DPChallenge: A Digital Photography Contest You are not logged in. (log in or register) 
 

DPChallenge Forums >> Current Challenge >> Is this allowed in advanced editing challenge
Pages:  
Showing posts 1 - 22 of 22, (reverse)
AuthorThread
 08/23/2011 03:23:03 PM · #1
I wanted to check if the following is allowed in the advanced editing challenges

One photo on top of another with the top photo set to pin light

Is this allowed?

Thanks

Paul
 08/23/2011 03:25:48 PM · #2
Not sure what "pin light" is, but no. Two different photos layered together is not allowed. Only if they are the same original image with different adjustments applied, or a bracketed set of the same scene.

Message edited by author 2011-08-23 15:26:44.
 08/23/2011 03:26:32 PM · #3
Two different photos? No.

Two different versions of the same exposure, yes.

R.
 08/23/2011 03:27:09 PM · #4
You cannot combine photos in Advanced Editing -- the entry must derive from a single exposure except for combining similarly-composed images for HDR or focus-stacking.
 08/23/2011 04:29:50 PM · #5
Thanks - just to clarify. It is one photo and a plain background color - is that permitted?

I previously seen a photo in Lego challenge that had a background of new York.

Message edited by author 2011-08-23 16:31:35.
 08/23/2011 04:42:47 PM · #6
Originally posted by paulsteven:
Thanks - just to clarify. It is one photo and a plain background color - is that permitted?

No. The background must be part of the original capture.

Originally posted by paulsteven:
I previously seen a photo in Lego challenge that had a background of new York.

That entry was disqualified.
 08/23/2011 04:43:17 PM · #7
Originally posted by paulsteven:
I previously seen a photo in Lego challenge that had a background of new York.


That background was an actual photo in the scene, not a post processing comp, and it still got disqualified.
 08/23/2011 04:51:01 PM · #8
Thanks for the clarification - just as well I asked as I will have to unsubmit my sherpet challenge photo.
 08/23/2011 07:23:49 PM · #9
Originally posted by bhuge:
Originally posted by paulsteven:
I previously seen a photo in Lego challenge that had a background of new York.


That background was an actual photo in the scene, not a post processing comp, and it still got disqualified.


.....and rightly so.
 08/23/2011 08:15:15 PM · #10
Originally posted by kenskid:
Originally posted by bhuge:
Originally posted by paulsteven:
I previously seen a photo in Lego challenge that had a background of new York.


That background was an actual photo in the scene, not a post processing comp, and it still got disqualified.


.....and rightly so.


why is having a photo as a background a reason for a DQ? or is it b/c it was a well-known, famous photograph? i've used photos as backgrounds for some of my photos in the past (although i can't vouch if they were well-known)

08/23/2011 08:23:37 PM · #11
Originally posted by mefnj:
why is having a photo as a background a reason for a DQ?

Artwork that appears to be part of the real scene must not be so prominent that voters are basically judging a photo of a photo. If the background is so important that voters would reasonably judge your skill as a photographer (lighting, focus, composition, etc.) by something that was already a photograph before you shot it, then you risk a DQ.
 08/23/2011 09:26:14 PM · #12
Originally posted by kenskid:

.....and rightly so.


I almost didn't complain about my DQ (the SC knows it very well) while you love to remind everyone that I deserved it. Well it's ok, I respect your idea but it's not so important to show it all the time. I'm not a cheater (many people disagree with SC decision - even if I respect that decision) and it hurts me to feel like that because I'm a very honest man, both here and in the real life.

Message edited by author 2011-08-23 21:31:51.
 08/23/2011 09:26:19 PM · #13
...

Message edited by author 2011-08-23 21:27:46.
 08/23/2011 09:27:29 PM · #14
Originally posted by GeneralE:
You cannot combine photos in Advanced Editing -- the entry must derive from a single exposure except for combining similarly-composed images for HDR or focus-stacking.


Does this mean star stacking is allowed???
 08/23/2011 09:38:19 PM · #15
Originally posted by JulietNN:
Originally posted by GeneralE:
You cannot combine photos in Advanced Editing -- the entry must derive from a single exposure except for combining similarly-composed images for HDR or focus-stacking.


Does this mean star stacking is allowed???


