Guests - If You want access to member only forums on HSO. You will gain access only when you Sign-in or Sign-Up on HotSpotOutdoors.

It's easy - LOOK UPPER right menu.

  • Announcements

    • Rick

      Members Only Fluid Forum View   08/08/2017

      Fluid forum view allows members only to get right to the meat of this community; the topics. You can toggle between your preferred forum view just below to the left on the main forum entrance. You will see three icons. Try them out and see what you prefer.   Fluid view allows you, if you are a signed up member, to see the newest topic posts in either all forums (select none or all) or in just your favorite forums (select the ones you want to see when you come to Fishing Minnesota). It keeps and in real time with respect to Topic posts and lets YOU SELECT YOUR FAVORITE FORUMS. It can make things fun and easy. This is especially true for less experienced visitors raised on social media. If you, as a members want more specific topics, you can even select a single forum to view. Let us take a look at fluid view in action. We will then break it down and explain how it works in more detail.   The video shows the topic list and the forum filter box. As you can see, it is easy to change the topic list by changing the selected forums. This view replaces the traditional list of categories and forums.   Of course, members only can change the view to better suit your way of browsing.   You will notice a “grid” option. We have moved the grid forum theme setting into the main forum settings. This makes it an option for members only to choose. This screenshot also shows the removal of the forum breadcrumb in fluid view mode. Fluid view remembers your last forum selection so you don’t lose your place when you go back to the listing. The benefit of this feature is easy to see. It removes a potential barrier of entry for members only. It puts the spotlight on topics themselves, and not the hierarchical forum structure. You as a member will enjoy viewing many forums at once and switching between them without leaving the page. We hope that fluid view, the new functionality is an asset that you enjoy .
Sign in to follow this  
shortfatguy

Merged photo

Recommended Posts

Its 3 stitched together. they were horizontal originally. I bet if they had been vertical shots and maybe around 6 of them it would make a nice poster size shot

Share this post


Link to post
Share on other sites

Not bad sfg. I can see the two seams in the merge though, they are pretty noticable in the sky. What software did you use for the stitching?

Share this post


Link to post
Share on other sites

I used the software that came with my camera. So its probably not the worlds greatest software. Also I did not have a tripod when the photos were shot so part of the "seam" may have been caused by a slight difference in the photos due to my movement

Share this post


Link to post
Share on other sites

sfg, I had to look repeatedly and blur my vision slightly to make out the seams. Depending on your main post-processing software, subtle sky seams like these are very easy to mend.

For the stitching itself I use PhotoStitch, the software that comes with Canon DSLR cameras, and it works great. I've just left it on automated settings so far and have not had problems. Lack of tripod wouldn't have caused these seams unless you missed actually overlapping the images, in which case it might cause that.

More likely it was an exposure issue. If you are not on manual exposure and are using one of the automated settings that allows the meter to set exposure, you may get a slightly different exposure from one frame to the next as you pan the scene. If you were using the DRebel XT like you did on the similar barn/landscape shot you posted awhile back, and on the same settings, it looks like from that image exif that it was evaluative metering, which is a great metering system overall but not the best for capturing images to stitch.

To make sure each image has exactly the same exposure, which generally eliminates seams caused by different metering, I take a test image and check the histogram to make sure nothing's blown out and it's properly exposed. If it isn't quite right, I adjust using exposure compensation and then take another test shot. Once it looks good to me I switch to manual mode and duplicate the aperture/shutter speed settings, so each of the images to be stitched is exactly the same.

Some other things that can cause goofy stitches include a lens that has noticeable vignetting (darker corners) or distortion (which can skew the edges of photos and make them impossible to stitch well).

Generally, I like using the middle to the far length of a zoom lens' focal length. With full frame sensors, wide angle lens distortion is noticeable with some zooms set as wide as they can go, and some other lenses can vignette quite noticeably on FF sensors, where in crop sensors these things don't happen as much.

I've been able to do some handheld series stitching with success, as well as some from a monopod, but of course to get really serious about it a tripod is important. And with the tripod, leveling it is important so your series doesn't slant up or down as you progress through it.

Sorry if you already knew all this, sfg. Figured I'd throw the tips in there in case some don't. Stitching is such a great way to extend a DSLR's sensor capability (in some situations), that I use it whenever I can.

Share this post


Link to post
Share on other sites

Thanks for the info! I looked more closely at the image on my computer and after zooming in I can see that the seam on the right is slightly miss aligned and gets wider toward the top. I will have to mess with it and see if I can straighten it out. Steve, I also am using the same software as you.

Share this post


Link to post
Share on other sites

I can still see the seam on the left and the one on the right looks better. Keep in mind folks that if your monitor is not calibrated it is entirely possible you would not see the seams in either of these shots, especially with the lighter sky.

I see a darker band with the sky darker on the left side of the seams. You can also make out double trees all the way through your merge from top to bottom on the left photo and center photo seam. Look between the houses, next to the falling down building.

With out a tri pod these are very difficult to line up perfectly. I think it is a great try and with tripod support you would have a winner for sure!

Share this post


Link to post
Share on other sites

Though they are subtle, I can still see the seams, too.

IMO, it may be a matter of no tripod, but it may not. There's no doubt that a tripod is the best way to go, but in situations where I've had to hurry and did not have time to pull out the pod, I've in several cases been able to compose images freehand that have stitched together perfectly. I've also had some failures that way, for sure. Mostly it's a matter of making sure not only that there's overlap, but that the camera/lens is not skewed slightly from one image to the next, and as Dan said a tripod is totally the right way to ensure consistent and level panning.

sfg, can you post small, undoctored versions of all three images for us, or e-mail the original three jpegs to me, so we can see the exif data? If the apertures/shutter speeds are identical in all three, I'm thinking it might have been a missed overlap that is causing the visible seams, in which case the tripod would have immediately cured the problem. If there are slightly different settings among the images, however, then I think it's a case of the meter changing the exposure slightly as you panned.

