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Readme Sources

This file discribes how to build the library libpano13.so
for the Linux operating system. This library is required
for running any of the Panorama Tools applications (PTStitcher, etc). 

Legal Issues:

This software is distributed under GNU-license, see the
file COPYING for details. Some parts of the software
are derived from other sources, which are distributed under
different copyrights. These are:
(1) The JPEG-library distributed by the Independent JPEG group.
This package contains a precompiled binary of the JPEG
library and the header files required for compilation
in the folder Sources/libs/. The legal terms for using the
JPEG library can be found in the file /copyright/README_JPEG.
(2) The PNG-library written by G.E.Schalnat et al.
This package contains a precompiled binary of the PNG
library and the header files required for compilation
in the folder Sources/libs/. The legal terms for using the
PNG library can be found in the file Sources/libs/png.h
(3) The TIFF-library by Sam Leffler/ Silicon Graphics Inc.
This package contains a precompiled binary of the TIFF
library and the header files required for compilation
in the folder Sources/libs/. The legal terms for using the
TIFF library can be found in the file /copyright/README_TIFF.
(4) The ZLIB-library by Jean-loup Gailly and Mark Adler.
This package contains a precompiled binary of the ZLIB
library and the header files required for compilation
in the folder Sources/libs/. The legal terms for using the
ZLIB library can be found in the file zlib.h.
(5) The public domain Levenberg-Marquardt solver 
of the Argonne National Laboratories MINPACK mathematical library,
C translation by Steve Moshier (file lmdif.c).
(6) Fast fourier transformation, code by:
RC Singleton, Stanford Research Institute, Sept. 1968
Copyright MJ Olesen, Queen's University at Kingston, 1995-97.
See the file fftn.c for details.


BUILD INSTRUCTIONS

You need the gcc compiler, libgcj and various imaging libraries: libtiff,
libjpeg and libpng.  Headers for these libraries are required, so you probably
have to install libXXX-dev or libXXX-devel packages too.

(Sun java is NOT required if you have libgcj)

Compilation is straightforward:

./configure
make
make install

If you have downloaded from CVS, you will need to bootstrap the build system
first:

./bootstrap

This distribution of the sources limits processing
of fisheye images to fields of view smaller than
179 degrees. This limit is controlled by the constant
MAX_FISHEYE_FOV in the file filter.h. There
is some controversy regarding the legality of processing
hemispherical images (ie images having 180 degree field
of view) in connection with virtual reality panoramas.
If your application of fisheye lenses is not prohibited
by patents, you can build and use your own unlimited version 
of the library by changing the soure code.