Batch stitching ptgui8/3/2023 ![]() You need to open the file with a text editor and put the correct parameters for your lens in the line starting withĪ way to align images directly inside hugin GUI is outlined in Align a stack of photos.Īligning images in PTGui is a bit tricky, but it has the advantage of the Batch Builder and is relatively fast. The hugin windows bundle also includes a batch file called enfuse_align_droplet.bat which calls align_image_stack and passes the aligned images to enfuse for merging. ![]() For a fisheye lens you need to specify parameters -e (fisheye lens), -f HFOV (where HFOV is the approximate horizontal field of view in degrees), -m (Field of View), -d (distortion), -i (center shift) and -x -y -z (camera position, since version 2011.5 only). Since version 2011.5 it allows for optimization of camera position, too. Hugin comes with a command line tool called align_image_stack. All this possibilities together usually allow for a very good alignment. There should be plenty of control points throughout the whole image. ![]() The most recent versions also allow for viewpoint correction (called translation in hugin). Panotools based stitchers allow for optimization of Yaw, Pitch and Roll, field of view, lens correction parameters and center shift. However, since handheld shooting always can cause parallax errors between the bracketed image a perfect alignment is not always possible.īest results can be achieved if all possible image distortions are allowed. Any attempts to align such images should take this into account. Since handheld shooting means a possible displacement in all three spatial directions and fisheyes cover up to 180° or more a back or forth displacement effectively means a different viewpoint. Very wide angle and fisheye lenses are more difficult. PTGui and hugin allow for not linking bracketed shots to the same place in order to compensate for shifts and several HDR programs do a simple alignment as well. For not so wide rectilinear images this requires a simple image shift. But sometimes this isn't possible and images need to be aligned later. Usually this is done using a sturdy tripod. Check out his site for ideas.Shooting for HDR requires the bracketed images to be perfectly aligned. You can share really outstanding 360 images with your friends and clients on sites such as Facebook. To get maximum benefit, photographers should edit the image light and color in software such as Adobe Lightroom. Using DNG can dramatically improve the color and light of THETA Z1 images. Sam indicted that open source darktable can be used as an alternative to Adobe Lightroom. I’ll add support for the Z1 in the next PTGui update, it will recognize the camera, split the image and initialize the lens parameters. The current PTGui can stitch images from the Z1 with some manual work,īasically by splitting the image into two separate fisheye images and then following 6.41: Joost Nieuwenhuijse of PTGui sent me this information: Here’s another angle of the same image of the THETA Z1 photograph by Sam Rohn.Īlthough RICOH announced that they will release a stitching plug-in for Adobe Lightroom in the future, Sam indicated that he used the third-party software PTGui to stitch the images as the THETA Stitcher was not available at the time of his test. Same shot by Sam Rohn rotated to show back of image. The results were really impressive! I was able to interview Sam online and got some additional tips. He took the images in DNG format and used Adobe Lightroom to edit the images. ![]() Photographer Sam Rohn recently posted some beautiful pictures taken with the RICOH THETA Z1 on Facebook. ![]()
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