Nope, I wish it were, but I have read many a posts that say it is not. I believe the idea is that the elements of the photo are changing position (especially for long trails).
 08/23/2011 09:44:23 PM · #16
Don't let me get to you. I'm an equal opportunity trouble maker ! I have two DQs of my own that were pictures in a picture. I'll take 100 DQs as long as the DQs are handed out fairly to comparable offenses.

Sorry if I stepped on your toes.

Originally posted by Alexkc:
Originally posted by kenskid:

.....and rightly so.


I almost didn't complain about my DQ (the SC knows it very well) while you love to remind everyone that I deserved it. Well it's ok, I respect your idea but it's not so important to show it all the time. I'm not a cheater (many people disagree with SC decision - even if I respect that decision) and it hurts me to feel like that because I'm a very honest man, both here and in the real life.

08/23/2011 09:46:11 PM · #17
=(
 08/23/2011 09:46:32 PM · #18
Originally posted by giantmike:
Originally posted by JulietNN:
Originally posted by GeneralE:
You cannot combine photos in Advanced Editing -- the entry must derive from a single exposure except for combining similarly-composed images for HDR or focus-stacking.


Does this mean star stacking is allowed???


Nope, I wish it were, but I have read many a posts that say it is not. I believe the idea is that the elements of the photo are changing position (especially for long trails).

You can stack stars or short trails directly on top of each other to reduce noise. Each individual photo should be the same compositionally as the final.

You cannot stack exposures of short trails end-to-end to create long trails, since the final composition is (features are) different from the source images.
 08/23/2011 10:06:01 PM · #19
=(

=(
 08/23/2011 11:27:44 PM · #20
Originally posted by GeneralE:
Originally posted by giantmike:
Originally posted by JulietNN:
Originally posted by GeneralE:
You cannot combine photos in Advanced Editing -- the entry must derive from a single exposure except for combining similarly-composed images for HDR or focus-stacking.


Does this mean star stacking is allowed???


Nope, I wish it were, but I have read many a posts that say it is not. I believe the idea is that the elements of the photo are changing position (especially for long trails).

You can stack stars or short trails directly on top of each other to reduce noise. Each individual photo should be the same compositionally as the final.

You cannot stack exposures of short trails end-to-end to create long trails, since the final composition is (features are) different from the source images.


I must be missing something. How would it even be possible to stack short star trails directly on top of each other to reduce noise? Once the star has moved and created a trail you can't take a second shot with the trail in the same place. I guess you could use two cameras pointed at the same spot or take the same photo at the exact same time on two different days?

-edited for engrish-

Message edited by author 2011-08-23 23:34:33.
 08/24/2011 12:11:20 AM · #21
Originally posted by bhuge:
I must be missing something. How would it even be possible to stack short star trails directly on top of each other to reduce noise? Once the star has moved and created a trail you can't take a second shot with the trail in the same place.

The stars should stay in the same position relative to each other. You can (probably) move and rotate several images to align them precisely on top of each other. Not saying it's that good an idea, or even practical, but I think it's possible and (should be) DPC-legal for Advanced editing challenges.
 08/24/2011 05:28:27 AM · #22
Apologies - I have revisited the rules and see that the following rule that disallows the following answers my question:

add graphics, clip art, computer-rendered images or parts of other photographs to your entry or its border during editing (except for combining photos as allowed by the multiple capture rules above).

It is my first attempt at any post processing apart from cropping and resizing so guess I need to read the rules properly in future. It is reassuring though that the rules don't allow too much digital art to creep in.

Here is the photo I was going to submit anyway. As previously mentioned, all I did was add a new layer in photoshop below the photo and filled it with blue and set the blending mode to pin light. I then brightened the resulting image.

Original image:



Final image:


Pages:  
Current Server Time: 08/05/2025 03:46:51 AM

Please log in or register to post to the forums.


Home - Challenges - Community - League - Photos - Cameras - Lenses - Learn - Help - Terms of Use - Privacy - Top ^
DPChallenge, and website content and design, Copyright © 2001-2025 Challenging Technologies, LLC.
All digital photo copyrights belong to the photographers and may not be used without permission.
Current Server Time: 08/05/2025 03:46:51 AM EDT.