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stacker:docs:syntheticstereo [2026/05/13 01:41] rjlittlefield [Animations: Linear Sweep versus Conical Path] |
stacker:docs:syntheticstereo [2026/05/13 02:40] (current) rjlittlefield [How Is This Done?] |
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| Different stacks will need different shifts to make a good looking stereo pair. To help in finding a good shift, Zerene Stacker provides a simple stereo previewing facility. Just go to Tools > Stereo... > Start Preview. This will set up two side-by-side synchronized windows that act like Retouching except that there’s no brush and you can choose whatever output image you want in either window. Just click on the window, then click on an entry in the Output Images list. Repeat for the other window, and adjust your selections until the two images work well together. | Different stacks will need different shifts to make a good looking stereo pair. To help in finding a good shift, Zerene Stacker provides a simple stereo previewing facility. Just go to Tools > Stereo... > Start Preview. This will set up two side-by-side synchronized windows that act like Retouching except that there’s no brush and you can choose whatever output image you want in either window. Just click on the window, then click on an entry in the Output Images list. Repeat for the other window, and adjust your selections until the two images work well together. | ||
| - | Note that for some stacks the images may initially appear in the wrong order, so that depth is inverted. In that case, you can reverse the order of the images in preview with four mouse clicks: select left window, select the Output Image to appear in the left window, select right window, select Output Image to appear in the right window. If you consistently find that you need to reverse the order in preview, you can also change Preferences so that the images are created in the opposite order to start with. Simply go to Options > Preferences > Stereo/Rocking and swap the values for first and last image shifts. For example if -3,+3 produces images in reversed order, then swap them to be +3,-3. | + | Note that for some stacks the images may initially appear in the wrong order, so that depth is inverted. In that case, you can reverse the order of the images in preview by clicking the Swap Sides button that appears in the toolbar near top of window. If you consistently find that you need to reverse the order in preview, you can also change Preferences so that the images are created in the opposite order to start with. Simply go to Options > Preferences > Stereo/Rocking and swap the values for first and last image shifts. For example if -3,+3 produces images in reversed order, then swap them to be +3,-3. |
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| - | To produce any other format, you must use some external program. The free software StereoPhoto Maker (http://stereo.jpn.org/eng/stphmkr/) allows cropping and can generate output in a wide variety of formats, including color anaglyphs for viewing with red/cyan or red/green glasses. Animated GIF images for rocking displays can be generated by programs such as Adobe’s ImageReady and the free GIMP software (http://www.gimp.org/). It can also be done with regular Adobe Photoshop, using Timeline animation as described at [[https://helpx.adobe.com/photoshop/how-to/make-animated-gif.html]]. Longer sequences can be generated as looping movies, by programs such as Apple’s QuickTime Player Pro (http://www.apple.com/quicktime/pro/, for Macintosh or Windows). | + | To produce any other format, you must use some external program. The free software StereoPhoto Maker (http://stereo.jpn.org/eng/stphmkr/) allows cropping and can generate output in a wide variety of formats, including color anaglyphs for viewing with red/cyan or red/green glasses. Animated GIF images for rocking displays can be generated by the free web service [[https://ezgif.com/|Ezgif.com]] and free software such as [[http://www.gimp.org/|GIMP]]. It can also be done with Adobe Photoshop, using Timeline animation as described at [[https://helpx.adobe.com/photoshop/how-to/make-animated-gif.html]]. Longer sequences can be generated as looping movies, by services such as Ezgif.com or programs such as Photoshop, GIMP, or [[https://www.blackmagicdesign.com/products/davinciresolve|DaVinci Resolve]]. |