Straighten Horizon: Automatically straightens the horizon to account for non-uniform camera movements.Center Panorama: Automatically centers the panorama.Set Center Point: Manually sets the center point of the panorama.Edit Panorama: This lets the panorama be moved and rotated along the projection surface.A number of really useful tools appear in the Panorama Editor toolbar: It can range from slightly choppy for a panorama of a few images to excruciatingly slow for a complex one. The interactive experience varies tremendously depending on the complexity of the panorama. This where parameters can be interactively modified by manipulating the whole panorama or individual images. The second window is the Panorama Editor. Obviously, such areas have to be in the overlap otherwise there will be discontinuities. The Mask feature is extremely useful for dealing with moving objects and lets the user paint over areas which are to be included or excluded from the panorama. The Load Image phase, for example, enables the Source Images and Mask tabs. This lets the user tweak any parameter and, to some extent, get a better understanding of how the process works. Create Panoramas: Render the panorama by blending images together.Ĭompleting each step makes to corresponding advanced tab appear and fills it with automatically chosen values.Align Images: Position images relative to each other and stretch them to define the seams.Load Images: To select images that form the desired panoramic photo.The Automatic workflow involves three phases: Regardless of which initial workflow is chosen, PTGui offers complete control over the whole process. One can jump directly to a manual workflow by clicking the aptly-named Advanced button. The main window appears with a single tab labeled Project Assistant which provides a fully automatic workflow. PTGui starts up directly with two windows open. or Exposure-Fusion Using multiple images to produce a Low-Dynamic-Range image of a High-Dynamic-Range scene., saving the need for separate HDR software and allowing the creation of HDR panoramas. The latter allows PTGui Pro to automatically detect and perform HDR blending Merging multiple exposures to create an image with a High-Dynamic-Range. The former is useful feature to producing a high volume of panoramas such as for Time-Lapse photography Continuous capture of images usually presented as a video sequence. Differences between the Pro and standard versions mostly fall into the Batch-Processing or HDR & Exposure-Fusion category. There are no limits on image size and the 16-bit workflow is supported by both versions. There are two versions of PTGui, the standard one and the Pro version reviewed here. It supports the usual 8-bit workflow, plus a 16-bit workflow for improved image quality. It also provides automatic compensation for image tilt, vignetting and exposure inconsistencies, making it quite resilient to input issues. PTGui is capable of stitching multi-row panoramas up to 360° x 180° field-of-view with virtually no limit on resolution and can produce gigapixel panoramas. Originally developed as a GUI over the powerful-but-cryptic command-line Panorama Tools, it has evolved into a full-fledge applications for Windows and Mac OS X. PTGui is an advanced panorama software with a high level of control over each step of the stitching process.
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