In any case, as long as the conditions are good for images to be stitched together (consistent lighting, not overly windy), if you do the manual exposure drill and the tripod and take some care, all will be well.

Share this post


Link to post
Share on other sites

sfg, I looked them over and noted that, while you were on evaluative metering instead of manual, each was 1/125 at f5.6, so exposure was not the issue with the noticeable seams. Nor did there appear to be any lens issues.

After merging, I enlarged the image and saw irregularities not only in the sky seams, but also in the land below. In Photoshop CS2, I mended both seams (only took a couple minutes), and will e-mail the stitch to you.

In this case the seam issue is what Dan described. Careful use of a leveled tripod would have made the stitch perfect from the get-go. As it was, it was almost just right, and an easy tweak or two in post-processing to mend those seams took care of it.

So next time, manual settings and a tripod will be the way to go. smilesmile

Share this post


Link to post
Share on other sites
Guest
This topic is now closed to further replies.
Sign in to follow this  



  • Posts

    • Ya he comes home the 29th getting excited for pheasant going to take a trip out to sodak this year Ended up showing a guy from work who is a first time bow hunter a couple of my spots in Sherburne. Was going to walk kunkel after for grouse but it ended up getting too late so just went home. Was hoping for some good weather this weekend but doesn't look too good. Friday is a high of 90! no thanks Maybe I will get a morning sit in for deer hunting if the rain cooperates
    • anybody know what it is?
    • I've been finding a few hens, but nothing like last year (which was great for me).  Here's one that was just shy of ten pounds sitting next to my daughter.
    • You may as well paddle a green kiddie pool around.  Might find one for 50 cents if you look a little. Um, yeah, I've actually seen it done. 
    • Good move!  I'm sure they are thankful! I might've made an offer if I'd seen this before but they'll probably be better used in the organization that received them. Sorry the hear your hunting days are over.
    • There is no way Koivu doesn't get more term and $$ in free agency, not a lot more but he gets more. Marleau is trending down and got more money, Hansel got 750 less and is not in the same league as Koivu. I was hoping for something like 4.5 or 5 but what he got at 2 years is very reasonable. He is a lifelong wild, our captain and a great player, we have no immediate replacement, he makes our team better for the next 3 years be it 1/2/3 center. This isn't something to get upset about, scandella trade sure, aging parise sure but that had to be done, not getting a young center sure but that can sometimes be out of our control because it takes two teams to trade. I get it people are bitter about last year but what fan base isn't bitter about this or that? 
    • I ran 10 gauge wire from my shore or generator feeder to my converter.  Way over kill for a 2000 watt generator but if you ever take it camping or run it off a 3k in the summer it's nice to be wired for the extra wattage.  10 feet of 10 gauge really isn't that much money on the whole project... nice thing about running your inverter directly from the battery and splitting a couple outlets is they are always ready to go.  Just hit the switch on the inverter and you don't have to mess with unplugging and plugging in strings of 110 outlets.  Behind my tv the bottom outlet runs of the Genny and the top runs of the inverter.  Nice thing is if I ever wanted to run the whole 110 system off the inverter I can just run a 6 inch cord with a male plug on each end out the top outlet and into the bottom and power the whole house.
    • This looks like it will work to me. I had thought of doing something similar when I was thinking of going with the inverter, seperate 12v fuse block and onboard charger. Would have wired a "hot" outlet direct from generator. Then ran a piece of romex with a male plug wired onto it and tied the 110v into that. then I could have either plugged that into the "hot" outlet along with the onboard charger, when the generator was running. Or I could have plugged it into the inverter when needing to run off battery power.
    • never been there, have to go!!!   off 10 right???   or where?? thanks!!
    • Thanks everyone for the replies. I am planning to go with the ac/dc distribution panel with built in converter and charger. Then adding an automatic transfer switch, and an inverter. I m going to bring  the exterior generator outlet directly into a gfci outlet box. Then wiring the transfer switch as follows... To the NO(normally open) terminals I will wire either a piece of 14ga romex with a male plug wired on the other end, or just get a cord of the correct size with the plug on it, which will plug into the "hot" gfci outlet being fed by the generator. I will do the same at the NC(normally closed) terminals, which can be plugged into the inverter. Then from the transfer switch output I will wire a piece of romex with a female plug, or correct size cord with same. From the main terminals on the 110v side of the distribution panel I will wire of piece of romex or cord with a male plug on it. That can then be plugged into the female plug coming out of the transfer switch. I figure wiring it that way gives me the option of bypassing the transfer switch and plugging the distribution panel directly into the "hot" gfci outlet from the generator if the transfer switch should fail. The transfer switch should feed the output from the NO terminals as long as they have power to them. If they lose power, i.e. turning the generator off, then the NO terminal close and it switches the NC terminals open and feeds the output from those, which would be the inverter in this case.   I had been told by one of the places that sells fish house materials that I couldn't wire an inverter in with one of their WFCO panels. I knew there was a way so I thank you guys for making me think about it a little more. I think this set up will give me exactly what I'm looking for. I plan on running a Honda 2000W generator, and then two 31 series AGM batteries wired in paralell. Will run the generator during the day when convenient, but also want the ability to "run and gun" more when conditions allow without needing to set up the generator every time just to power a couple small AC items.   Anyone have any experience with the automatic transfer switches? Go Power brand seems to have good reviews. Same with distribution panels. 2 I see the most are the WFCO and the Progressive Dynamics. YettiStyle, what is it that you prefer about the Progressive Dynamics panel? Better quality? Easier connections? etc...   Thanks again to everyone!
  • Our Sponsors