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 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. It also provides automatic compensation for image tilt, vignetting and exposure inconsistencies, making it quite resilient to input issues. It supports the usual 8-bit workflow, plus a 16-bit workflow for improved image quality. There are two versions of PTGui, the standard one and the Pro version reviewed here. There are no limits on image size and the 16-bit workflow is supported by both versions. Differences between the Pro and standard versions mostly fall into the Batch-Processing or HDR & Exposure-Fusion category. 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. The latter allows PTGui Pro to automatically detect and perform HDR blending Merging multiple exposures to create an image with a High-Dynamic-Range. 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. PTGui starts up directly with two windows open. The main window appears with a single tab labeled Project Assistant which provides a fully automatic workflow.
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One can jump directly to a manual workflow by clicking the aptly-named Advanced button.
The Automatic workflow involves three phases: Regardless of which initial workflow is chosen, PTGui offers complete control over the whole process.
Align Images: Position images relative to each other and stretch them to define the seams.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.This lets the user tweak any parameter and, to some extent, get a better understanding of how the process works.
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