![]() We next want to align our images but before doing so, I’m going to disable my reference set, so they are not included in the solve. You should now have something like so, where all the LDR images have been merged together into HDR images. When the ‘ Bracketed Exposures‘ pop up window appears, enable ‘ Merge bracketed images to HDR and link the positions‘. If you do not get the ‘ enable HDR mode‘ due to a lack of metadata, you can manually enter the ‘ Exposure’ values here to get things working.įor now, jump back into the ‘ Project Assistant‘ tab and hit ‘ enable HDR mode‘. You can also jump into the ‘ Image Parameters‘ tab to check that all the metadata has come into your project. For the actual stitch, I’ll only be using the 4 main sets of images. ![]() You could also pull in your grey and chrome reference too. I’ve pulled all the images in so I can treat them all in the same manner during the merge, and then later on, I’ll grade the set in Nuke. Usually, I only have 5 sets (4 for each position, and a 5th set for all the reference). 4 for each of the camera rotations (every 90 degrees), a 5th set for the Macbeth chart, a 6th for the grey ball, and a 7th for the chrome. Quick note that I’ve actually imported 7 sets of images. You should also have the option to ‘ enable HDR mode‘, which you’ll need or else things will not work. You should then see that all your images have been loaded up, arranged in order from the darkest to the brightest. If the metadata is present, all you should have to do is add your Focal length, which in my case was 8. ![]() Next, jump into PTGui and hit the Load Images button. You cna do this by importing one of your EXRs into Nuke and looking at the metadata. You should now have all your EXRs and in order for things to work easily in PTGui, you’ll need to ensure that the metadata for the exposure speed is available. Stitching Spherical HDR Panoramas in NukeX with CaraVR.This is primarily for speed and simplicity at the moment but moving forwards, the aim will be to implement a Nuke/CaraVR workflow as covered here: I’m currently using PTGui for merging the EXRs and stitching the panorama together.
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