Distortion in 360's  

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MiaMans18
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Distortion in 360's

by MiaMans18 » Tue May 23, 2017 11:08 am

Hi, Admittedly it's been a while since I've been using the Autopano Giga/Panotour Pro to build virtual tours. I'm pretty sure I'm using the same set ups, process etc. as before. However my latest project have some distortions in the 360 which I don't like. See curves in tables on attached pics. Any ideas of what causes these or what I might be doing wrong. The difference in the process would be that I'm editing the panoramas in Lightroom, exporting and then importing to Panotour Pro. Thanks for any advance in advance. Mia
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Annis
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Re: Distortion in 360's

by Annis » Tue May 23, 2017 12:29 pm

After importing your image and saving your image in Lightroom, you've removed all the exif information that Autopano added to the panoramas for Panotour to read when you import the image and project them correctly.

Import both images in Panotour, copy the input fov information of the unedited image to the edited one.

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Re: Distortion in 360's

by MiaMans18 » Tue May 23, 2017 1:13 pm

Thank you very much Annis for getting back to me and your help. I will do what you suggest and hope that will resolve the issue. I have also previously edited the individual fisheye images in Lightroom before stitching in Autopano but I'm asuming that shouldn't case any problems? Mia

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Re: Distortion in 360's

by Annis » Tue May 23, 2017 1:30 pm

No that won't cause issues, in fact editing it's better to edit the photos before stitching.

Otherwise, if you want to continue editing your panoramas after stitching, have a look in your export window see if there si any option to check (or uncheck) for you to keep the exif of the original image.

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Re: Distortion in 360's

by MiaMans18 » Tue May 23, 2017 3:56 pm

Thank you again Annis. You've been very helpful. That would be the same in any editing software? For example, photoshop?

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Re: Distortion in 360's

by Annis » Tue May 23, 2017 4:15 pm

Well I haven't tried every software in the world, but it really depends on the software, andvery often the exif and metadata is removed when you edit images.


I don't see an option to keep the original metadata when exporting from Photoshop.

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Re: Distortion in 360's

by MiaMans18 » Tue May 23, 2017 4:33 pm

Thank you. Well I'm doing a little bit of cropping at the bottom of panorama and cloning out the tripod in Photoshop as in this case and others I'm not worried about the full 180. Might this affect the distortion even if the exif and metadata was there. This cropping, cloning I've done in the past and not noticed a distortion.

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Re: Distortion in 360's

by MiaMans18 » Thu May 25, 2017 4:57 pm

Hi again, I've done a bit of experimenting. Leaving the panoramas uncropped/unedited gives me a straight line in the 360s in the tour. But I do need to get rid of some bad tripod shadows and would like to do some cropping at the bottom. How can I edit without ending up with some curves in the final tour? Alternatively is there a way to restrict the view in Panotour Pro? Thank you. Mia

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Re: Distortion in 360's

by Annis » Mon May 29, 2017 9:29 am

To restrict the view, use the virtual cropping tool of the Hotspot editor:

As for editing your images, any edit you make will remove the exif and metadata information, so if you really have to edit the panorama after it's been stitched, you can edit your panorama's details to copy over the metadata to your edited image (either using specific exif editing software or from the explorer window, depending on your OS), so I'd recommend keeping a backup of the image until you're done editing.

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Re: Distortion in 360's

by klausesser » Sun Jun 04, 2017 6:14 pm

MiaMans18 wrote:Thank you very much Annis for getting back to me and your help. I will do what you suggest and hope that will resolve the issue. I have also previously edited the individual fisheye images in Lightroom before stitching in Autopano but I'm asuming that shouldn't case any problems? Mia


Hi Mia!

Your rendered output - the equirectangular image - needs to be 2:1 exactly(!).

best, Klaus


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