#Free panorama stitcher software

The same technique can also be used in reverse to correct for lens distortion. In the previous example the image was corrected to maintain parallel lines in rendering the final output.

#Free panorama stitcher software

Speaking of control lines, the software can also be used to generate lens correction parameters as well. The view on the right is possible without modification using a view camera, but can be approximated using a few extra control lines in the panorama software. This produces an вЂњarchitectural viewвЂќ (really axonometric, or really really planometric). From the same panorama, the right image was generated, but in this case the vertical lines of the image were identified in the software. On the left is the rectilinear projection after correcting for lens distortions. The image above is stitched from 3 images. This allows all of the parallel lines to remain parallel in an image: View cameras have the option of shifting the lens up vertically to include the top of a building without having to tilt the film plane. Doing so will lead to converging parallel lines.

Shooting a building from ground level for instance will often require the photographer to pan the view up in order to include the top of the building. This comes in particularly handy for shooting architectural subjects where you want to maintain parallel lines in the image. One of the really great capabilities of having the lens plane adjustable relative to the film plane is that the image can be shifted while maintaining orthogonality with the subject. This effect is produced in view cameras by modifying the front plane with the lens relative to the film plane on the back plate.