added landing strip extractor
authorDobrica Pavlinusic <dpavlin@rot13.org>
Wed, 19 May 2010 21:40:28 +0000 (23:40 +0200)
committerDobrica Pavlinusic <dpavlin@rot13.org>
Wed, 19 May 2010 21:40:28 +0000 (23:40 +0200)
commitbfda40d03115b1be3cba579665db3b7e41e7513a
tree03835c76717c3b0aa9d2437cbe190ebcd0a82eb9
parent46851d0baf6e8a3bb8f6f7580c062590d3c5d35a
added landing strip extractor

basically, it's a mask, with drop-point in black, 000, and than
one by one lading points 00f, 0f0, 0ff, f00, f0f, ff0 while fff is
reserved for background. 808080 is used to mask lading strip size
if needed.
trace-path.pl