite nicely.
--
- Burt Johnson
MindStorm, Inc.
http://www.mindstorm-inc.com/software.html |
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| Surfer!... |
Posted: Fri Sep 18, 2009 12:39 pm |
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In message <1j67o0e.wvm6rt9959xtN%burt at (no spam) mindstorm-inc.com>, Burt Johnson
<burt at (no spam) mindstorm-inc.com> writes
Quote: Paul Furman <paul- at (no spam) -edgehill.net> wrote:
Burt Johnson wrote:
Savageduck <savageduck at (no spam) {REMOVESPAM}me.com> wrote:
I suspect you are working in 16 bit/channel mode and jpg is 8 bit. If
you are shooting RAW, working in CS4 you are by default working in 16
bit and therefore do not have an option of save to jpg option..
Bingo. That explains it -- thx!
For those times I need to end up with a JPG, I can do the convert to 8
bit. Just something I had not thought of. I guess I'm a little
surprised the JPG conversion doesn't just cover the 8 bit conversion as
part of it, along with compression settings, etc.
I'm very surprised jpegs can be saved with vector layers!
So was I, but a test proved it worked quite nicely.
What software did you use?
--
Surfer!
Email to: ramwater at uk2 dot net |
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| Johan W. Elzenga... |
Posted: Fri Sep 18, 2009 1:50 pm |
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Paul Furman <paul- at (no spam) -edgehill.net> wrote:
Quote: Burt Johnson wrote:
Savageduck <savageduck at (no spam) {REMOVESPAM}me.com> wrote:
I suspect you are working in 16 bit/channel mode and jpg is 8 bit. If
you are shooting RAW, working in CS4 you are by default working in 16
bit and therefore do not have an option of save to jpg option..
Bingo. That explains it -- thx!
For those times I need to end up with a JPG, I can do the convert to 8
bit. Just something I had not thought of. I guess I'm a little
surprised the JPG conversion doesn't just cover the 8 bit conversion as
part of it, along with compression settings, etc.
I'm very surprised jpegs can be saved with vector layers!
JPEG's can't be saved with a vector layer, or any other layer. A path is
not a layer, however. Photoshop can save paths in a JPEG.
--
Johan W. Elzenga johan<<at>>johanfoto.nl
Editor / Photographer http://www.johanfoto.com |
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