Before PTGui 12, HDR stitching in PTGui was based around "blend planes"—at each exposure value, a complete panorama was stitched and blended, and finally the blend planes were merged to an HDR panorama or combined using exposure fusion. This required consistent exposure for each blend plane, meaning the panorama had to be taken in manual exposure mode.

The Ultimate Guide to PTGui Pro 12: The Industry Standard for Panorama Stitching

Perhaps most impressively, PTGui Pro 12 no longer distinguished between HDR and non-HDR panoramas—every panorama became HDR. The stitching pipeline used floating point data internally, and any panorama, bracketed or not, could be rendered to HDR formats such as OpenEXR.

PTGui Pro 12: The Ultimate Panoramic Stitching Software (2026 Review)

A simple but incredibly useful new feature that automatically fills any transparent areas left in your panorama with a smooth color gradient that matches the surroundings.

Exclusive to the Pro version. Standard cannot merge bracketed exposures.

: Preview your stitch and use the "Center Panorama" or "Straighten" tools to fix the horizon.

Run the (press F5) to recalculate the positions based on your new points.

: The HDR pipeline has been streamlined, allowing users to process RAW files directly and output in wide color spaces like AcesCG for VFX workflows. Pro vs. Standard: Why Upgrade?

Originally developed as a Graphical User Interface for Helmut Dersch's Panorama Tools (hence PTGui), the software has evolved into a powerhouse standalone application. Version 12 introduces massive performance upgrades, rewritten stitching engines, and advanced color correction tools that solidify its place at the top of the market. Key Features of PTGui Pro 12