Difference between revisions of "PTStitcher"
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Revision as of 09:50, 16 December 2005
For stitching panoramas you most probably won't get in contact with PTStitcher frequently, since the scripting is more or less completely done by the various GUI front-ends and some tools like PanoCube.
However, there are several occasions where you might need to write or at least understand the scripts or call PTStitcher directly (for some batch tasks f.e.).
The PTStitcher source code was never published, hence there are no changes possible to certain functions. But since a considerable part of it's functionality is in pano12 library, PTStitcher benefits from every update of this core library.
PTStitcher is script driven. The scripts are in pure text format and can be edited with any text or programming editor (on windows notepad will do).
They are processed on a line by line basis. Each line starts with a special character (case sensitive) that indicates the meaning of the rest of the line. All other first in line characters are ignored and considered comments.
Most features of PTStitcher are conveniently accessible by the usual GUIs (see top), but some are not.
Accessible by GUI
PTStitcher can stitch
- spherical (equirectangular), cylindrical, rectilinear and fisheyed (or mirror ball) panoramas
- multi row panoramas
- panoramas from images that where shot tilted up or down.
- images from any lens (including spherical mirrors)
- images with different Focal Length into one panorama
- flat images like scanned maps.
The capabilities of PTStitcher go far beyond panorama stitching: It can be used
- to remap images between different Projections
- to extract and insert rectilinear images from a spherical or cylindrical panorama.
- to remap a spherical panorama such that Nadir and Zenith are editable.
- to down- or upsample images with high quality interpolators.
- to correct perspective distortion.
Acessible by Script or other Tool
PTStitcher can be used stand alone or with some other (non-GUI) Tool:
- together with some tool that separete color channels (ImageMagick) to correct Chromatic aberration
- assembling 6 cube faces to an equirectangular panorama can be done by GUI but is more convenient done by script, file or PanoCube Plus.
Information on how to create and use PTStitcher scripts can be found on the web and on the wiki:
- The original PTStitcher Readme file contains basic information.
- The updated original example script with lots of comments is found at Jim Watter's page
- Ben Kreunen has an excellent list about the parameters of the p- o- and m-line and some example scripts.
- Frequently asked questions about PTStitcher including solutions to common problems are found at the inofficial Panorama Tools FAQ.
- On the wiki there are some techniques described that use PTStitcher:
Calling from the command line
PTStitcher can be called from the command line (this is what all GUIs do, too). More Information in the PTStitcher Readme
Erik Krause 12:35, 29 Apr 2005 (EDT)