![]() Fixed: Errors 'could not open file for writing' or 'Assertion Failed' could occur when running PTGui under different user accounts on the same computer.Fixed: The numbered control point markers in the Control Points tab could disappear.New projects will use the PTGui 11 algorithm by default. But the difference is small and this can be compensated for by a small adjustment of the curve in the Post Processing tab.įor backwards compatibility the algorithm of PTGui Pro 12.0 to 12.20 remains available, so projects created with previous versions will still look the same. PTGui Pro 12 is unaffected by this, it will produce the same results regardless of the source images' ICC profile. Subtle differences between version 11 and 12 may remain, due to the fact that PTGui 11 was not color managed: the exposure fused results in PTGui Pro 11 would depend on the color space (in particular, the gamma curve) of the source images. To fix this, the exposure fusion algorithm from PTGui Pro 11 has been backported to PTGui Pro 12. But users reported they were not able to get the same results as in PTGui Pro 11 and we agree that the results in PTGui Pro 12 were indeed inferior. This also changed the exposure fusion process. In PTGui 12 the stitching pipeline was changed in order to support new HDR functionality and color management. Based on feedback from users, the exposure fusion algorithm is reverted to the algorithm that was used in PTGui Pro 11.Later Windows 10 versions and Windows 11 are not affected as they support a dark theme natively. On old Windows 10 versions (before May 2019 update), when using the dark theme, PTGui no longer has a dark title bar, to fix some rendering issues.Fixed: PTGui Viewer failed to start on old Windows 10 versions (before May 2019 update).Fixed: Opening a PTGui Pro project in the standard version could result in an Assertion Failed error.Fixed: Export to PTGui 10 project would have the yaw, pitch, roll values of all images set to zero.The window would appear to be stuck in the 'loading panorama' stage. Fixed: Linux: PTGui Viewer: in certain circumstances the viewer would not load a panorama file given on the command line.Fixed: Linux: PTGui Viewer: On high DPI screens the panorama would occupy only a fraction of the viewer window.Fixed: Linux: On high DPI screens (having a scale factor of 200% or higher) images and thumbnails in the PTGui window were blurry.Fixed: possible crash when right clicking in the Image Parameters table.In a panorama viewer this would appear as a vertical line. Fixed: in certain spherical panoramas there would be a slight brightness difference between the left and right hand side of the panorama.In all tables it's now possible to un-select items by ctrl-clicking on a selected item (or cmd-click on Mac).The Flash panorama viewer is obsolete and has been removed from Publish to Website.Now negative values can be used to get the opposite rotation. Fixed: The PTGui web viewer (Tools - Publish to Website) only supported positive values, for camera rotation from left to right.Fixed: Mi Sphere camera: automatic levelling worked only for JPEG images, not for DNG images.Now PTGui will show a more helpful error message. If an unsuitable color profile was selected for the output (for example a source-only profile), PTGui would show a cryptic error message ('cmsCreateTransformTHR failed').Fixed: cropping circle of the lens profile for the Samsung Gear 360 (2016 model) was slighly too large. ![]() Fixed: subtle color banding artifacts could appear in the output if multiband blending was used and GPU acceleration enabled.Fixed: if 'Optimize Brightness' was enabled in the automatic exposure and color adjustment settings (in the Exposure/HDR tab), the brightness optimization could behave erratic, resulting in very dark images.Fixed: PTGui when launched with the -stitchnogui flag could (incorrectly) show a popup 'It appears that PTGui previously crashed while using OpenCL for GPU acceleration.'.Fixed: PTGui when launched with the -stitchnogui flag could display an error message 'invalid lock file'.PTGui would fail to load certain DNG files, giving the error message 'Unknown error'.Fixed: certain larger panoramas could have rendering artifacts (dark blobs or random colors). ![]()
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