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Panoramic photography with free software and cheap hardware

Step 5Optimize!

Optimize!
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  • hugin-preview.png
  • hugin-opt.png
After you've added control points to all your images, the next step is to run PToptimizer to piece your panorama together. It uses the control points you created in the last step to reconstruct the conditions each picture was taken at, including the camera orientation and lens distortion. With this information, the stitcher can remap the source images into a single panorama using any of the supported projections.

Switch to the Optimizer tab of hugin. Click the "Optimize now!" button to run the default optimization mode. This will attempt to find the best position (pitch, roll, and yaw angles) for each image so that all control points line up.

After optimizing your panorama, open the preview window to get an idea of what the result will look like. Look for any places where two images don't seem to match correctly and go back to the control point editor and add or change some points on the affected images. Optimize again and update the preview. Repeat until everything looks as good as you can get it.

If one or more images appear tilted, try to find objects you can use as horizontal and vertical guides and add control points on them. Optimize, update preview.

If your panorama looks good after position optimization, switch to "Positions, view and barrel" mode and optimize again. PToptimizer will try to correct for some of the distortions caused by your camera's lens.

Now it's time to stitch the full resolution output of your panorama (and find more errors that the preview didn't show, edit more control points, optimize again...)
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